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Cheap flights from London to Bangkok from $626

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 3/3. 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

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China Southern Logo
17:15 - 01:05LHR-BKK
24h 50m2 stops
China Southern Logo
02:10 - 18:35BKK-LHR
23h 25m1 stop
$934China Southern
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Sun, 25 Jan - Fri, 6 Feb
Norse Atlantic UK Logo
16:00 - 10:25LGW-BKK
11h 25mdirect
Norse Atlantic UK Logo
12:30 - 18:30BKK-LGW
13h 00mdirect
$937Norse Atlantic UK
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Tue, 18 Nov - Wed, 3 Dec
Multiple Airlines Logo
13:45 - 10:45LHR-BKK
14h 00m1 stop
Multiple Airlines Logo
23:50 - 08:20BKK-LHR
15h 30m1 stop
$940Multiple Airlines
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Wed, 3 Dec - Wed, 24 Dec
Multiple Airlines Logo
20:55 - 07:10LGW-BKK
27h 15m1 stop
Multiple Airlines Logo
03:20 - 16:55BKK-LGW
20h 35m1 stop
$943Multiple Airlines
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Fri, 5 Dec - Wed, 17 Dec
Shenzhen Airlines Logo
21:10 - 02:15LHR-BKK
22h 05m1 stop
Shenzhen Airlines Logo
19:30 - 19:10BKK-LHR
30h 40m1 stop
$951Shenzhen Airlines
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Wed, 26 Nov - Fri, 19 Dec
Shenzhen Airlines Logo
21:10 - 02:15LHR-BKK
22h 05m1 stop
Shenzhen Airlines Logo
12:10 - 19:10BKK-LHR
38h 00m1 stop
$953Shenzhen Airlines
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Fri, 28 Nov - Fri, 19 Dec
SWISS Logo
12:05 - 10:45LHR-BKK
15h 40m1 stop
SWISS Logo
13:15 - 21:40BKK-LHR
15h 25m1 stop
$965SWISS
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Fri, 5 Dec - Thu, 11 Dec
China Eastern Logo
10:30 - 00:55LGW-BKK
31h 25m1 stop
China Eastern Logo
21:05 - 06:30BKK-LGW
40h 25m2 stops
$971China Eastern
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Sun, 23 Nov - Fri, 5 Dec
China Eastern Logo
10:30 - 00:55LGW-BKK
31h 25m1 stop
China Eastern Logo
07:50 - 14:00BKK-LGW
37h 10m2 stops
$973China Eastern
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Sun, 23 Nov - Fri, 5 Dec
SWISS Logo
13:45 - 10:45LHR-BKK
14h 00m1 stop
SWISS Logo
13:15 - 21:40BKK-LHR
15h 25m1 stop
$1,014SWISS
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Thu, 4 Dec - Fri, 12 Dec

Shenzhen Airlines flights from London to Bangkok Suvarnabhumi Airport

Our best Shenzhen Airlines deals on London to Bangkok Suvarnabhumi Airport flight tickets
Shenzhen Airlines
26 Nov
LHR21:10London Heathrow
22h 05m
1 stop
BKK02:15Bangkok Suvarnabhumi
19 Dec
BKK19:30Bangkok Suvarnabhumi
30h 40m
1 stop
LHR19:10London Heathrow
$951
Find similar
Shenzhen Airlines
28 Nov
LHR21:10London Heathrow
22h 05m
1 stop
BKK02:15Bangkok Suvarnabhumi
19 Dec
BKK12:10Bangkok Suvarnabhumi
38h 00m
1 stop
LHR19:10London Heathrow
$953
Find similar
Shenzhen Airlines
23 Nov
LHR21:10London Heathrow
38h 20m
1 stop
BKK18:30Bangkok Suvarnabhumi
19 Dec
BKK19:30Bangkok Suvarnabhumi
30h 40m
1 stop
LHR19:10London Heathrow
$954
Find similar

Norse Atlantic UK flights from London to Bangkok Suvarnabhumi Airport

Our best Norse Atlantic UK deals on London to Bangkok Suvarnabhumi Airport flight tickets
Norse Atlantic UK
18 Nov
LGW16:00London Gatwick
11h 25m
BKK10:25Bangkok Suvarnabhumi
3 Dec
BKK12:30Bangkok Suvarnabhumi
13h 00m
LGW18:30London Gatwick
$937
Find similar
Norse Atlantic UK
3 Dec
LGW16:00London Gatwick
11h 25m
BKK10:25Bangkok Suvarnabhumi
24 Dec
BKK12:30Bangkok Suvarnabhumi
13h 00m
LGW18:30London Gatwick
$939
Find similar
Norse Atlantic UK
3 Dec
LGW16:00London Gatwick
11h 25m
BKK10:25Bangkok Suvarnabhumi
17 Dec
BKK12:30Bangkok Suvarnabhumi
13h 00m
LGW18:30London Gatwick
$940
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London 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 78,305 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from London to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 25/1

17:15-01:05

2 stops24h 50m

Bangkok Suvarnabhumi

Fri 6/2

02:10-18:35

1 stop23h 25m

$934

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 18/11

16:00-10:25

Nonstop11h 25m

Bangkok Suvarnabhumi

Wed 3/12

12:30-18:30

Nonstop13h 00m

$937

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 3/12

13:45-10:45

1 stop14h 00m

Bangkok Suvarnabhumi

Wed 24/12

23:50-08:20

1 stop15h 30m

$940

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 5/12

20:55-07:10

1 stop27h 15m

Bangkok Suvarnabhumi

Wed 17/12

03:20-16:55

1 stop20h 35m

$943

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 26/11

21:10-02:15

1 stop22h 05m

Bangkok Suvarnabhumi

Fri 19/12

19:30-19:10

1 stop30h 40m

$951

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 28/11

21:10-02:15

1 stop22h 05m

Bangkok Suvarnabhumi

Fri 19/12

12:10-19:10

1 stop38h 00m

$953

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 5/12

12:05-10:45

1 stop15h 40m

Bangkok Suvarnabhumi

Thu 11/12

13:15-21:40

1 stop15h 25m

$965

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 23/11

10:30-00:55

1 stop31h 25m

Bangkok Suvarnabhumi

Fri 5/12

21:05-06:30

2 stops40h 25m

$971

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 23/11

10:30-00:55

1 stop31h 25m

Bangkok Suvarnabhumi

Fri 5/12

07:50-14:00

2 stops37h 10m

$973

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 4/12

13:45-10:45

1 stop14h 00m

Bangkok Suvarnabhumi

Fri 12/12

13:15-21:40

1 stop15h 25m

$1,014

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 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 and Bangkok Suvarnabhumi Airport?

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

If you are unable to visit Bangkok Suvarnabhumi Airport during the month of May, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around $1,122.

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

On average, the least expensive day to fly to Bangkok Suvarnabhumi Airport from London is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,251. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Bangkok Suvarnabhumi Airport on Friday is $2,704.

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 morning. momondo users have found flights departing from London to Bangkok Suvarnabhumi Airport in the morning for as low as $1,984. 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 $2,136 on average. Flights to Bangkok Suvarnabhumi Airport from London in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London to Bangkok Suvarnabhumi flight route?

Fly from London Gatwick to Bangkok Suvarnabhumi for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around $1,453 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 for as low as $1,340 on momondo.

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

There are 3 cabin classes available to choose from on London 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 to Bangkok Suvarnabhumi Airport flights?

You could potentially save up to 18% on your flight if you consider stops on a London to Bangkok Suvarnabhumi Airport flight.

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

As of November 2025, prices for London to Bangkok Suvarnabhumi Airport flights are approximately 19% cheaper when compared to flights at the same time last year.

When to book flights from London to Bangkok Suvarnabhumi Airport

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

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

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

Fastest flight time

11h 15m

Direct flights

Mon, Wed, Thu and Sat
The fastest flight from London to Bangkok Suvarnabhumi Airport takes 11h 15m
Direct flights go from London to Bangkok Suvarnabhumi Airport on Monday, Wednesday, Thursday and Saturday. There are no airlines offering direct flights..
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  • How far is London to Bangkok Suvarnabhumi by plane?

    London and Bangkok Suvarnabhumi are 9547.4 km apart from one another. 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 Suvarnabhumi Airport?

    Prices for flights from London to Bangkok Suvarnabhumi Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Bangkok Suvarnabhumi Airport.

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

    The travel and health documents required for your trip to Bangkok Suvarnabhumi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Bangkok Suvarnabhumi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Travelling to a place near Bangkok?

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

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?

Yes. All flights to Bangkok from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential London to Bangkok flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Bangkok from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Bangkok Suvarnabhumi Airport trip

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