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Cheap flights from London Heathrow Airport to Bangkok from C$ 572

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Bangkok departing on 26/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Bangkok

Cheap round-trip flights

Shenzhen Airlines Logo
9:10 p.m. - 2:15 a.m.LHR-BKK
22h 05m1 stop
Shenzhen Airlines Logo
12:10 p.m. - 7:10 p.m.BKK-LHR
38h 00m1 stop
C$ 834Shenzhen Airlines
Find Deal
Fri, 14 Nov - Thu, 11 Dec
Shenzhen Airlines Logo
9:10 p.m. - 2:15 a.m.LHR-BKK
22h 05m1 stop
Shenzhen Airlines Logo
3:15 a.m. - 7:10 p.m.BKK-LHR
22h 55m1 stop
C$ 835Shenzhen Airlines
Find Deal
Mon, 3 Nov - Thu, 20 Nov
Shenzhen Airlines Logo
9:10 p.m. - 11:10 a.m.LHR-BKK
31h 00m1 stop
Shenzhen Airlines Logo
3:15 a.m. - 7:10 p.m.BKK-LHR
22h 55m1 stop
C$ 837Shenzhen Airlines
Find Deal
Fri, 7 Nov - Tue, 18 Nov
Shenzhen Airlines Logo
9:10 p.m. - 2:15 a.m.LHR-BKK
22h 05m1 stop
Shenzhen Airlines Logo
3:15 a.m. - 7:10 p.m.BKK-LHR
22h 55m1 stop
C$ 840Shenzhen Airlines
Find Deal
Wed, 29 Oct - Tue, 4 Nov
Logo
4:40 p.m. - 2:50 p.m.LHR-BKK
15h 10m1 stop
Logo
11:40 p.m. - 8:20 a.m.BKK-LHR
14h 40m1 stop
C$ 848
Find Deal
Wed, 25 Feb - Thu, 11 Jun
SWISS Logo
1:45 p.m. - 10:45 a.m.LHR-BKK
14h 00m1 stop
SWISS Logo
12:50 p.m. - 7:55 a.m.BKK-LHR
25h 05m1 stop
C$ 849SWISS
Find Deal
Thu, 26 Feb - Wed, 10 Jun
Austrian Airlines Logo
2:50 p.m. - 3:30 p.m.LHR-BKK
17h 40m1 stop
Austrian Airlines Logo
11:40 p.m. - 8:20 a.m.BKK-LHR
14h 40m1 stop
C$ 851Austrian Airlines
Find Deal
Tue, 24 Feb - Thu, 11 Jun
Logo
2:50 p.m. - 12:20 p.m.LHR-BKK
14h 30m1 stop
Logo
11:30 p.m. - 8:05 a.m.BKK-LHR
15h 35m1 stop
C$ 855
Find Deal
Mon, 2 Feb - Sun, 15 Feb
China Eastern Logo
9:00 p.m. - 10:25 p.m.LHR-BKK
18h 25m1 stop
China Eastern Logo
9:05 p.m. - 5:30 p.m.BKK-LHR
27h 25m2 stops
C$ 880China Eastern
Find Deal
Fri, 7 Nov - Sun, 7 Dec
Austrian Airlines Logo
2:50 p.m. - 3:30 p.m.LHR-BKK
17h 40m1 stop
Austrian Airlines Logo
11:50 p.m. - 2:05 p.m.BKK-LHR
21h 15m1 stop
C$ 884Austrian Airlines
Find Deal
Mon, 9 Feb - Mon, 16 Mar

Etihad Airways flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Our best Etihad Airways deals on London Heathrow Airport to Bangkok Suvarnabhumi Airport flight tickets
Etihad Airways
15 Sep
LHR2:45 p.m.London Heathrow
27h 10m
1 stop
BKK11:55 p.m.Bangkok Suvarnabhumi
28 Sep
BKK2:55 a.m.Bangkok Suvarnabhumi
18h 20m
1 stop
LHR3:15 p.m.London Heathrow
C$ 874
Find similar
Etihad Airways
1 Oct
LHR2:45 p.m.London Heathrow
27h 10m
1 stop
BKK11:55 p.m.Bangkok Suvarnabhumi
10 Nov
BKK2:55 a.m.Bangkok Suvarnabhumi
18h 35m
1 stop
LHR2:30 p.m.London Heathrow
C$ 939
Find similar
Etihad Airways
18 Sep
LHR2:45 p.m.London Heathrow
34h 35m
1 stop
BKK7:20 a.m.Bangkok Suvarnabhumi
7 Oct
BKK10:05 a.m.Bangkok Suvarnabhumi
35h 10m
1 stop
LHR3:15 p.m.London Heathrow
C$ 941
Find similar

SWISS flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Our best SWISS deals on London Heathrow Airport to Bangkok Suvarnabhumi Airport flight tickets
SWISS
26 Feb
LHR1:45 p.m.London Heathrow
14h 00m
1 stop
BKK10:45 a.m.Bangkok Suvarnabhumi
10 Jun
BKK12:50 p.m.Bangkok Suvarnabhumi
25h 05m
1 stop
LHR7:55 a.m.London Heathrow
C$ 849
Find similar
SWISS
16 Sep
LHR6:40 p.m.London Heathrow
33h 05m
1 stop
BKK9:45 a.m.Bangkok Suvarnabhumi
18 Sep
BKK12:35 p.m.Bangkok Suvarnabhumi
25h 20m
1 stop
LHR7:55 a.m.London Heathrow
C$ 973
Find similar
SWISS
21 Sep
LHR8:55 a.m.London Heathrow
18h 50m
2 stops
BKK9:45 a.m.Bangkok Suvarnabhumi
6 Oct
BKK12:35 p.m.Bangkok Suvarnabhumi
15h 10m
1 stop
LHR9:45 p.m.London Heathrow
C$ 1,018
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 11 September 2025.
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

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 14/11

9:10 p.m.-2:15 a.m.

1 stop22h 05m

Bangkok Suvarnabhumi

Thu 11/12

12:10 p.m.-7:10 p.m.

1 stop38h 00m

C$ 834

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 3/11

9:10 p.m.-2:15 a.m.

1 stop22h 05m

Bangkok Suvarnabhumi

Thu 20/11

3:15 a.m.-7:10 p.m.

1 stop22h 55m

C$ 835

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 7/11

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

1 stop31h 00m

Bangkok Suvarnabhumi

Tue 18/11

3:15 a.m.-7:10 p.m.

1 stop22h 55m

C$ 837

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 29/10

9:10 p.m.-2:15 a.m.

1 stop22h 05m

Bangkok Suvarnabhumi

Tue 4/11

3:15 a.m.-7:10 p.m.

1 stop22h 55m

C$ 840

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 25/2

4:40 p.m.-2:50 p.m.

1 stop15h 10m

Bangkok Suvarnabhumi

Thu 11/6

11:40 p.m.-8:20 a.m.

1 stop14h 40m

C$ 848

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 26/2

1:45 p.m.-10:45 a.m.

1 stop14h 00m

Bangkok Suvarnabhumi

Wed 10/6

12:50 p.m.-7:55 a.m.

1 stop25h 05m

C$ 849

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 24/2

2:50 p.m.-3:30 p.m.

1 stop17h 40m

Bangkok Suvarnabhumi

Thu 11/6

11:40 p.m.-8:20 a.m.

1 stop14h 40m

C$ 851

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 2/2

2:50 p.m.-12:20 p.m.

1 stop14h 30m

Bangkok Suvarnabhumi

Sun 15/2

11:30 p.m.-8:05 a.m.

1 stop15h 35m

C$ 855

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 7/11

9:00 p.m.-10:25 p.m.

1 stop18h 25m

Bangkok Suvarnabhumi

Sun 7/12

9:05 p.m.-5:30 p.m.

2 stops27h 25m

C$ 880

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 9/2

2:50 p.m.-3:30 p.m.

1 stop17h 40m

Bangkok Suvarnabhumi

Mon 16/3

11:50 p.m.-2:05 p.m.

1 stop21h 15m

C$ 884

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bangkok from

How to get the cheapest flight ticket from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London Heathrow Airport and Bangkok Suvarnabhumi Airport?

What is the cheapest month to fly to Bangkok Suvarnabhumi Airport?

In general, May is the cheapest month to fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 1,144. If you’re not able to fly to Bangkok Suvarnabhumi Airport in May, then June is your next best option. Flight prices from London Heathrow Airport to Bangkok Suvarnabhumi Airport during June average around C$ 1,153.

What is the cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport?

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Wednesday when prices can be found for as low as C$ 1,086. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Bangkok Suvarnabhumi Airport for around C$ 1,800.

What is the cheapest time of day to depart on your flight to Bangkok Suvarnabhumi Airport?

Our data shows that the cheapest London Heathrow Airport to Bangkok Suvarnabhumi Airport flights are usually those with departure times in the afternoon. Our users have found flights to Bangkok Suvarnabhumi Airport in the afternoon for as low as C$ 1,001. In the morning is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around C$ 1,528 per ticket.

What is the cheapest London Heathrow to Bangkok Suvarnabhumi flight route?

Fly from London Heathrow to Bangkok Suvarnabhumi for the best London Heathrow - Bangkok Suvarnabhumi flight prices

How far in advance should I book a flight to Bangkok Suvarnabhumi Airport?

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around C$ 1,308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from London Heathrow Airport for as low as C$ 1,212 on momondo.

What cabin class options are available on London Heathrow to Bangkok Suvarnabhumi flights?

There are 3 cabin classes available to choose from on London Heathrow to Bangkok Suvarnabhumi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Bangkok Suvarnabhumi Airport flight prices changed over time?

As of September 2025, prices for London Heathrow Airport to Bangkok Suvarnabhumi Airport flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Bangkok Suvarnabhumi Airport (LHR to BKK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Best price found

C$ 1,246

Fastest flight time

11h 25m

Direct flights

Every day
The best flight deal from London Heathrow Airport to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is C$ 1,246
The fastest flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport takes 11h 25m
Direct flights go from London Heathrow Airport to Bangkok Suvarnabhumi Airport every day.
Search flight deals

  • How far is London Heathrow to Bangkok Suvarnabhumi by plane?

    Bangkok Suvarnabhumi is 9570.2 km away from London Heathrow. A reasonable flight in good conditions will take 13h 05m.

  • When did momondo last update prices for flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    Prices for flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

  • How old do you have to be to fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Bangkok Suvarnabhumi Airport.

  • What documentation or ID do you need to fly to Bangkok Suvarnabhumi Airport?

    The required travel and health documents for your Bangkok Suvarnabhumi Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bangkok Suvarnabhumi Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

  • What is the most popular airline from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

Best airlines flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport with momondo
Airline
Rating
Free Cancellation
Price
Thai AirwaysPriceFrom C$ 746Free CancellationRating
7.8
350 reviews
Search Thai Airways flights
EVA AirPriceFrom C$ 1,252Free CancellationRating
8.4
1,236 reviews
Search EVA Air flights

  • EVA Air Flights From London Heathrow Airport to Bangkok Suvarnabhumi Airport

    The lowest priced EVA Air flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport from the last 72 hours was C$ 904. Generally, EVA Air has 14 flights on this route every week with an average price of C$ 1,017. EVA Air is rated 8.4/10 by our users.

  • Thai Airways Flights From London Heathrow Airport to Bangkok Suvarnabhumi Airport

    The best Thai Airways deal for London Heathrow Airport to Bangkok Suvarnabhumi Airport flight tickets found on momondo in the last 72 hours was C$ 538, round-trip. It should be noted that an average Thai Airways flight deal for this route in this time was higher, at C$ 1,140 round-trip. Thai Airways operates 21 flights out of London Heathrow Airport into Bangkok Suvarnabhumi Airport in an average week, so prices vary by time and availability. 350 Thai Airways reviews by users on momondo have scored the airline at 7.8/10.

Travelling to a place near Bangkok?

Book flights to Bangkok if you plan to visit one of these locations
Pattaya
Ko Samet
Ko Lan
Chonburi
Cha-am
Kanchanaburi
Sattahip

Why use momondo?

Why should I use momondo to find a flight deal from London to Bangkok?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Bangkok for you.

Can I find flights from London to Bangkok with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Bangkok from London with this policy.

How can momondo help me find flights from London to Bangkok?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Bangkok.

I’m not ready to book a flight from London to Bangkok right now. Can momondo alert me if prices change?

Price alerts on flights to Bangkok from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Bangkok Suvarnabhumi Airport trip

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Find better results for your trip to Bangkok

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Popular flights according to clicks in the last 7 days on momondo
Flights to Bangkok Don Mueang Intl Airportfrom C$ 1,144