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Cheap flights from London to Bangkok from £291

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
31 Mar — 7 Apr1
1 adult

Cheapflights Tip: The best prices from London to Bangkok are usually found in May or September, booked 62 days in advance, depart on a Sunday or Wednesday and return on a Tuesday

Cheap flight deals from London to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Bangkok (TH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 March 2025.

Round-trip from

£451

One-way from

£291

Popular in

December

Cheapest in

May

Average price

£642
SAUDIA
  • SAUDIA
  • 14/6-10/7
  • 2 total stops
  • 43h 50m total
  • London to Bangkok
28/4
  • 28/4
  • 2 total stops
  • 35h 00m total
  • London to Bangkok
Highest demand for flights based on searches. 7% potential increase in price (£44 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in March 2025

Find flight deals from London to Bangkok

Cheapest flights from London to Bangkok
Explore the most affordable flight options available from London to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2025.

Sun 15/617:30LHR - BKK
1 stop24h 40mSAUDIA
Tue 8/715:25BKK - LHR
1 stop22h 05mSAUDIA
Deal found 25/3£451
Wed 23/418:25LGW - BKK
1 stop17h 40mChina Eastern
Thu 15/502:10BKK - LGW
1 stop19h 00mChina Eastern
Deal found 24/3£451
Thu 8/520:25LHR - BKK
2 stops24h 45mAir China
Thu 15/504:10BKK - LHR
2 stops22h 20mAir China
Deal found 25/3£451
Sat 20/922:10LHR - BKK
1 stop21h 20mChina Southern
Sun 14/1218:55BKK - LHR
1 stop30h 20mChina Southern
Deal found 25/3£452
Tue 13/507:05STN - BKK
2 stops35h 05mMultiple Airlines
Tue 20/518:20BKK - STN
2 stops22h 05mMultiple Airlines
Deal found 24/3£453
Sat 8/1111:40LGW - BKK
1 stop30h 00mAir China
Fri 21/1101:40BKK - LGW
1 stop36h 15mAir China
Deal found 25/3£455
Thu 19/615:00LGW - BKK
1 stop16h 45mSAUDIA
Mon 7/701:50BKK - LGW
1 stop17h 10mSAUDIA
Deal found 24/3£456
Thu 8/521:20LHR - BKK
2 stops33h 00mChina Eastern
Fri 13/605:05BKK - LHR
1 stop19h 35mChina Eastern
Deal found 25/3£457
Tue 10/621:30LGW - BKK
2 stops33h 20mChina Southern
Wed 18/603:00BKK - LGW
1 stop34h 10mChina Southern
Deal found 23/3£458
Sat 26/422:05LHR - BKK
1 stop22h 10mShenzhen Airlines
Sun 4/519:30BKK - LHR
1 stop30h 20mShenzhen Airlines
Deal found 25/3£461
Thu 24/407:05LHR - BKK
1 stop18h 10mMultiple Airlines
Thu 1/516:55BKK - LHR
2 stops32h 15mMultiple Airlines
Deal found 25/3£465
Thu 8/512:40LTN - BKK
2 stops37h 25mMultiple Airlines
Sat 17/520:25BKK - LTN
2 stops33h 00mMultiple Airlines
Deal found 25/3£469

Cheapflights Fare Finder

Customise your flight search to find flights from London to Bangkok 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 26 March 2025.
Use the filters below to find and compare flights from London to Bangkok that are best for you.

Fly from

London

Fly to

Bangkok

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 15/6

17:30-00:10

1 stop24h 40m

Bangkok Suvarnabhumi

Tue 8/7

15:25-07:30

1 stop22h 05m

£451

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 23/4

18:25-18:05

1 stop17h 40m

Bangkok Suvarnabhumi

Thu 15/5

02:10-15:10

1 stop19h 00m

£451

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 8/5

21:20-04:05

1 stop24h 45m

Bangkok Suvarnabhumi

Thu 22/5

02:10-18:40

1 stop22h 30m

£451

LondonBangkok

STN - BKK

STNBKK

London Stansted

Tue 13/5

07:05-00:10

2 stops35h 05m

Bangkok Suvarnabhumi

Tue 20/5

18:20-10:25

2 stops22h 05m

£453

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 19/6

15:00-13:45

1 stop16h 45m

Bangkok Suvarnabhumi

Mon 7/7

01:50-13:00

1 stop17h 10m

£456

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 10/6

21:30-12:50

2 stops33h 20m

Bangkok Suvarnabhumi

Wed 18/6

03:00-07:10

1 stop34h 10m

£458

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 16/6

22:00-10:00

2 stops30h 00m

Bangkok Suvarnabhumi

Sun 29/6

19:20-19:30

2 stops30h 10m

£459

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 1/5

20:25-00:10

1 stop21h 45m

Bangkok Suvarnabhumi

Wed 7/5

01:30-20:30

1 stop25h 00m

£461

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Mon 9/6

12:35-18:10

1 stop23h 35m

Bangkok Suvarnabhumi

Wed 18/6

19:35-06:35

1 stop17h 00m

£462

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 16/9

22:10-10:20

1 stop30h 10m

Bangkok Suvarnabhumi

Fri 14/11

02:10-18:15

1 stop23h 05m

£469

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 60 results
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Best time to book a flight from London to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok 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 Bangkok

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

Use this chart to determine the optimal time to book a return flight from London to Bangkok. Price data was last updated on 21 March 2025.

To ensure you get the cheapest price possible for a flight from London to Bangkok, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from London to Bangkok (average of £781). Flying from London to Bangkok 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 BKK?

Find hourly flight availability from London to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 March 2025.

One of the essential ways to save on airfare from London to Bangkok is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 31% on airfare.

What is the cheapest day to fly from London to Bangkok?

Use this chart to determine the cheapest time to fly return from London to Bangkok. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Bangkok flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Bangkok

Explore weekly flight availability from London to Bangkok. 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 26 March 2025.

The most flights from LON to TH1 are scheduled on a Monday (8 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 Bangkok by month

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

In terms of precipitation, rainfall in Bangkok 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 Bangkok when rainfall is around 10.0 mm.

Temperature in Bangkok by month

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

If weather is an important factor for your trip to Bangkok, 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 Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated 26 March 2025.
Get a feel of what it's like to fly with Singapore Airlines, Emirates and KLM from London to Bangkok by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

Related info for your journey

Find useful and relevant information for your journey from London to Bangkok. 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 flying from London to Bangkok round-trip?

    Cheapflights users have booked flights from London to Bangkok round-trip from £451. Other airlines that can offer you cheap pricing are China Eastern, from £451, and China Southern, from £452. You may be able to fly from London to Bangkok for 32% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is China Eastern, with whom users have recently found tickets for as low as £292. However, be on the lookout for offers from China Southern and Air India, as they are both options that can get you from London to Bangkok for a low price.

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

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

    Consider Air Canada (71%), Thai Airways (67%) or EVA Air (62%) when booking your flight. These represent the most reliable airlines when flying from London to Bangkok.

  • What are the cheapest flights from London to Bangkok?

    While on average a flight from London to Bangkok is generally £2,721, our data shows the cheapest flight currently is £360. When looking at the most popular route, (London Heathrow - Bangkok Suvarnabhumi), you can expect to pay £304 for that flight.

  • Where are the most common stopover locations when flying from London to Bangkok?

  • What are some popular things to do or see while on a stopover in Shanghai?

    If you're on a stopover in Shanghai and looking for things to do, consider visiting People's Square, Shanghai Disneyland, or Shanghai Grand Theatre. People's Square, Shanghai Disneyland, and Shanghai Grand Theatre can be visited by traveling about 20.3 mi, 8.7 mi, and 20.6 mi respectively from Shanghai Pu Dong.

  • What are points of interest worth seeing during a stopover in Abu Dhabi?

    Most Abu Dhabi visitors opt to spend their time at Etihad Towers, Sheikh Zayed Mosque, and Emirates Park Zoo. Etihad Towers, Sheikh Zayed Mosque, and Emirates Park Zoo can be accessed by travelling approximately 20.8 mi, 11.2 mi, and 7.9 mi, respectively from Abu Dhabi Zayed Intl. Those looking to explore during their layover in Abu Dhabi can hire a car from Abu Dhabi Zayed Intl for about £22 per day.

  • Where are the least popular stopover locations for London to Bangkok flights?

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from London to Bangkok (average of £781). Flying from London to Bangkok 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

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

Alternative routes for London to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to Bangkok

Discover the top 10 airlines that operate flights from London to Bangkok. 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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkmenistan AirlinesCheapest£299Average£558FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Shenzhen AirlinesCheapest£390Average£433FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Hainan AirlinesCheapest£413Average£469FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Norse Atlantic UKCheapest£447Average£583FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Royal JordanianCheapest£477Average£641FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
SAUDIACheapest£482Average£598FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Royal Brunei AirlinesCheapest£486Average£672FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Air FranceCheapest£493Average£699FlexibilityNo cancel feeOn-time77%
Search Air France flights
Turkish AirlinesCheapest£501Average£667FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
SWISSCheapest£502Average£707FlexibilityNo cancel feeOn-time79%
Search SWISS 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 Bangkok?

Cheapflights makes it easy to find London to Bangkok flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Bangkok from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Bangkok flexibly with Cheapflights today.

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

Yes! Start tracking prices for London to Bangkok flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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