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Cheap flights from Bangkok to London from £242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok to London departing on 30/11. 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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Cheap return flights

Logo
05:05 - 17:30BKK-LHR
19h 25m1 stop
Logo
21:35 - 12:30LHR-BKK
31h 55m1 stop
£517
Find Deal
Mon, 27 Oct - Thu, 30 Oct
China Southern Logo
02:10 - 18:35BKK-LHR
23h 25m1 stop
China Southern Logo
22:00 - 11:25LHR-BKK
30h 25m1 stop
£517China Southern
Find Deal
Sat, 28 Feb - Mon, 9 Mar
Logo
01:55 - 17:30BKK-LHR
22h 35m1 stop
Logo
21:35 - 12:30LHR-BKK
31h 55m1 stop
£519
Find Deal
Wed, 29 Oct - Thu, 6 Nov
Hainan Airlines Logo
01:35 - 17:35BKK-LHR
23h 00m2 stops
Hainan Airlines Logo
21:00 - 10:05LHR-BKK
30h 05m2 stops
£521Hainan Airlines
Find Deal
Thu, 13 Nov - Fri, 14 Nov
China Eastern Logo
19:55 - 17:30BKK-LHR
28h 35m1 stop
China Eastern Logo
21:00 - 22:25LHR-BKK
18h 25m1 stop
£528China Eastern
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Wed, 29 Oct - Wed, 5 Nov
Air China Logo
18:20 - 20:15BKK-LHR
31h 55m1 stop
Air China Logo
17:40 - 18:05LHR-BKK
17h 25m1 stop
£529Air China
Find Deal
Mon, 13 Oct - Mon, 27 Oct
Air China Logo
01:30 - 15:55BKK-LHR
21h 25m1 stop
Air China Logo
17:40 - 00:10LHR-BKK
23h 30m1 stop
£530Air China
Find Deal
Sun, 26 Oct - Fri, 31 Oct
China Eastern Logo
19:55 - 17:30BKK-LHR
28h 35m1 stop
China Eastern Logo
21:00 - 22:25LHR-BKK
18h 25m1 stop
£532China Eastern
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Etihad Airways Logo
02:55 - 12:05BKK-LHR
16h 10m1 stop
Etihad Airways Logo
13:55 - 23:20LHR-BKK
26h 25m1 stop
£541Etihad Airways
Find Deal
Sun, 14 Dec - Thu, 15 Jan
Hainan Airlines Logo
19:20 - 19:30BKK-LHR
30h 10m1 stop
Hainan Airlines Logo
22:00 - 10:05LHR-BKK
30h 05m2 stops
£542Hainan Airlines
Find Deal
Tue, 7 Oct - Fri, 24 Oct

Air China flights from Bangkok to London Heathrow Airport

Our best Air China deals on Bangkok to London Heathrow Airport flight tickets
Air China
13 Oct
BKK18:20Bangkok Suvarnabhumi
31h 55m
1 stop
LHR20:15London Heathrow
27 Oct
LHR17:40London Heathrow
17h 25m
1 stop
BKK18:05Bangkok Suvarnabhumi
£529
Find similar
Air China
26 Oct
BKK01:30Bangkok Suvarnabhumi
21h 25m
1 stop
LHR15:55London Heathrow
31 Oct
LHR17:40London Heathrow
23h 30m
1 stop
BKK00:10Bangkok Suvarnabhumi
£530
Find similar
Air China
13 Oct
BKK18:20Bangkok Suvarnabhumi
31h 55m
1 stop
LHR20:15London Heathrow
27 Oct
LHR17:40London Heathrow
17h 25m
1 stop
BKK18:05Bangkok Suvarnabhumi
£531
Find similar

China Eastern flights from Bangkok to London Heathrow Airport

Our best China Eastern deals on Bangkok to London Heathrow Airport flight tickets
China Eastern
29 Oct
BKK19:55Bangkok Suvarnabhumi
28h 35m
1 stop
LHR17:30London Heathrow
5 Nov
LHR21:00London Heathrow
18h 25m
1 stop
BKK22:25Bangkok Suvarnabhumi
£528
Find similar
China Eastern
29 Oct
BKK19:55Bangkok Suvarnabhumi
28h 35m
1 stop
LHR17:30London Heathrow
5 Nov
LHR21:00London Heathrow
18h 25m
1 stop
BKK22:25Bangkok Suvarnabhumi
£532
Find similar
China Eastern
17 Dec
BKK05:05Bangkok Suvarnabhumi
19h 25m
1 stop
LHR17:30London Heathrow
10 Jan
LHR21:00London Heathrow
18h 25m
1 stop
BKK22:25Bangkok Suvarnabhumi
£536
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Bangkok to London Heathrow 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 279,928 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Bangkok to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 27/10

05:05-17:30

1 stop19h 25m

London Heathrow

Thu 30/10

21:35-12:30

1 stop31h 55m

£517

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 28/2

02:10-18:35

1 stop23h 25m

London Heathrow

Mon 9/3

22:00-11:25

1 stop30h 25m

£517

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 29/10

01:55-17:30

1 stop22h 35m

London Heathrow

Thu 6/11

21:35-12:30

1 stop31h 55m

£519

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 13/11

01:35-17:35

2 stops23h 00m

London Heathrow

Fri 14/11

21:00-10:05

2 stops30h 05m

£521

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 29/10

19:55-17:30

1 stop28h 35m

London Heathrow

Wed 5/11

21:00-22:25

1 stop18h 25m

£528

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 13/10

18:20-20:15

1 stop31h 55m

London Heathrow

Mon 27/10

17:40-18:05

1 stop17h 25m

£529

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 26/10

01:30-15:55

1 stop21h 25m

London Heathrow

Fri 31/10

17:40-00:10

1 stop23h 30m

£530

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 29/10

19:55-17:30

1 stop28h 35m

London Heathrow

Wed 5/11

21:00-22:25

1 stop18h 25m

£532

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 14/12

02:55-12:05

1 stop16h 10m

London Heathrow

Thu 15/1

13:55-23:20

1 stop26h 25m

£541

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 7/10

19:20-19:30

1 stop30h 10m

London Heathrow

Fri 24/10

22:00-10:05

2 stops30h 05m

£542

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

What is the cheapest month to fly to London Heathrow Airport?

In general, March is the cheapest month to fly from Bangkok to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £703. The month of May is another great option to travel to London Heathrow Airport, with average flight prices from Bangkok averaging around £723.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Bangkok is on a Monday. momondo users have found tickets for Monday departures for as low as £748. However, this price may fluctuate depending on the airline, the season, and holidays. 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 London Heathrow Airport on Saturday is £816.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Bangkok to London Heathrow Airport in the afternoon for as low as £620. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £818 on average. Flights to London Heathrow Airport from Bangkok in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Bangkok to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £753 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Bangkok for as low as £678 on momondo.

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

There are 3 cabin classes available to choose from on Bangkok to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Bangkok to London Heathrow Airport flight deals and tips

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

Fastest flight time

12h 30m

Direct flights

Every day
The fastest flight from Bangkok to London Heathrow Airport takes 12h 30m
Direct flights go from Bangkok to London Heathrow Airport every day.
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  • How far is Bangkok to London Heathrow by plane?

    There are 5934.0 mi between Bangkok and London Heathrow. A reasonable flight in good conditions will take 15h 50m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bangkok to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Bangkok to London Heathrow Airport

Compare and see reviews for airlines that fly from Bangkok to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £235Free CancellationRating
7.5
110 reviews
Search China Southern flights
Air IndiaPriceFrom £343Free CancellationRating
5.5
2,930 reviews
Search Air India flights
Austrian AirlinesPriceFrom £448Free CancellationRating
7.6
850 reviews
Search Austrian Airlines flights
China EasternPriceFrom £495Free CancellationRating
7.2
165 reviews
Search China Eastern flights
Kuwait AirwaysPriceFrom £505Free CancellationRating
7.2
306 reviews
Search Kuwait Airways flights
Turkish AirlinesPriceFrom £549Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
SWISSPriceFrom £551Free CancellationRating
7.5
1,730 reviews
Search SWISS flights
Etihad AirwaysPriceFrom £569Free CancellationRating
7.4
1,250 reviews
Search Etihad Airways flights
Vietnam AirlinesPriceFrom £581Free CancellationRating
7.6
201 reviews
Search Vietnam Airlines flights
Qatar AirwaysPriceFrom £594Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights

Travelling to a place near London?

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Why use momondo?

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

It is quick and easy to find Bangkok to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo allows you to filter the results for Bangkok to London flights to just show those with flexible booking policies.

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

Once you have performed a search for Bangkok to London 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 Bangkok to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Bangkok to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London Heathrow Airport trip

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