฿12,540 Cheap Flights from London (LHR) to Bangkok (BKK)

View ฿12,540 flight on Thu, 14 May 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 ฿12,540 for one-way flights and ฿17,045 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hainan Airlines
Wed, 14 Jan - Tue, 27 Jan
LHR
London
BKK
Bangkok
฿17,045 Return, found 13 hours ago
฿17,045
Return
found 13 hours ago
Select Hainan Airlines flight, departing Wed, 14 Jan from London to Bangkok, returning Tue, 27 Jan, priced at ฿17,045 found 13 hours ago
China Eastern Airlines
Thu, 29 Jan - Sat, 7 Feb
LHR
London
BKK
Bangkok
฿17,440 Return, found 1 hour ago
฿17,440
Return
found 1 hour ago
Select China Eastern Airlines flight, departing Thu, 29 Jan from London to Bangkok, returning Sat, 7 Feb, priced at ฿17,440 found 1 hour ago
China Southern Airlines
Sun, 1 Feb - Sun, 1 Mar
LHR
London
BKK
Bangkok
฿19,460 Return, found 1 day ago
฿19,460
Return
found 1 day ago
Select China Southern Airlines flight, departing Sun, 1 Feb from London to Bangkok, returning Sun, 1 Mar, priced at ฿19,460 found 1 day ago
Etihad Airways
Thu, 29 Jan - Wed, 11 Feb
LHR
London
BKK
Bangkok
฿19,875 Return, found 4 days ago
฿19,875
Return
found 4 days ago
Select Etihad Airways flight, departing Thu, 29 Jan from London to Bangkok, returning Wed, 11 Feb, priced at ฿19,875 found 4 days ago
Air India
Thu, 12 Mar - Sat, 28 Mar
LHR
London
BKK
Bangkok
฿20,550 Return, found 2 days ago
฿20,550
Return
found 2 days ago
Select Air India flight, departing Thu, 12 Mar from London to Bangkok, returning Sat, 28 Mar, priced at ฿20,550 found 2 days ago
Air China
Tue, 27 Jan - Wed, 11 Mar
LHR
London
BKK
Bangkok
฿21,725 Return, just found
฿21,725
Return
just found
Select Air China flight, departing Tue, 27 Jan from London to Bangkok, returning Wed, 11 Mar, priced at ฿21,725 just found
IndiGo
Wed, 4 Mar - Thu, 19 Mar
LHR
London
BKK
Bangkok
฿21,806 Return, found 1 day ago
฿21,806
Return
found 1 day ago
Select IndiGo flight, departing Wed, 4 Mar from London to Bangkok, returning Thu, 19 Mar, priced at ฿21,806 found 1 day ago
Shenzhen Airlines
Fri, 23 Jan - Thu, 5 Feb
LHR
London
BKK
Bangkok
฿23,065 Return, just found
฿23,065
Return
just found
Select Shenzhen Airlines flight, departing Fri, 23 Jan from London to Bangkok, returning Thu, 5 Feb, priced at ฿23,065 just found
ITA Airways
Sat, 2 May - Mon, 15 Jun
LHR
London
BKK
Bangkok
฿23,155 Return, found 1 day ago
฿23,155
Return
found 1 day ago
Select ITA Airways flight, departing Sat, 2 May from London to Bangkok, returning Mon, 15 Jun, priced at ฿23,155 found 1 day ago
British Airways
Sun, 15 Mar - Tue, 31 Mar
LHR
London
BKK
Bangkok
฿23,960 Return, found 2 days ago
฿23,960
Return
found 2 days ago
Select British Airways flight, departing Sun, 15 Mar from London to Bangkok, returning Tue, 31 Mar, priced at ฿23,960 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 ฿15,913 - ฿22,957 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 ฿25,540
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city centre23 min
Flights from ฿25,540
Flight from London to Bangkok route information
Origin airport
Heathrow
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air France, Air India, Asiana Airlines, Austrian Airlines, British Airways, Cathay Pacific, EVA Airways, Etihad Airways, Finnair, IndiGo, Japan Airlines, KLM, Kuwait Airways, Lufthansa, Malaysia Airlines, Qatar Airways, SriLankan Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Return price
฿17,045
Distance
9520 km
Average flight time
18 hours 30 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 , 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 ฿12,540 and roundtrip prices from ฿17,045. 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.

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 ฿17,045. 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.
*Available to Expedia members.