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Cheap flights from London to Bangkok from $620

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 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

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Shenzhen Airlines Logo
21:10 - 11:10LHR-BKK
31h 00m1 stop
Shenzhen Airlines Logo
19:30 - 19:10BKK-LHR
30h 40m1 stop
$919Shenzhen Airlines
Find Deal
Sun, 8 Mar - Sun, 22 Mar
Multiple Airlines Logo
09:15 - 10:10LGW-BKK
17h 55m1 stop
Multiple Airlines Logo
12:40 - 08:35BKK-LGW
26h 55m1 stop
$920Multiple Airlines
Find Deal
Thu, 6 Nov - Mon, 10 Nov
China Southern Logo
22:00 - 12:55LHR-BKK
31h 55m1 stop
China Southern Logo
02:10 - 18:35BKK-LHR
23h 25m1 stop
$925China Southern
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Thu, 13 Nov - Tue, 18 Nov
China Southern Logo
22:00 - 01:05LHR-BKK
20h 05m1 stop
China Southern Logo
02:10 - 18:35BKK-LHR
23h 25m1 stop
$927China Southern
Find Deal
Sun, 16 Nov - Wed, 26 Nov
China Eastern Logo
10:30 - 12:20LGW-BKK
18h 50m1 stop
China Eastern Logo
13:35 - 06:30BKK-LGW
23h 55m1 stop
$936China Eastern
Find Deal
Thu, 13 Nov - Wed, 19 Nov
Norse Atlantic UK Logo
16:00 - 10:25LGW-BKK
11h 25mdirect
Norse Atlantic UK Logo
08:25 - 14:25BKK-LGW
13h 00mdirect
$940Norse Atlantic UK
Find Deal
Tue, 2 Dec - Tue, 16 Dec
Norse Atlantic UK Logo
16:00 - 10:25LGW-BKK
11h 25mdirect
Norse Atlantic UK Logo
12:25 - 18:20BKK-LGW
12h 55mdirect
$963Norse Atlantic UK
Find Deal
Tue, 18 Nov - Thu, 4 Dec
SWISS Logo
18:40 - 10:45LHR-BKK
33h 05m1 stop
SWISS Logo
12:50 - 21:45BKK-LHR
14h 55m1 stop
$963SWISS
Find Deal
Mon, 23 Mar - Tue, 2 Jun
SWISS Logo
18:40 - 10:45LHR-BKK
33h 05m1 stop
SWISS Logo
12:50 - 07:55BKK-LHR
25h 05m1 stop
$982SWISS
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Mon, 23 Mar - Mon, 25 May
China Eastern Logo
10:30 - 12:20LGW-BKK
18h 50m1 stop
China Eastern Logo
13:35 - 06:30BKK-LGW
23h 55m1 stop
$1,019China Eastern
Find Deal
Thu, 20 Nov - Tue, 25 Nov

Shenzhen Airlines flights from London to Bangkok Suvarnabhumi Airport

Our best Shenzhen Airlines deals on London to Bangkok Suvarnabhumi Airport flight tickets
Shenzhen Airlines
8 Mar
LHR21:10London Heathrow
31h 00m
1 stop
BKK11:10Bangkok Suvarnabhumi
22 Mar
BKK19:30Bangkok Suvarnabhumi
30h 40m
1 stop
LHR19:10London Heathrow
$919
Find similar
Shenzhen Airlines
5 Dec
LHR21:10London Heathrow
22h 05m
1 stop
BKK02:15Bangkok Suvarnabhumi
23 Dec
BKK03:15Bangkok Suvarnabhumi
22h 55m
1 stop
LHR19:10London Heathrow
$966
Find similar
Shenzhen Airlines
7 Jan
LHR21:10London Heathrow
22h 05m
1 stop
BKK02:15Bangkok Suvarnabhumi
27 Feb
BKK19:30Bangkok Suvarnabhumi
30h 40m
1 stop
LHR19:10London Heathrow
$986
Find similar

China Southern flights from London to Bangkok Suvarnabhumi Airport

Our best China Southern deals on London to Bangkok Suvarnabhumi Airport flight tickets
China Southern
13 Nov
LHR22:00London Heathrow
31h 55m
1 stop
BKK12:55Bangkok Suvarnabhumi
18 Nov
BKK02:10Bangkok Suvarnabhumi
23h 25m
1 stop
LHR18:35London Heathrow
$925
Find similar
China Southern
16 Nov
LHR22:00London Heathrow
20h 05m
1 stop
BKK01:05Bangkok Suvarnabhumi
26 Nov
BKK02:10Bangkok Suvarnabhumi
23h 25m
1 stop
LHR18:35London Heathrow
$927
Find similar
China Southern
20 Nov
LHR22:00London Heathrow
33h 30m
1 stop
BKK14:30Bangkok Suvarnabhumi
25 Nov
BKK15:45Bangkok Suvarnabhumi
29h 15m
2 stops
LHR14:00London Heathrow
$943
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 27 October 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 8/3

21:10-11:10

1 stop31h 00m

Bangkok Suvarnabhumi

Sun 22/3

19:30-19:10

1 stop30h 40m

$919

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 6/11

09:15-10:10

1 stop17h 55m

Bangkok Suvarnabhumi

Mon 10/11

12:40-08:35

1 stop26h 55m

$920

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 13/11

22:00-12:55

1 stop31h 55m

Bangkok Suvarnabhumi

Tue 18/11

02:10-18:35

1 stop23h 25m

$925

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 16/11

22:00-01:05

1 stop20h 05m

Bangkok Suvarnabhumi

Wed 26/11

02:10-18:35

1 stop23h 25m

$927

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 13/11

10:30-12:20

1 stop18h 50m

Bangkok Suvarnabhumi

Wed 19/11

13:35-06:30

1 stop23h 55m

$936

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 2/12

16:00-10:25

Nonstop11h 25m

Bangkok Suvarnabhumi

Tue 16/12

08:25-14:25

Nonstop13h 00m

$940

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 18/11

16:00-10:25

Nonstop11h 25m

Bangkok Suvarnabhumi

Thu 4/12

12:25-18:20

Nonstop12h 55m

$963

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 23/3

18:40-10:45

1 stop33h 05m

Bangkok Suvarnabhumi

Tue 2/6

12:50-21:45

1 stop14h 55m

$963

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 23/3

18:40-10:45

1 stop33h 05m

Bangkok Suvarnabhumi

Mon 25/5

12:50-07:55

1 stop25h 05m

$982

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 20/11

10:30-12:20

1 stop18h 50m

Bangkok Suvarnabhumi

Tue 25/11

13:35-06:30

1 stop23h 55m

$1,019

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 $1,118.

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 $1,248. 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 $2,695.

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 $1,914. 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 $2,122 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 $1,448 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 $1,336 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 October 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, Tue, Wed, Thu, Sat and Sun
The fastest flight from London to Bangkok Suvarnabhumi Airport takes 11h 15m
Direct flights go from London to Bangkok Suvarnabhumi Airport on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. Airline offering direct flights is EVA Air..
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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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