Flights
Insights
FAQs

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

BKK — LHR
15 Mar — 22 Mar1
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 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 13 February 2026.

One-way from

฿22,984

Return from

฿28,195

Popular in

April

Cheapest in

November

Average price (all airlines)

฿31,296
Finnair
  • Finnair
  • 15/4
  • 2 total stops
  • 24h 10m total
  • Bangkok to London
Search Deals
Finnair
  • Finnair
  • 27/3-30/3
  • 2 total stops
  • 64h 20m total
  • Bangkok to London
Search Deals
Highest demand for flights from Bangkok Suvarnabhumi to London Heathrow; 3% potential price increase.
Search Deals
Best time to find cheap flights from Bangkok Suvarnabhumi to London Heathrow; 1% potential price drop.
Search Deals
Average price for all Bangkok Suvarnabhumi to London Heathrow flights (one-way and round-trip).
Search Deals

  • How do most travelers feel about Finnair?

    The average rating from 1,362 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 ฿34,119?

    Cheapflights currently has 8 BKK-LHR flights for under ฿34,119. 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.

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 13 February 2026.

Fri 27/315:00
BKK
-
LHR
1 stop33h 00m
Finnair
Mon 30/316:10
LHR
-
BKK
1 stop31h 20m
Finnair
Deal found 13/2฿28,195
Thu 12/315:00
BKK
-
LHR
1 stop36h 40m
Finnair
Thu 26/318:10
LHR
-
BKK
1 stop28h 55m
Finnair
Deal found 12/2฿33,157
Wed 18/315:05
BKK
-
LHR
2 stops25h 05m
Finnair
Thu 26/316:15
LHR
-
BKK
1 stop30h 50m
Finnair
Deal found 12/2฿35,018

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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 13 February 2026.
Finnair flights from Suvarnabhumi to Helsinki
Finnair flights from Suvarnabhumi to Hamburg
Finnair flights from Suvarnabhumi to Berlin
Finnair flights from Suvarnabhumi to Duesseldorf Intl
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 13 February 2026.
Finnair
7.6
Good
1,362 reviews
Check prices
Overview

Entertainment

6.9

Comfort

7.4

Boarding

7.7

Crew

8.2

Food

6.7

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.