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Cheap flights from Thailand to London from £177

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Thailand to London departing on 3/12. 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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Recent return flight deals from Thailand to London

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Multiple Airlines Logo
17:25 - 08:55BKK-LHR
22h 30m1 stop
Multiple Airlines Logo
20:05 - 17:45LHR-BKK
14h 40m1 stop
£515Multiple Airlines
Find Deal
Tue, 16 Dec - Tue, 27 Jan
China Southern Logo
13:55 - 18:35BKK-LHR
35h 40m1 stop
China Southern Logo
17:15 - 18:15LHR-BKK
42h 00m2 stops
£517China Southern
Find Deal
Tue, 2 Dec - Sun, 4 Jan
China Eastern Logo
05:05 - 17:30BKK-LHR
19h 25m1 stop
China Eastern Logo
21:00 - 04:05LHR-BKK
24h 05m1 stop
£537China Eastern
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Tue, 2 Dec - Thu, 4 Dec
China Eastern Logo
10:05 - 17:30CNX-LHR
38h 25m2 stops
China Eastern Logo
21:00 - 14:20LHR-CNX
34h 20m1 stop
£651China Eastern
Find Deal
Sun, 16 Nov - Thu, 4 Dec
Etihad Airways Logo
00:25 - 14:30HKT-LHR
21h 05m1 stop
Etihad Airways Logo
08:50 - 12:00LHR-HKT
20h 10m1 stop
£679Etihad Airways
Find Deal
Tue, 23 Dec - Fri, 16 Jan
Etihad Airways Logo
03:10 - 06:40HKT-LHR
34h 30m1 stop
Etihad Airways Logo
13:55 - 12:00LHR-HKT
15h 05m1 stop
£681Etihad Airways
Find Deal
Wed, 18 Feb - Fri, 27 Feb
Austrian Airlines Logo
10:10 - 21:40CNX-LHR
18h 30m2 stops
Austrian Airlines Logo
14:50 - 21:00LHR-CNX
23h 10m2 stops
£693Austrian Airlines
Find Deal
Tue, 20 Jan - Sat, 31 Jan
Austrian Airlines Logo
10:10 - 21:40CNX-LHR
18h 30m2 stops
Austrian Airlines Logo
14:50 - 21:00LHR-CNX
23h 10m2 stops
£711Austrian Airlines
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Mon, 19 Jan - Sat, 31 Jan
Thai Airways Logo
14:25 - 06:40CEI-LHR
23h 15m1 stop
Thai Airways Logo
11:50 - 18:20LHR-CEI
23h 30m1 stop
£943Thai Airways
Find Deal
Thu, 5 Mar - Sat, 7 Mar
Thai Airways Logo
14:25 - 06:40CEI-LHR
23h 15m1 stop
Thai Airways Logo
21:35 - 13:55LHR-CEI
33h 20m1 stop
£946Thai Airways
Find Deal
Thu, 5 Mar - Sat, 7 Mar

China Southern flights from Thailand to London Heathrow Airport

Our best China Southern deals on Thailand to London Heathrow Airport flight tickets
China Southern
2 Dec
BKK13:55Bangkok Suvarnabhumi
35h 40m
1 stop
LHR18:35London Heathrow
4 Jan
LHR17:15London Heathrow
42h 00m
2 stops
BKK18:15Bangkok Suvarnabhumi
£517
Find similar
China Southern
4 Nov
BKK15:45Bangkok Suvarnabhumi
29h 15m
2 stops
LHR14:00London Heathrow
13 Nov
LHR22:00London Heathrow
36h 05m
1 stop
BKK17:05Bangkok Suvarnabhumi
£534
Find similar
China Southern
10 Nov
BKK13:55Bangkok Suvarnabhumi
35h 40m
1 stop
LHR18:35London Heathrow
20 Nov
LHR21:30London Heathrow
31h 10m
2 stops
BKK11:40Bangkok Suvarnabhumi
£534
Find similar

Air China flights from Thailand to London Heathrow Airport

Our best Air China deals on Thailand to London Heathrow Airport flight tickets
Air China
16 Nov
BKK01:30Bangkok Suvarnabhumi
23h 20m
1 stop
LHR17:50London Heathrow
30 Nov
LHR20:25London Heathrow
20h 45m
1 stop
BKK00:10Bangkok Suvarnabhumi
£537
Find similar
Air China
17 Dec
BKK19:30Bangkok Suvarnabhumi
27h 25m
1 stop
LHR15:55London Heathrow
16 Jan
LHR17:40London Heathrow
17h 25m
1 stop
BKK18:05Bangkok Suvarnabhumi
£552
Find similar
Air China
5 Nov
BKK01:30Bangkok Suvarnabhumi
23h 20m
1 stop
LHR17:50London Heathrow
11 Nov
LHR22:10London Heathrow
35h 30m
1 stop
BKK16:40Bangkok Suvarnabhumi
£553
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Thailand to London Heathrow 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 279,928 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from Thailand to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 16/12

17:25-08:55

1 stop22h 30m

London Heathrow

Tue 27/1

20:05-17:45

1 stop14h 40m

£515

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 2/12

13:55-18:35

1 stop35h 40m

London Heathrow

Sun 4/1

17:15-18:15

2 stops42h 00m

£517

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 2/12

05:05-17:30

1 stop19h 25m

London Heathrow

Thu 4/12

21:00-04:05

1 stop24h 05m

£537

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 16/11

10:05-17:30

2 stops38h 25m

London Heathrow

Thu 4/12

21:00-14:20

1 stop34h 20m

£651

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Tue 23/12

00:25-14:30

1 stop21h 05m

London Heathrow

Fri 16/1

08:50-12:00

1 stop20h 10m

£679

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 18/2

03:10-06:40

1 stop34h 30m

London Heathrow

Fri 27/2

13:55-12:00

1 stop15h 05m

£681

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 20/1

10:10-21:40

2 stops18h 30m

London Heathrow

Sat 31/1

14:50-21:00

2 stops23h 10m

£693

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 19/1

10:10-21:40

2 stops18h 30m

London Heathrow

Sat 31/1

14:50-21:00

2 stops23h 10m

£711

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 5/3

14:25-06:40

1 stop23h 15m

London Heathrow

Sat 7/3

11:50-18:20

1 stop23h 30m

£943

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 5/3

14:25-06:40

1 stop23h 15m

London Heathrow

Sat 7/3

21:35-13:55

1 stop33h 20m

£946

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 London from

How to get the cheapest flight ticket from Thailand to London Heathrow 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 cheapest month to fly to London Heathrow Airport?

In general, November is the cheapest month to fly from Thailand to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £684. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Thailand averaging around £733.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Thailand is on a Monday. momondo users have found tickets for Monday departures for as low as £769. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £833.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Thailand to London Heathrow Airport in the afternoon for as low as £641. 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 £853 on average. Flights to London Heathrow Airport from Thailand in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Thailand to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Thailand when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £773 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Thailand for as low as £706 on momondo.

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

There are 3 cabin classes available to choose from on Thailand to London Heathrow 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 Thailand to London Heathrow Airport flights?

You could potentially save up to 17% on your flight if you consider stops on a Thailand to London Heathrow Airport flight.

Cheap Thailand to London Heathrow Airport flight deals and tips

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

Best price found

£371

Fastest flight time

12h 20m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Thailand in the past 72 hours is £371. The best return flight deal from Thailand to London Heathrow Airport found on momondo in the last 72 hours is £753.
The fastest flight from Thailand to London Heathrow Airport takes 12h 20m
Direct flights go from Thailand to London Heathrow Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Thailand to London Heathrow Airport?

    Prices for flights from Thailand to London Heathrow Airport were last updated today.

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

  • How old do you have to be to fly from Thailand to London Heathrow 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 Thailand to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport 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 Thailand to London Heathrow Airport?

Best airlines flying from Thailand to London Heathrow Airport

Compare and see reviews for airlines that fly from Thailand to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £243Free CancellationRating
7.5
119 reviews
Search China Southern flights
Air IndiaPriceFrom £355Free CancellationRating
5.5
2,941 reviews
Search Air India flights
Austrian AirlinesPriceFrom £463Free CancellationRating
7.6
863 reviews
Search Austrian Airlines flights
SAUDIAPriceFrom £486Free CancellationRating
7.4
638 reviews
Search SAUDIA flights
China EasternPriceFrom £516Free CancellationRating
7.2
174 reviews
Search China Eastern flights
Kuwait AirwaysPriceFrom £523Free CancellationRating
7.2
315 reviews
Search Kuwait Airways flights
Air ChinaPriceFrom £523Free CancellationRating
7.1
122 reviews
Search Air China flights
Turkish AirlinesPriceFrom £568Free CancellationRating
7.3
4,038 reviews
Search Turkish Airlines flights
SWISSPriceFrom £570Free CancellationRating
7.5
1,776 reviews
Search SWISS flights
Malaysia AirlinesPriceFrom £571Free CancellationRating
7.3
278 reviews
Search Malaysia Airlines flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Ilford
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Guildford
Swanage
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Hayes
Chelmsford

Why use momondo?

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

It is quick and easy to find Thailand to London 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 London that suits you.

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

momondo does allow users to show only those flights to London from Thailand which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Thailand to London.

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

If you are not ready to book a flight from Thailand to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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