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Cheap flights from London Heathrow Airport to Bangkok from £231

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 12/5. 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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Find the cheapest flights from London Heathrow Airport to Bangkok

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport to Bangkok that have been recently found on momondo from popular airlines, departing in the coming months.
China Southern Logo
22:10 - 10:20LHR-BKK
30h 10m1 stop
China Southern Logo
03:00 - 19:00BKK-LHR
22h 00m1 stop
£370China Southern
Find Deal
Mon, 16 Jun - Mon, 23 Jun
China Eastern Logo
21:20 - 12:30LHR-BKK
33h 10m1 stop
China Eastern Logo
02:10 - 18:40BKK-LHR
22h 30m1 stop
£373China Eastern
Find Deal
Tue, 13 May - Tue, 10 Jun
Shenzhen Airlines Logo
22:05 - 11:10LHR-BKK
31h 05m1 stop
Shenzhen Airlines Logo
03:15 - 20:00BKK-LHR
22h 45m1 stop
£416Shenzhen Airlines
Find Deal
Mon, 2 Jun - Sat, 14 Jun
Shenzhen Airlines Logo
22:05 - 11:10LHR-BKK
31h 05m1 stop
Shenzhen Airlines Logo
19:30 - 20:00BKK-LHR
30h 30m1 stop
£418Shenzhen Airlines
Find Deal
Sat, 24 May - Thu, 19 Jun
SAUDIA Logo
10:00 - 13:45LHR-BKK
21h 45m1 stop
SAUDIA Logo
15:25 - 07:30BKK-LHR
22h 05m1 stop
£430SAUDIA
Find Deal
Sat, 10 May - Sun, 29 Jun
Air China Logo
22:40 - 03:10LHR-BKK
22h 30m2 stops
Air China Logo
01:30 - 17:45BKK-LHR
22h 15m1 stop
£436Air China
Find Deal
Tue, 13 May - Tue, 10 Jun
Air China Logo
22:40 - 00:10LHR-BKK
19h 30m1 stop
Air China Logo
19:35 - 20:30BKK-LHR
30h 55m1 stop
£437Air China
Find Deal
Sat, 10 May - Tue, 20 May
SAUDIA Logo
10:00 - 13:45LHR-BKK
21h 45m1 stop
SAUDIA Logo
15:25 - 07:30BKK-LHR
22h 05m1 stop
£451SAUDIA
Find Deal
Sat, 10 May - Sun, 20 Jul
Air India Logo
12:30 - 13:35LHR-BKK
19h 05m1 stop
Air India Logo
08:40 - 19:00BKK-LHR
16h 20m1 stop
£478Air India
Find Deal
Mon, 30 Jun - Sun, 13 Jul
Air India Logo
12:30 - 13:35LHR-BKK
19h 05m1 stop
Air India Logo
08:40 - 20:00BKK-LHR
17h 20m1 stop
£483Air India
Find Deal
Wed, 25 Jun - Thu, 10 Jul

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
3 May
LHR22:05London Heathrow
22h 10m
1 stop
BKK02:15Bangkok Suvarnabhumi
15 May
BKK03:15Bangkok Suvarnabhumi
22h 45m
1 stop
LHR20:00London Heathrow
Shenzhen Airlines
2 Jun
LHR22:05London Heathrow
31h 05m
1 stop
BKK11:10Bangkok Suvarnabhumi
14 Jun
BKK03:15Bangkok Suvarnabhumi
22h 45m
1 stop
LHR20:00London Heathrow
Shenzhen Airlines
24 May
LHR22:05London Heathrow
31h 05m
1 stop
BKK11:10Bangkok Suvarnabhumi
19 Jun
BKK19:30Bangkok Suvarnabhumi
30h 30m
1 stop
LHR20:00London 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
16 Jun
LHR22:00London Heathrow
30h 00m
2 stops
BKK10:00Bangkok Suvarnabhumi
22 Jun
BKK11:05Bangkok Suvarnabhumi
38h 25m
2 stops
LHR19:30London Heathrow
Hainan Airlines
7 May
LHR22:00London Heathrow
30h 00m
1 stop
BKK10:00Bangkok Suvarnabhumi
15 May
BKK19:20Bangkok Suvarnabhumi
30h 10m
2 stops
LHR19:30London Heathrow
Hainan Airlines
19 May
LHR22:00London Heathrow
30h 00m
2 stops
BKK10:00Bangkok Suvarnabhumi
29 May
BKK19:20Bangkok Suvarnabhumi
30h 10m
2 stops
LHR19:30London Heathrow

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 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 September to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £618.

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 £732. 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 £773.

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 £544. 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 morning when prices are £782 on average. Flights to Bangkok Suvarnabhumi Airport from London Heathrow Airport in the morning 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 19 weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around £698 when searching 19 weeks out.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 £639 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.

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

As of April 2025, prices for London Heathrow Airport to Bangkok Suvarnabhumi Airport flights are approximately 18% 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

£231

Fastest flight time

14h 50m

Direct flights

Every day
The best one-way flight to Bangkok Suvarnabhumi Airport from London Heathrow Airport in the past 72 hours is £231. The best return flight deal from London Heathrow Airport to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is £370.
The fastest flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport takes 14h 50m
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 15h 30m, 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
Norse Atlantic UKPriceFrom £313Free CancellationRating
7.1
45 reviews
Search Norse Atlantic UK flights
SAUDIAPriceFrom £340Free CancellationRating
7.4
611 reviews
Search SAUDIA flights
Shenzhen AirlinesPriceFrom £370Free CancellationRating
6.1
11 reviews
Search Shenzhen Airlines flights
China SouthernPriceFrom £389Free CancellationRating
7.5
96 reviews
Search China Southern flights
Hainan AirlinesPriceFrom £404Free CancellationRating
8.1
38 reviews
Search Hainan Airlines flights
Royal Brunei AirlinesPriceFrom £471Free CancellationRating
5.7
7 reviews
Search Royal Brunei Airlines flights
Air FrancePriceFrom £480Free CancellationRating
7.4
1,444 reviews
Search Air France flights
SWISSPriceFrom £484Free CancellationRating
7.5
1,588 reviews
Search SWISS flights
KLMPriceFrom £488Free CancellationRating
7.8
1,333 reviews
Search KLM flights
Kuwait AirwaysPriceFrom £512Free CancellationRating
7.1
301 reviews
Search Kuwait Airways 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
Chonburi
Ko Lan
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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