Thai Airways flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport (LHR - BKK)
LHR — BKK
7 Oct — 14 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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Cheapest Thai Airways flights from Heathrow to Suvarnabhumi
Explore the most affordable Thai Airways flight options available from Heathrow to Suvarnabhumi. Find the lowest fares with prices last updated on 7 September 2026.
Thu 29/1021:35 -
Nonstop11h 25m
Wed 11/1100:25 -
Nonstop13h 15m
Deal found 4/9£811
Tue 6/1012:30 -
Nonstop11h 30m
Wed 14/1000:30 -
Nonstop12h 45m
Deal found 4/9£817
Wed 21/1021:25 -
Nonstop11h 35m
Wed 28/1013:20 -
Nonstop13h 15m
Deal found 6/9£820
Best Thai Airways flights from Heathrow to Suvarnabhumi
Discover carefully curated Thai Airways flight deals from Heathrow to Suvarnabhumi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.
Thu 12/1121:35 -
Nonstop11h 25m
Sun 22/1113:20 -
Nonstop13h 15m
Deal found 4/9£861
Sun 4/1012:30 -
Nonstop11h 30m
Thu 15/1000:30 -
Nonstop12h 45m
Deal found 5/9£870
Thu 19/1121:35 -
Nonstop11h 25m
Mon 23/1113:20 -
Nonstop13h 15m
Deal found 6/9£871
Direct Thai Airways flights from Heathrow to Suvarnabhumi
Explore direct Thai Airways flight options from Heathrow to Suvarnabhumi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 September 2026.
Tue 23/221:35 -
Nonstop11h 25m
Tue 2/300:25 -
Nonstop13h 15m
Deal found 2/9£796
Thu 29/1021:35 -
Nonstop11h 25m
Wed 11/1100:25 -
Nonstop13h 15m
Deal found 4/9£811
Wed 20/111:50 -
Nonstop11h 25m
Fri 29/100:25 -
Nonstop13h 15m
Deal found 5/9£815
Last-minute Thai Airways flights from Heathrow to Suvarnabhumi
Discover last-minute Thai Airways flight deals from Heathrow to Suvarnabhumi. Data last updated 7 September 2026 and is based on user searches.
Thu 29/1021:35 -
Nonstop11h 25m
Wed 11/1100:25 -
Nonstop13h 15m
Deal found 4/9£811
Tue 6/1012:30 -
Nonstop11h 30m
Wed 14/1000:30 -
Nonstop12h 45m
Deal found 4/9£817
Wed 21/1021:25 -
Nonstop11h 35m
Wed 28/1013:20 -
Nonstop13h 15m
Deal found 6/9£820
One-way Thai Airways flights to Suvarnabhumi
Search for one-way Thai Airways flight options to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.
Fri 26/221:35 -
Nonstop11h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£513
Thu 17/912:30 -
Nonstop11h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£514
Thu 26/1121:35 -
Nonstop11h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£516
Can I get a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport on Thai Airways for under £666?
Cheapflights users have found 11 Thai Airways flights for under £666 on the LHR-BKK route. Prices on flights to Bangkok Suvarnabhumi Airport from London Heathrow Airport can vary based on many factors including dates. To look at price based on your preferred dates, click here.
Thai Airways flights from Heathrow to Suvarnabhumi in 2026
Find detailed information about Thai Airways flights from Heathrow to Suvarnabhumi. Explore the options provided by Thai Airways to plan your journey from Heathrow to Suvarnabhumi. Data last updated 7 September 2026.
When is the best time to book a flight to Bangkok Suvarnabhumi Airport with Thai Airways?
The best time to book a flight to Bangkok Suvarnabhumi Airport with Thai Airways is 31 days before departure. On average, fares are higher if you book 74 days before departure.
Which month is the cheapest to fly Economy class from London Heathrow Airport to Bangkok Suvarnabhumi Airport?
For Economy class flights, the cheapest month to fly this route is February. The most expensive months are December and July.
Weekly Thai Airways flight availability from London Heathrow Airport to Bangkok Suvarnabhumi Airport
The most Thai Airways flights from LHR to BKK are scheduled on a Monday (3 on average). You will have fewer Thai Airways flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
Rainfall in Suvarnabhumi by month
Plan your trip to Suvarnabhumi by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Bangkok Suvarnabhumi Airport ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Bangkok Suvarnabhumi Airport when rainfall is around 10.0 mm.
Temperature in Suvarnabhumi by month
Plan your trip to Suvarnabhumi by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Bangkok Suvarnabhumi Airport, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).
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 return 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.
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Fly from Heathrow to Suvarnabhumi on another airline
Consider alternative airlines that service the Suvarnabhumi area. Flight routes are based on user searches made on Cheapflights and were last updated on 7 September 2026.
Browse through other Thai Airways flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 7 September 2026.
If Suvarnabhumi is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 7 September 2026.
Browse through some of the most popular routes that Thai Airways offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 7 September 2026.
Read reviews and see what other travellers are saying about their experiences with Thai Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Thai Airways for your next flight. Reviews last updated 7 September 2026.
Flight attendants are great. Plane very comfortable.
10.0
Wonderful|Feb 2026
Thai Airways. Was echt super goed.
10.0
Wonderful|Jan 2026
Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
1 out of 140
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