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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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
mån, 1 sep - tis, 30 sep
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
ons, 17 sep - sön, 28 sep
Shenzhen Airlines Logo
22:05 - 02:15LHR-BKK
22h 10m1 stop
Shenzhen Airlines Logo
19:30 - 19:50BKK-LHR
30h 20m1 stop
£334Shenzhen Airlines
Find Deal
fre, 19 sep - sön, 19 okt
Shenzhen Airlines Logo
22:05 - 02:15LHR-BKK
22h 10m1 stop
Shenzhen Airlines Logo
19:30 - 19:50BKK-LHR
30h 20m1 stop
£341Shenzhen Airlines
Find Deal
mån, 15 sep - sön, 28 sep
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
ons, 3 sep - tis, 30 sep
Shenzhen Airlines Logo
22:05 - 11:10LHR-BKK
31h 05m1 stop
Shenzhen Airlines Logo
12:10 - 19:50BKK-LHR
37h 40m1 stop
£343Shenzhen Airlines
Find Deal
fre, 19 sep - fre, 3 okt
Shenzhen Airlines Logo
22:05 - 02:15LHR-BKK
22h 10m1 stop
Shenzhen Airlines Logo
03:15 - 20:00BKK-LHR
22h 45m1 stop
£344Shenzhen Airlines
Find Deal
lör, 20 sep - lör, 18 okt
Shenzhen Airlines Logo
22:05 - 11:10LHR-BKK
31h 05m1 stop
Shenzhen Airlines Logo
19:30 - 19:10BKK-LHR
30h 40m1 stop
£345Shenzhen Airlines
Find Deal
lör, 13 sep - sön, 26 okt
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
mån, 27 okt - sön, 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
mån, 15 sep - tis, 14 okt

Shenzhen Airlines flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Our best Shenzhen Airlines deals on London Heathrow Airport to Bangkok Suvarnabhumi Airport 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
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
Shenzhen Airlines
19 Sept
LHR22:05London Heathrow
22h 10m
1 stop
BKK02:15Bangkok Suvarnabhumi
19 Oct
BKK19:30Bangkok Suvarnabhumi
30h 20m
1 stop
LHR19:50London Heathrow

Hainan Airlines flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Our best Hainan Airlines deals on London Heathrow Airport to Bangkok Suvarnabhumi Airport 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
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
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

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Bangkok Suvarnabhumi 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 31 juli 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

mån 1/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

tis 30/9

03:15-20:00

1 stop22h 45m

£332

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

ons 17/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

sön 28/9

19:30-19:50

1 stop30h 20m

£333

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

fre 19/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

sön 19/10

19:30-19:50

1 stop30h 20m

£334

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

mån 15/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

sön 28/9

19:30-19:50

1 stop30h 20m

£341

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

ons 3/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

tis 30/9

19:30-20:00

1 stop30h 30m

£342

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

fre 19/9

22:05-11:10

1 stop31h 05m

Bangkok Suvarnabhumi

fre 3/10

12:10-19:50

1 stop37h 40m

£343

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

lör 20/9

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

lör 18/10

03:15-20:00

1 stop22h 45m

£344

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

lör 13/9

22:05-11:10

1 stop31h 05m

Bangkok Suvarnabhumi

sön 26/10

19:30-19:10

1 stop30h 40m

£345

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

mån 27/10

21:00-10:05

2 stops30h 05m

Bangkok Suvarnabhumi

sön 16/11

11:10-17:55

2 stops37h 45m

£393

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

mån 15/9

22:00-10:00

2 stops30h 00m

Bangkok Suvarnabhumi

tis 14/10

19:20-19:30

1 stop30h 10m

£393

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 Bangkok from

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

What is the cheapest month to fly to Bangkok Suvarnabhumi Airport?

If you don’t want to visit Bangkok Suvarnabhumi Airport in May, then you should wait until June to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £625.

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

According to our data, Sunday is the cheapest day to fly to Bangkok Suvarnabhumi Airport 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. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Bangkok Suvarnabhumi Airport for around £790.

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

According to our data, the cheapest time of day to fly to Bangkok Suvarnabhumi Airport is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Bangkok Suvarnabhumi Airport in the afternoon for as low as £569. 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 £764 on average. Flights to Bangkok Suvarnabhumi Airport from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London Heathrow to Bangkok Suvarnabhumi flight route?

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

How far in advance should I book a flight to Bangkok Suvarnabhumi Airport?

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport from London Heathrow Airport for as low as £655 on momondo.

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

There are 4 cabin classes available to choose from on London Heathrow to Bangkok Suvarnabhumi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Bangkok Suvarnabhumi Airport flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Bangkok Suvarnabhumi Airport.

How have London Heathrow Airport to Bangkok Suvarnabhumi Airport flight prices changed over time?

As of July 2025, prices for London Heathrow Airport to Bangkok Suvarnabhumi Airport flights are approximately 23% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Bangkok Suvarnabhumi Airport (LHR to BKK) flight deals and tips

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

Best price found

£218

Fastest flight time

22h 10m

Direct flights

Every day
The best one-way flight to Bangkok Suvarnabhumi Airport from London Heathrow Airport in the past 72 hours is £218. The best return flight deal from London Heathrow Airport to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is £332.
The fastest flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport takes 22h 10m
Direct flights go from London Heathrow Airport to Bangkok Suvarnabhumi Airport every day.

  • How far is London Heathrow to Bangkok Suvarnabhumi by plane?

    Bangkok Suvarnabhumi is 5946.7 mi away from London Heathrow. Flights usually cover this in 22h 10m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport are updated daily.

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

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

    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 Suvarnabhumi Airport.

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

    The travel and health documents you'll need for your trip to Bangkok Suvarnabhumi 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 Bangkok Suvarnabhumi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

  • What is the most popular airline from London Heathrow Airport to Bangkok Suvarnabhumi Airport?


Best airlines flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport 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

Travelling to a place near Bangkok?

Book flights to Bangkok if you plan to visit one of these locations
Pattaya
Ko Samet
Cha-am
Ayutthaya
Kanchanaburi
Sattahip
Ko Lan
Chonburi
Pak Chong
Phetchaburi

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bangkok from London.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bangkok from London.

I’m not ready to book a flight from London to Bangkok right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Bangkok flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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tis 5/8
tis 12/8

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