S$464 Cheap Flights from London to Bangkok

View S$464 flight on Wed, 28 Jan, 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Suvarnabhumi Intl. Airport (BKK)

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Cheap Flights from London to Bangkok (LHR-BKK)

Prices were available within the past 7 days and start at S$464 for one-way flights and S$716 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Tue, 3 Feb - Tue, 10 Feb
LHR
London
BKK
Bangkok
S$716 Return, found 5 days ago
S$716
Return
found 5 days ago
Select China Eastern Airlines flight, departing Tue, 3 Feb from London to Bangkok, returning Tue, 10 Feb, priced at S$716 found 5 days ago
China Southern Airlines
Thu, 29 Jan - Mon, 2 Feb
LHR
London
BKK
Bangkok
S$801 Return, found 1 day ago
S$801
Return
found 1 day ago
Select China Southern Airlines flight, departing Thu, 29 Jan from London to Bangkok, returning Mon, 2 Feb, priced at S$801 found 1 day ago
IndiGo
Fri, 20 Feb - Sat, 7 Mar
LHR
London
BKK
Bangkok
S$892 Return, found 1 day ago
S$892
Return
found 1 day ago
Select IndiGo flight, departing Fri, 20 Feb from London to Bangkok, returning Sat, 7 Mar, priced at S$892 found 1 day ago
Air China
Sun, 8 Mar - Mon, 23 Mar
LHR
London
BKK
Bangkok
S$892 Return, found 2 days ago
S$892
Return
found 2 days ago
Select Air China flight, departing Sun, 8 Mar from London to Bangkok, returning Mon, 23 Mar, priced at S$892 found 2 days ago
Air India
Wed, 8 Apr - Tue, 21 Apr
LHR
London
BKK
Bangkok
S$908 Return, found 4 days ago
S$908
Return
found 4 days ago
Select Air India flight, departing Wed, 8 Apr from London to Bangkok, returning Tue, 21 Apr, priced at S$908 found 4 days ago
Etihad Airways
Fri, 6 Mar - Mon, 16 Mar
LHR
London
BKK
Bangkok
S$916 Return, found 2 days ago
S$916
Return
found 2 days ago
Select Etihad Airways flight, departing Fri, 6 Mar from London to Bangkok, returning Mon, 16 Mar, priced at S$916 found 2 days ago
Shenzhen Airlines
Fri, 16 Jan - Thu, 29 Jan
LHR
London
BKK
Bangkok
S$947 Return, found 2 days ago
S$947
Return
found 2 days ago
Select Shenzhen Airlines flight, departing Fri, 16 Jan from London to Bangkok, returning Thu, 29 Jan, priced at S$947 found 2 days ago
British Airways
Mon, 25 May - Tue, 9 Jun
LHR
London
BKK
Bangkok
S$1,006 Return, found 4 days ago
S$1,006
Return
found 4 days ago
Select British Airways flight, departing Mon, 25 May from London to Bangkok, returning Tue, 9 Jun, priced at S$1,006 found 4 days ago
Kuwait Airways
Sun, 26 Apr - Tue, 12 May
LHR
London
BKK
Bangkok
S$1,011 Return, found 4 days ago
S$1,011
Return
found 4 days ago
Select Kuwait Airways flight, departing Sun, 26 Apr from London to Bangkok, returning Tue, 12 May, priced at S$1,011 found 4 days ago
Oman Air
Wed, 25 Feb - Sun, 8 Mar
LHR
London
BKK
Bangkok
S$1,038 Return, found 5 days ago
S$1,038
Return
found 5 days ago
Select Oman Air flight, departing Wed, 25 Feb from London to Bangkok, returning Sun, 8 Mar, priced at S$1,038 found 5 days ago

Find the cheapest month to fly from London (LHR) to Bangkok (BKK)

May is typically the cheapest month to fly

From S$644 - S$929 per traveller.

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Suvarnabhumi Intl. BKK. Cheapest option available. Average driving time to city centre is 23 minutes. Flights from S$829
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city centre23 min
Flights from S$829

Frequently asked questions

How much is a flight from Heathrow Airport to Suvarnabhumi Intl. Airport (BKK)?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Heathrow Airport and Suvarnabhumi Intl. Airport (BKK) start from S$716. Book now to score the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to Suvarnabhumi Airport?
The majority of flights can be cancelled online, but each airline has a different set of terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from LHR to Suvarnabhumi Intl. Airport (BKK) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to BKK flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport (LHR) to Suvarnabhumi Airport?
Hounslow to Bang Phli is around 9,600 kilometres, so be prepared to spend quite a while in the air. Make sure you pack all the essentials, from your earplugs to your eye mask. Throw in a few snacks to nibble on throughout your journey too.
Which airlines fly direct from LHR to Bangkok Airport?
Many people opt to fly with Thai Airways International (TG) from Heathrow Airport to BKK. This top airline offers 60 flights every month, so you can easily find a flight time that's right for you. You could also have a look at the airfares with EVA Air (BR). This carrier operates 30 monthly flights between Hounslow and Bang Phli.
Are LHR to Suvarnabhumi Intl. Airport (BKK) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Heathrow Airport to Suvarnabhumi Intl. Airport (BKK) at the last minute could be your ticket to a fantastic deal. However, you might miss out on a flight altogether! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Travel information

Origin airport
Heathrow
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air France, Air India, Asiana Airlines, British Airways, Cathay Pacific, China Southern Airlines, EVA Airways, Etihad Airways, IndiGo, Japan Airlines, KLM, Kuwait Airways, Lufthansa, Malaysia Airlines, Oman Air, Qatar Airways, Singapore Airlines, SriLankan Airlines, Turkish Airlines, Vietnam Airlines
Return price
S$716
Distance
9520 km
Average flight time
18 hours 30 mins

Book with confidence

Flights from London to Bangkok

There are several airlines that operate frequent flights from London (LHR) to Bangkok (BKK) including

The earliest flight leaves Heathrow Airport at 11:50 and arrives at Suvarnabhumi Intl. Airport at 05:45. The last flight of the day departs London at 21:35 and arrives at Bangkok at 16:00.

The flight distance from London to Bangkok is about 9628 km, the shortest flight is 11 hours 15 minutes with Oman Air."

Expedia lets you search across the largest number of airlines and Bangkok flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your London Bangkok flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your London to Bangkok trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Bangkok flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from London to Bangkok with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Flights from London to Bangkok

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