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Cheap flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport from C$ 530

LHR — BKK
27 Nov — 4 Dec1
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 3/119:50 p.m. -
1 stop35h 50m
Thu 12/117:30 p.m. -
1 stop27h 25m
Deal found 26/10C$ 866
Wed 2/129:10 p.m. -
1 stop31h 00m
Thu 10/122:20 a.m. -
1 stop23h 50m
Deal found 27/10C$ 875
Sat 14/119:10 p.m. -
1 stop31h 00m
Mon 30/1112:10 p.m. -
1 stop39h 20m
Deal found 27/10C$ 877
Sat 14/119:10 p.m. -
1 stop36h 55m
Tue 8/122:20 a.m. -
1 stop23h 50m
Deal found 26/10C$ 878
Sun 15/119:10 p.m. -
1 stop31h 00m
Tue 9/22:20 a.m. -
1 stop23h 50m
Deal found 23/10C$ 880
Tue 24/1110:30 p.m. -
1 stop19h 50m
Tue 19/12:20 a.m. -
1 stop23h 50m
Deal found 26/10C$ 881
Fri 13/119:10 p.m. -
1 stop31h 00m
Fri 27/1112:10 p.m. -
1 stop38h 00m
Deal found 26/10C$ 888
Sun 1/1112:30 p.m. -
1 stop21h 05m
Sat 14/115:35 p.m. -
1 stop19h 50m
Deal found 25/10C$ 895
Fri 4/129:10 p.m. -
1 stop21h 10m
Thu 10/1212:10 p.m. -
1 stop38h 00m
Deal found 27/10C$ 905
Fri 20/119:10 p.m. -
1 stop21h 10m
Tue 1/126:10 p.m. -
1 stop32h 00m
Deal found 27/10C$ 906
Mon 2/119:10 p.m. -
1 stop31h 00m
Thu 3/1212:10 p.m. -
1 stop38h 00m
Deal found 26/10C$ 908

Find flight deals from Heathrow to Suvarnabhumi

Round-trip from

C$ 845

One-way from

C$ 530

Popular in

December

Cheapest in

May

Average price

C$ 1,324

Good one-way deal

C$ 823 or less
Hainan Airlines
  • Hainan Airlines
  • 22/2-23/3
  • 3 total stops
  • 60h 00m total
  • London to Bangkok
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Shenzhen Airlines
  • Shenzhen Airlines
  • 14/11-31/12
  • 1 total stop
  • 36h 55m total
  • London to Bangkok
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 146 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 55 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a one-way flight from London Heathrow to Bangkok Suvarnabhumi.
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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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Sat 21/11

9:10 p.m.-11:10 a.m.

1 stop31h 00m

Bangkok Suvarnabhumi

Wed 31/12

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

Nonstop0h 00m

C$ 540

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Wed 24/2

9:10 p.m.-1:20 a.m.

1 stop21h 10m

Bangkok Suvarnabhumi

Wed 31/12

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

Nonstop0h 00m

C$ 565
Quickest round-trip

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Tue 16/2

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$ 777

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Mon 15/3

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$ 816

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Sat 21/11

9:10 p.m.-5:05 p.m.

1 stop36h 55m

Bangkok Suvarnabhumi

Wed 20/1

2:20 a.m.-8:30 p.m.

1 stop25h 10m

C$ 878

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Sun 21/2

9:10 p.m.-1:20 a.m.

1 stop21h 10m

Bangkok Suvarnabhumi

Sat 20/3

6:10 p.m.-7:10 p.m.

1 stop32h 00m

C$ 895

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Thu 25/2

10:30 p.m.-5:05 p.m.

1 stop35h 35m

Bangkok Suvarnabhumi

Fri 19/3

2:20 a.m.-7:10 p.m.

1 stop23h 50m

C$ 895

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Sat 20/2

9:10 p.m.-11:10 a.m.

1 stop31h 00m

Bangkok Suvarnabhumi

Tue 23/3

2:20 a.m.-7:10 p.m.

1 stop23h 50m

C$ 895

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Tue 2/2

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$ 962

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Sun 6/12

11:00 a.m.-7:45 p.m.

2 stops25h 45m

Bangkok Suvarnabhumi

Wed 31/12

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

Nonstop0h 00m

C$ 968

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

Showing 1-10 of 24 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$ 1,108). Flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of C$ 1,779). 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$ 1,052 and C$ 1,481 in February.
The cheapest round-trip price found within the last 5 days was C$ 845 on Hainan Airlines (22 Feb-23 Mar).

Related info for your journey

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

    Airlines like Shenzhen Airlines and Oman Air fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport in about 14h 10m. The time it takes to get you to your destination can typically vary by up to 22h 45m. There are 9571 km between London Heathrow Airport and Bangkok Suvarnabhumi Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 (81%), Air Canada (78%) and TAP AIR PORTUGAL (78%).

  • What are the cheapest flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    Looking at all options, your cheapest flight can be booked for C$ 821. While the most popular route (London Heathrow - Bangkok Suvarnabhumi) can be booked for C$ 1,139 on average, our data indicates C$ 964 when flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport.

  • 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$ 1,108). Flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of C$ 1,779). 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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Can Cheapflights find flights from Heathrow to Suvarnabhumi with no change fees?

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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