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

BKK — LHR
20 Jan — 27 Jan1
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 21 December 2025.

One-way from

฿25,210

Return from

฿33,436

Popular in

April

Cheapest in

November

Average price (all airlines)

฿31,929
Finnair
  • Finnair
  • 9/4
  • 2 total stops
  • 34h 35m total
  • Bangkok to London
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Finnair
  • Finnair
  • 3/4-24/4
  • 3 total stops
  • 57h 45m total
  • Bangkok to London
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Highest demand for flights from Bangkok Suvarnabhumi to London Heathrow; 1% 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 ฿34,534?

    Cheapflights currently has 1 BKK-LHR flights for under ฿34,534. 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 1,339 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 21 December 2025.

Thu 1/108:00BKK - LHR
1 stop19h 40mFinnair
Sun 4/113:35LHR - BKK
1 stop33h 30mFinnair
Deal found 20/12฿34,472
Fri 16/115:05BKK - LHR
2 stops25h 05mFinnair
Thu 19/316:15LHR - BKK
1 stop30h 50mFinnair
Deal found 20/12฿34,786
Sun 25/108:00BKK - LHR
1 stop19h 40mFinnair
Tue 17/210:20LHR - BKK
2 stops30h 55mFinnair
Deal found 20/12฿35,665

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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Other Finnair flights from Suvarnabhumi

Browse through other Finnair flights departing from Suvarnabhumi. Flight routes are based on user searches made on Cheapflights and were last updated on 21 December 2025.
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Finnair flights from Suvarnabhumi to Heathrow
Finnair flights from Suvarnabhumi to Gothenburg

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 21 December 2025.
Finnair
7.6
Good
1,339 reviews
Check prices
Overview

Boarding

7.6

Crew

8.1

Food

6.7

Comfort

7.4

Entertainment

6.9

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