€356 Cheap Flights London to Bangkok (LHR-BKK)

View €356 flight on Mon, 2 Feb 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 €356 for one-way flights and €489 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hainan Airlines
Fri, 26 Sep - Sun, 5 Oct
LHR
London
BKK
Bangkok
€489 Return, found 6 days ago
€489
Return
found 6 days ago
Select Hainan Airlines flight, departing Fri, 26 Sep from London to Bangkok, returning Sun, 5 Oct, priced at €489 found 6 days ago
Air China
Tue, 13 Jan - Mon, 26 Jan
LHR
London
BKK
Bangkok
€498 Return, found 6 days ago
€498
Return
found 6 days ago
Select Air China flight, departing Tue, 13 Jan from London to Bangkok, returning Mon, 26 Jan, priced at €498 found 6 days ago
China Southern Airlines
Sat, 8 Nov - Mon, 17 Nov
LHR
London
BKK
Bangkok
€507 Return, found 4 days ago
€507
Return
found 4 days ago
Select China Southern Airlines flight, departing Sat, 8 Nov from London to Bangkok, returning Mon, 17 Nov, priced at €507 found 4 days ago
Swiss International Air Lines
Wed, 27 Aug - Wed, 1 Oct
LHR
London
BKK
Bangkok
€571 Return, found 15 hours ago
€571
Return
found 15 hours ago
Select Swiss International Air Lines flight, departing Wed, 27 Aug from London to Bangkok, returning Wed, 1 Oct, priced at €571 found 15 hours ago
Saudia
Wed, 24 Sep - Tue, 30 Sep
LHR
London
BKK
Bangkok
€601 Return, found 12 hours ago
€601
Return
found 12 hours ago
Select Saudia flight, departing Wed, 24 Sep from London to Bangkok, returning Tue, 30 Sep, priced at €601 found 12 hours ago
Etihad Airways
Wed, 15 Oct - Wed, 29 Oct
LHR
London
BKK
Bangkok
€613 Return, found 3 hours ago
€613
Return
found 3 hours ago
Select Etihad Airways flight, departing Wed, 15 Oct from London to Bangkok, returning Wed, 29 Oct, priced at €613 found 3 hours ago
KLM
Wed, 27 Aug - Wed, 1 Oct
LHR
London
BKK
Bangkok
€640 Return, found 15 hours ago
€640
Return
found 15 hours ago
Select KLM flight, departing Wed, 27 Aug from London to Bangkok, returning Wed, 1 Oct, priced at €640 found 15 hours ago
Lufthansa
Sun, 18 Jan - Sun, 25 Jan
LHR
London
BKK
Bangkok
€641 Return, just found
€641
Return
just found
Select Lufthansa flight, departing Sun, 18 Jan from London to Bangkok, returning Sun, 25 Jan, priced at €641 just found
British Airways
Mon, 29 Sep - Mon, 6 Oct
LHR
London
BKK
Bangkok
€644 Return, found 12 hours ago
€644
Return
found 12 hours ago
Select British Airways flight, departing Mon, 29 Sep from London to Bangkok, returning Mon, 6 Oct, priced at €644 found 12 hours ago
Gulf Air
Tue, 16 Sep - Mon, 22 Sep
LHR
London
BKK
Bangkok
€646 Return, found 2 days ago
€646
Return
found 2 days ago
Select Gulf Air flight, departing Tue, 16 Sep from London to Bangkok, returning Mon, 22 Sep, priced at €646 found 2 days ago

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

May is typically the cheapest month to fly

From €426 - €669 per traveller.

Graph displaying average flight prices per month

London to Bangkok route information
Origin airport
Heathrow
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air China, Air France, Austrian Airlines, British Airways, Cathay Pacific, China Airlines, EVA Airways, Etihad Airways, Finnair, Gulf Air, KLM, Lufthansa, Malaysia Airlines, Oman Air, Qatar Airways, Saudia, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Vietnam Airlines
Return price
€488
Distance
9520 km
Average flight time
17 hours 40 mins

Perfect flights from London to Bangkok

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Bangkok. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Bangkok, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to Suvarnabhumi Intl. ticket options cater to your travel preferences, with incredible one-way fares from €356 and roundtrip prices from €489. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Suvarnabhumi Intl. and explore Bangkok and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your LHR to BKK travel arrangements today and embark on the journey of a lifetime in Bangkok.

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 €489. 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.

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