Average price (all airlines)
Cheapflights currently has 7 BKK-LHR flights for under ฿1,200. Flights to London Heathrow Airport will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.
The average rating from 15 Finnair reviews by Cheapflights users is 8.5 (out of a maximum rating of 10). If you are considering flying BKK-LHR with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to London Heathrow Airport with Finnair.