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 16% of their flights experiencing any sort of delay.

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

Hainan Airlines is the most popular carrier operating from London Heathrow to Bangkok

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

As of November 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 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.

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

As of November 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.

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

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

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 48% 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.

How often are flights from London to Bangkok delayed?

Historically, on average around 19% 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 85 minutes.

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 November 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.

$415 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 $836 to $1,246. The lowest price recently found on this route was $619.

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:35 pm - 4:40 pmLHR-BKK

36h 05m1 stop

5:55 pm - 7:40 pmBKK-LHR

32h 45m1 stop

$619Air China

Find Deal

Sat, Jan 10 - Wed, Mar 25

9:10 pm - 11:10 amLHR-BKK

31h 00m1 stop

3:15 am - 7:10 pmBKK-LHR

22h 55m1 stop

$620Shenzhen Airlines

Find Deal

Sun, Nov 30 - Sun, Dec 14

8:25 pm - 12:10 amLHR-BKK

20h 45m1 stop

7:30 pm - 3:55 pmBKK-LHR

27h 25m1 stop

$621Air China

Find Deal

Mon, Dec 1 - Mon, Dec 15

9:00 pm - 10:05 amLHR-BKK

30h 05m2 stops

7:10 pm - 5:35 pmBKK-LHR

29h 25m2 stops

$622Hainan Airlines

Find Deal

Fri, Jan 16 - Thu, Jan 29

9:10 pm - 11:10 amLHR-BKK

31h 00m1 stop

7:30 pm - 7:10 pmBKK-LHR

30h 40m1 stop

$623Shenzhen Airlines

Find Deal

Fri, Jan 30 - Fri, Feb 27

9:00 pm - 10:05 amLHR-BKK

30h 05m2 stops

7:10 pm - 5:55 pmBKK-LHR

29h 45m1 stop

$625Hainan Airlines

Find Deal

Fri, Dec 5 - Sat, Dec 20

9:10 pm - 11:10 amLHR-BKK

31h 00m1 stop

7:30 pm - 7:10 pmBKK-LHR

30h 40m1 stop

$630Shenzhen Airlines

Find Deal

Sun, Feb 15 - Thu, Feb 19

9:10 pm - 6:30 pmLHR-BKK

38h 20m1 stop

3:15 am - 7:10 pmBKK-LHR

22h 55m1 stop

$631Shenzhen Airlines

Find Deal

Sat, Feb 7 - Sat, Feb 14

9:10 pm - 6:30 pmLHR-BKK

38h 20m1 stop

7:30 pm - 7:10 pmBKK-LHR

30h 40m1 stop

$632Shenzhen Airlines

Find Deal

Sat, Jan 3 - Tue, Jan 27

9:10 pm - 6:30 pmLHR-BKK

38h 20m1 stop

3:15 am - 7:10 pmBKK-LHR

22h 55m1 stop

$633Shenzhen Airlines

Find Deal

Sat, Jan 3 - Tue, Feb 10

Qatar Airways flights from London Heathrow Airport to Bangkok

Our best Qatar Airways deals on London Heathrow Airport to Bangkok flight tickets

Qatar Airways

Dec 4

LHR8:35 amLondon Heathrow

15h 05m

1 stop

BKK6:40 amBangkok Suvarnabhumi

Dec 11

BKK9:05 amBangkok Suvarnabhumi

17h 45m

1 stop

LHR7:50 pmLondon Heathrow

$781

Find similar

Qatar Airways

Dec 3

LHR8:25 amLondon Heathrow

15h 15m

1 stop

BKK6:40 amBangkok Suvarnabhumi

Dec 8

BKK3:00 amBangkok Suvarnabhumi

16h 15m

1 stop

LHR12:15 pmLondon Heathrow

$809

Find similar

Qatar Airways

Dec 3

LHR3:30 pmLondon Heathrow

19h 55m

1 stop

BKK6:25 pmBangkok Suvarnabhumi

Dec 10

BKK2:00 amBangkok Suvarnabhumi

19h 00m

1 stop

LHR2:00 pmLondon Heathrow

$810

Find similar

China Southern flights from London Heathrow Airport to Bangkok

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

China Southern

Jan 13

LHR10:00 pmLondon Heathrow

20h 05m

1 stop

BKK1:05 amBangkok Suvarnabhumi

Mar 31

BKK3:55 pmBangkok Suvarnabhumi

33h 05m

1 stop

LHR7:00 pmLondon Heathrow

$620

Find similar

China Southern

May 5

LHR10:10 pmLondon Heathrow

17h 50m

1 stop

BKK10:00 pmBangkok Suvarnabhumi

Jun 1

BKK3:00 amBangkok Suvarnabhumi

22h 00m

1 stop

LHR7:00 pmLondon Heathrow

$624

Find similar

China Southern

Feb 27

LHR10:00 pmLondon Heathrow

20h 05m

1 stop

BKK1:05 amBangkok Suvarnabhumi

Mar 14

BKK3:45 pmBangkok Suvarnabhumi

29h 15m

2 stops

LHR2:00 pmLondon Heathrow

$628

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.

Fly from

Fly to

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 1/10

9:35 pm-4:40 pm

1 stop36h 05m

Bangkok Suvarnabhumi

Wed 3/25

5:55 pm-7:40 pm

1 stop32h 45m

$619

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 11/30

9:10 pm-11:10 am

1 stop31h 00m

Bangkok Suvarnabhumi

Sun 12/14

3:15 am-7:10 pm

1 stop22h 55m

$620

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 12/1

8:25 pm-12:10 am

1 stop20h 45m

Bangkok Suvarnabhumi

Mon 12/15

7:30 pm-3:55 pm

1 stop27h 25m

$621

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 1/16

9:00 pm-10:05 am

2 stops30h 05m

Bangkok Suvarnabhumi

Thu 1/29

7:10 pm-5:35 pm

2 stops29h 25m

$622

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 1/30

9:10 pm-11:10 am

1 stop31h 00m

Bangkok Suvarnabhumi

Fri 2/27

7:30 pm-7:10 pm

1 stop30h 40m

$623

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 12/5

9:00 pm-10:05 am

2 stops30h 05m

Bangkok Suvarnabhumi

Sat 12/20

7:10 pm-5:55 pm

1 stop29h 45m

$625

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 2/15

9:10 pm-11:10 am

1 stop31h 00m

Bangkok Suvarnabhumi

Thu 2/19

7:30 pm-7:10 pm

1 stop30h 40m

$630

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 2/7

9:10 pm-6:30 pm

1 stop38h 20m

Bangkok Suvarnabhumi

Sat 2/14

3:15 am-7:10 pm

1 stop22h 55m

$631

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 1/3

9:10 pm-6:30 pm

1 stop38h 20m

Bangkok Suvarnabhumi

Tue 1/27

7:30 pm-7:10 pm

1 stop30h 40m

$632

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 1/3

9:10 pm-6:30 pm

1 stop38h 20m

Bangkok Suvarnabhumi

Tue 2/10

3:15 am-7:10 pm

1 stop22h 55m

$633

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 $961. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Bangkok on a Saturday will generally be more expensive and average around $1,069. 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 $746. 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 $1,046. 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 $942 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 $870 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	1 airport

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

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

There is 1 airport near Bangkok: Bangkok Suvarnabhumi (BKK)

Search flight deals

How far is London Heathrow to Bangkok by plane?
Bangkok is 5934.0 mi away from London Heathrow. 16h 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 November 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 7.4 645 reviews	Search SAUDIA flights
China Eastern	PriceFrom $539	Free Cancellation	Rating 7.2 178 reviews	Search China Eastern flights
Shenzhen Airlines	PriceFrom $544	Free Cancellation	Rating 7.6 22 reviews	Search Shenzhen Airlines flights
Air China	PriceFrom $556	Free Cancellation	Rating 7.2 126 reviews	Search Air China flights
Hainan Airlines	PriceFrom $560	Free Cancellation	Rating 8.2 55 reviews	Search Hainan Airlines flights
China Southern	PriceFrom $577	Free Cancellation	Rating 7.5 119 reviews	Search China Southern flights
Air India	PriceFrom $600	Free Cancellation	Rating 5.5 2,947 reviews	Search Air India flights
Gulf Air	PriceFrom $621	Free Cancellation	Rating 7.2 222 reviews	Search Gulf Air flights
Austrian Airlines	PriceFrom $641	Free Cancellation	Rating 7.6 874 reviews	Search Austrian Airlines flights
Oman Air	PriceFrom $683	Free Cancellation	Rating 8.2 105 reviews	Search Oman Air 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.

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.

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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

Popular cities in Thailand

Flights to Phuket Cityfrom $562

Flights to Chiang Maifrom $580

Flights to Ko Samuifrom $817

Flights to Krabifrom $874

Flights to Surat Thanifrom $812

Flights to Chiang Raifrom $873

Flights to Udon Thanifrom $889

Flights to Hat Yaifrom $1,149

Flights to Khon Kaenfrom $947

Flights to Ubon Ratchathanifrom $1,253

Flights to Tratfrom $1,165

Flights to Trangfrom $1,218

Cheap flights from London Heathrow Airport to Bangkok from $415

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Heathrow Airport to Bangkok

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Qatar Airways flights from London Heathrow Airport to Bangkok

Our best Qatar Airways deals on London Heathrow Airport to Bangkok flight tickets

China Southern flights from London Heathrow Airport to Bangkok

Our best China Southern 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

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?

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?

Hainan Airlines is the most popular carrier operating from London Heathrow to Bangkok

What airlines fly to Bangkok?

How often are flights from London to Bangkok delayed?

Historically, on average around 19% 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 85 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 at night 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 16% of their flights experiencing any sort of delay.

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

As of November 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 November 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