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.

What 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 47% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 22 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?

Air China and China Eastern are the most popular carriers operating from London Heathrow 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 day of the week experiences the fewest flight delays on this route?

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

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

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

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

According to our data, EVA Air have had the least number of 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, there are 7 flights per day flying from London Heathrow Airport to Bangkok. The most common time of day flights depart is 9:00PM, with 71% of flights taking off in the evening.

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 22 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Bangkok.

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

The necessary travel and health documents for your Bangkok trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$379 Cheap Flights from London Heathrow Airport to Bangkok in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $755 to $1,024. The lowest price recently found on this route was $550.

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Enter your travel dates to find the best prices.

9:00 pm - 10:25 pm

LHR

BKK

18h 25m1 stop

5:05 am - 5:30 pm

BKK

LHR

19h 25m1 stop

$550China Eastern

Thu, Jan 29 - Thu, Feb 5

9:00 pm - 12:55 am

LHR

BKK

20h 55m1 stop

5:05 am - 5:30 pm

BKK

LHR

19h 25m1 stop

$551China Eastern

Wed, Jan 21 - Mon, Feb 2

9:00 pm - 10:05 am

LHR

BKK

30h 05m2 stops

7:10 pm - 5:55 pm

BKK

LHR

29h 45m2 stops

$556Hainan Airlines

Mon, Jan 19 - Sun, Feb 15

10:10 pm - 4:40 pm

LHR

BKK

35h 30m1 stop

1:30 am - 5:50 pm

BKK

LHR

23h 20m1 stop

$558Air China

Tue, Jan 13 - Wed, Feb 11

8:25 pm - 12:10 am

LHR

BKK

20h 45m1 stop

11:50 pm - 5:50 pm

BKK

LHR

25h 00m1 stop

$559Air China

Tue, Jan 13 - Sun, Feb 1

9:00 pm - 10:25 pm

LHR

BKK

18h 25m1 stop

7:55 pm - 5:30 pm

BKK

LHR

28h 35m1 stop

$560China Eastern

Sun, Jan 11 - Thu, Feb 5

5:40 pm - 6:05 pm

LHR

BKK

17h 25m1 stop

11:50 pm - 3:55 pm

BKK

LHR

23h 05m1 stop

$562Air China

Wed, Jan 21 - Wed, Feb 11

9:10 pm - 6:30 pm

LHR

BKK

38h 20m1 stop

3:15 am - 8:00 pm

BKK

LHR

22h 45m1 stop

$564Shenzhen Airlines

Wed, Mar 4 - Tue, Mar 31

5:40 pm - 6:05 pm

LHR

BKK

17h 25m1 stop

1:30 am - 3:55 pm

BKK

LHR

21h 25m1 stop

$565Air China

Tue, Jan 20 - Sun, Feb 8

10:00 pm - 10:00 am

LHR

BKK

30h 00m2 stops

7:20 pm - 7:30 pm

BKK

LHR

30h 10m1 stop

$568Hainan Airlines

Mon, Apr 6 - Tue, May 26

Hainan Airlines flights from London Heathrow Airport to Bangkok

Our best Hainan Airlines deals on London Heathrow Airport to Bangkok flight tickets

Hainan Airlines

Jan 9

LHR9:00 pmLondon Heathrow

38h 05m

2 stops

BKK6:05 pmBangkok Suvarnabhumi

May 17

BKK7:20 pmBangkok Suvarnabhumi

30h 10m

2 stops

LHR7:30 pmLondon Heathrow

$551

Find similar

Hainan Airlines

Jan 9

LHR9:00 pmLondon Heathrow

38h 05m

2 stops

BKK6:05 pmBangkok Suvarnabhumi

May 19

BKK7:20 pmBangkok Suvarnabhumi

30h 10m

1 stop

LHR7:30 pmLondon Heathrow

$553

Find similar

Hainan Airlines

Jan 19

LHR9:00 pmLondon Heathrow

30h 05m

2 stops

BKK10:05 amBangkok Suvarnabhumi

Feb 15

BKK7:10 pmBangkok Suvarnabhumi

29h 45m

2 stops

LHR5:55 pmLondon Heathrow

$556

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

Jan 13

LHR8:25 pmLondon Heathrow

20h 45m

1 stop

BKK12:10 amBangkok Suvarnabhumi

Feb 2

BKK1:30 amBangkok Suvarnabhumi

23h 20m

1 stop

LHR5:50 pmLondon Heathrow

$558

Find similar

Air China

Jan 13

LHR8:25 pmLondon Heathrow

20h 45m

1 stop

BKK12:10 amBangkok Suvarnabhumi

Feb 11

BKK1:30 amBangkok Suvarnabhumi

23h 20m

1 stop

LHR5:50 pmLondon Heathrow

$559

Find similar

Air China

Jan 21

LHR5:40 pmLondon Heathrow

17h 25m

1 stop

BKK6:05 pmBangkok Suvarnabhumi

Feb 11

BKK11:50 pmBangkok Suvarnabhumi

23h 05m

1 stop

LHR3:55 pmLondon Heathrow

$562

Find similar

momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 1/29

9:00 pm-10:25 pm

1 stop18h 25m

Bangkok Suvarnabhumi

Thu 2/5

5:05 am-5:30 pm

1 stop19h 25m

$550

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 1/21

9:00 pm-12:55 am

1 stop20h 55m

Bangkok Suvarnabhumi

Mon 2/2

5:05 am-5:30 pm

1 stop19h 25m

$551

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 1/19

9:00 pm-10:05 am

2 stops30h 05m

Bangkok Suvarnabhumi

Sun 2/15

7:10 pm-5:55 pm

2 stops29h 45m

$556

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 1/13

10:10 pm-4:40 pm

1 stop35h 30m

Bangkok Suvarnabhumi

Wed 2/11

1:30 am-5:50 pm

1 stop23h 20m

$558

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 1/13

8:25 pm-12:10 am

1 stop20h 45m

Bangkok Suvarnabhumi

Sun 2/1

11:50 pm-5:50 pm

1 stop25h 00m

$559

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 1/11

9:00 pm-10:25 pm

1 stop18h 25m

Bangkok Suvarnabhumi

Thu 2/5

7:55 pm-5:30 pm

1 stop28h 35m

$560

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 1/21

5:40 pm-6:05 pm

1 stop17h 25m

Bangkok Suvarnabhumi

Wed 2/11

11:50 pm-3:55 pm

1 stop23h 05m

$562

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 3/4

9:10 pm-6:30 pm

1 stop38h 20m

Bangkok Suvarnabhumi

Tue 3/31

3:15 am-8:00 pm

1 stop22h 45m

$564

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 1/20

5:40 pm-6:05 pm

1 stop17h 25m

Bangkok Suvarnabhumi

Sun 2/8

1:30 am-3:55 pm

1 stop21h 25m

$565

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 4/6

10:00 pm-10:00 am

2 stops30h 00m

Bangkok Suvarnabhumi

Tue 5/26

7:20 pm-7:30 pm

1 stop30h 10m

$568

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 typical price of a round-trip flight between London Heathrow Airport and Bangkok?

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of September, then book flights to Bangkok from London Heathrow Airport during May instead. Flights to Bangkok in May, while not as cheap as those in September, still average around $824.

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

On average, the least expensive day to fly to Bangkok from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $953. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Bangkok on a Friday will generally be more expensive and average around $1,063. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Bangkok is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Bangkok in the afternoon for as low as $756. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $1,041. 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 $940 when searching weeks out. 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 $876 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?
Bangkok is 5934.0 mi away from London Heathrow. 11h 25m is a normal flight duration for this route.
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 22 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Bangkok.
What documentation or ID do you need to fly to Bangkok?
The necessary travel and health documents for your Bangkok trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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 $407	Free Cancellation	Rating 7.3 653 reviews	Search SAUDIA flights
Gulf Air	PriceFrom $462	Free Cancellation	Rating 7.2 221 reviews	Search Gulf Air flights
Shenzhen Airlines	PriceFrom $494	Free Cancellation	Rating 7.6 22 reviews	Search Shenzhen Airlines flights
China Eastern	PriceFrom $539	Free Cancellation	Rating 7.2 185 reviews	Search China Eastern flights
Air China	PriceFrom $547	Free Cancellation	Rating 7.2 135 reviews	Search Air China flights
Hainan Airlines	PriceFrom $560	Free Cancellation	Rating 8.2 59 reviews	Search Hainan Airlines flights
China Southern	PriceFrom $570	Free Cancellation	Rating 7.5 123 reviews	Search China Southern flights
Air India	PriceFrom $590	Free Cancellation	Rating 5.5 2,967 reviews	Search Air India flights
Turkish Airlines	PriceFrom $639	Free Cancellation	Rating 7.3 4,137 reviews	Search Turkish Airlines flights
Austrian Airlines	PriceFrom $641	Free Cancellation	Rating 7.6 888 reviews	Search Austrian Airlines flights

Why use momondo?

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

Finding the right flight to Bangkok from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bangkok quick and easy, saving you time and money.

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

All flight searches from London to Bangkok on momondo can be filtered to show those which offer flexible booking policies.

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?

Yes. momondo can track prices for London to Bangkok flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from London Heathrow Airport to Bangkok from $379

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Filter for what you want

Filter for what you want

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Find the cheapest flights from London Heathrow Airport to Bangkok

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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Hainan Airlines flights from London Heathrow Airport to Bangkok

Our best Hainan Airlines 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 typical price of a round-trip flight between London Heathrow Airport and Bangkok?

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of September, then book flights to Bangkok from London Heathrow Airport during May instead. Flights to Bangkok in May, while not as cheap as those in September, still average around $824.

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?

Air China and China Eastern are the most popular carriers operating from London Heathrow to Bangkok

What 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 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 which experiences the fewest number of 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 least number of 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, there are 7 flights per day flying from London Heathrow Airport to Bangkok. The most common time of day flights depart is 9:00PM, with 71% of 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, organize 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