Suvarnabhumi

$393+ Cheap flights from Heathrow (LHR) to Suvarnabhumi (BKK)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BKK
Jul 14 — Jul 211
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Cheapflights Tip: The best prices from London Heathrow to Bangkok Suvarnabhumi are usually found in September or May, booked 85 days in advance, depart on a Wednesday or Sunday and return on a Saturday

Cheap flight deals from Heathrow to Suvarnabhumi

Cheapest flights from Heathrow to Suvarnabhumi
Explore the most affordable flight options available from Heathrow to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:10 pm
LHR
-
BKK
1 stop22h 05m
Shenzhen Airlines
Tue 11/173:15 am
BKK
-
LHR
1 stop22h 55m
Shenzhen Airlines
Deal found 6/10$623
This Shenzhen Airlines deal was found by Cheapflights users on 6/9. 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:10 pm
LHR
-
BKK
1 stop31h 00m
Shenzhen Airlines
Thu 11/2612:10 pm
BKK
-
LHR
1 stop38h 00m
Shenzhen Airlines
Deal found 6/9$624
This Shenzhen Airlines 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:10 pm
LHR
-
BKK
1 stop38h 20m
Shenzhen Airlines
Sun 11/1512:10 pm
BKK
-
LHR
1 stop38h 00m
Shenzhen Airlines
Deal found 6/10$625
This Shenzhen Airlines deal was found by Cheapflights users on 6/14. 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:10 pm
LHR
-
BKK
1 stop38h 20m
Shenzhen Airlines
Sun 11/2912:10 pm
BKK
-
LHR
1 stop38h 00m
Shenzhen Airlines
Deal found 6/14$627
This Air China 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:35 pm
LHR
-
BKK
1 stop36h 05m
Air China
Fri 11/271:30 am
BKK
-
LHR
1 stop23h 20m
Air China
Deal found 6/12$629
This Air China deal was found by Cheapflights users on 6/9. 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 10/299:35 pm
LHR
-
BKK
1 stop36h 05m
Air China
Mon 11/231:30 am
BKK
-
LHR
1 stop23h 20m
Air China
Deal found 6/9$634
This Air China deal was found by Cheapflights users on 6/13. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 pm
LHR
-
BKK
1 stop23h 30m
Air China
Sun 11/227:30 pm
BKK
-
LHR
1 stop27h 25m
Air China
Deal found 6/13$636
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:00 pm
LHR
-
BKK
2 stops30h 00m
Hainan Airlines
Tue 9/87:20 pm
BKK
-
LHR
1 stop30h 10m
Hainan Airlines
Deal found 6/10$666
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:40 pm
LHR
-
BKK
1 stop17h 25m
Air China
Fri 11/271:30 am
BKK
-
LHR
1 stop21h 25m
Air China
Deal found 6/12$677
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.
Sun 11/15:40 pm
LHR
-
BKK
1 stop17h 25m
Air China
Sun 11/221:30 am
BKK
-
LHR
1 stop21h 25m
Air China
Deal found 6/11$678
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:00 pm
LHR
-
BKK
1 stop31h 55m
China Southern
Tue 12/16:55 pm
BKK
-
LHR
1 stop30h 40m
China Southern
Deal found 6/10$679

Find flight deals from Heathrow to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Suvarnabhumi (BKK). 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 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$623
(FlightHub)

One-way from

$393
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$834

Good round-trip deal

$1,134 or less

Good one-way deal

$770 or less
Provider with most accurate pricing for London Heathrow-Bangkok Suvarnabhumi flight deals.
Provider most trusted by Cheapflights users for London Heathrow-Bangkok Suvarnabhumi flights.
From London Heathrow to Bangkok Suvarnabhumi
One-way flight from London Heathrow to Bangkok Suvarnabhumi
Highest demand for flights based on searches. 5% potential increase in price ($53 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from London Heathrow to Bangkok Suvarnabhumi.
Price to beat on a one-way flight from London Heathrow to Bangkok Suvarnabhumi.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Suvarnabhumi 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 14, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 11/16

9:00 pm-12:55 am

1 stop20h 55m

Bangkok Suvarnabhumi

Wed 11/18

1:55 am-5:30 pm

1 stop22h 35m

$730

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 7/3

8:45 pm-11:50 pm

1 stop21h 05m

Bangkok Suvarnabhumi

Thu 7/16

3:15 am-6:45 pm

1 stop21h 30m

$817

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 7/3

8:45 pm-11:50 pm

1 stop21h 05m

Bangkok Suvarnabhumi

Sat 9/19

3:55 pm-6:45 pm

1 stop32h 50m

$819

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 6/28

8:45 pm-7:15 pm

1 stop16h 30m

Bangkok Suvarnabhumi

Thu 7/16

3:15 am-6:45 pm

1 stop21h 30m

$858

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 11/21

10:20 am-10:40 am

1 stop17h 20m

Bangkok Suvarnabhumi

Thu 12/3

12:35 pm-9:35 am

2 stops28h 00m

$880

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 11/4

5:50 pm-3:30 pm

2 stops14h 40m

Bangkok Suvarnabhumi

Thu 12/31

2:00 pm-8:20 am

1 stop25h 20m

$936
Quickest round-trip

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 10/28

7:25 pm-3:30 pm

1 stop13h 05m

Bangkok Suvarnabhumi

Wed 11/11

11:30 pm-10:45 am

2 stops18h 15m

$966

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 10/22

12:10 pm-9:50 am

1 stop15h 40m

Bangkok Suvarnabhumi

Mon 11/2

11:50 pm-9:45 am

2 stops16h 55m

$985

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 11/20

6:40 am-10:40 am

2 stops21h 00m

Bangkok Suvarnabhumi

Sun 12/20

12:35 pm-9:20 am

1 stop27h 45m

$1,025

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 6/30

9:20 pm-1:20 am

2 stops22h 00m

Bangkok Suvarnabhumi

Mon 7/6

3:00 am-6:40 pm

2 stops21h 40m

$1,030

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Heathrow to Suvarnabhumi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Suvarnabhumi in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Bangkok Suvarnabhumi Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Bangkok Suvarnabhumi Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Bangkok Suvarnabhumi Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Bangkok Suvarnabhumi Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Bangkok Suvarnabhumi Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Heathrow 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 London Heathrow Airport to Bangkok Suvarnabhumi Airport

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport (average of $788). Flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,200). 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 LHR to BKK?

Find hourly flight availability from Heathrow to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2026.

When flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

The best insider tips for London Heathrow Airport to Bangkok Suvarnabhumi Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Bangkok Suvarnabhumi Airport trip
Our travel experts
Robert Schrader

Robert Schrader

Expert on BKK

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.

Ramsey Qubein

Ramsey Qubein

Expert on LHR

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.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated June 14, 2026.
See what other customers who have flown with EVA Air,Oman Air, andThai Airways from London Heathrow Airport to Bangkok Suvarnabhumi Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

Boarding

8.4

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

Boarding

8.4

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

Boarding

8.4

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

Boarding

8.4

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

Boarding

8.4

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Suvarnabhumi. 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 London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    For as low as $730, China Eastern can have you in Bangkok Suvarnabhumi Airport from London Heathrow Airport in 20h 55m. The distance between London Heathrow Airport and Bangkok Suvarnabhumi Airport is about 5947 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Air China ($416), Gulf Air ($462), and Shenzhen Airlines ($494) offers the cheapest pricing from London Heathrow Airport to Bangkok Suvarnabhumi Airport. Users have found that Air China is 55% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $320 on Shenzhen Airlines. Other airlines that offer cheap prices include China Eastern from $328 and Hainan Airlines from $357 one-way.

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

    Before booking your flight to Bangkok Suvarnabhumi Airport from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Thai Airways (92%), EVA Air (91%), Air Canada( 91%).

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

    While on average a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport is generally $2,371, our data shows the cheapest flight currently is $685. When looking at the most popular route, (London Heathrow - Bangkok Suvarnabhumi), you can expect to pay $625 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Suvarnabhumi 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 London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport (average of $788). Flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,200). 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
Ko Samet
Chonburi
Cha-am
Sattahip
Pak Chong

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Top 10 airlines flying from Heathrow to Suvarnabhumi

Discover the top 10 airlines that operate flights from Heathrow to Suvarnabhumi. 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 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$416Average$596FlexibilityNo cancel feeOn-time67%
Gulf AirCheapest$462Average$1,027FlexibilityNo cancel feeOn-time67%
Shenzhen AirlinesCheapest$494Average$574FlexibilityNo cancel feeOn-time63%
China EasternCheapest$512Average$665FlexibilityNo cancel feeOn-time62%
SAUDIACheapest$544Average$770FlexibilityNo cancel feeOn-time86%
China SouthernCheapest$570Average$614FlexibilityNo cancel feeOn-time69%
Air IndiaCheapest$570Average$701FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$641Average$885FlexibilityNo cancel feeOn-time78%
Oman AirCheapest$657Average$757FlexibilityNo cancel feeOn-time76%
Etihad AirwaysCheapest$684Average$813FlexibilityNo cancel feeOn-time75%

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