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.

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.

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

As of January 2026, 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 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 45% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 21 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?

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

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 week?

As of January 2026, 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.

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 January 2026, there are 21 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.

$369 Cheap Flights from London Heathrow Airport to Bangkok in 2026

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 pm - 10:05 am

LHR

BKK

31h 20m

1 stop

11:05 am - 7:30 pm

BKK

LHR

38h 25m

2 stops

$542Hainan Airlines

Wed, Mar 11 - Thu, May 14

7:45 pm - 10:05 am

LHR

BKK

31h 20m

1 stop

7:20 pm - 7:30 pm

BKK

LHR

30h 10m

2 stops

$543Hainan Airlines

Wed, Mar 11 - Thu, May 7

7:45 pm - 10:05 am

LHR

BKK

31h 20m

1 stop

7:20 pm - 7:30 pm

BKK

LHR

30h 10m

2 stops

$544Hainan Airlines

Wed, Mar 11 - Thu, May 7

9:00 pm - 12:55 am

LHR

BKK

20h 55m

1 stop

5:05 am - 6:40 pm

BKK

LHR

19h 35m

1 stop

$545China Eastern

Wed, Mar 11 - Sat, Apr 4

7:45 pm - 10:05 am

LHR

BKK

31h 20m

1 stop

11:10 am - 4:20 pm

BKK

LHR

36h 10m

1 stop

$546Hainan Airlines

Wed, Jan 28 - Tue, Feb 10

7:45 pm - 10:05 am

LHR

BKK

31h 20m

1 stop

7:10 pm - 4:20 pm

BKK

LHR

28h 10m

1 stop

$548Hainan Airlines

Wed, Jan 28 - Tue, Feb 10

9:00 pm - 10:25 pm

LHR

BKK

18h 25m

1 stop

1:55 am - 5:30 pm

BKK

LHR

22h 35m

1 stop

$550China Eastern

Mon, Feb 2 - Sun, Mar 1

9:00 pm - 1:55 am

LHR

BKK

21h 55m

1 stop

5:45 am - 5:30 pm

BKK

LHR

18h 45m

1 stop

$551China Eastern

Wed, Jan 28 - Thu, Feb 5

9:00 pm - 4:05 am

LHR

BKK

24h 05m

1 stop

5:05 am - 6:40 pm

BKK

LHR

19h 35m

1 stop

$553China Eastern

Sat, Mar 7 - Mon, Mar 30

10:00 pm - 10:00 am

LHR

BKK

30h 00m

2 stops

7:20 pm - 7:30 pm

BKK

LHR

30h 10m

2 stops

$554Hainan Airlines

Fri, Apr 10 - Thu, Apr 23

Hainan Airlines flights from London Heathrow Airport to Bangkok

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

Hainan Airlines

Mar 11

LHR7:45 pmLondon Heathrow

31h 20m

1 stop

BKK10:05 amBangkok Suvarnabhumi

May 14

BKK11:05 amBangkok Suvarnabhumi

38h 25m

2 stops

LHR7:30 pmLondon Heathrow

$542

Hainan Airlines

Mar 11

LHR7:45 pmLondon Heathrow

31h 20m

1 stop

BKK10:05 amBangkok Suvarnabhumi

May 7

BKK7:20 pmBangkok Suvarnabhumi

30h 10m

2 stops

LHR7:30 pmLondon Heathrow

$543

Hainan Airlines

Jan 23

LHR9:00 pmLondon Heathrow

30h 05m

2 stops

BKK10:05 amBangkok Suvarnabhumi

Feb 17

BKK7:10 pmBangkok Suvarnabhumi

28h 10m

1 stop

LHR4:20 pmLondon Heathrow

$545

China Southern flights from London Heathrow Airport to Bangkok

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

China Southern

Mar 10

LHR10:00 pmLondon Heathrow

17h 30m

1 stop

BKK10:30 pmBangkok Suvarnabhumi

Mar 20

BKK12:30 amBangkok Suvarnabhumi

25h 05m

2 stops

LHR6:35 pmLondon Heathrow

$588

China Southern

Mar 10

LHR10:00 pmLondon Heathrow

20h 05m

1 stop

BKK1:05 amBangkok Suvarnabhumi

Mar 22

BKK1:55 pmBangkok Suvarnabhumi

34h 05m

1 stop

LHR5:00 pmLondon Heathrow

$589

China Southern

Mar 2

LHR7:35 pmLondon Heathrow

32h 50m

1 stop

BKK11:25 amBangkok Suvarnabhumi

Mar 17

BKK12:30 amBangkok Suvarnabhumi

25h 05m

2 stops

LHR6:35 pmLondon Heathrow

$590

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

Wed 3/11

7:45 pm-10:05 am

1 stop31h 20m

Bangkok Suvarnabhumi

Thu 5/14

11:05 am-7:30 pm

2 stops38h 25m

$542

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 3/11

7:45 pm-10:05 am

1 stop31h 20m

Bangkok Suvarnabhumi

Thu 5/7

7:20 pm-7:30 pm

2 stops30h 10m

$543

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 3/11

7:45 pm-10:05 am

1 stop31h 20m

Bangkok Suvarnabhumi

Thu 5/7

7:20 pm-7:30 pm

2 stops30h 10m

$544

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 3/11

9:00 pm-12:55 am

1 stop20h 55m

Bangkok Suvarnabhumi

Sat 4/4

5:05 am-6:40 pm

1 stop19h 35m

$545

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 1/28

7:45 pm-10:05 am

1 stop31h 20m

Bangkok Suvarnabhumi

Tue 2/10

11:10 am-4:20 pm

1 stop36h 10m

$546

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 1/28

7:45 pm-10:05 am

1 stop31h 20m

Bangkok Suvarnabhumi

Tue 2/10

7:10 pm-4:20 pm

1 stop28h 10m

$548

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 2/2

9:00 pm-10:25 pm

1 stop18h 25m

Bangkok Suvarnabhumi

Sun 3/1

1:55 am-5:30 pm

1 stop22h 35m

$550

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 1/28

9:00 pm-1:55 am

1 stop21h 55m

Bangkok Suvarnabhumi

Thu 2/5

5:45 am-5:30 pm

1 stop18h 45m

$551

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 3/7

9:00 pm-4:05 am

1 stop24h 05m

Bangkok Suvarnabhumi

Mon 3/30

5:05 am-6:40 pm

1 stop19h 35m

$553

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 4/10

10:00 pm-10:00 am

2 stops30h 00m

Bangkok Suvarnabhumi

Thu 4/23

7:20 pm-7:30 pm

2 stops30h 10m

$554

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 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 $822.

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 $955. 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 $1,055. 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 $762. 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 $1,047. 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 $937 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 $878 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 January 2026, there are 21 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 7.4 658 reviews	Search SAUDIA flights
Shenzhen Airlines	PriceFrom $494	Free Cancellation	Rating 7.6 23 reviews	Search Shenzhen Airlines flights
China Eastern	PriceFrom $539	Free Cancellation	Rating 7.2 188 reviews	Search China Eastern flights
Air China	PriceFrom $547	Free Cancellation	Rating 7.2 136 reviews	Search Air China flights
Hainan Airlines	PriceFrom $560	Free Cancellation	Rating 8.2 62 reviews	Search Hainan Airlines flights
China Southern	PriceFrom $570	Free Cancellation	Rating 7.3 133 reviews	Search China Southern flights
Air India	PriceFrom $600	Free Cancellation	Rating 5.5 2,975 reviews	Search Air India flights
Turkish Airlines	PriceFrom $639	Free Cancellation	Rating 7.3 4,167 reviews	Search Turkish Airlines flights
Austrian Airlines	PriceFrom $641	Free Cancellation	Rating 7.5 893 reviews	Search Austrian Airlines flights
Oman Air	PriceFrom $657	Free Cancellation	Rating 8.0 114 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 $614

Flights to Chiang Maifrom $611

Flights to Ko Samuifrom $763

Flights to Krabifrom $870

Flights to Surat Thanifrom $812

Flights to Chiang Raifrom $866

Flights to Udon Thanifrom $769

Flights to Hat Yaifrom $1,003

Flights to Khon Kaenfrom $1,029

Flights to Ubon Ratchathanifrom $1,244

Flights to Tratfrom $955

Flights to Mueang Ranongfrom $907

Cheap flights from London Heathrow Airport to Bangkok from $369

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

Hainan Airlines flights from London Heathrow Airport to Bangkok

Our best Hainan Airlines 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

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 $822.

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?

China Eastern and SAUDIA 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 January 2026, 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 January 2026, 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