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Heathrow—how early to arrive?

We are planning to arrive at Heathrow 3 hours early for our flight to Vienna with British Airways. Is there any reason why this would not be enough time?
Thanks!

Posted by
73 posts

2 hours is plenty and that is what BA themselves recommend for short haul. 3 hours is fine if you have lounge access and like alcohol but otherwise there is no need to arrive that early.

Posted by
18904 posts

I flew from Heathrow to Vienna two weeks ago. I arived two hours before the flight. I still had enough time for a 45 minute lounge visit.

I didn't have any bags to check and went straight to security after arriving at the terminal.

You will be departing from Terminal 3 and they seem to have their act together at security.

Posted by
1359 posts

I fly from Heathrow regularly and always arrive two hours in advance, regardless of destination, and that is always plenty of time. Destination shouldn't make a difference in how early you have to arrive as everyone goes thru the same security queue etc and there are no passport exit checks.