How many flights depart from London Heathrow Airport to Bangkok on average per week?

As of December 2025, there are 49 flights per week flying from London Heathrow Airport to Bangkok. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Which airline has the best punctuality record on London to Bangkok flights?

According to our data, EVA Air have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

How many flights depart from London Heathrow Airport to Bangkok on average per day?

As of December 2025, 7 flights take off from London Heathrow Airport and land in Bangkok each day. The most common flight departure time for this route is 21:00, with 71% of daily flights taking off in the evening.

How often are flights from London to Bangkok delayed?

Historically, on average around 18% of flights between London and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 86 minutes.

Which airlines fly to Bangkok?

Thai Airways, EVA Air and Etihad Airways are the top three most popular airlines that fly to Bangkok from London Heathrow Airport according to our data. Thai Airways is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Bangkok. Keep in mind that there are 37 different airlines that fly to Bangkok on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London Heathrow to Bangkok?

Shenzhen Airlines and SAUDIA are the most popular carriers operating from London Heathrow to Bangkok

What is the most punctual flight time for London to Bangkok flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

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

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

As of December 2025, there are 37 operators available to choose from for flights from London Heathrow Airport to Bangkok.

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

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.

What documentation or ID do you need to fly to Bangkok?

The required travel and health documents for your Bangkok 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£294 Cheap Flights from London Heathrow Airport to Bangkok in 2025/26

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22:00 - 01:05

LHR

BKK

20h 05m1 stop

19:15 - 17:55

BKK

LHR

29h 40m2 stops

£440China Southern

Sat, 24 Jan - Wed, 4 Feb

19:45 - 10:05

LHR

BKK

31h 20m1 stop

11:10 - 17:35

BKK

LHR

37h 25m2 stops

£441Hainan Airlines

Wed, 7 Jan - Thu, 22 Jan

17:40 - 00:10

LHR

BKK

23h 30m1 stop

01:30 - 17:50

BKK

LHR

23h 20m1 stop

£442Air China

Tue, 3 Feb - Thu, 12 Feb

17:40 - 00:10

LHR

BKK

23h 30m1 stop

23:50 - 15:55

BKK

LHR

23h 05m1 stop

£443Air China

Tue, 13 Jan - Tue, 20 Jan

21:00 - 00:55

LHR

BKK

20h 55m1 stop

11:10 - 17:55

BKK

LHR

37h 45m2 stops

£443Multiple Airlines

Sun, 11 Jan - Sun, 8 Mar

21:00 - 22:25

LHR

BKK

18h 25m1 stop

11:10 - 17:55

BKK

LHR

37h 45m2 stops

£444Multiple Airlines

Mon, 12 Jan - Sun, 8 Mar

21:00 - 10:05

LHR

BKK

30h 05m2 stops

19:10 - 16:20

BKK

LHR

28h 10m1 stop

£445Hainan Airlines

Mon, 5 Jan - Tue, 20 Jan

20:25 - 00:10

LHR

BKK

21h 45m1 stop

01:30 - 20:25

BKK

LHR

24h 55m1 stop

£446Air China

Mon, 1 Jun - Sun, 21 Jun

17:15 - 01:40

LHR

BKK

25h 25m2 stops

12:25 - 17:00

BKK

LHR

35h 35m1 stop

£446China Southern

Wed, 28 Jan - Sun, 8 Feb

21:10 - 11:10

LHR

BKK

31h 00m1 stop

19:30 - 19:10

BKK

LHR

30h 40m1 stop

£447Shenzhen Airlines

Sun, 1 Mar - Thu, 19 Mar

China Southern flights from London Heathrow Airport to Bangkok

Our best China Southern deals on London Heathrow Airport to Bangkok flight tickets

China Southern

24 Jan

LHR22:00London Heathrow

20h 05m

1 stop

BKK01:05Bangkok Suvarnabhumi

4 Feb

BKK19:15Bangkok Suvarnabhumi

29h 40m

2 stops

LHR17:55London Heathrow

£440

Find similar

China Southern

28 Jan

LHR17:15London Heathrow

25h 25m

2 stops

BKK01:40Bangkok Suvarnabhumi

8 Feb

BKK12:25Bangkok Suvarnabhumi

35h 35m

1 stop

LHR17:00London Heathrow

£446

Find similar

China Southern

25 Jan

LHR22:00London Heathrow

20h 05m

1 stop

BKK01:05Bangkok Suvarnabhumi

9 Feb

BKK19:55Bangkok Suvarnabhumi

29h 40m

2 stops

LHR18:35London Heathrow

£448

Find similar

Air China flights from London Heathrow Airport to Bangkok

Our best Air China deals on London Heathrow Airport to Bangkok flight tickets

Air China

3 Feb

LHR17:40London Heathrow

23h 30m

1 stop

BKK00:10Bangkok Suvarnabhumi

12 Feb

BKK01:30Bangkok Suvarnabhumi

23h 20m

1 stop

LHR17:50London Heathrow

£442

Find similar

Air China

16 Jan

LHR17:40London Heathrow

17h 25m

1 stop

BKK18:05Bangkok Suvarnabhumi

30 Jan

BKK23:50Bangkok Suvarnabhumi

25h 00m

1 stop

LHR17:50London Heathrow

£443

Find similar

Air China

1 Jun

LHR20:25London Heathrow

21h 45m

1 stop

BKK00:10Bangkok Suvarnabhumi

21 Jun

BKK01:30Bangkok Suvarnabhumi

24h 55m

1 stop

LHR20:25London Heathrow

£446

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momondo Fare Finder

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Depart

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Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 24/1

22:00-01:05

1 stop20h 05m

Bangkok Suvarnabhumi

Wed 4/2

19:15-17:55

2 stops29h 40m

£440

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 7/1

19:45-10:05

1 stop31h 20m

Bangkok Suvarnabhumi

Thu 22/1

11:10-17:35

2 stops37h 25m

£441

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 3/2

17:40-00:10

1 stop23h 30m

Bangkok Suvarnabhumi

Thu 12/2

01:30-17:50

1 stop23h 20m

£442

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 13/1

17:40-00:10

1 stop23h 30m

Bangkok Suvarnabhumi

Tue 20/1

23:50-15:55

1 stop23h 05m

£443

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 11/1

21:00-00:55

1 stop20h 55m

Bangkok Suvarnabhumi

Sun 8/3

11:10-17:55

2 stops37h 45m

£443

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 12/1

21:00-22:25

1 stop18h 25m

Bangkok Suvarnabhumi

Sun 8/3

11:10-17:55

2 stops37h 45m

£444

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 5/1

21:00-10:05

2 stops30h 05m

Bangkok Suvarnabhumi

Tue 20/1

19:10-16:20

1 stop28h 10m

£445

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 1/6

20:25-00:10

1 stop21h 45m

Bangkok Suvarnabhumi

Sun 21/6

01:30-20:25

1 stop24h 55m

£446

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 28/1

17:15-01:40

2 stops25h 25m

Bangkok Suvarnabhumi

Sun 8/2

12:25-17:00

1 stop35h 35m

£446

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 1/3

21:10-11:10

1 stop31h 00m

Bangkok Suvarnabhumi

Thu 19/3

19:30-19:10

1 stop30h 40m

£447

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

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Bangkok?

The month of September is, on average, the cheapest month to fly to Bangkok from London Heathrow Airport, with most prices found around £610. The month of May is another great option to travel to Bangkok, with average flight prices from London Heathrow Airport averaging around £617.

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

According to our data, Sunday is the cheapest day to fly to Bangkok from London Heathrow Airport. The lowest ticket price found for a Sunday departure recently was £697. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Bangkok on Saturday is £753.

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

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Bangkok when you can find flight prices for as low as £570. Flying to Bangkok in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around £738. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Bangkok flight route?

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

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

You are more likely to see cheaper flights to Bangkok from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around £703 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from London Heathrow Airport for as low as £655 on momondo.

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

There are 4 cabin classes available to choose from on London Heathrow to Bangkok flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London Heathrow Airport to Bangkok flight deals and tips

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

Fastest flight time	11h 25m
Direct flights	Every day
Airports in Bangkok	2 airports

The fastest flight from London Heathrow Airport to Bangkok takes 11h 25m

Direct flights go from London Heathrow Airport to Bangkok every day.

There are 2 airports in Bangkok. From London Heathrow Airport there are direct flights to Bangkok Suvarnabhumi (BKK).

Search flight deals

How far is London Heathrow to Bangkok by plane?
The distance between London Heathrow and Bangkok is about 5934.0 mi. By plane, this route typically takes 11h 25m.
When did momondo last update prices for flights from London Heathrow Airport to Bangkok?
Prices for flights from London Heathrow Airport to Bangkok are refreshed on a daily basis.
How many operators does momondo search for flights from London Heathrow Airport to Bangkok?
As of December 2025, there are 37 operators available to choose from for flights from London Heathrow Airport to Bangkok.
How old do you have to be to fly from London Heathrow Airport to Bangkok?
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.
What documentation or ID do you need to fly to Bangkok?
The required travel and health documents for your Bangkok 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London Heathrow Airport to Bangkok

Compare and see reviews for airlines that fly from London Heathrow Airport to Bangkok with momondo

Airline	Rating	Free Cancellation	Price
SAUDIA	PriceFrom £340	Free Cancellation	Rating 7.4 647 reviews	Search SAUDIA flights
Hainan Airlines	PriceFrom £380	Free Cancellation	Rating 8.3 58 reviews	Search Hainan Airlines flights
Gulf Air	PriceFrom £446	Free Cancellation	Rating 7.2 226 reviews	Search Gulf Air flights
Norse Atlantic UK	PriceFrom £457	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
Royal Brunei Airlines	PriceFrom £470	Free Cancellation	Rating 0.0 0 reviews	Search Royal Brunei Airlines flights
Lufthansa	PriceFrom £473	Free Cancellation	Rating 6.8 7,631 reviews	Search Lufthansa flights
Hahn Air	PriceFrom £482	Free Cancellation	Rating 0.0	Search Hahn Air flights
KLM	PriceFrom £495	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
Air France	PriceFrom £495	Free Cancellation	Rating 7.4 1,506 reviews	Search Air France flights
Turkish Airlines	PriceFrom £507	Free Cancellation	Rating 7.3 4,100 reviews	Search Turkish Airlines flights

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?

momondo does allow users to show only those flights to Bangkok from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for London to Bangkok flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Bangkok, momondo offers a useful price alert feature which will track prices for flights to Bangkok from London and alert you when they change.

An easier way to manage your Bangkok trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Bangkok Suvarnabhumi Airport

Bangkok Don Mueang Intl Airport

Cheap flights from London Heathrow Airport to Bangkok from £294

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 2/2. 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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Big names, great deals

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Find the cheapest flights from London Heathrow Airport to Bangkok

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China Southern flights from London Heathrow Airport to Bangkok

Our best China Southern deals on London Heathrow Airport to Bangkok flight tickets

Air China flights from London Heathrow Airport to Bangkok

Our best Air China deals on London Heathrow Airport to Bangkok flight tickets

momondo Fare Finder

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

See travel insights to Bangkok from

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

What is the cheapest month to fly to Bangkok?

The month of September is, on average, the cheapest month to fly to Bangkok from London Heathrow Airport, with most prices found around £610. The month of May is another great option to travel to Bangkok, with average flight prices from London Heathrow Airport averaging around £617.

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

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

What is the cheapest London Heathrow to Bangkok flight route?

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

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

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

There are 4 cabin classes available to choose from on London Heathrow to Bangkok flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from London Heathrow to Bangkok?

Shenzhen Airlines and SAUDIA are the most popular carriers operating from London Heathrow to Bangkok

Which airlines fly to Bangkok?

How often are flights from London to Bangkok delayed?

Historically, on average around 18% of flights between London and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 86 minutes.

What is the most punctual flight time for London to Bangkok flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Bangkok flights?

According to our data, EVA Air have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

How many flights depart from London Heathrow Airport to Bangkok on average per day?

As of December 2025, 7 flights take off from London Heathrow Airport and land in Bangkok each day. The most common flight departure time for this route is 21:00, with 71% of daily flights taking off in the evening.

How many flights depart from London Heathrow Airport to Bangkok on average per week?

As of December 2025, there are 49 flights per week flying from London Heathrow Airport to Bangkok. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Cheap London Heathrow Airport to Bangkok flight deals and tips

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

Fastest flight time

Direct flights

Airports in Bangkok

How far is London Heathrow to Bangkok by plane?

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

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

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

What documentation or ID do you need to fly to Bangkok?

Best airlines flying from London Heathrow Airport to Bangkok

Compare and see reviews for airlines that fly from London Heathrow Airport to Bangkok with momondo

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Bangkok trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok