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$329+ Cheap flights from Suvarnabhumi (BKK) to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheapflights Tip: The best prices from Bangkok Suvarnabhumi to London Heathrow are usually found in March or May, booked 27 days in advance, depart on a Friday or Saturday and return on a Wednesday

Cheap flight deals from Suvarnabhumi to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Suvarnabhumi (BKK) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 14, 2025.

Round-trip from

$702
(Gotogate)

One-way from

$329
(Kiwi.com)

Popular in

April

Cheapest in

March

Average price

$999

Good round-trip deal

$994 or less

Good one-way deal

$532 or less
From Bangkok Suvarnabhumi to London Heathrow
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One-way flight from Bangkok Suvarnabhumi to London Heathrow
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 0% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Bangkok Suvarnabhumi to London Heathrow.
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Price to beat on a one-way flight from Bangkok Suvarnabhumi to London Heathrow.
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Find flight deals from Suvarnabhumi to Heathrow

Cheapest flights from Suvarnabhumi to Heathrow
Explore the most affordable flight options available from Suvarnabhumi to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Gotogate deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:10 amBKK - LHR
1 stop22h 30mMultiple Airlines
Mon 11/35:40 pmLHR - BKK
1 stop23h 30mMultiple Airlines
Deal found 9/11$702
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:10 amBKK - LHR
1 stop23h 25mChina Southern
Thu 12/410:00 pmLHR - BKK
1 stop20h 05mChina Southern
Deal found 9/13$708
This Booking.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:55 pmBKK - LHR
1 stop29h 40mMultiple Airlines
Sun 1/45:40 pmLHR - BKK
1 stop17h 25mMultiple Airlines
Deal found 9/13$714
This Booking.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:10 amBKK - LHR
1 stop22h 30mMultiple Airlines
Wed 11/55:40 pmLHR - BKK
1 stop17h 25mMultiple Airlines
Deal found 9/13$717
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:20 amBKK - LHR
1 stop17h 15mMultiple Airlines
Sat 1/39:35 pmLHR - BKK
1 stop36h 05mMultiple Airlines
Deal found 9/13$727
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/302:10 amBKK - LHR
1 stop22h 30mChina Eastern
Thu 11/69:00 pmLHR - BKK
1 stop24h 05mChina Eastern
Deal found 9/12$732
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:10 amBKK - LHR
1 stop22h 30mChina Eastern
Mon 10/139:20 pmLHR - BKK
1 stop24h 45mChina Eastern
Deal found 9/13$733
This Gotogate deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/271:30 amBKK - LHR
1 stop21h 25mAir China
Tue 11/410:10 pmLHR - BKK
1 stop31h 20mAir China
Deal found 9/13$740
This China Southern deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:15 pmBKK - LHR
2 stops49h 45mChina Southern
Mon 11/310:00 pmLHR - BKK
1 stop33h 30mChina Southern
Deal found 9/12$748
This Gotogate deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:20 pmBKK - LHR
2 stops30h 10mMultiple Airlines
Tue 10/148:25 pmLHR - BKK
1 stop21h 45mMultiple Airlines
Deal found 9/12$751

Cheapflights Fare Finder

 
Customize your flight search to find flights from Suvarnabhumi to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport that are best for you.

Fly from

Suvarnabhumi

Fly to

Heathrow

Route

Depart

Return

Price

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 2/16

8:05 pm-3:25 pm

1 stop26h 20m

London Heathrow

Mon 2/23

10:25 am-4:05 pm

1 stop22h 40m

$768

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 11/8

8:05 pm-3:25 pm

1 stop26h 20m

London Heathrow

Fri 11/21

10:25 am-4:05 pm

1 stop22h 40m

$788

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 2/17

3:00 am-1:45 pm

1 stop17h 45m

London Heathrow

Sun 2/22

10:45 am-10:05 am

1 stop16h 20m

$800

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 10/31

3:00 pm-3:15 pm

1 stop31h 15m

London Heathrow

Fri 11/7

6:10 pm-6:05 am

1 stop28h 55m

$870

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 2/18

8:20 am-8:10 pm

1 stop18h 50m

London Heathrow

Sun 2/22

5:50 pm-6:15 pm

1 stop17h 25m

$874

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 2/17

1:05 am-1:50 pm

1 stop19h 45m

London Heathrow

Sun 2/22

7:00 pm-6:05 pm

1 stop16h 05m

$880

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 1/13

7:15 pm-2:45 pm

1 stop26h 30m

London Heathrow

Sat 1/17

9:30 am-9:20 am

1 stop16h 50m

$884

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 2/6

2:55 am-11:40 am

1 stop15h 45m

London Heathrow

Sun 2/15

3:50 pm-12:55 pm

1 stop14h 05m

$927

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 2/8

8:15 pm-5:55 pm

2 stops28h 40m

$334

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 2/9

8:40 pm-1:45 pm

2 stops24h 05m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 20 results
1
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The best insider tips for Bangkok Suvarnabhumi Airport to London Heathrow Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Bangkok Suvarnabhumi Airport to London Heathrow Airport trip
Airports
BKK

Allow at least 90 minutes for security and immigration at BKK, especially during busy periods, to ensure a smooth departure.

Read more about BKKby Robert Schrader
LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station for easy city access.

Read more about LHRby Ramsey Qubein
Our travel experts
Robert Schrader

Robert Schrader

Expert on BKK

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Suvarnabhumi to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Suvarnabhumi with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport

How far ahead should I book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Suvarnabhumi to Heathrow. Price data was last updated on August 29, 2025.

The best time to book flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport is 27 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport (average of $661). Flying from Bangkok Suvarnabhumi Airport to London Heathrow Airport in June is currently the most expensive (average of $1,098). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BKK to LHR?

Find hourly flight availability from Suvarnabhumi to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

It’s optimal to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport in the afternoon. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated September 14, 2025.
Read reviews from past customers who have flown EVA Air, Emirates, and Thai Airways from Bangkok Suvarnabhumi Airport to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,236 reviews

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,236 reviews
EVA Air
8.4
Very good
1,236 reviews

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Emirates
8.1
Very good
3,334 reviews
EVA Air
8.4
Very good
1,236 reviews

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Thai Airways
7.8
Good
350 reviews
EVA Air
8.4
Very good
1,236 reviews

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Finnair
7.6
Good
1,323 reviews
EVA Air
8.4
Very good
1,236 reviews

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Qatar Airways
7.4
Good
3,624 reviews
EVA Air
8.4
Very good
1,236 reviews

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Related info for your journey

Find useful and relevant information for your journey from Suvarnabhumi to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    Airlines like Malaysia Airlines, Kuwait Airways, and Finnair fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport in about 17h 45m. The time it takes to get you to your destination can typically vary by up to 13h 30m. The distance from Bangkok Suvarnabhumi Airport to London Heathrow Airport is about 5947 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Bangkok Suvarnabhumi Airport to London Heathrow Airport round-trip?

    Our cheapest airline available from Bangkok Suvarnabhumi Airport to London Heathrow Airport is Etihad Airways. Our recent data shows that you can find tickets from as low as $768 on this airline. Additional options worth looking into are SWISS and Austrian Airlines, starting at $808 and $817 round-trip. Users have found that Etihad Airways is 25% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport consider choosing EVA Air (91%), Thai Airways (90%) or Air Canada (86%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    Looking for the cheapest flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport? While on average our users pay $1,896, our data indicates the cheapest price to be $506. The most popular route (Bangkok Suvarnabhumi - London Heathrow), is priced around $731.

  • Can I find deals for flights from Suvarnabhumi to Heathrow that include hotel bookings?

    Yes. In addition to deals on Suvarnabhumi to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Suvarnabhumi to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Suvarnabhumi to Heathrow.

  • Can I find deals for business class flights from Suvarnabhumi to Heathrow?

    Yes. Cheapflights offers flight deals from Suvarnabhumi to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport (average of $661). Flying from Bangkok Suvarnabhumi Airport to London Heathrow Airport in June is currently the most expensive (average of $1,098). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone

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Alternative routes for Suvarnabhumi to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Gatwick flights

Top 8 airlines flying from Suvarnabhumi to Heathrow

Discover the top 8 airlines that operate flights from Suvarnabhumi to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$768Average$793FlexibilityNo cancel feeOn-time75%
SWISSCheapest$808Average$957FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$817Average$951FlexibilityNo cancel feeOn-time78%
EmiratesCheapest$860Average$1,039FlexibilityNo cancel feeOn-time75%
FinnairCheapest$871Average$904FlexibilityNo cancel feeOn-time76%
Qatar AirwaysCheapest$882Average$978FlexibilityNo cancel feeOn-time68%
EVA AirCheapest$940Average$1,072FlexibilityNo cancel feeOn-time74%
Thai AirwaysCheapest$1,044Average$1,314FlexibilityNo cancel feeOn-time77%

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