Finnair flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport (BKK - LHR)
BKK — LHR
21 Nov — 28 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Find Finnair flight deals from Suvarnabhumi to Heathrow
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Cheapest Finnair flights from Suvarnabhumi to Heathrow
Explore the most affordable Finnair flight options available from Suvarnabhumi to Heathrow. Find the lowest fares with prices last updated on 22 October 2026.
Sat 21/1111:15 -
1 stop28h 55m
Wed 17/207:30 -
1 stop15h 35m
Deal found 22/10฿28,830
Fri 20/1111:15 -
1 stop36h 45m
Fri 11/1207:30 -
1 stop19h 10m
Deal found 21/10฿31,686
Fri 27/1111:15 -
1 stop35h 00m
Mon 30/1118:10 -
2 stops23h 05m
Deal found 20/10฿34,139
Best Finnair flights from Suvarnabhumi to Heathrow
Discover carefully curated Finnair flight deals from Suvarnabhumi to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 October 2026.
Sun 28/311:15 -
1 stop39h 25m
Fri 28/518:10 -
2 stops24h 00m
Deal found 17/10฿37,062
Mon 5/411:00 -
2 stops28h 10m
Mon 12/407:30 -
1 stop26h 15m
Deal found 20/10฿37,969
Thu 25/311:15 -
1 stop16h 25m
Thu 29/418:10 -
2 stops33h 50m
Deal found 20/10฿38,204
Last-minute Finnair flights from Suvarnabhumi to Heathrow
Discover last-minute Finnair flight deals from Suvarnabhumi to Heathrow. Data last updated 22 October 2026 and is based on user searches.
Sat 21/1111:15 -
1 stop28h 55m
Wed 17/207:30 -
1 stop15h 35m
Deal found 22/10฿28,830
Fri 20/1111:15 -
1 stop36h 45m
Fri 11/1207:30 -
1 stop19h 10m
Deal found 21/10฿31,686
Fri 27/1111:15 -
1 stop35h 00m
Mon 30/1118:10 -
2 stops23h 05m
Deal found 20/10฿34,139
One-way Finnair flights to Heathrow
Search for one-way Finnair flight options to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 October 2026.
Wed 7/412:35 -
2 stops26h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/10฿23,722
Fri 19/215:10 -
2 stops25h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/10฿23,991
Mon 19/411:00 -
2 stops28h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/10฿24,260
How do most travelers feel about Finnair?
The average rating from 1,416 Finnair reviews by Cheapflights users is 7.6 (out of a maximum rating of 10). If you are considering flying BKK-LHR with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to London Heathrow Airport with Finnair.
Can I get a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport on Finnair for under ฿36,961?
Cheapflights currently has 6 BKK-LHR flights for under ฿36,961. Flights to London Heathrow Airport will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.
Finnair flights from Suvarnabhumi to Heathrow in 2026
Find detailed information about Finnair flights from Suvarnabhumi to Heathrow. Explore the options provided by Finnair to plan your journey from Suvarnabhumi to Heathrow. Data last updated 22 October 2026.
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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.
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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).
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.
BKK-LHR
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 Suvarnabhumi to Heathrow on another airline
Consider alternative airlines that service the Heathrow area. Flight routes are based on user searches made on Cheapflights and were last updated on 22 October 2026.
Browse through other Finnair flights departing from Suvarnabhumi. Flight routes are based on user searches made on Cheapflights and were last updated on 22 October 2026.
If Heathrow is not for you, choose from these other destinations located in Europe. Flight routes are based on user searches made on Cheapflights and were last updated on 22 October 2026.
Browse through some of the most popular routes that Finnair offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 22 October 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 22 October 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
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