Cheap Flights from London (LHR) to Bangkok (BKK) from £293

Cheap Flights from London (LHR) to Bangkok (BKK)

Prices were available within the past 7 days and starts at £293 for one-way flights and £373 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Gulf Air
Saudi Arabian Airlines
Swiss International Air Lines
Austrian Airlines
Swiss International Air Lines
Austrian Airlines
Saudi Arabian Airlines
Oman Air
Royal Jordanian
Etihad Airways
Qatar Airways
Swiss International Air Lines
Thai Airways International
Lufthansa
Gulf Air
Lufthansa
Singapore Airlines
KLM
Air France
Finnair
Flight from London to Bangkok route information
Origin AirportHeathrow
Destination AirportSuvarnabhumi Intl.
Airlines ServingAir France, Air India, Austrian Airlines, British Airways, Emirates, Ethiopian Airlines, Etihad Airways, Finnair, Gulf Air, KLM, Lufthansa, Malaysia Airlines, Oman Air, Qatar Airways, Saudi Arabian Airlines, Singapore Airlines, SriLankan Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Flight Price£372
Distance9520 km

Compare flights from London to Bangkok easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Bangkok. Operating between them 3 flights per day, 20 airlines cover the route. And Air Canada, Thai Airways International fly direct, getting you to Suvarnabhumi Intl. in just 23hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Suvarnabhumi Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to Suvarnabhumi Intl. (BKK) 

The easiest way to view the best deals on flights from London to Bangkok today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Suvarnabhumi Intl. start at just £373 and range up to £529.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Bangkok
  • booking your flight during February, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Bangkok flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Suvarnabhumi Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions