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Heathrow Connecting Flights at Terminal 5 (separate tickets both on British Airways)

We are traveling from ORD to Heathrow Terminal 5 on British Airways late September, with a connecting flight to Glasgow. They are separate tickets. We have 2 hours and 45 minutes between flights. Just carryon luggage. I know we go thru immigration there, but do we go thru security again or can we just go to our connecting gate after customs? Both flights are in a Terminal 5.

Posted by
4636 posts

You always go through security transferring at a UK airport unless you have come from another UK airport as the CAA does not take on trust the passenger screening capability of any other country.

You can however pass through the immigration area reserved for transfers to flights within the Common Travel Area.

Posted by
3 posts

So if I only have a carryon suitcase I won’t have to go thru security again. Even if I have separate tickets London on my phone?

Posted by
4773 posts

No, you weren’t reading carefully. You will go through security again no matter what.

When you get off your plane, there will be clear signage (purple) that say flight connections. You will follow it to the flight connections center. There are two lines there. The first, for U.K. and Ireland connections is the one you will join. There is also a line next to it for international connections. Your passport will be stamped, you will scan your boarding pass and have a biometric reading done, then get into the security line and go through security again. After security you are in the terminal area airside.

A couple of cautions. Have your liquid bag and tablets/ computer ready to pull out of your bag. Make sure you don’t have any drinks that you picked up on your first flight with you. I’ve never had Heathrow security take longer than 10 minutes except for the time I forgot I had put water in my water bottle during the previous flight......

Posted by
20810 posts

UK security does not allow you to have a separate bag of liquid/cream medications. Everything must fit in the 1-quart toiletries bag.