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฿15,855 Cheap Flights from London (LHR) to Bangkok (BKK)

View ฿15,855 flight on Wed, 2 Sept 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Suvarnabhumi International Airport (BKK)

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

Prices were available within the past 7 days and start at ฿15,855 for one-way flights and ฿20,595 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Sat, 28 Nov - Mon, 7 Dec
LHR
London
BKK
Bangkok
฿20,595 Return, found 5 days ago
฿20,595
Return
found 5 days ago
Select China Southern Airlines flight, departing Sat, 28 Nov from London to Bangkok, returning Mon, 7 Dec, priced at ฿20,595 found 5 days ago
Shenzhen Airlines
Fri, 27 Nov - Sat, 26 Dec
LHR
London
BKK
Bangkok
฿20,890 Return, just found
฿20,890
Return
just found
Select Shenzhen Airlines flight, departing Fri, 27 Nov from London to Bangkok, returning Sat, 26 Dec, priced at ฿20,890 just found
Hainan Airlines
Wed, 18 Nov - Tue, 29 Dec
LHR
London
BKK
Bangkok
฿23,240 Return, found 3 days ago
฿23,240
Return
found 3 days ago
Select Hainan Airlines flight, departing Wed, 18 Nov from London to Bangkok, returning Tue, 29 Dec, priced at ฿23,240 found 3 days ago
Royal Jordanian
Wed, 23 Sept - Sun, 22 Nov
LHR
London
BKK
Bangkok
฿25,845 Return, found 2 days ago
฿25,845
Return
found 2 days ago
Select Royal Jordanian flight, departing Wed, 23 Sept from London to Bangkok, returning Sun, 22 Nov, priced at ฿25,845 found 2 days ago
China Eastern Airlines
Sat, 21 Nov - Mon, 28 Dec
LHR
London
BKK
Bangkok
฿26,030 Return, just found
฿26,030
Return
just found
Select China Eastern Airlines flight, departing Sat, 21 Nov from London to Bangkok, returning Mon, 28 Dec, priced at ฿26,030 just found
Gulf Air
Tue, 8 Sept - Wed, 16 Sept
LHR
London
BKK
Bangkok
฿26,035 Return, found 4 hours ago
฿26,035
Return
found 4 hours ago
Select Gulf Air flight, departing Tue, 8 Sept from London to Bangkok, returning Wed, 16 Sept, priced at ฿26,035 found 4 hours ago
IndiGo
Wed, 22 Jul - Fri, 24 Jul
LHR
London
BKK
Bangkok
฿27,151 Return, found 1 hour ago
฿27,151
Return
found 1 hour ago
Select IndiGo flight, departing Wed, 22 Jul from London to Bangkok, returning Fri, 24 Jul, priced at ฿27,151 found 1 hour ago
KLM
Thu, 17 Sept - Wed, 30 Sept
LHR
London
BKK
Bangkok
฿27,540 Return, found 5 days ago
฿27,540
Return
found 5 days ago
Select KLM flight, departing Thu, 17 Sept from London to Bangkok, returning Wed, 30 Sept, priced at ฿27,540 found 5 days ago
ITA Airways
Sun, 6 Sept - Wed, 16 Sept
LHR
London
BKK
Bangkok
฿27,780 Return, found 15 hours ago
฿27,780
Return
found 15 hours ago
Select ITA Airways flight, departing Sun, 6 Sept from London to Bangkok, returning Wed, 16 Sept, priced at ฿27,780 found 15 hours ago
Qatar Airways
Thu, 17 Sept - Wed, 30 Sept
LHR
London
BKK
Bangkok
฿27,865 Return, found 5 days ago
฿27,865
Return
found 5 days ago
Select Qatar Airways flight, departing Thu, 17 Sept from London to Bangkok, returning Wed, 30 Sept, priced at ฿27,865 found 5 days ago

Alternative airports near Bangkok

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

Select flight to Don Mueang Intl. DMK. Closest option available. Average driving time to city centre is 19 minutes. Flights from ฿57,765
DMK
Don Mueang Intl.
Closest
Average driving time to city centre19 min
Flights from ฿57,765

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 ฿20,595. 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, Asiana Airlines, Austrian Airlines, British Airways, Cathay Pacific, EVA Airways, Emirates, Etihad Airways, Finnair, Gulf Air, Korean Air, Lufthansa, Malaysia Airlines, Oman Air, Qatar Airways, Saudia, Singapore Airlines, SriLankan Airlines, Swiss International Air Lines, Thai Airways International
Return price
฿20,595
Distance
9520 km
Average flight time
17 hours 40 mins

Book with confidence

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 , 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 ฿15,855 and roundtrip prices from ฿20,595. 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 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 to travel arrangements today and embark on the journey of a lifetime in Bangkok.
Perfect flights from London to Bangkok