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Cheap flights from London Heathrow Airport to Bangkok from C$ 500

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 7/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from London Heathrow Airport to Bangkok

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Eastern Logo
9:20 p.m. - 8:55 p.m.
LHR
-
BKK
17h 35m
1 stop
China Eastern Logo
5:05 a.m. - 6:40 p.m.
BKK
-
LHR
19h 35m
1 stop
C$ 761China Eastern
Thu, 7 May - Tue, 19 May
China Eastern Logo
9:00 p.m. - 12:55 a.m.
LHR
-
BKK
20h 55m
1 stop
China Eastern Logo
9:55 p.m. - 6:40 p.m.
BKK
-
LHR
26h 45m
1 stop
C$ 763China Eastern
Wed, 4 Mar - Fri, 3 Apr
China Eastern Logo
9:00 p.m. - 10:25 p.m.
LHR
-
BKK
18h 25m
1 stop
China Eastern Logo
5:45 a.m. - 5:30 p.m.
BKK
-
LHR
18h 45m
1 stop
C$ 765China Eastern
Wed, 18 Feb - Thu, 5 Mar
China Eastern Logo
9:00 p.m. - 10:25 p.m.
LHR
-
BKK
18h 25m
1 stop
China Eastern Logo
7:55 p.m. - 5:30 p.m.
BKK
-
LHR
28h 35m
1 stop
C$ 771China Eastern
Wed, 18 Feb - Mon, 16 Mar
China Eastern Logo
9:00 p.m. - 4:45 a.m.
LHR
-
BKK
24h 45m
1 stop
China Eastern Logo
5:05 a.m. - 5:30 p.m.
BKK
-
LHR
19h 25m
1 stop
C$ 772China Eastern
Tue, 17 Feb - Mon, 9 Mar
China Eastern Logo
9:00 p.m. - 11:55 p.m.
LHR
-
BKK
19h 55m
1 stop
China Eastern Logo
7:55 p.m. - 5:30 p.m.
BKK
-
LHR
28h 35m
1 stop
C$ 775China Eastern
Sun, 8 Mar - Mon, 16 Mar
China Eastern Logo
9:00 p.m. - 10:25 p.m.
LHR
-
BKK
18h 25m
1 stop
China Eastern Logo
9:05 p.m. - 5:30 p.m.
BKK
-
LHR
27h 25m
2 stops
C$ 780China Eastern
Wed, 18 Feb - Fri, 13 Mar
China Eastern Logo
9:20 p.m. - 8:55 p.m.
LHR
-
BKK
17h 35m
1 stop
China Eastern Logo
5:05 a.m. - 6:40 p.m.
BKK
-
LHR
19h 35m
1 stop
C$ 782China Eastern
Tue, 5 May - Sun, 17 May
China Eastern Logo
9:00 p.m. - 4:45 a.m.
LHR
-
BKK
24h 45m
1 stop
China Eastern Logo
7:50 a.m. - 5:30 p.m.
BKK
-
LHR
40h 40m
2 stops
C$ 785China Eastern
Tue, 17 Feb - Tue, 10 Mar
China Eastern Logo
9:20 p.m. - 8:55 p.m.
LHR
-
BKK
17h 35m
1 stop
China Eastern Logo
2:10 a.m. - 6:40 p.m.
BKK
-
LHR
22h 30m
1 stop
C$ 791China Eastern
Tue, 5 May - Fri, 15 May

Shenzhen Airlines flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Our best Shenzhen Airlines deals on London Heathrow Airport to Bangkok Suvarnabhumi Airport flight tickets
Shenzhen Airlines
11 Mar
LHR9:10 p.m.London Heathrow
31h 00m
1 stop
BKK11:10 a.m.Bangkok Suvarnabhumi
7 May
BKK7:30 p.m.Bangkok Suvarnabhumi
30h 30m
1 stop
LHR8:00 p.m.London Heathrow
C$ 831
Shenzhen Airlines
18 Feb
LHR9:10 p.m.London Heathrow
22h 05m
1 stop
BKK2:15 a.m.Bangkok Suvarnabhumi
3 Mar
BKK7:30 p.m.Bangkok Suvarnabhumi
30h 40m
1 stop
LHR7:10 p.m.London Heathrow
C$ 835
Shenzhen Airlines
4 Mar
LHR9:10 p.m.London Heathrow
22h 05m
1 stop
BKK2:15 a.m.Bangkok Suvarnabhumi
17 Mar
BKK7:30 p.m.Bangkok Suvarnabhumi
30h 40m
1 stop
LHR7:10 p.m.London Heathrow
C$ 842

Air India flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Our best Air India deals on London Heathrow Airport to Bangkok Suvarnabhumi Airport flight tickets
Air India
24 Feb
LHR1:00 p.m.London Heathrow
18h 10m
1 stop
BKK2:10 p.m.Bangkok Suvarnabhumi
11 Mar
BKK8:50 p.m.Bangkok Suvarnabhumi
21h 15m
1 stop
LHR11:05 a.m.London Heathrow
C$ 843
Air India
25 Feb
LHR8:30 p.m.London Heathrow
16h 05m
1 stop
BKK7:35 p.m.Bangkok Suvarnabhumi
22 Mar
BKK8:50 p.m.Bangkok Suvarnabhumi
21h 15m
1 stop
LHR11:05 a.m.London Heathrow
C$ 846
Air India
4 Mar
LHR8:45 a.m.London Heathrow
16h 05m
1 stop
BKK7:50 a.m.Bangkok Suvarnabhumi
19 Mar
BKK8:50 p.m.Bangkok Suvarnabhumi
21h 15m
1 stop
LHR11:05 a.m.London Heathrow
C$ 864

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 27 January 2026.
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

Thu 7/5

9:20 p.m.-8:55 p.m.

1 stop17h 35m

Bangkok Suvarnabhumi

Tue 19/5

5:05 a.m.-6:40 p.m.

1 stop19h 35m

C$ 761

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 4/3

9:00 p.m.-12:55 a.m.

1 stop20h 55m

Bangkok Suvarnabhumi

Fri 3/4

9:55 p.m.-6:40 p.m.

1 stop26h 45m

C$ 763

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 18/2

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

1 stop18h 25m

Bangkok Suvarnabhumi

Thu 5/3

5:45 a.m.-5:30 p.m.

1 stop18h 45m

C$ 765

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 18/2

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

1 stop18h 25m

Bangkok Suvarnabhumi

Mon 16/3

7:55 p.m.-5:30 p.m.

1 stop28h 35m

C$ 771

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 17/2

9:00 p.m.-4:45 a.m.

1 stop24h 45m

Bangkok Suvarnabhumi

Mon 9/3

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

1 stop19h 25m

C$ 772

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 8/3

9:00 p.m.-11:55 p.m.

1 stop19h 55m

Bangkok Suvarnabhumi

Mon 16/3

7:55 p.m.-5:30 p.m.

1 stop28h 35m

C$ 775

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 18/2

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

1 stop18h 25m

Bangkok Suvarnabhumi

Fri 13/3

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

2 stops27h 25m

C$ 780

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 5/5

9:20 p.m.-8:55 p.m.

1 stop17h 35m

Bangkok Suvarnabhumi

Sun 17/5

5:05 a.m.-6:40 p.m.

1 stop19h 35m

C$ 782

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 17/2

9:00 p.m.-4:45 a.m.

1 stop24h 45m

Bangkok Suvarnabhumi

Tue 10/3

7:50 a.m.-5:30 p.m.

2 stops40h 40m

C$ 785

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 5/5

9:20 p.m.-8:55 p.m.

1 stop17h 35m

Bangkok Suvarnabhumi

Fri 15/5

2:10 a.m.-6:40 p.m.

1 stop22h 30m

C$ 791

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, September 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$ 1,114. If you’re not able to fly to Bangkok Suvarnabhumi Airport in September, then May is your next best option. Flight prices from London Heathrow Airport to Bangkok Suvarnabhumi Airport during May average around C$ 1,121.

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$ 977. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, 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$ 1,849.

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$ 977. In the morning is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around C$ 1,508 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$ 1,280 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$ 1,196 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 January 2026, prices for London Heathrow Airport to Bangkok Suvarnabhumi Airport flights are approximately 11% 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

Fastest flight time

11h 40m

Direct flights

Every day
The fastest flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport takes 11h 40m
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 11h 40m.

  • 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$ 736Free CancellationRating
7.8
380 reviews
Search Thai Airways flights
EVA AirPriceFrom C$ 1,235Free CancellationRating
8.4
1,334 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$ 1,235. Generally, EVA Air has 14 flights on this route every week with an average price of C$ 1,325. 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$ 736, round-trip. It should be noted that an average Thai Airways flight deal for this route in this time was higher, at C$ 1,531 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. 380 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
Pak Chong

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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