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Cheap flights from London Heathrow Airport to Bangkok from $684

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 4/7. 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

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to Bangkok.
Hainan Airlines Logo
22:00 - 10:00LHR-BKK
30h 00m2 stops
Hainan Airlines Logo
19:20 - 19:30BKK-LHR
30h 10m2 stops
$814Hainan Airlines
Find Deal
Fri, 6 Jun - Thu, 12 Jun
Hainan Airlines Logo
22:00 - 10:00LHR-BKK
30h 00m2 stops
Hainan Airlines Logo
19:20 - 19:30BKK-LHR
30h 10m2 stops
$815Hainan Airlines
Find Deal
Fri, 6 Jun - Thu, 12 Jun
SWISS Logo
18:40 - 09:45LHR-BKK
33h 05m1 stop
SWISS Logo
12:50 - 07:55BKK-LHR
25h 05m1 stop
$821SWISS
Find Deal
Thu, 12 Jun - Sun, 22 Jun
Shenzhen Airlines Logo
22:05 - 02:15LHR-BKK
22h 10m1 stop
Shenzhen Airlines Logo
19:30 - 19:50BKK-LHR
30h 20m1 stop
$926Shenzhen Airlines
Find Deal
Sun, 8 Jun - Fri, 27 Jun
Shenzhen Airlines Logo
22:05 - 11:10LHR-BKK
31h 05m1 stop
Shenzhen Airlines Logo
12:10 - 20:00BKK-LHR
37h 50m1 stop
$931Shenzhen Airlines
Find Deal
Sat, 17 May - Sat, 14 Jun
Air China Logo
20:25 - 00:05LHR-BKK
21h 40m1 stop
Air China Logo
19:35 - 20:30BKK-LHR
30h 55m1 stop
$934Air China
Find Deal
Fri, 6 Jun - Thu, 12 Jun
Air China Logo
22:40 - 00:05LHR-BKK
19h 25m1 stop
Air China Logo
19:35 - 20:30BKK-LHR
30h 55m1 stop
$936Air China
Find Deal
Fri, 6 Jun - Thu, 12 Jun
SAUDIA Logo
10:00 - 13:45LHR-BKK
21h 45m1 stop
SAUDIA Logo
15:25 - 07:30BKK-LHR
22h 05m1 stop
$1,012SAUDIA
Find Deal
Sat, 10 May - Sun, 22 Jun
SAUDIA Logo
22:10 - 00:10LHR-BKK
20h 00m1 stop
SAUDIA Logo
15:25 - 20:30BKK-LHR
35h 05m2 stops
$1,014SAUDIA
Find Deal
Sun, 4 May - Thu, 15 May
SWISS Logo
17:10 - 09:45LHR-BKK
34h 35m1 stop
SWISS Logo
12:35 - 16:25BKK-LHR
33h 50m1 stop
$1,147SWISS
Find Deal
Sat, 20 Sep - Sun, 28 Sep

SWISS flights from London Heathrow Airport to Bangkok

Our best SWISS deals on London Heathrow Airport to Bangkok flight tickets
SWISS
12 June
LHR18:40London Heathrow
33h 05m
1 stop
BKK09:45Bangkok Suvarnabhumi
22 June
BKK12:50Bangkok Suvarnabhumi
25h 05m
1 stop
LHR07:55London Heathrow
SWISS
20 Sept
LHR17:10London Heathrow
34h 35m
1 stop
BKK09:45Bangkok Suvarnabhumi
28 Sept
BKK12:35Bangkok Suvarnabhumi
33h 50m
1 stop
LHR16:25London Heathrow
SWISS
15 Sept
LHR06:00London Heathrow
21h 45m
1 stop
BKK09:45Bangkok Suvarnabhumi
29 Sept
BKK12:35Bangkok Suvarnabhumi
33h 50m
1 stop
LHR16:25London Heathrow

Kuwait Airways flights from London Heathrow Airport to Bangkok

Our best Kuwait Airways deals on London Heathrow Airport to Bangkok flight tickets
Kuwait Airways
17 Sept
LHR11:45London Heathrow
16h 35m
1 stop
BKK10:20Bangkok Suvarnabhumi
13 Oct
BKK03:25Bangkok Suvarnabhumi
17h 20m
1 stop
LHR14:45London Heathrow
Kuwait Airways
7 May
LHR11:45London Heathrow
16h 35m
1 stop
BKK10:20Bangkok Suvarnabhumi
12 May
BKK03:25Bangkok Suvarnabhumi
18h 30m
1 stop
LHR15:55London Heathrow
Kuwait Airways
22 June
LHR11:45London Heathrow
16h 35m
1 stop
BKK10:20Bangkok Suvarnabhumi
1 July
BKK03:25Bangkok Suvarnabhumi
17h 20m
1 stop
LHR14:45London Heathrow

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 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 $1,275. The month of September is another great option to travel to Bangkok, with average flight prices from London Heathrow Airport averaging around $1,292.

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

The cheapest day to depart on your flight to Bangkok is on a Tuesday when prices can be found for as low as $1,468. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $2,523. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bangkok.

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

Flying to Bangkok from London Heathrow Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as $0 when looking at flights departing at midday. Flights to Bangkok are more costly in the evening, with an average ticket price of $2,288. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 19 weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,459 when searching 19 weeks out.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 $1,335 on momondo.

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

There are 3 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

$684

Fastest flight time

11h 35m

Direct flights

Every day

Airports in Bangkok

1 airport
The best one-way flight to Bangkok from London Heathrow Airport in the past 72 hours is $684. The best return flight deal from London Heathrow Airport to Bangkok found on momondo in the last 72 hours is $814.
The fastest flight from London Heathrow Airport to Bangkok takes 11h 35m
Direct flights go from London Heathrow Airport to Bangkok every day.
There is 1 airport near Bangkok: Bangkok Suvarnabhumi (BKK)

  • How far is London Heathrow to Bangkok by plane?

    The distance between London Heathrow and Bangkok is about 9549.9 km. 13h 20m is a normal flight duration for this route.

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

    Prices for flights from London Heathrow Airport to Bangkok refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 travel and health documents you'll need for your trip to Bangkok 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 licence and a passport that is valid for six months after your intended arrival at Bangkok. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


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?

All flight searches from London to Bangkok on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between London and Bangkok by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 24.8 km from Bangkok