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Finnair flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport (LHR - BKK)

LHR — BKK
18 Jul — 25 Jul1
1 adult
1 adult, Economy, 0 bags

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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 18 June 2026.

Fri 24/718:10
LHR
-
BKK
1 stop29h 20m
Finnair
Sun 18/1007:05
BKK
-
LHR
1 stop19h 35m
Finnair
Deal found 15/6฿32,578
Tue 28/718:10
LHR
-
BKK
1 stop29h 20m
Finnair
Tue 8/907:05
BKK
-
LHR
1 stop19h 35m
Finnair
Deal found 17/6฿32,969
Sat 25/718:10
LHR
-
BKK
1 stop29h 20m
Finnair
Wed 23/907:05
BKK
-
LHR
1 stop19h 35m
Finnair
Deal found 13/6฿33,751

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 18 June 2026.

One-way from

฿21,730

Return from

฿26,877

Popular in

December

Cheapest in

September

Average price (all airlines)

฿27,105
Finnair
  • Finnair
  • 24/7
  • 1 total stop
  • 29h 20m total
  • London to Bangkok
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Finnair
  • Finnair
  • 8/10-29/10
  • 2 total stops
  • 45h 10m total
  • London to Bangkok
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Highest demand for flights from London Heathrow to Bangkok Suvarnabhumi; 5% potential price increase.
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Best time to find cheap flights from London Heathrow to Bangkok Suvarnabhumi; 2% potential price drop.
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Average price for all London Heathrow to Bangkok Suvarnabhumi flights (one-way and round-trip).
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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.
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 18 June 2026.
กัลฟ์แอร์ flights from London Heathrow to Bangkok Suvarnabhumi

See what others are saying about Finnair

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 18 June 2026.
Finnair
7.6
Good
1,412 reviews
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Overview

Food

6.7

Crew

8.2

Entertainment

6.9

Comfort

7.4

Boarding

7.7

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