Cheap flights from London to Bangkok from $406

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 10/26. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from London to Bangkok

Cheap round-trip flights

Norse Atlantic UK Logo
4:00 pm - 10:25 amLGW-BKK
11h 25mnonstop
Norse Atlantic UK Logo
12:30 pm - 6:30 pmBKK-LGW
13h 00mnonstop
$640Norse Atlantic UK
Find Deal
Sun, Oct 26 - Thu, Nov 6
 Logo
8:25 pm - 7:05 amLGW-BKK
28h 40m3 stops
 Logo
12:30 pm - 6:30 pmBKK-LGW
13h 00mnonstop
Wed, Oct 22 - Wed, Nov 5
Air India Logo
12:30 pm - 1:35 pmLHR-BKK
19h 05m1 stop
Air India Logo
8:50 pm - 10:15 amBKK-LHR
19h 25m1 stop
$642Air India
Find Deal
Mon, Sep 29 - Sun, Oct 5
Air India Logo
9:45 am - 7:40 amLHR-BKK
15h 55m1 stop
Air India Logo
8:40 am - 7:00 pmBKK-LHR
16h 20m1 stop
$644Air India
Find Deal
Sun, Sep 7 - Fri, Sep 19
Air China Logo
11:40 am - 1:30 amLGW-BKK
30h 50m1 stop
Air China Logo
2:30 am - 6:55 amBKK-LGW
35h 25m1 stop
$650Air China
Find Deal
Sun, Oct 26 - Sun, Nov 23
China Eastern Logo
9:20 pm - 8:55 pmLHR-BKK
17h 35m1 stop
China Eastern Logo
7:55 pm - 5:30 pmBKK-LHR
28h 35m1 stop
$650China Eastern
Find Deal
Fri, Sep 12 - Mon, Nov 3
Air China Logo
12:35 pm - 6:10 pmLGW-BKK
23h 35m1 stop
Air China Logo
1:30 am - 6:35 amBKK-LGW
35h 05m1 stop
$651Air China
Find Deal
Sun, Oct 5 - Wed, Oct 15
China Eastern Logo
11:35 am - 12:40 amLGW-BKK
31h 05m1 stop
China Eastern Logo
2:10 am - 3:00 pmBKK-LGW
18h 50m1 stop
$654China Eastern
Find Deal
Mon, Sep 22 - Tue, Jun 9
Etihad Airways Logo
2:45 pm - 6:50 pmLHR-BKK
22h 05m1 stop
Etihad Airways Logo
2:55 am - 3:15 pmBKK-LHR
18h 20m1 stop
$677Etihad Airways
Find Deal
Wed, Sep 10 - Tue, Sep 16
Etihad Airways Logo
2:45 pm - 11:55 pmLHR-BKK
27h 10m1 stop
Etihad Airways Logo
2:55 am - 3:15 pmBKK-LHR
18h 20m1 stop
$694Etihad Airways
Find Deal
Sun, Oct 5 - Wed, Oct 15

China Southern flights from London to Bangkok

Our best China Southern deals on London to Bangkok flight tickets
China Southern
Oct 5
LHR10:10 pmLondon Heathrow
32h 40m
1 stop
BKK12:50 pmBangkok Suvarnabhumi
Oct 15
BKK3:00 amBangkok Suvarnabhumi
22h 00m
1 stop
LHR7:00 pmLondon Heathrow
China Southern
Sep 24
LHR9:00 pmLondon Heathrow
22h 30m
2 stops
BKK1:30 amBangkok Suvarnabhumi
Oct 5
BKK8:20 pmBangkok Suvarnabhumi
28h 40m
1 stop
LHR7:00 pmLondon Heathrow
China Southern
Sep 23
LHR9:00 pmLondon Heathrow
35h 05m
2 stops
BKK2:05 pmBangkok Suvarnabhumi
Oct 20
BKK3:00 amBangkok Suvarnabhumi
22h 00m
1 stop
LHR7:00 pmLondon Heathrow

Austrian Airlines flights from London to Bangkok

Our best Austrian Airlines deals on London to Bangkok flight tickets
Austrian Airlines
Dec 4
LHR7:25 pmLondon Heathrow
13h 05m
1 stop
BKK3:30 pmBangkok Suvarnabhumi
Jan 26
BKK2:00 pmBangkok Suvarnabhumi
14h 40m
1 stop
LHR9:40 pmLondon Heathrow
Austrian Airlines
Feb 18
LHR7:25 pmLondon Heathrow
13h 05m
1 stop
BKK3:30 pmBangkok Suvarnabhumi
Mar 18
BKK2:00 pmBangkok Suvarnabhumi
14h 40m
1 stop
LHR9:40 pmLondon Heathrow
Austrian Airlines
Sep 6
LHR7:30 pmLondon Heathrow
13h 20m
1 stop
BKK2:50 pmBangkok Suvarnabhumi
Sep 14
BKK11:40 pmBangkok Suvarnabhumi
14h 40m
1 stop
LHR8:20 amLondon Heathrow

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 28, 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

Sun 10/26

4:00 pm-10:25 am

Nonstop11h 25m

Bangkok Suvarnabhumi

Thu 11/6

12:30 pm-6:30 pm

Nonstop13h 00m

$640

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 10/22

8:25 pm-7:05 am

3 stops28h 40m

Bangkok Suvarnabhumi

Wed 11/5

12:30 pm-6:30 pm

Nonstop13h 00m

$641

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 9/29

12:30 pm-1:35 pm

1 stop19h 05m

Bangkok Suvarnabhumi

Sun 10/5

8:50 pm-10:15 am

1 stop19h 25m

$642

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 9/7

9:45 am-7:40 am

1 stop15h 55m

Bangkok Suvarnabhumi

Fri 9/19

8:40 am-7:00 pm

1 stop16h 20m

$644

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 10/26

11:40 am-1:30 am

1 stop30h 50m

Bangkok Suvarnabhumi

Sun 11/23

2:30 am-6:55 am

1 stop35h 25m

$650

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 9/12

9:20 pm-8:55 pm

1 stop17h 35m

Bangkok Suvarnabhumi

Mon 11/3

7:55 pm-5:30 pm

1 stop28h 35m

$650

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 10/5

12:35 pm-6:10 pm

1 stop23h 35m

Bangkok Suvarnabhumi

Wed 10/15

1:30 am-6:35 am

1 stop35h 05m

$651

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Mon 9/22

11:35 am-12:40 am

1 stop31h 05m

Bangkok Suvarnabhumi

Tue 6/9

2:10 am-3:00 pm

1 stop18h 50m

$654

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 9/10

2:45 pm-6:50 pm

1 stop22h 05m

Bangkok Suvarnabhumi

Tue 9/16

2:55 am-3:15 pm

1 stop18h 20m

$677

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 10/5

2:45 pm-11:55 pm

1 stop27h 10m

Bangkok Suvarnabhumi

Wed 10/15

2:55 am-3:15 pm

1 stop18h 20m

$694

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between London and Bangkok?

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of May, then book flights to Bangkok from London during September instead. Flights to Bangkok in September, while not as cheap as those in May, still average around $736.

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

On average, the least expensive day to fly to Bangkok from London is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $984. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London to Bangkok on a Saturday will generally be more expensive and average around $1,096. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Bangkok is in the afternoon. momondo users have found flights departing from London to Bangkok in the afternoon for as low as $730. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $1,059. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $945 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from London for as low as $874 on momondo.

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

There are 4 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 25m

Direct flights

Mon, Wed and Thu

Airports in Bangkok

1 airport
The fastest flight from London to Bangkok takes 11h 25m
Direct flights go from London to Bangkok on Monday, Wednesday and Thursday. There are no airlines offering direct flights.
There is 1 airport near Bangkok: Bangkok Suvarnabhumi (BKK)
  • How far is London to Bangkok by plane?

    There are 5919.9 mi between London and Bangkok. Typically, this will take 11h 25m by plane in normal conditions.

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

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

  • How many operators does momondo search for flights from London to Bangkok?

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

    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.

  • 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 license 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.

Best airlines flying from London to Bangkok

Compare and see reviews for airlines that fly from London to Bangkok with momondo
Airline
Rating
Free Cancellation
Price
Norse Atlantic UKPriceFrom $370Free CancellationRating
7.2
47 reviews
Search Norse Atlantic UK flights
SAUDIAPriceFrom $407Free CancellationRating
7.4
629 reviews
Search SAUDIA flights
Air ChinaPriceFrom $461Free CancellationRating
7.3
95 reviews
Search Air China flights
China EasternPriceFrom $539Free CancellationRating
7.2
164 reviews
Search China Eastern flights
Shenzhen AirlinesPriceFrom $544Free CancellationRating
6.8
16 reviews
Search Shenzhen Airlines flights
Hainan AirlinesPriceFrom $560Free CancellationRating
8.2
45 reviews
Search Hainan Airlines flights
China SouthernPriceFrom $577Free CancellationRating
7.5
109 reviews
Search China Southern flights
Air IndiaPriceFrom $590Free CancellationRating
5.5
2,929 reviews
Search Air India flights
Gulf AirPriceFrom $626Free CancellationRating
7.1
209 reviews
Search Gulf Air flights
Austrian AirlinesPriceFrom $673Free CancellationRating
7.6
836 reviews
Search Austrian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Bangkok?

It is quick and easy to find London to Bangkok flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bangkok that suits you.

Can I find flights from London to Bangkok with flexible booking policies on momondo?

Flights from London to Bangkok with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for London to Bangkok flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

An easier way to manage your Bangkok trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/2
Tue 9/9

Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok