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Cheap flights from Thailand to London from £248

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LON
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to London

Enter your travel dates to find the best prices.

Cheapest flights from Thailand to London
Explore the most affordable flight options available from Thailand to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 March 2026.

Tue 19/507:50
BKK
-
LGW
3 stops28h 50m
China Eastern
Thu 11/611:35
LGW
-
BKK
2 stops31h 40m
China Eastern
Deal found 14/3£512
Thu 7/520:15
BKK
-
LHR
1 stop27h 30m
Multiple Airlines
Wed 20/522:00
LHR
-
BKK
1 stop30h 00m
Multiple Airlines
Deal found 13/3£513
Wed 11/1113:25
DMK
-
LGW
1 stop24h 00m
Multiple Airlines
Thu 19/1109:25
LGW
-
DMK
1 stop23h 55m
Multiple Airlines
Deal found 15/3£513
Sun 24/502:10
BKK
-
LGW
1 stop18h 50m
Multiple Airlines
Wed 10/612:35
LGW
-
BKK
1 stop23h 45m
Multiple Airlines
Deal found 13/3£513
Tue 28/422:45
BKK
-
LHR
1 stop25h 25m
Multiple Airlines
Tue 5/522:00
LHR
-
BKK
1 stop37h 05m
Multiple Airlines
Deal found 14/3£513
Tue 9/607:50
BKK
-
LGW
3 stops28h 50m
China Eastern
Thu 18/611:35
LGW
-
BKK
3 stops26h 15m
China Eastern
Deal found 13/3£513
Sun 10/511:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Wed 3/621:20
LHR
-
BKK
1 stop17h 35m
Multiple Airlines
Deal found 14/3£514
Sat 27/615:15
DMK
-
LGW
1 stop22h 10m
Multiple Airlines
Fri 3/710:25
LGW
-
DMK
1 stop23h 55m
Multiple Airlines
Deal found 14/3£514
Thu 11/611:20
BKK
-
LHR
1 stop38h 00m
Multiple Airlines
Mon 15/622:40
LHR
-
BKK
1 stop37h 40m
Multiple Airlines
Deal found 15/3£515
Tue 17/1107:45
BKK
-
LGW
Nonstop13h 00m
Norse Atlantic UK
Wed 25/1120:00
LGW
-
BKK
Nonstop11h 25m
Norse Atlantic UK
Deal found 15/3£515
Tue 14/415:55
BKK
-
STN
2 stops29h 20m
Multiple Airlines
Sat 18/415:05
STN
-
BKK
2 stops20h 20m
Multiple Airlines
Deal found 15/3£515
Tue 28/415:55
BKK
-
LTN
2 stops25h 05m
Multiple Airlines
Tue 5/514:45
LTN
-
BKK
2 stops33h 30m
Multiple Airlines
Deal found 14/3£516

Find flight deals from Thailand to London

Keep the following information in mind while searching for Thailand to London flight deals. Data was last updated 17 March 2026.

Round-trip from

£512

One-way from

£248

Popular in

January

Cheapest in

November

Average price

£725

Good round-trip deal

£217 or less

Good one-way deal

£318 or less
China Eastern
  • China Eastern
  • 19/5-11/6
  • 5 total stops
  • 60h 30m total
  • Thailand to London
Search Deals
21/4
  • 21/4
  • 2 total stops
  • 21h 55m total
  • Thailand to London
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Thailand to London (LON).
Search Deals
Price to beat on a one-way flight from Thailand to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Thailand to London 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, Cheapflights users made 858,174 searches. Data last updated 17 March 2026.
Use the filters below to find and compare flights from Thailand to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokLondon

DMK - LGW

DMKLGW

Bangkok Don Mueang Intl

Sat 27/6

15:15-07:25

1 stop22h 10m

London Gatwick

Fri 3/7

10:25-16:20

1 stop23h 55m

£514

BangkokLondon

DMK - LGW

DMKLGW

Bangkok Don Mueang Intl

Wed 9/9

13:35-07:30

1 stop23h 55m

London Gatwick

Wed 16/9

10:25-16:20

1 stop23h 55m

£531

BangkokLondon

DMK - LGW

DMKLGW

Bangkok Don Mueang Intl

Wed 1/7

15:15-07:30

1 stop22h 15m

London Gatwick

Sat 11/7

10:25-13:00

1 stop20h 35m

£533

BangkokLondon

BKK - LGW

BKKLGW

Bangkok Suvarnabhumi

Wed 13/5

13:20-15:00

2 stops31h 40m

London Gatwick

Wed 20/5

11:35-19:50

2 stops26h 15m

£541

BangkokLondon

DMK - LGW

DMKLGW

Bangkok Don Mueang Intl

Mon 20/7

15:15-07:20

1 stop22h 05m

London Gatwick

Mon 17/8

10:25-16:20

1 stop23h 55m

£544

BangkokLondon

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Mon 11/5

20:15-14:35

2 stops24h 20m

London Luton

Mon 25/5

12:25-18:10

2 stops23h 45m

£547

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 9/9

19:10-19:10

1 stop30h 00m

London Heathrow

Wed 16/9

20:50-06:55

1 stop28h 05m

£567

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 10/6

16:10-18:40

2 stops32h 30m

London Heathrow

Tue 23/6

21:20-15:20

3 stops36h 00m

£579

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 16/5

20:50-18:40

2 stops51h 50m

London Heathrow

Sun 14/6

21:20-12:20

2 stops33h 00m

£580

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 11/6

16:10-18:40

2 stops32h 30m

London Heathrow

Sun 21/6

21:20-09:15

2 stops29h 55m

£599

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Thailand to London

Have a flexible travel schedule? Discover the best time to fly to London from Thailand with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Thailand to London

What is the cheapest month to book a flight from Thailand to London?

Currently, December is the cheapest month in which you can book a flight from Thailand to London (average of £196). Flying from Thailand to London in July is currently the most expensive (average of £552). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TH to LON?

Find hourly flight availability from Thailand to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 March 2026.

When flying from Thailand to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 45% versus a flight at midday.

What is the cheapest day to fly from Thailand to London?

Use this chart to determine the cheapest time to fly return from Thailand to London. Price data was last updated on 14 March 2026.

Travellers seeking maximum savings on their Thailand to London flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Thailand to London

Explore weekly flight availability from Thailand to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 March 2026.

The most flights from TH0 to LON are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 on average).

How often are flights from Thailand to London delayed?

About 15% of weekly flights between Thailand and London have experienced delays in the past year, with the average delay time being 103 minutes.

What is the most punctual flight time for Thailand to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Thailand to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 17 March 2026.
See what other customers who have flown with EVA Air,Emirates, andThai Airways from Thailand to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very Good
1,376 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Emirates
8.1
Very Good
3,543 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Thai Airways
7.8
Good
392 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Norse Atlantic UK
7.3
Good
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
China Eastern
7.2
Good
197 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Related info for your journey

Find useful and relevant information for your journey from Thailand to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Thailand to London?

    There are many flights that can get you from Thailand to London in 30h. Fly via China Eastern, Oman Air, or Malaysia Airlines to get the fastest option. There are 5947 mi between Thailand and London. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Thailand to London one-way?

    For one-way options, check prices for Norse Atlantic UK. According to our data, you can fly for as low as £95. Users have also found prices from £135 and £161 on Scandinavian Airlines and Oman Air, respectively.

  • What are the most popular routes from Thailand to London?

    While some choose either Bangkok Suvarnabhumi - London Gatwick or Bangkok Suvarnabhumi - London Stansted, Bangkok Suvarnabhumi - London Heathrow is the most popular route from Thailand to London.

  • What are the most reliable airlines from Thailand to London?

    The top 3 most reliable airlines when flying from Thailand to London are Air Canada (90%), Thai Airways (78%) and EVA Air (71%).

  • What are the cheapest flights from Thailand to London?

    Looking at all options, your cheapest flight can be booked for £394. While the most popular route (Bangkok Suvarnabhumi - London Heathrow) can be booked for £486 on average, our data indicates £1,284 when flying from Thailand to London.

  • Can I find deals for flights from Thailand to London that include hotel bookings?

    Yes. In addition to deals on Thailand to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Thailand to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to London.

  • Can I find deals for business class flights from Thailand to London?

    Yes. Cheapflights offers flight deals from Thailand to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Thailand to London?

    Currently, December is the cheapest month in which you can book a flight from Thailand to London (average of £196). Flying from Thailand to London in July is currently the most expensive (average of £552). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Bedford
Chelmsford
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Thailand to London

Discover the top 10 airlines that operate flights from Thailand to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£166Average£619FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Norse Atlantic UKCheapest£180Average£489FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
China SouthernCheapest£215Average£542FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Kuwait AirwaysCheapest£271Average£551FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Oman AirCheapest£290Average£588FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Austrian AirlinesCheapest£299Average£666FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Air IndiaCheapest£336Average£664FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
SAUDIACheapest£492Average£560FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Air ChinaCheapest£517Average£555FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£554Average£674FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Thailand to London?

Cheapflights helps you search for flights from Thailand to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Thailand to London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Thailand to London for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Thailand to London with no change fees?

Yes, we can. To see specific flights from Thailand to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Thailand to London become cheaper?

Not ready to book yet? You can track prices for flights from Thailand to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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