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Cheap flights from London to Thailand from ฿12,259

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 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
3 May — 10 May1
1 adult

Cheap 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 April 2025.

Round-trip from

฿18,339

One-way from

฿12,259

Popular in

December

Cheapest in

May

Average price

฿30,732

Good round-trip deal

฿23,621 or less

Good one-way deal

฿19,691 or less
China Eastern
  • China Eastern
  • 16/5-23/5
  • 2 total stops
  • 42h 00m total
  • London to Thailand
Search Deals
27/6
  • 27/6
  • 2 total stops
  • 34h 40m total
  • London to Thailand
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (฿84,298 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿31,981 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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.
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Find flight deals from London to Thailand

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 April 2025.

Mon 5/518:05LGW - BKK
1 stop18h 00mChina Eastern
Mon 12/521:55BKK - LGW
1 stop23h 05mChina Eastern
Deal found 27/4฿18,339
Mon 2/622:00LHR - BKK
1 stop30h 00mไห่หนานแอร์ไลน์
Sun 22/619:20BKK - LHR
1 stop30h 10mไห่หนานแอร์ไลน์
Deal found 27/4฿18,339
Sun 11/521:20LHR - BKK
1 stop24h 45mChina Eastern
Wed 28/516:50BKK - LHR
1 stop31h 50mChina Eastern
Deal found 27/4฿18,372
Mon 9/622:05LHR - BKK
1 stop22h 10mShenzhen Airlines
Sun 15/603:15BKK - LHR
1 stop22h 35mShenzhen Airlines
Deal found 26/4฿18,439
Thu 22/515:50STN - BKK
2 stops36h 00mMultiple Airlines
Wed 11/621:55BKK - STN
3 stops32h 00mMultiple Airlines
Deal found 27/4฿18,439
Mon 28/422:10LHR - BKK
1 stop36h 40mChina Southern
Thu 15/508:20BKK - LHR
1 stop16h 40mChina Southern
Deal found 27/4฿18,606
Tue 3/612:35LGW - BKK
1 stop29h 35mAir China
Tue 10/604:10BKK - LGW
2 stops32h 25mAir China
Deal found 27/4฿19,140
Thu 15/522:40LHR - BKK
2 stops22h 30mAir China
Mon 26/504:10BKK - LHR
2 stops22h 20mAir China
Deal found 27/4฿19,641
Tue 3/614:35LTN - BKK
2 stops35h 30mMultiple Airlines
Thu 26/618:05BKK - LTN
2 stops34h 40mMultiple Airlines
Deal found 27/4฿20,109
Sat 10/510:00LHR - BKK
1 stop21h 45mซาอุเดียแอร์ไลน์
Sun 29/615:25BKK - LHR
1 stop22h 05mซาอุเดียแอร์ไลน์
Deal found 27/4฿20,176
Tue 6/521:30LGW - BKK
2 stops37h 20mChina Southern
Wed 18/603:00BKK - LGW
1 stop34h 10mChina Southern
Deal found 27/4฿20,677
Tue 20/520:20LGW - BKK
2 stops29h 50mMultiple Airlines
Wed 28/519:10BKK - LGW
3 stops32h 45mMultiple Airlines
Deal found 27/4฿20,710

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 April 2025.
Use the filters below to find and compare flights from London to Thailand that are best for you.

Fly from

London

Fly to

Thailand

Route

Depart

Return

Price

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 16/5

11:35-12:30

1 stop18h 55m

Bangkok Suvarnabhumi

Fri 23/5

21:55-15:00

1 stop23h 05m

฿18,339

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 26/5

22:00-10:00

1 stop30h 00m

Bangkok Suvarnabhumi

Sun 1/6

01:30-19:30

1 stop24h 00m

฿18,339

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 11/5

21:20-04:05

1 stop24h 45m

Bangkok Suvarnabhumi

Wed 28/5

16:50-18:40

1 stop31h 50m

฿18,372

LondonBangkok

STN - BKK

STNBKK

London Stansted

Thu 22/5

15:50-09:50

2 stops36h 00m

Bangkok Suvarnabhumi

Wed 11/6

21:55-23:55

3 stops32h 00m

฿18,439

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 24/5

22:05-11:10

1 stop31h 05m

Bangkok Suvarnabhumi

Sat 21/6

19:30-20:00

1 stop30h 30m

฿18,673

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 16/6

22:10-01:30

1 stop21h 20m

Bangkok Suvarnabhumi

Tue 24/6

19:00-19:00

1 stop30h 00m

฿18,740

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 29/5

14:20-09:50

2 stops37h 30m

Bangkok Suvarnabhumi

Tue 17/6

18:00-23:05

2 stops35h 05m

฿19,074

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 3/6

12:35-00:10

1 stop29h 35m

Bangkok Suvarnabhumi

Tue 10/6

04:10-06:35

2 stops32h 25m

฿19,140

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 11/5

20:25-03:10

2 stops24h 45m

Bangkok Suvarnabhumi

Tue 20/5

04:10-20:30

2 stops22h 20m

฿19,575

LondonBangkok

LTN - BKK

LTNBKK

London Luton

Tue 3/6

14:35-08:05

2 stops35h 30m

Bangkok Suvarnabhumi

Thu 26/6

18:05-22:45

2 stops34h 40m

฿20,109

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 60 results
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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, June is the cheapest month in which you can book a flight from London to Thailand (average of ฿57). Flying from London to Thailand in December is currently the most expensive (average of ฿80). 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 April 2025.

When flying from London to Thailand, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 28 April 2025.

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

Rainfall in Thailand by month

Plan your trip to Thailand by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Thailand ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Thailand when rainfall is around 10.0 mm.

Temperature in Thailand by month

Plan your trip to Thailand by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Thailand, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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 April 2025.
Read reviews from past customers who have flown ไห่หนานแอร์ไลน์, Singapore Airlines and Emirates from London to Thailand. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Comfort

8.1

Boarding

8.6

Food

8.5

Crew

9.0

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Comfort

8.1

Boarding

8.6

Food

8.5

Crew

9.0

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Singapore Airlines
8.1
Very Good
1,292 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Comfort

8.1

Boarding

8.6

Food

8.5

Crew

9.0

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Emirates
8.0
Very Good
3,213 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Comfort

8.1

Boarding

8.6

Food

8.5

Crew

9.0

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
7.8
Good
1,333 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Comfort

8.1

Boarding

8.6

Food

8.5

Crew

9.0

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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.

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

    For one-way options, check prices for ไห่หนานแอร์ไลน์. According to our data, you can fly for as low as ฿12,293. Users have also found prices from ฿12,526 and ฿12,660 on Air China and China Eastern, respectively.

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

    While some choose either London Gatwick - Bangkok Suvarnabhumi or London City - 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 (69%), แอร์แคนาดา (68%) or EVA Air (62%) 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 ฿19,427. On average you can expect to pay ฿78,422. The most popular route, (London Heathrow - Bangkok Suvarnabhumi), can usually be booked for ฿17,103.

  • 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, June is the cheapest month in which you can book a flight from London to Thailand (average of ฿57). Flying from London to Thailand in December is currently the most expensive (average of ฿80). 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

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

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 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest฿17,556Average฿24,877FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest฿17,795Average฿19,418FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest฿18,254Average฿29,324FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest฿19,266Average฿21,016FlexibilityNo cancel feeOn-time67%
Search Air China flights
กัลฟ์แอร์Cheapest฿22,575Average฿26,151FlexibilityNo cancel feeOn-time67%
Search กัลฟ์แอร์ flights
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์Cheapest฿23,141Average฿45,687FlexibilityNo cancel feeOn-time79%
Search สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ flights
เอทิฮัดแอร์เวย์Cheapest฿23,228Average฿26,309FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
โอมานแอร์Cheapest฿23,443Average฿24,364FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
Qatar AirwaysCheapest฿24,574Average฿32,293FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
ออสเตรียนแอร์ไลน์Cheapest฿26,145Average฿33,689FlexibilityNo cancel feeOn-time78%
Search ออสเตรียนแอร์ไลน์ flights

Fly with Cheapflights

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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.

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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.

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