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Cheap flights from London to Thailand from ฿12,656

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
27 Apr — 4 May1
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 28 March 2026.

Fri 29/522:05
LHR
-
BKK
1 stop22h 10m
Shenzhen Airlines
Thu 18/619:15
BKK
-
LHR
1 stop30h 45m
Shenzhen Airlines
Deal found 23/3฿18,639
Tue 5/514:40
LHR
-
BKK
1 stop17h 00m
ซาอุเดียแอร์ไลน์
Sun 17/515:25
BKK
-
LHR
1 stop22h 05m
ซาอุเดียแอร์ไลน์
Deal found 23/3฿18,704
Thu 10/915:40
LGW
-
BKK
1 stop14h 55m
คอนดอร์
Thu 24/922:35
BKK
-
LGW
1 stop22h 05m
คอนดอร์
Deal found 24/3฿18,737
Wed 22/410:10
LHR
-
BKK
1 stop21h 35m
ซาอุเดียแอร์ไลน์
Fri 8/501:50
BKK
-
LHR
1 stop16h 50m
ซาอุเดียแอร์ไลน์
Deal found 23/3฿18,737
Mon 1/622:45
STN
-
BKK
2 stops26h 00m
Multiple Airlines
Wed 17/615:05
BKK
-
STN
2 stops32h 30m
Multiple Airlines
Deal found 27/3฿18,737
Tue 9/610:20
LGW
-
BKK
1 stop20h 15m
คอนดอร์
Tue 23/622:35
BKK
-
LGW
1 stop22h 05m
คอนดอร์
Deal found 28/3฿18,770
Thu 17/915:40
LGW
-
BKK
1 stop14h 55m
คอนดอร์
Thu 24/922:35
BKK
-
LGW
1 stop16h 55m
คอนดอร์
Deal found 27/3฿18,803
Fri 1/516:15
LHR
-
BKK
1 stop15h 30m
ซาอุเดียแอร์ไลน์
Sun 17/515:25
BKK
-
LHR
1 stop22h 05m
ซาอุเดียแอร์ไลน์
Deal found 28/3฿18,803
Mon 8/615:15
LTN
-
BKK
2 stops20h 55m
Multiple Airlines
Tue 23/609:45
BKK
-
LTN
2 stops34h 50m
Multiple Airlines
Deal found 27/3฿18,803
Sat 5/915:40
LGW
-
BKK
1 stop14h 55m
คอนดอร์
Sun 27/922:35
BKK
-
LGW
1 stop22h 05m
คอนดอร์
Deal found 28/3฿18,836
Fri 12/622:05
LHR
-
BKK
1 stop31h 05m
Shenzhen Airlines
Sat 27/619:15
BKK
-
LHR
1 stop30h 45m
Shenzhen Airlines
Deal found 27/3฿18,836
Thu 30/415:15
LTN
-
BKK
2 stops26h 35m
Multiple Airlines
Fri 15/521:00
BKK
-
LTN
2 stops23h 35m
Multiple Airlines
Deal found 27/3฿18,836

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 28 March 2026.

Round-trip from

฿18,639

One-way from

฿12,656

Popular in

July

Cheapest in

May

Average price

฿27,711

Good round-trip deal

฿32,299 or less

Good one-way deal

฿22,205 or less
Norse Atlantic UK
  • Norse Atlantic UK
  • 17/6-12/11
  • 1 total stop
  • 42h 35m total
  • London to Thailand
Search Deals
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 20/4
  • 2 total stops
  • 30h 00m total
  • London to Thailand
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (฿115,597 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿26,543 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 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 28 March 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

LHR - BKK

LHRBKK

London Heathrow

Sun 3/5

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

Thu 21/5

12:10-20:00

1 stop37h 50m

฿19,198

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 15/6

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

Thu 25/6

03:15-20:00

1 stop22h 45m

฿19,658

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 20/4

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

Tue 12/5

12:10-20:00

1 stop37h 50m

฿19,658

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 30/4

18:00-22:15

2 stops22h 15m

Bangkok Suvarnabhumi

Sat 9/5

19:10-15:00

1 stop25h 50m

฿20,710

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 30/4

18:00-22:15

2 stops22h 15m

Bangkok Suvarnabhumi

Tue 12/5

07:50-06:40

3 stops28h 50m

฿20,940

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Tue 26/5

11:35-18:00

3 stops48h 25m

Phuket City

Mon 8/6

23:05-15:00

1 stop21h 55m

฿21,893

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Tue 12/5

11:35-18:00

2 stops48h 25m

Phuket City

Tue 19/5

18:55-06:40

2 stops65h 45m

฿22,090

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Sat 25/4

18:00-18:00

3 stops66h 00m

Phuket City

Tue 12/5

23:05-15:00

1 stop21h 55m

฿22,813

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Tue 8/9

10:25-16:20

1 stop23h 55m

Bangkok Don Mueang Intl

Tue 27/10

16:50-06:25

1 stop20h 35m

฿23,339

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Tue 8/9

10:25-16:20

1 stop23h 55m

Bangkok Don Mueang Intl

Tue 29/9

16:50-07:25

1 stop20h 35m

฿23,372

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 ฿10,651). Flying from London to Thailand in August is currently the most expensive (average of ฿22,386). 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 28 March 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 38% on flights from London to Thailand by exploring options for tickets at midday.

How often are flights from London to Thailand delayed?

About 14% of weekly flights between London and Thailand have experienced delays in the past year, with the average delay time being 92 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 8% of flights being delayed.

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 28 March 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
1,389 reviews
Check prices

Boarding

8.4

Crew

8.7

Overall

8.5

Food

8.1

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?
EVA Air
8.5
Very Good
1,389 reviews
EVA Air
8.5
Very Good
1,389 reviews
Check prices

Boarding

8.4

Crew

8.7

Overall

8.5

Food

8.1

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?
Thai Airways
7.8
Good
395 reviews
EVA Air
8.5
Very Good
1,389 reviews
Check prices

Boarding

8.4

Crew

8.7

Overall

8.5

Food

8.1

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?
เอทิฮัดแอร์เวย์
7.3
Good
1,431 reviews
EVA Air
8.5
Very Good
1,389 reviews
Check prices

Boarding

8.4

Crew

8.7

Overall

8.5

Food

8.1

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
EVA Air
8.5
Very Good
1,389 reviews
Check prices

Boarding

8.4

Crew

8.7

Overall

8.5

Food

8.1

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?
บริติชแอร์เวย์
6.7
Okay
7,828 reviews
EVA Air
8.5
Very Good
1,389 reviews
Check prices

Boarding

8.4

Crew

8.7

Overall

8.5

Food

8.1

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 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 ฿24,786, Shenzhen Airlines can have you in Thailand from London in 16h 05m. 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 Norse Atlantic UK. According to our data, you can fly for as low as ฿11,806. Users have also found prices from ฿13,287 and ฿14,537 on โอมานแอร์ and สวิส อินเตอร์เนชั่นแนล แอร์ไลน์, 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%), แอร์แคนาดา (86%) or EVA Air (84%) 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 ฿20,027. On average you can expect to pay ฿29,474. The most popular route, (London Heathrow - Bangkok Suvarnabhumi), can usually be booked for ฿16,370.

  • 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 ฿10,651). Flying from London to Thailand in August is currently the most expensive (average of ฿22,386). 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 28 March 2026.
AirlineCheapestAverageFlexibilityOn-time
ไห่หนานแอร์ไลน์Cheapest฿12,512Average฿18,857FlexibilityNo cancel feeOn-time61%
Search ไห่หนานแอร์ไลน์ flights
Shenzhen AirlinesCheapest฿15,781Average฿19,434FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest฿16,654Average฿20,290FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest฿17,657Average฿20,901FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest฿18,472Average฿21,960FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
บริติชแอร์เวย์Cheapest฿19,656Average฿31,476FlexibilityNo cancel feeOn-time70%
Search บริติชแอร์เวย์ flights
เอทิฮัดแอร์เวย์Cheapest฿21,985Average฿25,557FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
โอมานแอร์Cheapest฿22,378Average฿24,987FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
Qatar AirwaysCheapest฿23,192Average฿26,791FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Thai AirwaysCheapest฿29,190Average฿36,361FlexibilityNo cancel feeOn-time77%
Search Thai 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 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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