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$326+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Bangkok Suvarnabhumi to London Heathrow are usually found in March or June, booked 27 days in advance, depart on a Friday or Saturday and return on a Monday

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 June 12, 2025.

Round-trip from

$755
(SAUDIA)

One-way from

$326
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$970

Good round-trip deal

$1,046 or less

Good one-way deal

$396 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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Highest demand for flights based on searches. 2% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This SAUDIA deal was found by Cheapflights users on 6/10. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/83:25 pmBKK - LHR
1 stop75h 15mSAUDIA
Fri 9/1210:00 amLHR - BKK
1 stop21h 45mSAUDIA
Deal found 6/10$755
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Wed 7/29:55 pmBKK - LHR
1 stop26h 45mChina Eastern
Thu 7/109:20 pmLHR - BKK
1 stop22h 35mChina Eastern
Deal found 6/12$777
This Gotogate deal was found by Cheapflights users on 6/11. 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.
Sun 6/152:55 amBKK - LHR
1 stop15h 50mMultiple Airlines
Fri 6/2010:00 pmLHR - BKK
2 stops30h 00mMultiple Airlines
Deal found 6/11$779
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/201:30 pmBKK - LHR
2 stops22h 55mRoyal Brunei Airlines
Sun 9/285:15 pmLHR - BKK
2 stops37h 25mRoyal Brunei Airlines
Deal found 6/11$795
This Kuwait Airways deal was found by Cheapflights users on 6/10. 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 Kuwait Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/143:25 amBKK - LHR
1 stop17h 20mKuwait Airways
Sun 10/2611:45 amLHR - BKK
1 stop15h 20mKuwait Airways
Deal found 6/10$804
This Air China deal was found by Cheapflights users on 6/10. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/121:30 amBKK - LHR
1 stop22h 15mAir China
Tue 7/110:40 pmLHR - BKK
1 stop19h 30mAir China
Deal found 6/10$808
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Wed 6/259:05 amBKK - LHR
1 stop15h 40mEtihad Airways
Wed 7/29:45 pmLHR - BKK
1 stop20h 10mEtihad Airways
Deal found 6/12$816
This China Southern deal was found by Cheapflights users on 6/10. 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.
Sat 7/263:00 amBKK - LHR
1 stop22h 00mChina Southern
Mon 8/1810:10 pmLHR - BKK
1 stop34h 20mChina Southern
Deal found 6/10$842
This Air Astana deal was found by Cheapflights users on 6/10. 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 Air Astana is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2410:15 amBKK - LHR
1 stop37h 25mAir Astana
Sun 8/246:05 pmLHR - BKK
1 stop32h 50mAir Astana
Deal found 6/10$843
This Finnair deal was found by Cheapflights users on 6/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:05 amBKK - LHR
1 stop35h 05mFinnair
Sat 8/164:10 pmLHR - BKK
1 stop31h 20mFinnair
Deal found 6/10$849
This SWISS deal was found by Cheapflights users on 6/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:35 pmBKK - LHR
1 stop25h 20mSWISS
Sat 10/258:05 pmLHR - BKK
1 stop32h 35mSWISS
Deal found 6/10$851
This Emirates deal was found by Cheapflights users on 6/11. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:30 amBKK - LHR
1 stop15h 50mEmirates
Sat 1/179:10 amLHR - BKK
1 stop15h 25mEmirates
Deal found 6/11$857

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 June 12, 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 9/8

3:25 pm-12:40 pm

1 stop75h 15m

London Heathrow

Fri 9/12

10:00 am-1:45 pm

1 stop21h 45m

$755

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 7/2

9:55 pm-6:40 pm

1 stop26h 45m

London Heathrow

Thu 7/10

9:20 pm-1:55 am

1 stop22h 35m

$777

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 9/20

1:30 pm-6:25 am

2 stops22h 55m

London Heathrow

Sun 9/28

5:15 pm-12:40 pm

2 stops37h 25m

$795

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 7/9

3:00 am-7:00 pm

1 stop22h 00m

London Heathrow

Thu 10/9

8:50 pm-5:45 pm

1 stop14h 55m

$803

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 10/14

3:25 am-2:45 pm

1 stop17h 20m

London Heathrow

Wed 10/29

11:45 am-10:05 am

1 stop15h 20m

$804

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 6/22

2:55 am-12:45 pm

1 stop15h 50m

London Heathrow

Thu 8/14

8:55 pm-7:20 am

1 stop28h 25m

$805

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 10/4

10:15 pm-5:50 pm

1 stop25h 35m

London Heathrow

Sun 10/12

7:50 pm-10:50 am

1 stop33h 00m

$841

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 7/26

3:00 am-7:00 pm

1 stop22h 00m

London Heathrow

Mon 8/18

10:10 pm-2:30 pm

1 stop34h 20m

$842

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 7/24

10:15 am-5:40 pm

1 stop37h 25m

London Heathrow

Sun 8/24

6:05 pm-8:55 am

1 stop32h 50m

$843

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 7/11

7:05 am-12:10 pm

1 stop35h 05m

London Heathrow

Sat 8/16

4:10 pm-5:30 am

1 stop31h 20m

$849

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 44 results
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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 June 9, 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 $1,108). 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 June 12, 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 44% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Bangkok Suvarnabhumi Airport to London Heathrow Airport

Explore weekly flight availability from Suvarnabhumi to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from BKK to LHR are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with EVA Air, China Airlines and Hainan Airlines from Bangkok to London to help guide your decision. 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
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Hainan Airlines
8.1
Very good
39 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very good
1,302 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • 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 SAUDIA. Our recent data shows that you can find tickets from as low as $755 on this airline. Additional options worth looking into are China Eastern and Royal Brunei Airlines, starting at $777 and $795 round-trip. Users have found that SAUDIA is 26% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport one-way?

    The cheapest airlines for a one-way flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport are China Southern ($327), China Eastern ($328), and Malaysia Airlines ($333).

  • 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 Air Canada (67%), Thai Airways (51%) or EVA Air (43%) 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 $1,761, our data indicates the cheapest price to be $390. The most popular route (Bangkok Suvarnabhumi - London Heathrow), is priced around $724.

  • 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 $1,108). 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 Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

Browse thousands of different options on Cheapflights for your next trip

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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 7 airlines flying from Suvarnabhumi to Heathrow

Discover the top 7 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$777Average$904FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$800Average$951FlexibilityNo cancel feeOn-time78%
SWISSCheapest$808Average$957FlexibilityNo cancel feeOn-time79%
Qatar AirwaysCheapest$882Average$927FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$888Average$1,038FlexibilityNo cancel feeOn-time75%
EVA AirCheapest$940Average$1,072FlexibilityNo cancel feeOn-time74%
Thai AirwaysCheapest$1,002Average$1,227FlexibilityNo cancel feeOn-time77%

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