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Cheap flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport from C$ 560

LHR — BKK
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Suvarnabhumi

Tue 13/1010:40 p.m. -
1 stop37h 40m
Wed 25/111:30 a.m. -
1 stop23h 20m
Deal found 6/9C$ 791
Thu 29/109:30 p.m. -
1 stop32h 00m
Thu 5/113:15 p.m. -
1 stop31h 40m
Deal found 7/9C$ 801
Mon 2/118:25 p.m. -
1 stop20h 45m
Tue 10/111:30 a.m. -
1 stop23h 20m
Deal found 7/9C$ 829
Wed 11/119:00 p.m. -
1 stop20h 55m
Sun 15/113:00 a.m. -
2 stops21h 30m
Deal found 6/9C$ 840
Wed 4/117:45 p.m. -
1 stop31h 20m
Sun 8/1111:10 a.m. -
2 stops38h 05m
Deal found 7/9C$ 856
Thu 5/119:00 p.m. -
1 stop18h 25m
Tue 10/115:05 a.m. -
1 stop19h 25m
Deal found 7/9C$ 862
Tue 3/119:00 p.m. -
1 stop20h 55m
Mon 9/115:05 a.m. -
1 stop19h 25m
Deal found 7/9C$ 864
Tue 3/119:00 p.m. -
1 stop18h 25m
Thu 12/115:05 a.m. -
1 stop19h 25m
Deal found 7/9C$ 866
Thu 5/119:00 p.m. -
1 stop18h 25m
Mon 9/115:05 a.m. -
1 stop19h 25m
Deal found 7/9C$ 867
Mon 2/119:00 p.m. -
2 stops30h 05m
Tue 10/117:10 p.m. -
1 stop28h 10m
Deal found 7/9C$ 871
Wed 4/119:00 p.m. -
1 stop24h 05m
Sun 8/117:05 p.m. -
1 stop29h 25m
Deal found 7/9C$ 873

Find flight deals from Heathrow to Suvarnabhumi

Round-trip from

C$ 791

One-way from

C$ 560

Popular in

December

Cheapest in

May

Average price

C$ 1,132
Air China
  • Air China
  • 13/10-25/11
  • 2 total stops
  • 61h 00m total
  • London to Bangkok
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Hainan Airlines
  • Hainan Airlines
  • 20/1-31/12
  • 1 total stop
  • 31h 20m total
  • London to Bangkok
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Highest demand for flights based on searches. 6% potential increase in price (C$ 120 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 53 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport that are best for you.

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Price

Cheapest round-trip

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Mon 5/10

8:50 p.m.-6:55 a.m.

1 stop28h 05m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 578

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Fri 27/11

8:05 p.m.-6:45 a.m.

1 stop27h 40m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 578

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Tue 23/2

9:00 a.m.-10:45 a.m.

2 stops18h 45m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 911

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Sun 1/11

8:25 a.m.-6:45 a.m.

1 stop15h 20m

Bangkok Suvarnabhumi

Sat 14/11

9:00 a.m.-5:55 a.m.

1 stop27h 55m

C$ 968

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Thu 8/10

8:50 p.m.-5:45 p.m.

1 stop14h 55m

Bangkok Suvarnabhumi

Mon 19/10

7:10 p.m.-7:10 p.m.

1 stop30h 00m

C$ 971

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Thu 5/11

8:05 p.m.-6:45 a.m.

1 stop27h 40m

Bangkok Suvarnabhumi

Sat 7/11

9:00 a.m.-6:25 p.m.

1 stop16h 25m

C$ 972

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Wed 23/9

8:50 p.m.-6:55 a.m.

1 stop28h 05m

Bangkok Suvarnabhumi

Fri 25/9

9:00 a.m.-6:30 a.m.

1 stop27h 30m

C$ 972

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Wed 7/10

7:40 a.m.-2:25 p.m.

2 stops24h 45m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 975

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Thu 1/10

8:50 a.m.-2:25 p.m.

2 stops23h 35m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 975

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Tue 6/10

8:50 a.m.-2:25 p.m.

2 stops23h 35m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 976

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 22 resultsSorted by cheapest first
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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 round-trip price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport (average of C$ 1,092). Flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of C$ 1,723). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to BKK?

When flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

Airfare is below average for this route at the moment.

London Heathrow Airport to Bangkok Suvarnabhumi Airport flights typically cost between C$ 990 and C$ 1,370 in October.
The cheapest round-trip price found within the last 5 days was C$ 791 on Air China (13 Oct-25 Nov).

Related info for your journey

  • How long is the flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    Airlines like Oman Air fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport in about 15h 20m. The time it takes to get you to your destination can typically vary by up to . There are 9571 km between London Heathrow Airport and Bangkok Suvarnabhumi Airport.

  • What are the most reliable airlines from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    The top 3 most reliable airlines when flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport are Thai Airways (84%), EVA Air (84%) and Air Canada (82%).

  • Can I find deals for flights from Heathrow to Suvarnabhumi that include hotel bookings?

    Yes. In addition to deals on Heathrow to Suvarnabhumi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Suvarnabhumi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Suvarnabhumi.

  • Can I find deals for business class flights from Heathrow to Suvarnabhumi?

    Yes. Cheapflights offers flight deals from Heathrow to Suvarnabhumi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport (average of C$ 1,092). Flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of C$ 1,723). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Ko Lan
Cha-am
Ko Samet

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Certainly. Search results for flights to Suvarnabhumi from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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