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Cheap flights from London Heathrow Airport to Bangkok from £218

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Bangkok departing on 9/9. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to Bangkok

Cheap return flights

Shenzhen Airlines Logo
22:05 - 02:15LHR-BKK
22h 10m1 stop
Shenzhen Airlines Logo
03:15 - 20:00BKK-LHR
22h 45m1 stop
£332Shenzhen Airlines
Find Deal
lun., 1 sept. - mar., 30 sept.
Shenzhen Airlines Logo
22:05 - 11:10LHR-BKK
31h 05m1 stop
Shenzhen Airlines Logo
03:15 - 19:50BKK-LHR
22h 35m1 stop
£333Shenzhen Airlines
Find Deal
ven., 12 sept. - dim., 28 sept.
Shenzhen Airlines Logo
22:05 - 02:15LHR-BKK
22h 10m1 stop
Shenzhen Airlines Logo
19:30 - 19:50BKK-LHR
30h 20m1 stop
£333Shenzhen Airlines
Find Deal
mer., 17 sept. - dim., 28 sept.
Shenzhen Airlines Logo
22:05 - 11:10LHR-BKK
31h 05m1 stop
Shenzhen Airlines Logo
19:30 - 19:50BKK-LHR
30h 20m1 stop
£342Shenzhen Airlines
Find Deal
dim., 14 sept. - dim., 28 sept.
Shenzhen Airlines Logo
22:05 - 02:15LHR-BKK
22h 10m1 stop
Shenzhen Airlines Logo
19:30 - 20:00BKK-LHR
30h 30m1 stop
£342Shenzhen Airlines
Find Deal
mer., 3 sept. - mar., 30 sept.
Shenzhen Airlines Logo
22:05 - 02:15LHR-BKK
22h 10m1 stop
Shenzhen Airlines Logo
03:15 - 19:10BKK-LHR
22h 55m1 stop
£343Shenzhen Airlines
Find Deal
mer., 17 sept. - mar., 9 déc.
Hainan Airlines Logo
21:00 - 10:05LHR-BKK
30h 05m2 stops
Hainan Airlines Logo
11:10 - 17:55BKK-LHR
37h 45m2 stops
£393Hainan Airlines
Find Deal
lun., 27 oct. - dim., 16 nov.
Hainan Airlines Logo
22:00 - 10:00LHR-BKK
30h 00m2 stops
Hainan Airlines Logo
19:20 - 19:30BKK-LHR
30h 10m1 stop
£393Hainan Airlines
Find Deal
lun., 15 sept. - mar., 14 oct.
Hainan Airlines Logo
22:00 - 10:00LHR-BKK
30h 00m2 stops
Hainan Airlines Logo
19:10 - 17:55BKK-LHR
29h 45m2 stops
£394Hainan Airlines
Find Deal
ven., 19 sept. - dim., 9 nov.
Logo
22:05 - 01:15LHR-DMK
21h 10m1 stop
Logo
15:20 - 19:10DMK-LHR
33h 50m2 stops
£526
Find Deal
lun., 8 sept. - dim., 21 sept.

Hainan Airlines flights from London Heathrow Airport to Bangkok

Our best Hainan Airlines deals on London Heathrow Airport to Bangkok flight tickets
Hainan Airlines
27 Oct
LHR21:00London Heathrow
30h 05m
2 stops
BKK10:05Bangkok Suvarnabhumi
16 Nov
BKK11:10Bangkok Suvarnabhumi
37h 45m
2 stops
LHR17:55London Heathrow
£393
Find similar
Hainan Airlines
15 Sept
LHR22:00London Heathrow
30h 00m
2 stops
BKK10:00Bangkok Suvarnabhumi
14 Oct
BKK19:20Bangkok Suvarnabhumi
30h 10m
1 stop
LHR19:30London Heathrow
£393
Find similar
Hainan Airlines
19 Sept
LHR22:00London Heathrow
30h 00m
2 stops
BKK10:00Bangkok Suvarnabhumi
9 Nov
BKK19:10Bangkok Suvarnabhumi
29h 45m
2 stops
LHR17:55London Heathrow
£394
Find similar

Shenzhen Airlines flights from London Heathrow Airport to Bangkok

Our best Shenzhen Airlines deals on London Heathrow Airport to Bangkok flight tickets
Shenzhen Airlines
1 Sept
LHR22:05London Heathrow
22h 10m
1 stop
BKK02:15Bangkok Suvarnabhumi
30 Sept
BKK03:15Bangkok Suvarnabhumi
22h 45m
1 stop
LHR20:00London Heathrow
£332
Find similar
Shenzhen Airlines
12 Sept
LHR22:05London Heathrow
31h 05m
1 stop
BKK11:10Bangkok Suvarnabhumi
28 Sept
BKK03:15Bangkok Suvarnabhumi
22h 35m
1 stop
LHR19:50London Heathrow
£333
Find similar
Shenzhen Airlines
17 Sept
LHR22:05London Heathrow
22h 10m
1 stop
BKK02:15Bangkok Suvarnabhumi
28 Sept
BKK19:30Bangkok Suvarnabhumi
30h 20m
1 stop
LHR19:50London Heathrow
£333
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Bangkok 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 31 juillet 2025.
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

lun. 1/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

mar. 30/9

03:15-20:00

1 stop22h 45m

£332

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

ven. 12/9

22:05-11:10

1 stop31h 05m

Bangkok Suvarnabhumi

dim. 28/9

03:15-19:50

1 stop22h 35m

£333

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

mer. 17/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

dim. 28/9

19:30-19:50

1 stop30h 20m

£333

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

dim. 14/9

22:05-11:10

1 stop31h 05m

Bangkok Suvarnabhumi

dim. 28/9

19:30-19:50

1 stop30h 20m

£342

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

mer. 3/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

mar. 30/9

19:30-20:00

1 stop30h 30m

£342

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

mer. 17/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

mar. 9/12

03:15-19:10

1 stop22h 55m

£343

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

lun. 27/10

21:00-10:05

2 stops30h 05m

Bangkok Suvarnabhumi

dim. 16/11

11:10-17:55

2 stops37h 45m

£393

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

lun. 15/9

22:00-10:00

2 stops30h 00m

Bangkok Suvarnabhumi

mar. 14/10

19:20-19:30

1 stop30h 10m

£393

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

ven. 19/9

22:00-10:00

2 stops30h 00m

Bangkok Suvarnabhumi

dim. 9/11

19:10-17:55

2 stops29h 45m

£394

LondonBangkok

LHR - DMK

LHRDMK

London Heathrow

lun. 8/9

22:05-01:15

1 stop21h 10m

Bangkok Don Mueang Intl

dim. 21/9

15:20-19:10

2 stops33h 50m

£526

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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?

The month of May is, on average, the cheapest month to fly to Bangkok from London Heathrow Airport, with most prices found around £620. The month of June is another great option to travel to Bangkok, with average flight prices from London Heathrow Airport averaging around £625.

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

According to our data, Sunday is the cheapest day to fly to Bangkok from London Heathrow Airport. The lowest ticket price found for a Sunday departure recently was £730. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. 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 Bangkok on Saturday is £790.

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

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Bangkok when you can find flight prices for as low as £569. Flying to Bangkok in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around £764. 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 £709 when searching weeks before you fly. 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 £655 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

Best price found

£218

Fastest flight time

19h 05m

Direct flights

Every day

Airports in Bangkok

2 airports
The best one-way flight to Bangkok from London Heathrow Airport in the past 72 hours is £218. The best return flight deal from London Heathrow Airport to Bangkok found on momondo in the last 72 hours is £332.
The fastest flight from London Heathrow Airport to Bangkok takes 19h 05m
Direct flights go from London Heathrow Airport to Bangkok every day.
There are 2 airports near Bangkok: Bangkok Suvarnabhumi (BKK), Bangkok Don Mueang Intl (DMK)
Search flight deals

  • How far is London Heathrow to Bangkok by plane?

    The distance between London Heathrow and Bangkok is about 5934.0 mi. By plane, this route typically takes 19h 05m.

  • 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?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Bangkok.

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

    The required travel and health documents for your Bangkok trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bangkok. We recommend that you seek guidance from your airline or a reliable 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
SAUDIAPriceFrom £339Free CancellationRating
7.4
627 reviews
Search SAUDIA flights
Hainan AirlinesPriceFrom £382Free CancellationRating
8.2
43 reviews
Search Hainan Airlines flights
Royal Brunei AirlinesPriceFrom £453Free CancellationRating
5.7
7 reviews
Search Royal Brunei Airlines flights
Norse Atlantic UKPriceFrom £459Free CancellationRating
7.2
47 reviews
Search Norse Atlantic UK flights
SWISSPriceFrom £488Free CancellationRating
7.5
1,686 reviews
Search SWISS flights
KLMPriceFrom £491Free CancellationRating
7.8
1,383 reviews
Search KLM flights
Air FrancePriceFrom £492Free CancellationRating
7.5
1,465 reviews
Search Air France flights
LufthansaPriceFrom £494Free CancellationRating
6.8
7,269 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom £513Free CancellationRating
7.3
3,928 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom £527Free CancellationRating
7.6
823 reviews
Search Austrian Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Bangkok for you.

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

momondo does allow users to show only those flights to Bangkok from London which offer a flexible booking policy as well as other useful filters and features.

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?

If you are simply researching potential flights to Bangkok, momondo offers a useful price alert feature which will track prices for flights to Bangkok from London and alert you when they change.

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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
Bangkok Suvarnabhumi Airport
Bangkok Don Mueang Intl Airport