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

LHR — BKK
6 May — 13 May1
1 adult

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

Finnair flights from Heathrow to Suvarnabhumi in 2025

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 1 May 2025.

One-way from

฿25,367

Return from

฿23,998

Popular in

July

Cheapest in

May

Average price (all airlines)

฿27,069
Finnair
  • Finnair
  • 30/7
  • 1 total stop
  • 38h 00m total
  • London to Bangkok
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Finnair
  • Finnair
  • 3/9-17/9
  • 2 total stops
  • 72h 35m total
  • London to Bangkok
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Highest demand for flights from London Heathrow to Bangkok Suvarnabhumi; 8% 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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  • Can I get a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport on Finnair for under ฿900?

    There are 1 flights available on Finnair from London Heathrow Airport to Bangkok Suvarnabhumi Airport for under ฿900. These prices can change based on many factors including date and time. To find LHR-BKK flight prices for your dates, click here.

  • How do most travelers feel about Finnair?

    The general consensus from 2,899 Cheapflights users is that Finnair is a 5.5/10. Select your travel dates above for updated prices on flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport (LHR-BKK).

Find Finnair flight deals from Heathrow to Suvarnabhumi

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 1 May 2025.

Fri 9/518:10LHR - BKK
2 stops32h 30mFinnair
Sun 25/513:20BKK - LHR
2 stops25h 50mFinnair
Deal found 30/4฿29,706

Travel insights for Finnair flights from Heathrow to Suvarnabhumi

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

How far ahead should I book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport with Finnair?

Use this chart to determine the optimal time to book a return flight from Heathrow to Suvarnabhumi. Price data was last updated on 25 April 2025.

Booking with Finnair 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport with Finnair?

Currently, the most affordable month to book a Finnair flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport in May, with an average price of ฿19,359. Conversely, traveling with Finnair from London Heathrow Airport to Bangkok Suvarnabhumi Airport in December will be the most expensive, with an average cost of ฿35,747. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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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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 1 May 2025.
Finnair
7.6
Good
1,275 reviews
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Overview

Comfort

7.4

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

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