Cheap flights from Bangkok to London-Heathrow
Cheap return flights from Bangkok to London-Heathrow
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
London-Heathrow flight facts
What you need to know
What are the cheapest airlines?
- AirAsia
- Thai Airways
- British Airways
These airlines usually offer the cheapest flights from Bangkok to London-Heathrow.
What airlines fly indirectly?
- Emirates
- Qatar Airways
- Etihad Airways
These airlines fly from Bangkok to London-Heathrow, but you’ll have at least one layover.
How long is the flight?
11 hours 30 minutes
This is the shortest flight time from Bangkok to London-Heathrow.
Alternative flights from the UK to London-Heathrow
Check out prices for other routes
Alternative flights from Bangkok
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Bangkok/London-Heathrow route. There are around 35 flights on any given week from the UK to London-Heathrow and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Bangkok to London-Heathrow
Tips and advice from our flight experts
You've searched for flights from Bangkok to London-Heathrow. We've found 25 flights and compared them to give you the best offers. Thai Airways is, on average, the cheapest for this route, so look out for them. The cheapest offer we've found is a one-way ticket for £50 from Bangkok to London-Heathrow on 18/03/2026 at 05:25.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 15 airlines that operate the 9,600 km flight from Bangkok to London-Heathrow.
To find the best offers, book in advance or consider last-minute deals. The low season is typically from November to March. Look out for Thai Airways, which operates this route with an average duration of 11 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near London-Heathrow
Where other people are flying to
