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LHR Transfer T3 to T5...(rant alert)

So I'll be passing through LHR next week, god help me. Warning - rant ahead.

I've been through LHR a few times before, but it has been years since I did. Now, as I prepare to fly to Scotland next week, I'm reviewing multiple threads from others who are figuring out how to transit LHR, (as well as other forums, websites, etc.) and looking over what I'll need to do - something that I had figured would be easy enough and wouldn't require me investing any time figuring out the hoops to jump through. And I am immediately reminded why I had promised myself to avoid this airport whenever possible. In this case it's necessary (and I'm not changing plans now), so here I go. We will manage (we have many hours to kill there) but I am once again gobsmacked at what a mess the place appears to be (and how badly written instructions are for what are intended to be helpful guides assisting confused passengers).

First, do I have our ETAs done - we are headed for Scotland so yes we need them anyway (beyond navigating between LHR terminals), and now have them (done online last night, and accomplished quickly and easily on my third attempt, once I figured out I needed to disregard most of the stunningly poorly-written instructions and just proceed logically - that's a whole other rant, I'll spare you that).

I am arriving to the UK on an international flight, and (self) connecting to an onward domestic (intra-UK) flight, and will be on two separate tickets, so I fall into what the airport and helpful folks probably would call an "edge case" (outside the expected norm). So what I see is a string of confusing hassles as I make the journey between two terminals. It's probably not much of a challenge for those who routinely do this, but seems breathtakingly complicated to someone who has been avoiding the place for a decade.

We arrive at T3 (American Airlines). Our onward flight departs from T5 (British Airways). We will have checked bags. Two separate tickets. (We have valid reasons for all of that, no lectures please.) I did know that we would need some time for this - we have plenty.

So we will have to formally enter the UK and go through all the ceremonies required to do that, will be exiting secure areas, making our way to another terminal, where we will need to go through security, check bags, run the shopping gauntlet, etc.

Fortunately we have over 7 hours to kill, so I am pretty confident we will be able to make it (but I expect it could consume a shockingly high portion of that time).

This website (link helpfully provided by Frank II in another thread) - Heathrow Connecting Flights - looks initially promising, but bzzzzzt! (buzzer sound) - nope, not for me, because of the text (next to a little checkbox) obliquely hints that it won't be so easy:

By clicking this, I am aware that the connecting flights are arranged upon flight booking, for self-connecting flight, please follow arrival and departure procedure, see Travel Between terminals.

That bit there sounds so polite: "the connecting flights are arranged upon flight booking" but seems an incredibly poor choice of words. Of course your flights are "arranged" when you book them (they may be a hot mess, but you have certainly "arranged" them, or you're not going anywhere). A loaded term there, "arranged." That completely misses the point! That text really should say "ALL BETS ARE OFF" or perhaps "Abandon hope all ye who enter here". OK, fine, whatever.

Ah, the old language conundrum: when is a "connection" not really a connection? What exactly is a connection versus a transfer versus...something else that we do sometimes but there is no word for that? Pedantic, for sure, but sometimes words matter.

(rant continues below...)

Posted by
7154 posts

(rant continues from above)

"Travelling Between Terminals" in the innocent-looking text above is a link. So I follow it. It brings me to the Terminal Transfer Guide page where I can enter “To” and “From” values - in my case T3 and T5.

I click the “Find Transfer Options” button, and lo and behold, I am presented with a single, data-dense web page with lots of small print, timetables for Underground and Train lines (note: the Underground is a train, too, OK whatever...), and a diagram that at first look appears to be created by Rube Goldberg, all cheerfully labeled, "Free Travel."

Free Travel?! Who wouldn't like to travel for free? I LOVE that, sounds great - count me in!!!

Then I start reading the details. I’m trying to get from T3 to T5. Wait - it appears there’s not just one, but two boxes labeled as T3…are there two T3s? What’s the difference? Oh, the tiny print says there’s T3 Arrivals and T3 Departures. Are there really two separate T3 terminals, one for arriving planes and and another for departing planes? In the diagram, they appear to be two different facilities (rectangles shown at two different orientations), but they seem equally connected (and equally NOT connected) to everything else. T2, T4 and T5 only are depicted with a single rectangle, but T3 is shown “split” with a road or other connecting thingamajig running between (but not connecting) them. The only difference I can see is in 2-point type, a under running-man icon one says “3 mins” and the other says “2 mins” to connect to…well, some unknown point where you apparently need to add together the accumulating running-man time to get to other things, perhaps T2, a bus station, what appears to maybe be an “Underground” (aka subway) station which looks slow and dark compared to another icon representing a sleek and fast “train” station. There must be something very special about the twin T3 terminals. OK, whatever.

I start reading the text. FREE TRAVEL! it promises, but not to Zanzibar or Bali. They seem to be promising that you can take trains or other trains or buses and maybe walk around the airport but will not need to pay for that privilege - well, I guess it’s my lucky day, they’re not going to demand payment to move between terminals, how very generous of the airport overlords who have created this, um, system. Oh, but there’s an asterisk - the lawyers made them throw a disclaimer on the very first word printed after the headline - the word “Free”. Uh-oh…

It starts off: “Free* travel is available between any of the stations and bus stops shown on this diagram.” (so let go of your dreams of that free trip to Bali or Zanzibar - or even Terminal 1, wherever that is - it’s not on the map, so prepare to deal with the money changers if you’re headed there). But they throw an asterisk on the very first word: Free*

(rant continues below...)

Posted by
7154 posts

(rant continues from above)

“Oyster or contactless is required to activate ticket gates at stations.”

Now, I am a native English speaker (well, American English). And I have a vague, general recollection of what an “Oyster card” is from a visit to London 10 years ago, so I kind of understand what they’re trying to slip past the unattentive: It’s only “free” if you meet certain conditions. Better have done some preparation and be willing to do some odd-sounding things if you want to go between terminals. Is the word “usability” not understood or used in British English these days?

No doubt many an innocent traveler has shown up without an “Oyster” or a “contactless” and who knows what has happened to them. I can only imagine foreigners struggling with English among other complexities: “Ramesh my dear, we can not ride because we have no clams, and you wear spectacles…what kind of a country is this that penalizes people who do not walk around with shellfish in their pockets? We wear eyeglasses so we must pay extra while all these people with plastic eye lenses and smelly seafood go for free!? This is madness!! I guess we must take a taxi to Terminal 5 for our connecting flight.”

OK, somebody needs to take a remedial class in Usability 101, but lets move on.

I have 7 hours to get from one of the Terminal 3s to Terminal 5. Dragging luggage, I can probably walk that distance if I’m allowed, but with no fresh seafood handy, I might have to change money on the way, and my wife would divorce me for just suggesting it.

I’m only going to be in London for 7 hours, and I’m not leaving the airport. I really have no interest in setting up an account and getting a plastic card for the city’s public transit system, whatever cute name they may give it. I’m just moving between airport terminals, fercryinoutloud. Contactless? I have plenty of credit cards I can wave but generally try to avoid waving them around in places like gigantic foreign airports filled with hackers, thieves and Russian oligarchs. But with no bivalves handy, I guess if I want to go between terminals and stay married, I need to what - just tap a credit card when a machine demands I do? Hmmm. Do I actually need to buy tickets just so I can ride the trains to get between airport terminals - really? I mean, everyone knows that America has pretty much gone completely crazy, but in the UK you may need to buy a free ticket just to get around the airport? Happy 4th of July, all, it's a good thing we bailed back in 1776.

I have 7 hours to accomplish this. I’m hoping I can just follow everyone else, have a credit card ready to get through this, and put LHR firmly behind me for another 10 years. Good thing my flight home goes through Norway, Germany and Canada, that's simple enough, at least I won’t have to transit between terminals at Heathrow.

Sheesh.

(End of rant. I gotta go pack my bags.)

Posted by
9844 posts

But you don't need anything at all for Free Travel between the terminals if you use the Elizabeth Line or the Heathrow Express, not the tube.
On the first two (which share the same stations) you just collect a free blue transfer ticket from the blue machines. Crystal clear signeage.
The ticket even has a route map on the back of it to tell you where you can go.
No card, oyster or anything else needed. I know that is on the website, I read it again this afternoon!
Landside buses USED to be in the FTZ, they aren't now except the night time only H30, which runs solely between 1am and 5am when there are no trains.

Terminal 1 is not now in passenger use, only for training and storage.

I don't believe you can physically walk between Terminals 3 and 5 without a massive diversion on external public roads.

Posted by
1625 posts

First, I do sympathize. An advanced degree shouldn't be necessary to understand how to negotiate an airport. The verbiage posted certainly discourages advance planning.

I had a LHR terminal change a couple months ago. There was some sort of "get your free transit ticket here" sign and machine dispensing tickets for the transfer. Officials close by, so I clarified. Yes, just get your free ticket and proceed as one would with a paid ticket.

I wonder if you will encounter this; it might make your final contactless or Oyster requirement rant easier??? I don't remember now where this was, but I think Terminal 5 changing to Terminal 2. I hadn't done any advance prep - I just thought I'd follow signs. I'm sure I would have been concerned about the process if I had read what you posted!

Perhaps one of the many frequent LHR travelers can clarify and explain what one encounters these days.

edit - Stuart beat me to the "free transfer ticket" explanation.

Posted by
6783 posts

When we used the Tube to get between terminals a couple of years ago, we did use our contactless cards, but there was no charge. If there were blue transfer tickets, we didn't see them.

Posted by
9395 posts

Deep Breath. Breathe in, Breathe out. You will do fine!
One thing that isn't apparent from some of the directions you will find is the large number of extremely helpful people assigned to help visitors at Heathrow. You will find them at nearly every spot where you might end up with a transportation question or needing further directions. They usually wear the reflective vests.

They can help you navigate between terminals, explain how to get the free ticket for the tube out of the machine, and generally make your transfer work smoother than it might appear on paper.

A new airport can be a little unsettling no matter where you are, but Heathrow does have a large number of people out to help and excellent signage.

Posted by
5387 posts

I think I am just a dummy. I encounter this all the time - I simply can’t understand the written instructions for what ends up being not a problem. So I have really almost quit reading. I show up, follow overhead signs, and ask for help if needed. (Unless it is finding the entrance to the only airport hotel at Haneda - then all bets are off and it might or might not take me 25 minutes despite looking for signs and frequently re-reading online instructions).

Posted by
17529 posts

David, I did the transfer from T3 to T5 last month. But since yours is on separate tickets, let me give you the easy way.

When you arrive at T3, you will need to go though immigration. You would have had to go through immigration even if this was on one ticket.(But a different immigration area.)

Since I believe you are a US passport holder, you can use the egates which is much faster than having to wait to talk to a Border Force officer.

Once past the egates, you take the escalator down to baggage claim. Pick up your bags and head through customs.

Once outside customs, look for signs to Trains, Bus Station and Terminal 2. The ramp down will take you to the underground walkway. You will soon come to the entrance of the Heathrow Express/Elizabeth Line. (This is before the entrance to the tube). Pick up your free pass to ride either. (There are people around who can help you.)

When you arrive at T5, it's like checking in for any airline. Drop off your checked bags, go through security and then you are in the main part of terminal 5. There are two satellite terminals for T5 but most intra-UK flights depart from the main terminal.

There is no way to walk between T3 and T5. They are also fairly far apart.

I'm going with the idea that you have checked bags since you mentioned it above.

If you don't have checked bags, and you can get your boarding pass for the second flight prior to arriving at Heathrow, you can use Flight Connections. If that is the case, let us know and we can give you step by step instructions.

It's really not that difficult.

Posted by
7154 posts

To all those offering reassurances and kind, helpful advice, thank you. I'm not freaked out, and I'm OK.

In all honesty, I am 1000% sure we will be fine. I can usually figure out most tasks that the average person finds complex. I like puzzles and often enjoy a challenge. I have SEVEN HOURS, a wallet-full of credit cards, the ability to read and understand English and a few other languages even without resorting to technical solutions, so I think we will be OK. It's nice to know there are helpful people nearby and it's not nearly as complicated as a quick glance at the official websites might suggest.

My rant is more about how spectacularly bad those official websites make it appear to be ( myself having spent many years creating software and website and process documentation, for things a hell of a lot more complex than simply directing people from one building to another). It literally hurts to see what must be fairly simple tasks presented in ways that are so poorly communicated that it makes millions of people avoid this airport entirely - that is some really epic bad mojo if millions of people avoid your entire country because your website is so awful!)

Hint to the LHR digital media team: STOP referring to public transit passes as "an oyster" in official, public-facing documentation seen by millions. Everybody you see everyday may know exactly what you mean (and yes, I know it's your branding, and it's so cute), but someone who just stepped off a flight from Pago Pago has no idea WTF you are talking about and it sounds like something out of an LSD trip, not airport directions - that person just needs to make their flight. There are a hundred other examples of Basic Communication Failures blaring on those pages.

I mean, millions of people change terminals there every day, so how hard could it possibly be? I think I'll be able to figure it out. But lordy.... OK, I do feel better now having vented, thank you.

edited to add: Thanks, Frank II (and others), for the tips. Yes, USA passport, checked bags. Won't have (can't get) boarding passes for the onward flights until we are on the ground at LHR (I believe we will already be in transit when online check-in opens), but that shouldn't cause troubles. Most of your tips above sounds pretty much as I would expect anywhere. I was mostly kidding about walking between terminals (I've done it at other airports, I realize not a realistic option at this one). I'm not shy about asking for pointers so will look for help if needed, but it seems like it should not be a heavy lift. Thanks.

PS: I'm quite familiar with contactless payments, I use them many times every day. No offense was intended, and if my rant has offended anyone, you have my apologies (except maybe the LHR website team).

Back to packing for me.

Posted by
1522 posts

I am surprised that you don't seem to be aware of what a contactless card is - it is almost ubiquitous here in the UK and you will find yourself using one most of the time you are here, unless you insist on using cash. You can of course use phone or watch pay as well as a form of contactless.

If you really don't like LHR why didn't you book a routing that went via somewhere else? There are plenty of other choices.

Finally, as someone who has transited through many US airports, LHR, whilst not perfect, is at least as good as most of them.

Posted by
1767 posts

This is not a complex technical software problem, it’s simply the age old difficulty of trying to put a physical experience (moving around the airport by foot or train) into written words. You need to be there and to see it and it will all make sense. Reading a lengthy description of it is not very useful.

Posted by
35296 posts

besides being impossible because the terminal access roads and the vehicle tunnel between T2/3 and the outside world are forbidden to walk on (and would be suicidal), walking between T2/3 and T4 or T5 are forbidden, and between T2/3 and T5 it is about 3 and a half miles (13 minutes if the traffic is good) to drive. Long way to schlep luggage.

Nice rant though.

I don't fly, but I'm relatively local and I have cause to visit various terminals of Heathrow fairly often. I actually find it a doddle.

The Elizabeth Line and Heathrow Express are both a step up on the tube (oh, must clarify - the London Underground Piccadilly Line). And getting a free ticket for the 5 minute trip is super easy. Yes, it iis labelled, yes the instructions are in English and pressing the button is actually pressing a virtual button on a screen, sort of like typing on your phone, if your phone is less than maybe 10 years old. You feed it to the gate and take it back and the gate opens. Do the same thing at the other end and enter the other terminal. Maybe for entertainment during your 7 hours you could ride all the possible free combinations, just to experience them.

Have a look at the official map. https://www.heathrow.com/content/dam/heathrow/web/common/documents/transport/Heathrow-free-travel-map.pdf

The dark blue solid lines are the tube connections, the blue edged white lines are the Heathrow Express / Elizabeth Line.

I hope that one or two of that wodge of credit cards is contactless, with the 3 waves symbol, it will make your life way way easier in the UK. I personally haven't paid any cash at all more than 3 or 4 times in the last 5 years. Everything is contactless unless you have a big ticket item, then it is PIN and I haven't used that either more than 2 or 3 times a year. If you use Apple Pay or Google Pay, on phone or watch or Fitbit, you don't even have the upper limit of £100 on contactless.

Connections are normally arranged at the time you buy your plane tickets. With one ticket the airside bus is trivial, no fuss no muss.

You have been different and gone off piste and made your own self connection so you don't qualify for the airside transfer. So you get to enter the UK (and you said you have the necessary ETA) just like you were going into London, in fact since you have all your stuff, you could. Then have the normal check in times and procedures for the separate flight onwards. You've acknowledged the extra risks that "self-connection" brings with it. (off-piste always brings risk - ask any skier)

In fact your going off piste can be very liberating. No pressure to stay airside, no pressure to take bus when a nice modern train will do instead.

I will say, when you look at the interactive map on the Heathrow website (another example of do-we-really-need-3D-and-zooming-way-in)

and finally - yes, Tube trains are actually trains - made of metal, with metal wheels on rails (4 rails in London) and made of a train of linked carriages, and are referred to as tube trains, but it is always seen as different here to main line trains like Heathrow Express and Elizabeth Line, or trains from London to surrounding near and far

Sort of like NYC Subway trains against LIRR or AMTRAK. Or BART against AMTRAK.

Enjoy your stay.

Posted by
5560 posts

... T3 Arrivals and T3 Departures. Are there really two separate T3 terminals, one for arriving planes and and another for departing planes?

Since you asked, yes there are but the distinction is for arriving / departing passengers rather than planes. The departure building originally opened as the Oceanic Terminal in 1961. Expansion of the terminal capacity was achieved by building a new arrivals building in 1970. There is a (fairly narrow) inside landslide connection between them as well as walking between them outside.

Posted by
9765 posts

One thing that isn't apparent from some of the directions you will find is the large number of extremely helpful people assigned to help visitors at Heathrow. Y

David, Carol NR is correct. In 2024, I made my 3rd trip to London but it was my first going through Heathrow. It was confusing, yes, but I had no problem finding people to help and direct me. They're all over the place and are so wonderful.

You also have to keep in mind that they're using words in ways that Americans typically wouldn't, but to them, it's their everyday usage. Britspeak can be difficult for Americans to understand, especially when it's in writing and you don't have a translator, but that is why you stop someone and ask.

In 2024, I was driving outside of Dartmoor National Park and saw a sign that said "Cats Eyes Removed." It freaked me out for a bit until I got back to my hotel and saw that it meant the border lights along the road have been temporarily removed. It's a warning that the road will be darker. Never would have guessed that. :-)

Posted by
801 posts

Oh, Mardee, I would have been creeped out, too!

David, I hope you feel better now that you got that out of your system.

Posted by
1767 posts

Yes and it slightly presumptuous to assume that all airport users will be more familiar with American English than British English. The airport is in Britain and the vast majority of passengers are therefore British residents. Europe does not exist purely as a tourist destination for Americans!

Posted by
5866 posts

I'm on a train (in Denver) heading home after my visit to London. I have tears in my eyes from laughing while reading your rant.

Fortunately, I own 2 bivalves and although I wear spectacles, I often travel contactless.

I don't suppose you've had to buy a Clipper card for a journey on BART in San Francisco. No trip to the barber for hair trimmers required :-)

Posted by
35296 posts

actually, Mardee, cats eyes are the bumps between lanes (so you feel if you are wandering) containing pairs of small white or yellow reflectors which give an excellent view of where the road is going in the pitch black.

When removed additional care is required at night.

I can certainly imagine what thoughts such a sign might create

Posted by
5866 posts

Caution if you do visit SF. You will be informed to:

"Take either the Yellow Northbound (to Antioch) or Red Northbound (to Richmond) line, as both serve downtown San Francisco. "

I'm telling you now that the trains are silver. Not a single train is red. Not one is yellow. Don't bother looking for the colorful cars. They're just silver.

Posted by
9844 posts

Or what about the ORCA card in Seattle, no marine life is affected by their use.

In spite of it being a very boring acronym, the official website has a picture of a very friendly cartoon like Orca.

Posted by
9765 posts

actually, Mardee, cats eyes are the bumps between lanes (so you feel if you are wandering) containing pairs of small white or yellow reflectors which give an excellent view of where the road is going in the pitch black.

Rats, Nigel, that's what I get for trying to describe it from memory, lol! I knew it had to do something with lanes and lights and warnings. I stand corrected—thank you! And thank goodness they were removed—I would have hated to feel like I was driving over cats eyes!

Posted by
35296 posts

the original reflectors were made of round glass and supported in a metal frame - very realistic at night. ... more modern materials now.

Posted by
429 posts

And I recall that a couple of years ago, the dictat came out to stop calling them catseyes, as it upsets children.
And did you know that the inventor failed to patent them, and didn't make a penny from them.

Posted by
701 posts

I've not read any of the comments since David's original rant (and to be honest I skipped some of that!). But this confusion, and some mistakes in the webpage travel advice for an RS tour, led me to actually go there last week and get to the bottom of it. And to be honest the transfer is relatively easy, 90% of the problem is woefully weak/badly worded official info from Heathrow on their website plus some unofficial info adding confusion -and then along came Google AI to really screw things up!

From T3 to T5 on "self connecting" tickets you need to pass through immigraton, baggage collection and customs and formally enter the UK.

Then follow the large bright blue signs to the trains, which are underground through a rather shabby tunnel. Just keep following the bright blue signs. Ignore the Heathrow express ticket touts, just keep walking to the platform entrance. On the wall to left of the access gates (NOT in the alcove further to the left) are some simple machines to obtain the FREE transfer tickets which will open the gates at both ends. No need for Oyster or contactless, just a finger to poke the machine with. This will give you a blue ticket, don't lose it because you need it to get out at T5. You get a ticket each, go through the gates and to the platform for T4/T5 then get on the first T5 train whoever is operating it. Check that it is going to T5 not T4. At T5 use the elevator to the departures level

You will need to checkin in again at T5 and go through security there (any duty free liquids from the first flight will probably need to go into the checked bags), but when you land in Scotland there are no further procedures.

The actual transfer shouldn't take more than 20 minutes. So even if you add an hour to get through T3 you will have plenty of time to become bored rigid with Heathrow! No idea how early you can check your bags in for the second flight, but ask early, there may be an earlier flight they can bump you onto if they take pity on you.