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Cheap flights from London to Thailand from £230

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
22 Apr — 29 Apr1
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 17 April 2025.

Round-trip from

£298

One-way from

£230

Popular in

December

Cheapest in

May

Average price

£701

Good round-trip deal

£593 or less

Good one-way deal

£324 or less
SAUDIA
  • SAUDIA
  • 18/5-3/6
  • 2 total stops
  • 46h 45m total
  • London to Thailand
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21/5
  • 21/5
  • 3 total stops
  • 53h 00m total
  • London to Thailand
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£43 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 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 17 April 2025.

Sun 18/517:30LHR - BKK
1 stop24h 40mSAUDIA
Tue 3/615:25BKK - LHR
1 stop22h 05mSAUDIA
Deal found 16/4£298
Tue 29/411:35LGW - HKT
2 stops29h 30mChina Eastern
Sun 11/500:05HKT - LGW
2 stops36h 35mChina Eastern
Deal found 16/4£386
Sat 19/422:10LHR - BKK
1 stop33h 55mChina Southern
Tue 17/613:45BKK - LHR
1 stop35h 15mChina Southern
Deal found 16/4£386
Fri 9/520:55STN - BKK
2 stops28h 55mMultiple Airlines
Wed 21/519:10BKK - STN
3 stops34h 45mMultiple Airlines
Deal found 16/4£397
Sun 27/419:00LGW - BKK
1 stop19h 55mChina Eastern
Mon 12/516:50BKK - LGW
1 stop19h 50mChina Eastern
Deal found 16/4£410
Fri 9/522:05LHR - BKK
1 stop22h 10mShenzhen Airlines
Thu 15/519:30BKK - LHR
1 stop30h 30mShenzhen Airlines
Deal found 16/4£420
Thu 1/521:20LHR - BKK
1 stop18h 35mChina Eastern
Tue 6/519:10BKK - LHR
1 stop29h 30mChina Eastern
Deal found 17/4£421
Wed 11/621:05LHR - BKK
1 stop16h 30mAir India
Mon 23/620:50BKK - LHR
1 stop19h 25mAir India
Deal found 17/4£429
Tue 22/407:05LHR - BKK
1 stop18h 10mMultiple Airlines
Sun 22/606:50BKK - LHR
2 stops42h 20mMultiple Airlines
Deal found 17/4£439
Sun 27/422:40LHR - BKK
2 stops22h 30mAir China
Sat 10/504:10BKK - LHR
2 stops22h 20mAir China
Deal found 16/4£439
Wed 18/612:35LGW - BKK
1 stop23h 35mAir China
Tue 24/601:30BKK - LGW
1 stop35h 05mAir China
Deal found 16/4£442
Thu 24/421:20LHR - HKT
1 stop18h 40mChina Eastern
Thu 15/518:55HKT - LHR
2 stops29h 45mChina Eastern
Deal found 16/4£452

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 17 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

LHR - BKK

LHRBKK

London Heathrow

Sun 18/5

17:30-00:10

1 stop24h 40m

Bangkok Suvarnabhumi

Tue 3/6

15:25-07:30

1 stop22h 05m

£298

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Tue 29/4

11:35-23:05

2 stops29h 30m

Phuket City

Sun 11/5

00:05-06:40

2 stops36h 35m

£386

LondonBangkok

STN - BKK

STNBKK

London Stansted

Fri 9/5

20:55-07:50

2 stops28h 55m

Bangkok Suvarnabhumi

Wed 21/5

19:10-23:55

3 stops34h 45m

£397

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 27/4

19:00-20:55

1 stop19h 55m

Bangkok Suvarnabhumi

Mon 12/5

16:50-06:40

1 stop19h 50m

£410

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 30/4

22:10-01:30

1 stop21h 20m

Bangkok Suvarnabhumi

Mon 19/5

19:00-19:00

1 stop30h 00m

£419

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 9/5

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

Thu 15/5

19:30-20:00

1 stop30h 30m

£420

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 1/5

21:20-21:55

1 stop18h 35m

Bangkok Suvarnabhumi

Tue 6/5

19:10-18:40

1 stop29h 30m

£421

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 11/6

21:05-19:35

1 stop16h 30m

Bangkok Suvarnabhumi

Mon 23/6

20:50-10:15

1 stop19h 25m

£429

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 20/9

12:35-00:10

1 stop29h 35m

Bangkok Suvarnabhumi

Sun 12/10

19:35-06:35

1 stop17h 00m

£439

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 27/4

22:40-03:10

2 stops22h 30m

Bangkok Suvarnabhumi

Sat 10/5

04:10-20:30

2 stops22h 20m

£439

Flights are sorted by cheapest return flights first.

Deals found on 16/4

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, May is the cheapest month in which you can book a flight from London to Thailand (average of £730). 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 17 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 17 April 2025.

The most flights from LON to TH0 are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, 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 17 April 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
37 reviews
Check prices

Boarding

8.5

Crew

8.9

Entertainment

7.7

Overall

8.1

Food

8.5

Comfort

8.1

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
37 reviews
Hainan Airlines
8.1
Very Good
37 reviews
Check prices

Boarding

8.5

Crew

8.9

Entertainment

7.7

Overall

8.1

Food

8.5

Comfort

8.1

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
1,288 reviews
Hainan Airlines
8.1
Very Good
37 reviews
Check prices

Boarding

8.5

Crew

8.9

Entertainment

7.7

Overall

8.1

Food

8.5

Comfort

8.1

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
3,200 reviews
Hainan Airlines
8.1
Very Good
37 reviews
Check prices

Boarding

8.5

Crew

8.9

Entertainment

7.7

Overall

8.1

Food

8.5

Comfort

8.1

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
1,329 reviews
Hainan Airlines
8.1
Very Good
37 reviews
Check prices

Boarding

8.5

Crew

8.9

Entertainment

7.7

Overall

8.1

Food

8.5

Comfort

8.1

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 China Eastern, with whom users have recently found tickets for as low as £279. However, be on the lookout for offers from Air China and Royal Jordanian, 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 (69%), Air Canada (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?

    Looking for the cheapest flight from London to Thailand? While on average our users pay £2,585, our data indicates the cheapest price to be £353. The most popular route (London Heathrow - Bangkok Suvarnabhumi), is priced around £298.

  • 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 £730). 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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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 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkmenistan AirlinesCheapest£294Average£547FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Norse Atlantic UKCheapest£316Average£574FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Qantas AirwaysCheapest£379Average£720FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Hainan AirlinesCheapest£406Average£473FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
KLMCheapest£433Average£809FlexibilityNo cancel feeOn-time75%
Search KLM flights
Royal JordanianCheapest£466Average£629FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
Royal Brunei AirlinesCheapest£475Average£551FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Air FranceCheapest£482Average£726FlexibilityNo cancel feeOn-time77%
Search Air France flights
SWISSCheapest£487Average£732FlexibilityNo cancel feeOn-time79%
Search SWISS flights
ITA AirwaysCheapest£501Average£584FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights

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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.

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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