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Cheap flights from London to Thailand from £284

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£417

One-way from

£284

Popular in

December

Cheapest in

May

Average price

£563

Good round-trip deal

£534 or less

Good one-way deal

£297 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 31/8-7/9
  • 2 total stops
  • 53h 40m total
  • London to Thailand
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28/8
  • 28/8
  • 1 total stop
  • 25h 50m total
  • London to Thailand
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 13 June 2025.

Tue 18/1111:40LGW - BKK
1 stop30h 00mAir China
Tue 2/1201:40BKK - LGW
1 stop36h 15mAir China
Deal found 10/6£417
Sun 31/822:05LHR - BKK
1 stop31h 05mShenzhen Airlines
Sun 7/903:15BKK - LHR
1 stop22h 35mShenzhen Airlines
Deal found 11/6£417
Mon 16/611:35LGW - BKK
1 stop18h 55mChina Eastern
Wed 2/702:10BKK - LGW
1 stop18h 50mChina Eastern
Deal found 10/6£420
Wed 25/622:10LHR - BKK
1 stop31h 30mChina Southern
Wed 2/713:45BKK - LHR
1 stop35h 15mChina Southern
Deal found 12/6£421
Wed 18/608:15STN - BKK
2 stops27h 10mMultiple Airlines
Wed 25/621:55BKK - STN
3 stops32h 00mMultiple Airlines
Deal found 11/6£421
Wed 25/622:00LHR - BKK
1 stop20h 20mHainan Airlines
Tue 5/801:30BKK - LHR
1 stop24h 00mHainan Airlines
Deal found 11/6£422
Thu 12/622:40LHR - BKK
1 stop19h 30mAir China
Thu 26/619:35BKK - LHR
1 stop30h 55mAir China
Deal found 11/6£428
Mon 1/921:20LHR - BKK
1 stop21h 20mChina Eastern
Sat 29/1101:55BKK - LHR
1 stop22h 35mChina Eastern
Deal found 12/6£434
Fri 3/1020:40LTN - BKK
2 stops39h 30mMultiple Airlines
Sun 19/1018:20BKK - LTN
2 stops23h 35mMultiple Airlines
Deal found 11/6£435
Sat 4/1016:55LGW - BKK
1 stop14h 10mMultiple Airlines
Mon 27/1012:30BKK - LGW
Nonstop13h 00mMultiple Airlines
Deal found 12/6£439
Tue 28/1016:00LGW - BKK
Nonstop11h 25mNorse Atlantic UK
Thu 30/1012:30BKK - LGW
Nonstop13h 00mNorse Atlantic UK
Deal found 12/6£465
Fri 20/612:00LGW - BKK
1 stop31h 30mChina Southern
Tue 1/703:00BKK - LGW
1 stop34h 05mChina Southern
Deal found 11/6£482

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 858,174 searches. Data last updated 13 June 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

LHR - BKK

LHRBKK

London Heathrow

Sun 31/8

22:05-11:10

1 stop31h 05m

Bangkok Suvarnabhumi

Sun 7/9

03:15-19:50

1 stop22h 35m

£417

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 24/9

12:35-00:10

1 stop29h 35m

Bangkok Suvarnabhumi

Fri 21/11

01:40-06:55

1 stop36h 15m

£421

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 25/6

22:10-11:40

1 stop31h 30m

Bangkok Suvarnabhumi

Wed 2/7

13:45-19:00

1 stop35h 15m

£421

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 25/6

22:00-00:20

1 stop20h 20m

Bangkok Suvarnabhumi

Tue 5/8

01:30-19:30

1 stop24h 00m

£422

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 27/6

11:35-12:30

1 stop18h 55m

Bangkok Suvarnabhumi

Thu 17/7

02:10-15:10

1 stop19h 00m

£423

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 1/9

21:20-00:40

1 stop21h 20m

Bangkok Suvarnabhumi

Sat 29/11

01:55-17:30

1 stop22h 35m

£434

LondonBangkok

LTN - BKK

LTNBKK

London Luton

Fri 3/10

20:40-18:10

2 stops39h 30m

Bangkok Suvarnabhumi

Sun 19/10

18:20-11:55

2 stops23h 35m

£435

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 26/6

12:00-11:40

1 stop17h 40m

Bangkok Suvarnabhumi

Wed 2/7

19:00-07:05

1 stop18h 05m

£436

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 4/10

16:55-13:05

1 stop14h 10m

Bangkok Suvarnabhumi

Mon 27/10

12:30-18:30

Nonstop13h 00m

£439

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 5/11

17:40-18:05

1 stop17h 25m

Bangkok Suvarnabhumi

Wed 10/12

19:30-15:55

1 stop27h 25m

£446

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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, May is the cheapest month in which you can book a flight from London to Thailand (average of £718). Flying from London to Thailand in December is currently the most expensive (average of £1,123). 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 13 June 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 13 June 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 13 June 2025.
Get a feel of what it's like to fly with Hainan Airlines, Singapore Airlines and Emirates from London to Thailand by reading reviews from past customers. 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.
Hainan Airlines
8.1
Very Good
39 reviews
Check prices

Boarding

8.6

Food

8.5

Overall

8.1

Comfort

8.1

Entertainment

7.7

Crew

8.9

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.
Hainan Airlines
8.1
Very Good
39 reviews
Hainan Airlines
8.1
Very Good
39 reviews
Check prices

Boarding

8.6

Food

8.5

Overall

8.1

Comfort

8.1

Entertainment

7.7

Crew

8.9

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
1,304 reviews
Hainan Airlines
8.1
Very Good
39 reviews
Check prices

Boarding

8.6

Food

8.5

Overall

8.1

Comfort

8.1

Entertainment

7.7

Crew

8.9

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
8.1
Very Good
3,265 reviews
Hainan Airlines
8.1
Very Good
39 reviews
Check prices

Boarding

8.6

Food

8.5

Overall

8.1

Comfort

8.1

Entertainment

7.7

Crew

8.9

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.
KLM
7.8
Good
1,358 reviews
Hainan Airlines
8.1
Very Good
39 reviews
Check prices

Boarding

8.6

Food

8.5

Overall

8.1

Comfort

8.1

Entertainment

7.7

Crew

8.9

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?

    The cheapest airline one-way is Royal Jordanian, with whom users have recently found tickets for as low as £284. However, be on the lookout for offers from Hainan Airlines and China Eastern, as they are both options that can get you from London to Thailand for a low price.

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

    The most popular flight routes from London to Thailand are London Heathrow - Bangkok Suvarnabhumi, London Gatwick - Bangkok Suvarnabhumi and London City - Bangkok Suvarnabhumi.

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

    Consider Thai Airways (62%), EVA Air (59%) or Air Canada (57%) 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?

    Looking for the cheapest flight from London to Thailand? While on average our users pay £2,830, our data indicates the cheapest price to be £349. The most popular route (London Heathrow - Bangkok Suvarnabhumi), is priced around £341.

  • 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 £718). Flying from London to Thailand in December is currently the most expensive (average of £1,123). 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.
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Heathrow to Ho Chi Minh City flights
Stansted to Kuala Lumpur Intl flights
London City to Kuala Lumpur Intl flights
London City to Hong Kong 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 858,174 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest£107Average£143FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Turkmenistan AirlinesCheapest£287Average£543FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Hainan AirlinesCheapest£374Average£433FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
KLMCheapest£422Average£778FlexibilityNo cancel feeOn-time75%
Search KLM flights
Norse Atlantic UKCheapest£450Average£559FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Royal JordanianCheapest£454Average£624FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
Royal Brunei AirlinesCheapest£463Average£537FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Air FranceCheapest£480Average£706FlexibilityNo cancel feeOn-time77%
Search Air France flights
SWISSCheapest£481Average£777FlexibilityNo cancel feeOn-time79%
Search SWISS flights
ITA AirwaysCheapest£488Average£569FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights

Fly with Cheapflights

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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?

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

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