Originally Posted by
Steve in Olympia
On Oct. 12/13, five of us separately transited Heathrow from the continent, spent the night at a hotel in downtown London, and continued our journey to the US the next day without booking a 2nd-day Covid test. It can be done.
You were lucky. Border Force might be OK but as a whole it’s airlines that check a day 2 test is booked and on the PLF and you could be denied boarding.