Cheap flights from Thailand to London from ฿11,791

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LON
24 May — 31 May1
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 24 April 2026.

Thu 4/609:20
HKT
-
LGW
2 stops27h 35m
Multiple Airlines
Thu 11/614:45
LGW
-
HKT
2 stops21h 35m
Multiple Airlines
Deal found 20/4฿21,800
Thu 7/521:00
BKK
-
LTN
2 stops23h 35m
Multiple Airlines
Sun 17/509:00
LTN
-
BKK
2 stops27h 10m
Multiple Airlines
Deal found 19/4฿22,448
Tue 3/1119:10
BKK
-
LHR
1 stop28h 10m
ไห่หนานแอร์ไลน์
Wed 4/1119:45
LHR
-
BKK
1 stop31h 20m
ไห่หนานแอร์ไลน์
Deal found 19/4฿22,513
Thu 8/1015:15
DMK
-
LGW
2 stops21h 50m
Multiple Airlines
Thu 15/1010:25
LGW
-
DMK
2 stops26h 55m
Multiple Airlines
Deal found 22/4฿22,513
Thu 4/621:00
BKK
-
LGW
2 stops20h 35m
Multiple Airlines
Fri 19/606:55
LGW
-
BKK
2 stops22h 55m
Multiple Airlines
Deal found 19/4฿22,513
Thu 21/509:15
BKK
-
STN
2 stops20h 55m
Multiple Airlines
Thu 28/520:00
STN
-
BKK
2 stops28h 45m
Multiple Airlines
Deal found 22/4฿22,513
Thu 7/519:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Tue 26/522:10
LHR
-
BKK
1 stop19h 55m
Multiple Airlines
Deal found 20/4฿22,545
Wed 7/1013:35
DMK
-
LGW
2 stops23h 55m
Multiple Airlines
Thu 15/1010:25
LGW
-
DMK
2 stops26h 55m
Multiple Airlines
Deal found 22/4฿22,545
Sun 17/519:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Mon 8/616:15
LHR
-
BKK
1 stop15h 30m
Multiple Airlines
Deal found 20/4฿22,578
Thu 7/521:00
BKK
-
LTN
2 stops23h 35m
Multiple Airlines
Sat 9/515:15
LTN
-
BKK
2 stops33h 30m
Multiple Airlines
Deal found 19/4฿22,578
Thu 8/1013:35
DMK
-
LGW
2 stops23h 30m
Multiple Airlines
Fri 16/1010:25
LGW
-
DMK
2 stops25h 45m
Multiple Airlines
Deal found 22/4฿22,610
Mon 18/509:15
BKK
-
STN
2 stops28h 35m
Multiple Airlines
Sat 30/518:00
STN
-
BKK
2 stops18h 10m
Multiple Airlines
Deal found 20/4฿22,610

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 24 April 2026.

Round-trip from

฿21,800

One-way from

฿11,791

Popular in

January

Cheapest in

November

Average price

฿32,619

Good round-trip deal

฿33,870 or less

Good one-way deal

฿28,901 or less
4/6-11/6
  • 4/6-11/6
  • 4 total stops
  • 49h 10m total
  • Thailand to London
20/5
  • 20/5
  • 2 total stops
  • 59h 00m total
  • Thailand to London
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 0% potential price decrease (฿9,319 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Thailand to London (LON).
Price to beat on a one-way flight from Thailand to London (LON).

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 17,341 searches. Data last updated 24 April 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

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Fri 12/6

20:15-14:00

2 stops23h 45m

London Luton

Fri 26/6

15:15-06:15

2 stops33h 00m

฿23,873

BangkokLondon

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Mon 4/5

20:15-10:35

2 stops20h 20m

London Luton

Mon 11/5

08:15-18:10

2 stops27h 55m

฿24,035

BangkokLondon

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Fri 22/5

09:15-00:50

2 stops21h 35m

London Luton

Tue 26/5

09:40-18:10

2 stops26h 30m

฿24,683

BangkokLondon

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Thu 14/5

21:00-14:35

2 stops23h 35m

London Luton

Mon 18/5

15:15-18:10

2 stops20h 55m

฿24,683

BangkokLondon

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Mon 4/5

19:40-14:35

2 stops24h 55m

London Luton

Fri 8/5

20:35-06:50

2 stops28h 15m

฿24,716

BangkokLondon

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Wed 27/5

09:15-22:10

2 stops18h 55m

London Luton

Thu 28/5

15:50-19:00

2 stops21h 10m

฿25,040

BangkokLondon

BKK - LTN

BKKLTN

Bangkok Suvarnabhumi

Fri 22/5

18:30-13:45

1 stop25h 15m

London Luton

Fri 29/5

17:10-18:10

2 stops19h 00m

฿25,040
Fastest return journey

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 7/6

09:45-18:45

1 stop15h 00m

London Heathrow

Mon 31/8

14:45-11:50

1 stop15h 05m

฿26,854

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 6/8

09:15-18:45

1 stop15h 30m

London Heathrow

Wed 26/8

09:30-06:15

1 stop14h 45m

฿27,566

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 18/7

09:45-18:45

1 stop15h 00m

London Heathrow

Thu 20/8

14:45-11:50

1 stop15h 05m

฿28,052

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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

How far ahead should I book a flight from Thailand to London?

The price you pay for your flight from Thailand to London may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Thailand to London (average of ฿7,450). Flying from Thailand to London in March is currently the most expensive (average of ฿80,042). 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 24 April 2026.

One of the essential ways to save on airfare from Thailand to London is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 42% on airfare.

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 24 April 2026.

The most flights from TH0 to LON are scheduled on a Wednesday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

How often are flights from Thailand to London delayed?

About 16% of weekly flights between Thailand and London have experienced delays in the past year, with the average delay time being 104 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, บริติชแอร์เวย์ have had the lowest number of delays on this route, with just 10% 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 24 April 2026.
Read reviews from past customers who have flown with EVA Air,Emirates, andThai Airways from Thailand to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

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?

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

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?

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

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?

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

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

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

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?

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

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?

    For as low as ฿26,854, เอทิฮัดแอร์เวย์ can have you in London from Thailand in 15h. The distance between Thailand and London is about 9571 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    To fly one-way, consider booking your trip with Norse Atlantic UK, which is currently one of the cheapest options available, starting at ฿5,718. สแกนดอเนเวียนแอร์ไลน์ flights start at ฿6,291 while deals on เอทิฮัดแอร์เวย์ start at ฿6,689 one-way.

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

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

    No one likes to see their flight delayed. When booking a flight from Thailand to London consider choosing แอร์แคนาดา(85%), Thai Airways(74%) or EVA Air(69%), as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Thailand to London?

    The cheapest flight price from Thailand to London is ฿17,588. On average you can expect to pay ฿69,999. The most popular route, (Bangkok Suvarnabhumi - London Heathrow), can usually be booked for ฿21,476.

  • 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, February is the cheapest month in which you can book a flight from Thailand to London (average of ฿7,450). Flying from Thailand to London in March is currently the most expensive (average of ฿80,042). 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
Brentford

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 17,341 searches. Data last updated 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest฿8,718Average฿25,728FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest฿9,287Average฿23,182FlexibilityNo cancel feeOn-time69%
Search China Southern flights
คูเวตแอร์เวย์Cheapest฿10,893Average฿28,666FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
Norse Atlantic UKCheapest฿11,913Average฿25,041FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
เอทิฮัดแอร์เวย์Cheapest฿13,043Average฿30,544FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
โอมานแอร์Cheapest฿13,334Average฿24,706FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
FinnairCheapest฿18,406Average฿27,119FlexibilityNo cancel feeOn-time76%
Search Finnair flights
บริติชแอร์เวย์Cheapest฿25,982Average฿32,574FlexibilityNo cancel feeOn-time70%
Search บริติชแอร์เวย์ flights
Qatar AirwaysCheapest฿26,199Average฿31,496FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest฿26,555Average฿31,988FlexibilityNo cancel feeOn-time75%
Search Emirates 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Thailand today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Thailand to London.

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

Certainly. Search results for flights to London from Thailand shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Thailand today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.