Cheap flights from London to Thailand from £286

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 Thailand departing on 12/5. 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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China Southern Logo
22:00 - 10:10
LHR
-
BKK
29h 10m1 stop
China Southern Logo
03:00 - 18:05
BKK
-
LHR
21h 05m2 stops
£447China Southern
Thu, 29 Jan - Wed, 1 Apr
China Eastern Logo
10:30 - 17:50
LGW
-
BKK
24h 20m1 stop
China Eastern Logo
03:10 - 06:30
BKK
-
LGW
34h 20m2 stops
£447China Eastern
Mon, 12 Jan - Wed, 28 Jan
Air China Logo
22:10 - 16:40
LHR
-
BKK
35h 30m1 stop
Air China Logo
23:50 - 17:50
BKK
-
LHR
25h 00m1 stop
£447Air China
Tue, 6 Jan - Sat, 31 Jan
Air China Logo
11:05 - 01:30
LGW
-
BKK
31h 25m1 stop
Air China Logo
02:30 - 06:55
BKK
-
LGW
35h 25m1 stop
£448Air China
Sat, 10 Jan - Sat, 24 Jan
Air China Logo
20:25 - 18:05
LHR
-
BKK
38h 40m1 stop
Air China Logo
23:50 - 17:50
BKK
-
LHR
25h 00m1 stop
£448Air China
Thu, 15 Jan - Sat, 31 Jan
Hainan Airlines Logo
21:00 - 10:05
LHR
-
BKK
30h 05m2 stops
Hainan Airlines Logo
19:10 - 17:35
BKK
-
LHR
29h 25m2 stops
£449Hainan Airlines
Fri, 23 Jan - Thu, 5 Feb
China Eastern Logo
10:30 - 18:25
LGW
-
BKK
24h 55m1 stop
China Eastern Logo
03:10 - 14:00
BKK
-
LGW
41h 50m2 stops
£450China Eastern
Thu, 8 Jan - Wed, 21 Jan
China Southern Logo
22:00 - 01:05
LHR
-
BKK
20h 05m1 stop
China Southern Logo
00:30 - 14:00
BKK
-
LHR
44h 30m2 stops
£450China Southern
Sat, 24 Jan - Mon, 2 Feb
KLM Logo
10:00 - 14:05
LCY
-
HKT
22h 05m2 stops
KLM Logo
07:35 - 07:55
HKT
-
LCY
30h 20m2 stops
£649KLM
Mon, 4 May - Wed, 20 May
KLM Logo
09:20 - 14:05
LCY
-
HKT
22h 45m2 stops
KLM Logo
07:35 - 07:55
HKT
-
LCY
30h 20m2 stops
£691KLM
Tue, 5 May - Wed, 20 May

China Southern flights from London to Thailand

Our best China Southern deals on London to Thailand flight tickets
China Southern
29 Jan
LHR22:00London Heathrow
29h 10m
1 stop
BKK10:10Bangkok Suvarnabhumi
1 Apr
BKK03:00Bangkok Suvarnabhumi
21h 05m
2 stops
LHR18:05London Heathrow
China Southern
24 Jan
LHR22:00London Heathrow
20h 05m
1 stop
BKK01:05Bangkok Suvarnabhumi
2 Feb
BKK00:30Bangkok Suvarnabhumi
44h 30m
2 stops
LHR14:00London Heathrow
China Southern
14 Mar
LHR22:00London Heathrow
30h 25m
1 stop
BKK11:25Bangkok Suvarnabhumi
20 Mar
BKK00:30Bangkok Suvarnabhumi
25h 05m
2 stops
LHR18:35London Heathrow

China Eastern flights from London to Thailand

Our best China Eastern deals on London to Thailand flight tickets
China Eastern
12 Jan
LGW10:30London Gatwick
24h 20m
1 stop
BKK17:50Bangkok Suvarnabhumi
28 Jan
BKK03:10Bangkok Suvarnabhumi
34h 20m
2 stops
LGW06:30London Gatwick
China Eastern
8 Jan
LGW10:30London Gatwick
24h 55m
1 stop
BKK18:25Bangkok Suvarnabhumi
21 Jan
BKK03:10Bangkok Suvarnabhumi
41h 50m
2 stops
LGW14:00London Gatwick
China Eastern
3 Mar
LGW10:30London Gatwick
18h 50m
1 stop
BKK12:20Bangkok Suvarnabhumi
11 Mar
BKK13:35Bangkok Suvarnabhumi
23h 55m
1 stop
LGW06:30London Gatwick

momondo Fare Finder

 
Customise your flight search to find flights from London to Thailand 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 279,928 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from London to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 29/1

22:00-10:10

1 stop29h 10m

Bangkok Suvarnabhumi

Wed 1/4

03:00-18:05

2 stops21h 05m

£447

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Mon 12/1

10:30-17:50

1 stop24h 20m

Bangkok Suvarnabhumi

Wed 28/1

03:10-06:30

2 stops34h 20m

£447

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 6/1

22:10-16:40

1 stop35h 30m

Bangkok Suvarnabhumi

Sat 31/1

23:50-17:50

1 stop25h 00m

£447

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 10/1

11:05-01:30

1 stop31h 25m

Bangkok Suvarnabhumi

Sat 24/1

02:30-06:55

1 stop35h 25m

£448

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 15/1

20:25-18:05

1 stop38h 40m

Bangkok Suvarnabhumi

Sat 31/1

23:50-17:50

1 stop25h 00m

£448

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 23/1

21:00-10:05

2 stops30h 05m

Bangkok Suvarnabhumi

Thu 5/2

19:10-17:35

2 stops29h 25m

£449

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 8/1

10:30-18:25

1 stop24h 55m

Bangkok Suvarnabhumi

Wed 21/1

03:10-14:00

2 stops41h 50m

£450

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 24/1

22:00-01:05

1 stop20h 05m

Bangkok Suvarnabhumi

Mon 2/2

00:30-14:00

2 stops44h 30m

£450

LondonPhuket City

LCY - HKT

LCYHKT

London City

Mon 4/5

10:00-14:05

2 stops22h 05m

Phuket City

Wed 20/5

07:35-07:55

2 stops30h 20m

£649

LondonPhuket City

LCY - HKT

LCYHKT

London City

Tue 5/5

09:20-14:05

2 stops22h 45m

Phuket City

Wed 20/5

07:35-07:55

2 stops30h 20m

£691

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 Thailand from

How to get the cheapest flight ticket from London to Thailand

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 Thailand?

In general, May is the cheapest month to fly from London to Thailand. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £395. If you are unable to visit Thailand 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 £542.

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

The cheapest day to depart on your flight to Thailand is on a Tuesday when prices can be found for as low as £713. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £753.

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

Our data shows that the cheapest London to Thailand flights are usually those with departure times at midday. Our users have found flights to Thailand at midday for as low as £648. In contrast, the most expensive time of day to depart to Thailand is in the evening when prices are around £739.

What is the cheapest London to Thailand flight route?

Fly from London Gatwick to Bangkok Suvarnabhumi for the best London - Thailand flight prices

How far in advance should I book a flight to Thailand?

You are more likely to see cheaper flights to Thailand from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around £702 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from London for as low as £653 on momondo.

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

There are 4 cabin classes available to choose from on London to Thailand 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 Thailand flights?

You could potentially save up to 20% on your flight if you consider stops on a London to Thailand flight.

Cheap London to Thailand flight deals and tips

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

Best price found

£335

Fastest flight time

11h 15m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in Thailand

74 airports
The best one-way flight to Thailand from London in the past 72 hours is £335. The best return flight deal from London to Thailand found on momondo in the last 72 hours is £560.
The fastest flight from London to Thailand takes 11h 15m
Direct flights go from London to Thailand on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. Airline offering direct flights is Norse Atlantic UK..
There are 74 airports in Thailand. From London there are direct flights to Bangkok Suvarnabhumi (BKK).
  • When did momondo last update prices for flights from London to Thailand?

    Prices for flights from London to Thailand are updated daily.

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

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

    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 layovers. It is recommended that you verify with the airline you are booking with for travel from London to Thailand.

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

    The necessary travel and health documents for your Thailand 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 license 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.

  • What is the most popular plane model from London to Thailand?

Best airlines flying from London to Thailand

Compare and see reviews for airlines that fly from London to Thailand with momondo
Airline
Rating
Free Cancellation
Price
Bangkok AirwaysPriceFrom £114Free CancellationRating
8.0
118 reviews
Search Bangkok Airways flights
Hahn AirPriceFrom £275Free CancellationRating
0.0
Search Hahn Air flights
Turkmenistan AirlinesPriceFrom £291Free CancellationRating
0.0
0 reviews
Search Turkmenistan Airlines flights
Hainan AirlinesPriceFrom £379Free CancellationRating
8.3
58 reviews
Search Hainan Airlines flights
KLMPriceFrom £428Free CancellationRating
7.7
1,432 reviews
Search KLM flights
Royal Brunei AirlinesPriceFrom £470Free CancellationRating
0.0
0 reviews
Search Royal Brunei Airlines flights
LufthansaPriceFrom £473Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
A.P.G.PriceFrom £478Free CancellationRating
0.0
Search A.P.G. flights
TUI AirwaysPriceFrom £483Free CancellationRating
0.0
0 reviews
Search TUI Airways flights
Air FrancePriceFrom £495Free CancellationRating
7.4
1,504 reviews
Search Air France flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Thailand. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Thailand from London with this policy.

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

Once all potential London to Thailand 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 Thailand right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Thailand, momondo offers a useful price alert feature which will track prices for flights to Thailand from London and alert you when they change.

An easier way to manage your Thailand trip

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1 adult
Sun 11/1
Sun 18/1

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