Finnair flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport (LHR - BKK)
LHR — BKK
25 Oct — 1 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Find Finnair flight deals from Heathrow to Suvarnabhumi
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
Cheapest Finnair flights from Heathrow to Suvarnabhumi
Explore the most affordable Finnair flight options available from Heathrow to Suvarnabhumi. Find the lowest fares with prices last updated on 25 September 2026.
Tue 20-1018:10 -
2 stops24h 00m
Tue 27-1011:15 -
1 stop28h 55m
Deal found 25-9HK$8,219
Thu 24-918:10 -
1 stop29h 20m
Sun 11-1015:00 -
2 stops32h 05m
Deal found 24-9HK$8,235
Wed 21-1016:10 -
2 stops26h 00m
Wed 28-1008:00 -
1 stop19h 40m
Deal found 23-9HK$8,266
Best Finnair flights from Heathrow to Suvarnabhumi
Discover carefully curated Finnair 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 25 September 2026.
Wed 24-307:30 -
1 stop15h 35m
Fri 23-412:35 -
2 stops26h 35m
Deal found 20-9HK$8,431
Wed 11-1118:10 -
1 stop15h 25m
Mon 16-1113:05 -
2 stops27h 05m
Deal found 25-9HK$8,587
Fri 13-1118:10 -
1 stop15h 25m
Tue 24-1113:05 -
2 stops27h 05m
Deal found 25-9HK$8,587
Last-minute Finnair flights from Heathrow to Suvarnabhumi
Discover last-minute Finnair flight deals from Heathrow to Suvarnabhumi. Data last updated 25 September 2026 and is based on user searches.
Tue 20-1018:10 -
2 stops24h 00m
Tue 27-1011:15 -
1 stop28h 55m
Deal found 25-9HK$8,219
Thu 24-918:10 -
1 stop29h 20m
Sun 11-1015:00 -
2 stops32h 05m
Deal found 24-9HK$8,235
Wed 21-1016:10 -
2 stops26h 00m
Wed 28-1008:00 -
1 stop19h 40m
Deal found 23-9HK$8,266
One-way Finnair flights to Suvarnabhumi
Search for one-way Finnair flight options to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated 25 September 2026.
Fri 23-1016:10 -
2 stops26h 00m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 24-9HK$6,650
Thu 22-1016:10 -
2 stops26h 00m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 22-9HK$6,839
Wed 13-118:10 -
2 stops33h 25m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 24-9HK$10,979
Finnair flights from Heathrow to Suvarnabhumi in 2026
Find detailed information about Finnair flights from Heathrow to Suvarnabhumi. Explore the options provided by Finnair to plan your journey from Heathrow to Suvarnabhumi. Data last updated 25 September 2026.
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.
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
Other destinations
Other flights
Complete your trip
Complete your trip to Suvarnabhumi by adding a car hire and/or hotel booking to your travel itinerary.
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 25 September 2026.
Read reviews and see what other travellers are saying about their experiences with Finnair. 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 Finnair for your next flight. Reviews last updated 25 September 2026.
The flight from Helsinki to Toronto was very cramped. No leg space and no room to even walk. Very bad experience
8.0
Very Good|Jul 2026
Very limited food provided. Limited drinks, lights out for 10 of 12.30 flights. Very few staff.
2.0
Poor|Jun 2026
Lost our luggage and took two days to get it back. Ruined the trip.
10.0
Wonderful|Jun 2026
Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
10.0
Wonderful|May 2026
Positive
1 out of 478
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book With Flexibility
Our users can plan ahead with confidence and find flights with no change fees.
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.