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Cheap flights from Bangkok to London from £174

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 5/12. 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

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SAUDIA Logo
15:20 - 07:30BKK-LHR
23h 10m1 stop
SAUDIA Logo
22:05 - 23:30LHR-BKK
18h 25m1 stop
£518SAUDIA
Find Deal
Tue, 27 Jan - Thu, 29 Jan
Multiple Airlines Logo
08:20 - 18:35BKK-LHR
17h 15m1 stop
Multiple Airlines Logo
06:40 - 09:10LHR-BKK
20h 30m1 stop
£519Multiple Airlines
Find Deal
Fri, 27 Mar - Sun, 5 Apr
Multiple Airlines Logo
01:55 - 17:30BKK-LHR
22h 35m1 stop
Multiple Airlines Logo
21:10 - 02:15LHR-BKK
22h 05m1 stop
£519Multiple Airlines
Find Deal
Thu, 27 Nov - Sun, 30 Nov
Multiple Airlines Logo
19:10 - 16:20BKK-LHR
28h 10m1 stop
Multiple Airlines Logo
06:45 - 21:05LHR-BKK
31h 20m2 stops
£521Multiple Airlines
Find Deal
Tue, 13 Jan - Wed, 11 Mar
China Southern Logo
08:20 - 18:35BKK-LHR
17h 15m1 stop
China Southern Logo
22:00 - 10:10LHR-BKK
29h 10m1 stop
£524China Southern
Find Deal
Thu, 20 Nov - Mon, 24 Nov
China Southern Logo
08:20 - 18:35BKK-LHR
17h 15m1 stop
China Southern Logo
17:15 - 01:05LHR-BKK
24h 50m2 stops
£525China Southern
Find Deal
Thu, 4 Dec - Sun, 4 Jan
Etihad Airways Logo
09:25 - 06:40BKK-LHR
28h 15m1 stop
Etihad Airways Logo
20:55 - 23:20LHR-BKK
19h 25m1 stop
£542Etihad Airways
Find Deal
Fri, 26 Dec - Tue, 13 Jan
Etihad Airways Logo
02:55 - 18:10BKK-LHR
22h 15m1 stop
Etihad Airways Logo
13:55 - 23:20LHR-BKK
26h 25m1 stop
£551Etihad Airways
Find Deal
Wed, 17 Dec - Wed, 28 Jan
China Eastern Logo
01:55 - 17:30BKK-LHR
22h 35m1 stop
China Eastern Logo
21:00 - 01:55LHR-BKK
21h 55m1 stop
£556China Eastern
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Tue, 18 Nov - Sun, 23 Nov
Malaysia Airlines Logo
18:40 - 16:35BKK-LHR
27h 55m1 stop
Malaysia Airlines Logo
21:35 - 23:05LHR-BKK
19h 30m1 stop
£561Malaysia Airlines
Find Deal
Wed, 29 Apr - Fri, 15 May

SAUDIA flights from Bangkok to London Heathrow Airport

Our best SAUDIA deals on Bangkok to London Heathrow Airport flight tickets
SAUDIA
27 Jan
BKK15:20Bangkok Suvarnabhumi
23h 10m
1 stop
LHR07:30London Heathrow
29 Jan
LHR22:05London Heathrow
18h 25m
1 stop
BKK23:30Bangkok Suvarnabhumi
£518
Find similar
SAUDIA
10 Nov
BKK15:20Bangkok Suvarnabhumi
75h 55m
1 stop
LHR12:15London Heathrow
13 Nov
LHR22:05London Heathrow
18h 25m
1 stop
BKK23:30Bangkok Suvarnabhumi
£521
Find similar
SAUDIA
10 Dec
BKK01:15Bangkok Suvarnabhumi
26h 05m
1 stop
LHR20:20London Heathrow
8 Jan
LHR22:05London Heathrow
18h 25m
1 stop
BKK23:30Bangkok Suvarnabhumi
£522
Find similar

Hainan Airlines flights from Bangkok to London Heathrow Airport

Our best Hainan Airlines deals on Bangkok to London Heathrow Airport flight tickets
Hainan Airlines
18 Dec
BKK19:10Bangkok Suvarnabhumi
29h 25m
2 stops
LHR17:35London Heathrow
28 Jan
LHR19:45London Heathrow
31h 20m
1 stop
BKK10:05Bangkok Suvarnabhumi
£523
Find similar
Hainan Airlines
8 Nov
BKK11:10Bangkok Suvarnabhumi
37h 45m
1 stop
LHR17:55London Heathrow
16 Nov
LHR21:15London Heathrow
37h 50m
1 stop
BKK18:05Bangkok Suvarnabhumi
£525
Find similar
Hainan Airlines
13 Nov
BKK11:10Bangkok Suvarnabhumi
37h 25m
2 stops
LHR17:35London Heathrow
17 Nov
LHR21:00London Heathrow
30h 05m
2 stops
BKK10:05Bangkok Suvarnabhumi
£527
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 7 November 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

Tue 27/1

15:20-07:30

1 stop23h 10m

London Heathrow

Thu 29/1

22:05-23:30

1 stop18h 25m

£518

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 27/3

08:20-18:35

1 stop17h 15m

London Heathrow

Sun 5/4

06:40-09:10

1 stop20h 30m

£519

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 27/11

01:55-17:30

1 stop22h 35m

London Heathrow

Sun 30/11

21:10-02:15

1 stop22h 05m

£519

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 13/1

19:10-16:20

1 stop28h 10m

London Heathrow

Wed 11/3

06:45-21:05

2 stops31h 20m

£521

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 20/11

08:20-18:35

1 stop17h 15m

London Heathrow

Mon 24/11

22:00-10:10

1 stop29h 10m

£524

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 4/12

08:20-18:35

1 stop17h 15m

London Heathrow

Sun 4/1

17:15-01:05

2 stops24h 50m

£525

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 26/12

09:25-06:40

1 stop28h 15m

London Heathrow

Tue 13/1

20:55-23:20

1 stop19h 25m

£542

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 17/12

02:55-18:10

1 stop22h 15m

London Heathrow

Wed 28/1

13:55-23:20

1 stop26h 25m

£551

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 18/11

01:55-17:30

1 stop22h 35m

London Heathrow

Sun 23/11

21:00-01:55

1 stop21h 55m

£556

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 29/4

18:40-16:35

1 stop27h 55m

London Heathrow

Fri 15/5

21:35-23:05

1 stop19h 30m

£561

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, November 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 £687. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Bangkok averaging around £735.

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 £773. 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 £834.

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 £644. 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 £856 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 £776 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 £708 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

13h 00m

Direct flights

Every day
The fastest flight from Bangkok to London Heathrow Airport takes 13h 00m
Direct flights go from Bangkok to London Heathrow Airport every day.
Search flight deals

  • 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 45m.

  • 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 £243Free CancellationRating
7.5
119 reviews
Search China Southern flights
Air IndiaPriceFrom £356Free CancellationRating
5.5
2,942 reviews
Search Air India flights
Austrian AirlinesPriceFrom £465Free CancellationRating
7.6
865 reviews
Search Austrian Airlines flights
SAUDIAPriceFrom £487Free CancellationRating
7.4
639 reviews
Search SAUDIA flights
China EasternPriceFrom £518Free CancellationRating
7.2
174 reviews
Search China Eastern flights
Kuwait AirwaysPriceFrom £525Free CancellationRating
7.2
316 reviews
Search Kuwait Airways flights
Turkish AirlinesPriceFrom £570Free CancellationRating
7.3
4,033 reviews
Search Turkish Airlines flights
SWISSPriceFrom £572Free CancellationRating
7.5
1,779 reviews
Search SWISS flights
Malaysia AirlinesPriceFrom £573Free CancellationRating
7.3
279 reviews
Search Malaysia Airlines flights
Etihad AirwaysPriceFrom £590Free CancellationRating
7.4
1,285 reviews
Search Etihad Airways flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Hayes

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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