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

BKK — LHR
22 Nov — 29 Nov1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Bangkok to London on Finnair typically fly into London Heathrow and depart from Bangkok Suvarnabhumi. Select your dates above for pricing.

Finnair flights from Suvarnabhumi to Heathrow in 2025

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 23 October 2025.

One-way from

฿20,698

Return from

฿25,783

Popular in

April

Cheapest in

November

Average price (all airlines)

฿32,803
Finnair
  • Finnair
  • 7/1
  • 1 total stop
  • 36h 40m total
  • Bangkok to London
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Finnair
  • Finnair
  • 2/12-16/12
  • 2 total stops
  • 47h 45m total
  • Bangkok to London
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Highest demand for flights from Bangkok Suvarnabhumi to London Heathrow; 0% potential price increase.
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Best time to find cheap flights from Bangkok Suvarnabhumi to London Heathrow; 0% potential price drop.
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Average price for all Bangkok Suvarnabhumi to London Heathrow flights (one-way and round-trip).
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  • Can I get a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport on Finnair for under ฿32,803?

    Cheapflights currently has 5 BKK-LHR flights for under ฿32,803. 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.

  • How do most travelers feel about Finnair?

    The average rating from 1,333 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.

Find Finnair flight deals from Suvarnabhumi to Heathrow

Enter your travel dates to find the best prices.

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 23 October 2025.

Thu 27/1108:00BKK - LHR
1 stop19h 40mFinnair
Thu 11/1207:30LHR - BKK
1 stop22h 45mFinnair
Deal found 22/10฿25,848
Fri 14/1115:00BKK - LHR
1 stop33h 00mFinnair
Sun 28/1218:10LHR - BKK
1 stop36h 05mFinnair
Deal found 21/10฿27,817
Fri 28/1108:05BKK - LHR
1 stop38h 10mFinnair
Tue 16/1207:30LHR - BKK
1 stop22h 45mFinnair
Deal found 22/10฿28,112

Travel insights for Finnair flights from Suvarnabhumi to Heathrow

Get recent, data-driven insights about Finnair flights from Suvarnabhumi to Heathrow including ideal travel times, pricing trends, and more.

Rainfall in Heathrow by month

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.
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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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 23 October 2025.
Finnair
7.6
Good
1,333 reviews
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Overview

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Food

6.7

Crew

8.1

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