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Cheap flights from London to Thailand from ฿13,475

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
6 Aug — 13 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Thailand

Enter your travel dates to find the best prices.

Cheapest flights from London to Thailand
Explore the most affordable flight options available from London to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 July 2026.

Tue 3/1111:05
LGW
-
BKK
1 stop31h 25m
Air China
Mon 16/1101:30
BKK
-
LGW
1 stop35h 10m
Air China
Deal found 3/7฿20,928
Sat 28/1120:25
LHR
-
BKK
1 stop20h 45m
Air China
Mon 21/1201:30
BKK
-
LHR
1 stop21h 25m
Air China
Deal found 2/7฿20,928
Tue 22/908:30
STN
-
BKK
2 stops19h 50m
Multiple Airlines
Tue 10/1105:55
BKK
-
STN
1 stop19h 00m
Multiple Airlines
Deal found 6/7฿20,928
Tue 1/1210:30
LGW
-
BKK
1 stop18h 50m
China Eastern
Sat 26/1221:05
BKK
-
LGW
2 stops40h 25m
China Eastern
Deal found 2/7฿20,961
Thu 19/1120:25
LHR
-
BKK
1 stop20h 45m
Air China
Fri 27/1119:30
BKK
-
LHR
1 stop29h 20m
Air China
Deal found 2/7฿20,961
Fri 20/1108:25
STN
-
BKK
1 stop16h 45m
Multiple Airlines
Fri 4/1205:55
BKK
-
STN
1 stop18h 20m
Multiple Airlines
Deal found 2/7฿20,961
Sat 7/1117:00
LGW
-
BKK
2 stops44h 10m
China Eastern
Sat 14/1116:50
BKK
-
LGW
1 stop28h 10m
China Eastern
Deal found 2/7฿20,995
Mon 21/921:20
LHR
-
BKK
2 stops21h 50m
China Eastern
Mon 26/1005:05
BKK
-
LHR
1 stop19h 25m
China Eastern
Deal found 4/7฿20,995
Mon 26/1017:55
STN
-
BKK
1 stop32h 15m
Multiple Airlines
Tue 3/1105:55
BKK
-
STN
1 stop19h 00m
Multiple Airlines
Deal found 5/7฿20,995
Tue 20/1010:20
LGW
-
BKK
1 stop20h 15m
คอนดอร์
Tue 3/1123:00
BKK
-
LGW
1 stop22h 50m
คอนดอร์
Deal found 6/7฿21,028
Tue 3/1117:40
LHR
-
BKK
1 stop17h 25m
Air China
Wed 18/1101:30
BKK
-
LHR
1 stop21h 25m
Air China
Deal found 1/7฿21,028
Tue 15/907:05
STN
-
BKK
2 stops20h 45m
Multiple Airlines
Tue 17/1105:40
BKK
-
STN
1 stop16h 25m
Multiple Airlines
Deal found 3/7฿21,028

Find flight deals from London to Thailand

Keep the following information in mind while searching for London to Thailand flight deals. Data was last updated 7 July 2026.

Round-trip from

฿20,928

One-way from

฿13,475

Popular in

December

Cheapest in

September

Average price

฿35,568

Good round-trip deal

฿26,842 or less

Good one-way deal

฿24,934 or less
Air China
  • Air China
  • 3/11-16/11
  • 2 total stops
  • 66h 35m total
  • London to Thailand
Search Deals
XiamenAir
  • XiamenAir
  • 11/9
  • 1 total stop
  • 30h 15m total
  • London to Thailand
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿66,219 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿28,872 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Thailand.
Search Deals
Price to beat on a one-way flight from London (LON) to Thailand.
Search Deals

Cheapflights 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, Cheapflights users made 17,341 searches. Data last updated 7 July 2026.
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

Cheapest return flight

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 15/11

17:00-17:50

1 stop17h 50m

Bangkok Suvarnabhumi

Tue 1/12

15:55-14:00

2 stops29h 05m

฿21,427

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 20/11

17:00-18:25

1 stop18h 25m

Bangkok Suvarnabhumi

Sun 22/11

16:50-14:00

1 stop28h 10m

฿23,091

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Fri 20/11

21:00-22:45

1 stop18h 45m

Phuket City

Tue 24/11

23:05-17:30

1 stop25h 25m

฿24,322

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 3/9

06:30-09:30

1 stop21h 00m

Bangkok Suvarnabhumi

Wed 30/9

12:05-09:00

1 stop26h 55m

฿25,120

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Fri 4/9

22:00-22:45

1 stop18h 45m

Phuket City

Sat 12/9

18:55-15:00

2 stops50h 05m

฿25,520

LondonBangkok

LTN - BKK

LTNBKK

London Luton

Fri 28/8

07:05-19:15

2 stops30h 10m

Bangkok Suvarnabhumi

Thu 3/9

03:15-21:50

2 stops24h 35m

฿25,985

LondonBangkok

LTN - BKK

LTNBKK

London Luton

Sat 19/9

11:00-18:10

2 stops25h 10m

Bangkok Suvarnabhumi

Mon 28/9

09:15-21:40

2 stops18h 25m

฿26,285

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Fri 4/9

22:00-22:45

1 stop18h 45m

Phuket City

Sun 13/9

22:35-15:00

1 stop22h 25m

฿26,385

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 12/11

07:05-10:40

2 stops20h 35m

Bangkok Suvarnabhumi

Mon 30/11

12:35-09:35

2 stops28h 00m

฿27,915

LondonBangkok

LTN - BKK

LTNBKK

London Luton

Fri 20/11

06:50-05:20

1 stop15h 30m

Bangkok Suvarnabhumi

Fri 27/11

23:45-15:35

1 stop22h 50m

฿28,248

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from London 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 London to Thailand

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

Currently, May is the cheapest month in which you can book a flight from London to Thailand (average of ฿25,520). Flying from London to Thailand in December is currently the most expensive (average of ฿38,662). 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 LON to TH?

Find hourly flight availability from London to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 July 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 68% on flights from London to Thailand by exploring options for tickets at midday.

Weekly flight availability from London to Thailand

Explore weekly flight availability from London to Thailand. 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 7 July 2026.

The most flights from LON to TH0 are scheduled on a Tuesday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

How often are flights from London to Thailand delayed?

About 12% of weekly flights between London and Thailand have experienced delays in the past year, with the average delay time being 97 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

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

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

Over the past year, EVA Air have had the lowest number of delays on this route, with just 4% of flights being delayed.

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

The best time to book flights from London to Thailand is 41 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated 7 July 2026.
See what other customers who have flown with EVA Air,Thai Airways, andเอทิฮัดแอร์เวย์ from London to Thailand 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
1,489 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼
EVA Air
8.5
Very Good
1,489 reviews
EVA Air
8.5
Very Good
1,489 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼
Thai Airways
7.9
Good
409 reviews
EVA Air
8.5
Very Good
1,489 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼
เอทิฮัดแอร์เวย์
7.3
Good
1,476 reviews
EVA Air
8.5
Very Good
1,489 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼
Norse Atlantic UK
7.2
Good
EVA Air
8.5
Very Good
1,489 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼
บริติชแอร์เวย์
6.7
Okay
8,099 reviews
EVA Air
8.5
Very Good
1,489 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼

Related info for your journey

Find useful and relevant information for your journey from London to Thailand. 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 London to Thailand?

    For as low as ฿21,427, China Eastern can have you in Thailand from London in 17h 50m. London and Thailand are separated by a distance of 9563 km. This flight may include one or multiple stops.

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

    For one-way options, check prices for China Eastern. According to our data, you can fly for as low as ฿11,086. Users have also found prices from ฿13,449 and ฿15,233 on โอมานแอร์ and เอทิฮัดแอร์เวย์, respectively.

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

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

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

    Consider Thai Airways (88%), EVA Air (88%) or แอร์แคนาดา (85%) when booking your flight. These represent the most reliable airlines when flying from London to Thailand.

  • What are the cheapest flights from London to Thailand?

    The cheapest flight price from London to Thailand is ฿20,981. On average you can expect to pay ฿32,860. The most popular route, (London Heathrow - Bangkok Suvarnabhumi), can usually be booked for ฿20,163.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Thailand 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 London to Thailand?

    Currently, May is the cheapest month in which you can book a flight from London to Thailand (average of ฿25,520). Flying from London to Thailand in December is currently the most expensive (average of ฿38,662). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Suvarnabhumi flights
Manchester to Suvarnabhumi flights
Birmingham to Suvarnabhumi flights

Top 10 airlines flying from London to Thailand

Discover the top 10 airlines that operate flights from London to Thailand. 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 7 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Shenzhen AirlinesCheapest฿15,973Average฿19,670FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest฿17,872Average฿19,927FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest฿18,697Average฿22,100FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
บริติชแอร์เวย์Cheapest฿19,895Average฿27,317FlexibilityNo cancel feeOn-time70%
Search บริติชแอร์เวย์ flights
เอทิฮัดแอร์เวย์Cheapest฿22,252Average฿26,609FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
โอมานแอร์Cheapest฿22,650Average฿25,065FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
Qatar AirwaysCheapest฿23,474Average฿27,512FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Thai AirwaysCheapest฿30,480Average฿42,217FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
EmiratesCheapest฿30,683Average฿35,317FlexibilityNo cancel feeOn-time75%
Search Emirates flights
EVA AirCheapest฿31,439Average฿32,960FlexibilityNo cancel feeOn-time74%
Search EVA Air 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 London to Thailand?

Deals for London to Thailand flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

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

Need flexible booking options for your flight to Thailand from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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