Cheap flights from Bangkok to London

Destination name

London 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.

What airlines fly indirectly?

  • Emirates
  • Qatar Airways
  • Singapore Airlines

These airlines fly from Bangkok to London, 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.

Destination name

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 route. There are around 35 flights on any given week from the UK to London 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

Tips and advice from our flight experts

You've searched for flights from Bangkok to London. We've found 25 flights and compared them to give you the best offer. Thai Airways is, on average, the cheapest for this route. Look out for them! The cheapest offer we've found is a one-way ticket for the route from Bangkok to London on 06/03/2026 at 17:35 for £37.

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.

To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Flying during the off-peak season can also save you money. AirAsia is a popular and cheap airline for this route, with an average flight duration of 11 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to save time and money!