$385+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BKK
May 28 — Jun 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Heathrow to Suvarnabhumi with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from London Heathrow to Bangkok Suvarnabhumi are usually found in May or September, booked 85 days in advance, depart on a Wednesday or Thursday and return on a Sunday
Cheap flight deals from Heathrow to Suvarnabhumi
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to SuvarnabhumiExplore 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 April 28, 2026.
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 April 28, 2026.
This FlightHub deal was found by Cheapflights users on 4/27. 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.
Sun 5/3110:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sat 6/203:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/27![SAUDIA logo]()
$585
This Booking.com deal was found by Cheapflights users on 4/26. 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 6/14:15 pm
LHR
- BKK
1 stop15h 30m
SAUDIA
Sun 6/213:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/26![SAUDIA logo]()
$587
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Mon 5/1110:00 am
LHR
- BKK
1 stop21h 45m
SAUDIA
Thu 5/143:25 pm
BKK
- LHR
1 stop27h 15m
SAUDIA
Deal found 4/23![SAUDIA logo]()
$588
This FlightHub deal was found by Cheapflights users on 4/28. 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 6/154:15 pm
LHR
- BKK
1 stop15h 30m
SAUDIA
Sun 6/213:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/28![SAUDIA logo]()
$591
This Gotogate deal was found by Cheapflights users on 4/25. 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.
Tue 4/2810:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Fri 5/81:50 am
BKK
- LHR
1 stop16h 50m
SAUDIA
Deal found 4/25![SAUDIA logo]()
$592
This Justfly.com deal was found by Cheapflights users on 4/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:00 am
LHR
- BKK
1 stop21h 45m
SAUDIA
Mon 6/221:50 am
BKK
- LHR
1 stop16h 50m
SAUDIA
Deal found 4/23![SAUDIA logo]()
$594
This FlightHub deal was found by Cheapflights users on 4/28. 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 6/34:15 pm
LHR
- BKK
1 stop15h 30m
SAUDIA
Sun 6/285:45 am
BKK
- LHR
1 stop20h 45m
SAUDIA
Deal found 4/28![SAUDIA logo]()
$595
This SAUDIA deal was found by Cheapflights users on 4/24. 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.
Thu 4/3010:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sat 6/133:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/24![SAUDIA logo]()
$597
This SAUDIA deal was found by Cheapflights users on 4/25. 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.
Sun 5/3110:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sat 6/133:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/25![SAUDIA logo]()
$598
This SAUDIA deal was found by Cheapflights users on 4/27. 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.
Fri 6/124:15 pm
LHR
- BKK
1 stop15h 30m
SAUDIA
Thu 6/183:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/27![SAUDIA logo]()
$599
Best flights from Heathrow to SuvarnabhumiDiscover carefully curated flight deals from Heathrow to Suvarnabhumi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
Discover carefully curated flight deals from Heathrow to Suvarnabhumi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
This Etihad Airways deal was found by Cheapflights users on 4/25. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:45 pm
LHR
- BKK
1 stop32h 05m
Etihad Airways
Thu 7/169:45 am
BKK
- LHR
1 stop15h 00m
Etihad Airways
Deal found 4/25![Etihad Airways logo]()
$799
This Oman Air deal was found by Cheapflights users on 4/23. 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 Oman Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:25 am
LHR
- BKK
1 stop16h 30m
Oman Air
Sun 6/149:00 am
BKK
- LHR
1 stop27h 30m
Oman Air
Deal found 4/23![Oman Air logo]()
$1,020
This China Airlines deal was found by Cheapflights users on 4/27. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:30 am
LHR
- BKK
2 stops36h 55m
China Airlines
Sun 10/252:05 pm
BKK
- LHR
1 stop33h 50m
China Airlines
Deal found 4/27![China Airlines logo]()
$1,238
This ITA Airways deal was found by Cheapflights users on 4/24. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/153:30 pm
LHR
- BKK
2 stops16h 30m
Multiple Airlines
Fri 7/1012:25 pm
BKK
- LHR
1 stop27h 15m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$1,281
This Vietnam Airlines deal was found by Cheapflights users on 4/23. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:55 am
LHR
- BKK
2 stops19h 55m
Vietnam Airlines
Mon 7/62:25 pm
BKK
- LHR
1 stop33h 25m
Vietnam Airlines
Deal found 4/23![Vietnam Airlines logo]()
$1,297
This Finnair deal was found by Cheapflights users on 4/23. 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.
Mon 5/256:10 pm
LHR
- BKK
2 stops24h 00m
Finnair
Mon 6/87:05 am
BKK
- LHR
1 stop32h 05m
Finnair
Deal found 4/23![Finnair logo]()
$1,323
This China Eastern deal was found by Cheapflights users on 4/24. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:20 pm
LHR
- BKK
3 stops33h 00m
China Eastern
Fri 8/212:10 am
BKK
- LHR
1 stop22h 30m
China Eastern
Deal found 4/24![China Eastern logo]()
$1,477
This Etihad Airways deal was found by Cheapflights users on 4/27. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:45 pm
LHR
- BKK
1 stop20h 05m
Etihad Airways
Tue 6/233:15 am
BKK
- LHR
1 stop15h 30m
Etihad Airways
Deal found 4/27![Etihad Airways logo]()
$801
This Vietnam Airlines deal was found by Cheapflights users on 4/27. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:15 am
LHR
- BKK
2 stops22h 05m
Multiple Airlines
Sat 7/1110:15 pm
BKK
- LHR
1 stop25h 35m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,313
This EVA Air deal was found by Cheapflights users on 4/27. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:05 am
LHR
- BKK
1 stop16h 05m
Multiple Airlines
Wed 10/712:20 pm
BKK
- LHR
Nonstop13h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,329
This ITA Airways deal was found by Cheapflights users on 4/24. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/213:30 pm
LHR
- BKK
2 stops16h 30m
Multiple Airlines
Tue 7/1412:50 pm
BKK
- LHR
1 stop25h 05m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$1,473
This Vietnam Airlines deal was found by Cheapflights users on 4/25. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:55 am
LHR
- BKK
2 stops19h 25m
Multiple Airlines
Wed 6/177:05 pm
BKK
- LHR
2 stops19h 35m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,581
Last-minute flights from Heathrow to SuvarnabhumiDiscover last-minute flight deals from Heathrow to Suvarnabhumi. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Suvarnabhumi. Data last updated April 28, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 4/25. 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.
Tue 4/2810:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Fri 5/81:50 am
BKK
- LHR
1 stop16h 50m
SAUDIA
Deal found 4/25![SAUDIA logo]()
$592
This SAUDIA deal was found by Cheapflights users on 4/26. 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.
Tue 4/2810:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Thu 5/73:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/26![SAUDIA logo]()
$608
This SAUDIA deal was found by Cheapflights users on 4/24. 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.
Thu 4/3010:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sat 6/133:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/24![SAUDIA logo]()
$597
This FlightHub deal was found by Cheapflights users on 4/27. 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.
Sun 5/310:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Wed 5/133:20 pm
BKK
- LHR
1 stop27h 20m
SAUDIA
Deal found 4/27![SAUDIA logo]()
$593
This FlightHub deal was found by Cheapflights users on 4/24. 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.
Sun 5/310:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sun 5/103:25 pm
BKK
- LHR
1 stop28h 50m
SAUDIA
Deal found 4/24![SAUDIA logo]()
$594
This SAUDIA deal was found by Cheapflights users on 4/23. 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.
Sun 5/310:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Thu 5/283:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/23![SAUDIA logo]()
$606
This Gotogate deal was found by Cheapflights users on 4/25. 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.
Sat 5/910:00 am
LHR
- BKK
1 stop21h 45m
SAUDIA
Tue 5/123:25 pm
BKK
- LHR
1 stop35h 05m
SAUDIA
Deal found 4/25![SAUDIA logo]()
$602
This SAUDIA deal was found by Cheapflights users on 4/23. 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.
Sun 5/1010:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sun 5/173:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/23![SAUDIA logo]()
$605
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Mon 5/1110:00 am
LHR
- BKK
1 stop21h 45m
SAUDIA
Thu 5/143:25 pm
BKK
- LHR
1 stop27h 15m
SAUDIA
Deal found 4/23![SAUDIA logo]()
$588
This FlightHub deal was found by Cheapflights users on 4/27. 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.
Sun 5/3110:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sat 6/203:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/27![SAUDIA logo]()
$585
This SAUDIA deal was found by Cheapflights users on 4/25. 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.
Sun 5/3110:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sat 6/133:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/25![SAUDIA logo]()
$598
One-way flights from Heathrow to SuvarnabhumiSearch for one-way flight options from Heathrow to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
Search for one-way flight options from Heathrow to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:40 pm
LHR
- BKK
1 stop37h 40m
Air China
Deal found 4/28![Air China logo]()
$385
This Mytrip deal was found by Cheapflights users on 4/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Deal found 4/27![SAUDIA logo]()
$386
This Super.com deal was found by Cheapflights users on 4/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/174:15 pm
LHR
- BKK
1 stop15h 30m
SAUDIA
Deal found 4/27![SAUDIA logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/84:15 pm
LHR
- BKK
1 stop15h 30m
SAUDIA
Deal found 4/27![SAUDIA logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1810:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Deal found 4/25![SAUDIA logo]()
$389
This FlightHub deal was found by Cheapflights users on 4/25. 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 6/310:05 pm
LHR
- BKK
1 stop31h 05m
Shenzhen Airlines
Deal found 4/25![Shenzhen Airlines logo]()
$390
This Booking.com deal was found by Cheapflights users on 4/25. 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 5/510:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Deal found 4/25![SAUDIA logo]()
$391
This FlightHub deal was found by Cheapflights users on 4/27. 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.
Sun 6/710:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Deal found 4/27![SAUDIA logo]()
$398
This Trip.com deal was found by Cheapflights users on 4/28. 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.
Tue 5/2610:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Deal found 4/28![SAUDIA logo]()
$399
This SAUDIA deal was found by Cheapflights users on 4/25. 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.
Tue 5/1210:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Deal found 4/25![SAUDIA logo]()
$411
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $585 (FlightHub) |
One-way from | $385 (Justfly.com) |
Popular in | July |
Cheapest in | May |
Average price | $900 |
Good round-trip deal | $1,204 or less |
Good one-way deal | $738 or less |
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 April 28, 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
Cheapest round-trip
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Wed 7/1
9:45 pm-11:50 am
1 stop32h 05m
Bangkok Suvarnabhumi
Thu 7/16
9:45 am-6:45 pm
1 stop15h 00m
$799
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Tue 6/9
9:45 pm-11:50 pm
1 stop20h 05m
Bangkok Suvarnabhumi
Tue 6/23
3:15 am-12:45 pm
1 stop15h 30m
$801
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Sun 6/7
8:25 am-6:55 am
1 stop16h 30m
Bangkok Suvarnabhumi
Sun 6/14
9:00 am-6:30 am
1 stop27h 30m
$1,020
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Sat 9/5
6:30 am-1:25 am
2 stops36h 55m
Bangkok Suvarnabhumi
Sun 10/25
2:05 pm-4:55 pm
1 stop33h 50m
$1,238
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Mon 6/15
3:30 pm-2:00 pm
2 stops16h 30m
Bangkok Suvarnabhumi
Fri 7/10
12:25 pm-9:40 am
1 stop27h 15m
$1,281
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Sun 6/14
8:55 am-10:50 am
2 stops19h 55m
Bangkok Suvarnabhumi
Mon 7/6
2:25 pm-5:50 pm
1 stop33h 25m
$1,297
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Fri 5/15
6:15 am-10:20 am
2 stops22h 05m
Bangkok Suvarnabhumi
Sat 7/11
10:15 pm-5:50 pm
1 stop25h 35m
$1,313
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Mon 5/25
6:10 pm-12:10 am
2 stops24h 00m
Bangkok Suvarnabhumi
Mon 6/8
7:05 am-9:10 am
1 stop32h 05m
$1,323
Quickest round-trip
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Wed 9/2
9:05 am-7:10 am
1 stop16h 05m
Bangkok Suvarnabhumi
Wed 10/7
12:20 pm-7:20 pm
Nonstop13h 00m
$1,329
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Sun 6/21
3:30 pm-2:00 pm
2 stops16h 30m
Bangkok Suvarnabhumi
Tue 7/14
12:50 pm-7:55 am
1 stop25h 05m
$1,473
Showing 1-10 of 22 resultsSorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
LHR-BKK
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
Prices
Airlines
Delays
More
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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport (average of $800). Flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of $1,194). 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 April 28, 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 often are flights from London to Bangkok delayed?
About 15% of weekly flights between London and Bangkok have experienced delays in the past year, with the average delay time being 85 minutes.
What is the most punctual flight time for London to Bangkok flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Bangkok flights?
Over the last year, EVA Air have had the lowest number of delays on this route, with just 8% of flights being delayed.
What’s the top layover airport for flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?
Share of 1-stop round-trip flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Abu Dhabi (AUH) – chosen by Cheapflights users on 31% of 1-stop itineraries from London Heathrow Airport to Bangkok Suvarnabhumi Airport on Cheapflights.
What’s the cheapest layover airport for flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?
Average round-trip fare for 1-stop flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Shenzhen (SZX) is the most affordable 1-stop option, with an average round-trip price of $512.
What’s the fastest layover option from London Heathrow Airport to Bangkok Suvarnabhumi Airport?
Shortest average travel time for 1-stop one-way flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Vienna (VIE) have the shortest average one-way travel time for 1-stop routes: 13h 13m.
Which airport typically offers the quickest layover for flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?
Average layover duration for 1-stop one-way flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Vienna (VIE) offer the fastest connection on this route, with an average layover time of 0h 48m.
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
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 April 28, 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.
Comfort
8.3
Boarding
8.4
Crew
8.6
Food
8.1
Entertainment
8.0
Overall
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
TPE - SFO
Comfort
8.3
Boarding
8.4
Crew
8.6
Food
8.1
Entertainment
8.0
Overall
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
TPE - SFO
Comfort
8.3
Boarding
8.4
Crew
8.6
Food
8.1
Entertainment
8.0
Overall
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
TPE - SFO
Comfort
8.3
Boarding
8.4
Crew
8.6
Food
8.1
Entertainment
8.0
Overall
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
TPE - SFO
Comfort
8.3
Boarding
8.4
Crew
8.6
Food
8.1
Entertainment
8.0
Overall
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
TPE - SFO
Comfort
8.3
Boarding
8.4
Crew
8.6
Food
8.1
Entertainment
8.0
Overall
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
TPE - SFO
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.
Traveling to a place near Bangkok Suvarnabhumi Airport?
Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locationsKo Samet
Kanchanaburi
Chonburi
Cha-am
Sattahip
Pak Chong
Ko Lan
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Other flight options
Other flights from Heathrow
Popular flights
Suvarnabhumi flight routes
Complete your trip
Complete your trip to Suvarnabhumi by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Heathrow to Suvarnabhumi by cabin class
Find flights from Heathrow to Suvarnabhumi, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Heathrow and Suvarnabhumi flights
Browse other Heathrow and Suvarnabhumi flight options. Last updated on April 28, 2026.
Other flights from Heathrow
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Suvarnabhumi
Explore flights to Suvarnabhumi departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$416 | Average$596 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$494 | Average$574 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$512 | Average$650 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$544 | Average$788 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$569 | Average$692 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$570 | Average$614 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$641 | Average$876 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$657 | Average$749 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$682 | Average$810 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$729 | Average$1,150 | FlexibilityNo cancel fee | On-time76% |