Cheap flights from London to Bangkok

Destination name

Bangkok 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 London to Bangkok.

What airlines fly indirectly?

  • Emirates
  • Qatar Airways
  • Singapore Airlines

These airlines fly from London to Bangkok, but you’ll have at least one layover.

How long is the flight?

11 hours 30 minutes

This is the shortest flight time from London to Bangkok.

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

Tips and advice from our flight experts

You've searched for flights from London to Bangkok. We've found 150 flights and compared them to give you the best offer. AirAsia is, on average, the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route London to Bangkok on 28/04/2026 at 07:45 for £64.

We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 20 airlines that operate the 9,600 km flight from London to Bangkok.

To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. AirAsia is a popular and affordable choice 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 book everything at once, saving you time and money.