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Cheap flights from London to Bangkok from $611

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 to Bangkok departing on 31/1. 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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Multiple Airlines Logo
17:40 - 07:10LGW-BKK
30h 30m1 stop
Multiple Airlines Logo
12:20 - 16:55BKK-LGW
35h 35m1 stop
$911Multiple Airlines
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Fri, 28 Nov - Fri, 5 Dec
Multiple Airlines Logo
17:40 - 07:10LGW-BKK
30h 30m1 stop
Multiple Airlines Logo
12:20 - 16:55BKK-LGW
35h 35m1 stop
$914Multiple Airlines
Find Deal
Fri, 28 Nov - Fri, 5 Dec
Norse Atlantic UK Logo
16:00 - 10:25LGW-BKK
11h 25mdirect
Norse Atlantic UK Logo
12:30 - 18:30BKK-LGW
13h 00mdirect
$919Norse Atlantic UK
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Wed, 26 Nov - Wed, 3 Dec
Air China Logo
17:40 - 00:10LHR-BKK
23h 30m1 stop
Air China Logo
19:30 - 15:55BKK-LHR
27h 25m1 stop
$926Air China
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Thu, 4 Dec - Thu, 25 Dec
Austrian Airlines Logo
19:25 - 15:30LHR-BKK
13h 05m1 stop
Austrian Airlines Logo
14:00 - 21:40BKK-LHR
14h 40m1 stop
$937Austrian Airlines
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Tue, 6 Jan - Mon, 19 Jan
Air China Logo
20:25 - 00:10LHR-BKK
20h 45m1 stop
Air China Logo
01:30 - 15:55BKK-LHR
21h 25m1 stop
$946Air China
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Sun, 16 Nov - Thu, 20 Nov
Norse Atlantic UK Logo
16:10 - 10:25LGW-BKK
11h 15mdirect
Norse Atlantic UK Logo
12:30 - 18:30BKK-LGW
13h 00mdirect
$952Norse Atlantic UK
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Sun, 16 Nov - Wed, 3 Dec
SWISS Logo
20:05 - 10:45LHR-BKK
31h 40m1 stop
SWISS Logo
12:50 - 07:55BKK-LHR
25h 05m1 stop
$954SWISS
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Mon, 23 Mar - Tue, 26 May
SWISS Logo
12:05 - 10:45LHR-BKK
15h 40m1 stop
SWISS Logo
12:50 - 07:55BKK-LHR
25h 05m1 stop
$1,034SWISS
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Tue, 24 Mar - Tue, 26 May
Austrian Airlines Logo
19:25 - 15:30LHR-BKK
13h 05m1 stop
Austrian Airlines Logo
14:00 - 21:40BKK-LHR
14h 40m1 stop
$1,070Austrian Airlines
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Sat, 10 Jan - Mon, 19 Jan

Etihad Airways flights from London to Bangkok

Our best Etihad Airways deals on London to Bangkok flight tickets
Etihad Airways
11 Jan
LHR20:55London Heathrow
19h 25m
1 stop
BKK23:20Bangkok Suvarnabhumi
16 Feb
BKK02:55Bangkok Suvarnabhumi
34h 45m
1 stop
LHR06:40London Heathrow
$1,049
Find similar
Etihad Airways
1 Dec
LHR08:50London Heathrow
31h 30m
1 stop
BKK23:20Bangkok Suvarnabhumi
16 Dec
BKK14:40Bangkok Suvarnabhumi
23h 00m
1 stop
LHR06:40London Heathrow
$1,051
Find similar
Etihad Airways
4 Dec
LHR20:55London Heathrow
19h 25m
1 stop
BKK23:20Bangkok Suvarnabhumi
11 Dec
BKK02:55Bangkok Suvarnabhumi
18h 35m
1 stop
LHR14:30London Heathrow
$1,052
Find similar

Scandinavian Airlines flights from London to Bangkok

Our best Scandinavian Airlines deals on London to Bangkok flight tickets
Scandinavian Airlines
22 Nov
LHR10:35London Heathrow
22h 45m
2 stops
BKK16:20Bangkok Suvarnabhumi
14 Dec
BKK22:50Bangkok Suvarnabhumi
26h 40m
1 stop
LHR18:30London Heathrow
$1,096
Find similar
Scandinavian Airlines
29 Nov
LHR10:35London Heathrow
22h 45m
2 stops
BKK16:20Bangkok Suvarnabhumi
16 Jan
BKK09:05Bangkok Suvarnabhumi
31h 30m
2 stops
LHR09:35London Heathrow
$1,101
Find similar
Scandinavian Airlines
22 Nov
LHR10:35London Heathrow
22h 45m
2 stops
BKK16:20Bangkok Suvarnabhumi
7 Dec
BKK22:50Bangkok Suvarnabhumi
24h 35m
2 stops
LHR16:25London Heathrow
$1,114
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momondo Fare Finder

 
Customise your flight search to find flights from London 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 78,305 searches. Data last updated 30 October 2025.
Use the filters below to find and compare flights from London to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 28/11

17:40-07:10

1 stop30h 30m

Bangkok Suvarnabhumi

Fri 5/12

12:20-16:55

1 stop35h 35m

$911

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 28/11

17:40-07:10

1 stop30h 30m

Bangkok Suvarnabhumi

Fri 5/12

12:20-16:55

1 stop35h 35m

$914

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 26/11

16:00-10:25

Nonstop11h 25m

Bangkok Suvarnabhumi

Wed 3/12

12:30-18:30

Nonstop13h 00m

$919

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 4/12

17:40-00:10

1 stop23h 30m

Bangkok Suvarnabhumi

Thu 25/12

19:30-15:55

1 stop27h 25m

$926

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 6/1

19:25-15:30

1 stop13h 05m

Bangkok Suvarnabhumi

Mon 19/1

14:00-21:40

1 stop14h 40m

$937

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 16/11

20:25-00:10

1 stop20h 45m

Bangkok Suvarnabhumi

Thu 20/11

01:30-15:55

1 stop21h 25m

$946

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 16/11

16:10-10:25

Nonstop11h 15m

Bangkok Suvarnabhumi

Wed 3/12

12:30-18:30

Nonstop13h 00m

$952

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 23/3

20:05-10:45

1 stop31h 40m

Bangkok Suvarnabhumi

Tue 26/5

12:50-07:55

1 stop25h 05m

$954

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 24/3

12:05-10:45

1 stop15h 40m

Bangkok Suvarnabhumi

Tue 26/5

12:50-07:55

1 stop25h 05m

$1,034

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 10/1

19:25-15:30

1 stop13h 05m

Bangkok Suvarnabhumi

Mon 19/1

14:00-21:40

1 stop14h 40m

$1,070

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 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, with most prices found around $817. The month of September is another great option to travel to Bangkok, with average flight prices from London averaging around $1,105.

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 $1,233. 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 Friday because tickets tend to average around $2,664. 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 in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,892 when looking at flights departing in the morning. Flights to Bangkok are more costly in the evening, with an average ticket price of $2,097. 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 to Bangkok flight route?

Fly from London Gatwick to Bangkok Suvarnabhumi for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,432 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 for as low as $1,321 on momondo.

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

There are 3 cabin classes available to choose from on London 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 to Bangkok flight deals and tips

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

Fastest flight time

11h 15m

Direct flights

Every day

Airports in Bangkok

1 airport
The fastest flight from London to Bangkok takes 11h 15m
Direct flights go from London to Bangkok every day.
There is 1 airport near Bangkok: Bangkok Suvarnabhumi (BKK)
Search flight deals

  • How far is London to Bangkok by plane?

    Bangkok is 9527.1 km away from London. Flights usually cover this in 11h 15m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to Bangkok refresh daily.

  • How old do you have to be to fly from London 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from London to Bangkok.

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

    The necessary travel and health documents for your Bangkok trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

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?

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 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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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
Bangkok Suvarnabhumi Airport
Bangkok Don Mueang Intl Airport