Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Bangkok from £275

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
4 May — 11 May1
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 29 April 2025.

Round-trip from

£410

One-way from

£275

Popular in

December

Cheapest in

May

Average price

£689
Hainan Airlines
  • Hainan Airlines
  • 13/6-24/6
  • 3 total stops
  • 76h 40m total
  • London to Bangkok
12/5
  • 12/5
  • 3 total stops
  • 42h 50m total
  • London to Bangkok
Highest demand for flights based on searches. 8% potential increase in price (£42 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in April 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 29 April 2025.

Fri 13/622:00LHR - BKK
2 stops38h 15mHainan Airlines
Tue 24/611:05BKK - LHR
1 stop38h 25mHainan Airlines
Deal found 28/4£410
Mon 2/618:05LGW - BKK
1 stop18h 00mChina Eastern
Sun 8/621:55BKK - LGW
1 stop23h 15mChina Eastern
Deal found 28/4£411
Thu 8/521:20LHR - BKK
1 stop17h 35mChina Eastern
Fri 16/519:10BKK - LHR
1 stop29h 30mChina Eastern
Deal found 28/4£411
Thu 5/615:50STN - BKK
2 stops36h 00mMultiple Airlines
Wed 11/621:55BKK - STN
3 stops32h 00mMultiple Airlines
Deal found 28/4£412
Mon 9/612:35LGW - BKK
1 stop29h 35mAir China
Mon 16/604:10BKK - LGW
2 stops32h 25mAir China
Deal found 28/4£414
Tue 27/522:10LHR - BKK
1 stop31h 30mChina Southern
Thu 19/603:00BKK - LHR
1 stop22h 00mChina Southern
Deal found 28/4£414
Mon 27/1021:10LHR - BKK
1 stop38h 20mShenzhen Airlines
Sun 16/1103:05BKK - LHR
1 stop23h 05mShenzhen Airlines
Deal found 28/4£418
Tue 13/522:40LHR - BKK
2 stops22h 30mAir China
Tue 10/601:30BKK - LHR
1 stop22h 15mAir China
Deal found 28/4£436
Tue 3/614:35LTN - BKK
2 stops35h 30mMultiple Airlines
Thu 26/618:05BKK - LTN
2 stops34h 40mMultiple Airlines
Deal found 27/4£451
Sat 10/510:00LHR - BKK
1 stop21h 45mSAUDIA
Sun 29/615:25BKK - LHR
1 stop22h 05mSAUDIA
Deal found 28/4£454
Sat 10/520:20LGW - BKK
2 stops35h 25mMultiple Airlines
Mon 19/501:50BKK - LGW
2 stops23h 50mMultiple Airlines
Deal found 28/4£467
Tue 6/522:15LHR - BKK
2 stops27h 50mMultiple Airlines
Sun 8/603:15BKK - LHR
1 stop22h 35mMultiple Airlines
Deal found 28/4£479

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 29 April 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

Fri 13/6

22:00-18:15

2 stops38h 15m

Bangkok Suvarnabhumi

Tue 24/6

11:05-19:30

1 stop38h 25m

£410

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Mon 2/6

18:05-18:05

1 stop18h 00m

Bangkok Suvarnabhumi

Sun 8/6

21:55-15:10

1 stop23h 15m

£411

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 13/5

21:20-21:55

1 stop18h 35m

Bangkok Suvarnabhumi

Tue 3/6

20:50-18:40

2 stops27h 50m

£411

LondonBangkok

STN - BKK

STNBKK

London Stansted

Thu 5/6

15:50-09:50

2 stops36h 00m

Bangkok Suvarnabhumi

Wed 11/6

21:55-23:55

3 stops32h 00m

£412

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 27/5

22:10-11:40

1 stop31h 30m

Bangkok Suvarnabhumi

Thu 19/6

03:00-19:00

1 stop22h 00m

£414

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 24/5

22:05-11:10

1 stop31h 05m

Bangkok Suvarnabhumi

Sun 8/6

19:30-19:50

1 stop30h 20m

£418

LondonBangkok

LCY - BKK

LCYBKK

London City

Fri 17/10

08:40-09:30

1 stop18h 50m

Bangkok Suvarnabhumi

Tue 21/10

12:05-07:15

1 stop25h 10m

£419

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 1/6

12:35-18:10

1 stop23h 35m

Bangkok Suvarnabhumi

Wed 11/6

01:30-06:35

1 stop35h 05m

£430

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 10/5

10:00-13:45

1 stop21h 45m

Bangkok Suvarnabhumi

Sun 29/6

15:25-07:30

1 stop22h 05m

£430

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 10/5

22:40-00:10

1 stop19h 30m

Bangkok Suvarnabhumi

Tue 20/5

19:35-20:30

1 stop30h 55m

£437

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 57 results
1
2
3
...
6

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 25 April 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 £717). 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 29 April 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 Thursday 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 29 April 2025.

The most flights from LON to TH1 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 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 29 April 2025.
Get a feel of what it's like to fly with Hainan Airlines, Singapore Airlines and Emirates 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.

Food

8.5

Overall

8.1

Entertainment

7.7

Crew

9.0

Comfort

8.1

Boarding

8.6

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.

Food

8.5

Overall

8.1

Entertainment

7.7

Crew

9.0

Comfort

8.1

Boarding

8.6

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.

Food

8.5

Overall

8.1

Entertainment

7.7

Crew

9.0

Comfort

8.1

Boarding

8.6

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.

Food

8.5

Overall

8.1

Entertainment

7.7

Crew

9.0

Comfort

8.1

Boarding

8.6

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.

Food

8.5

Overall

8.1

Entertainment

7.7

Crew

9.0

Comfort

8.1

Boarding

8.6

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 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 £410. Other airlines that can offer you cheap pricing are China Eastern, from £411, and China Southern, from £414. You may be able to fly from London to Bangkok for 36% 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 Hainan Airlines, with whom users have recently found tickets for as low as £275. However, be on the lookout for offers from Thai Airways and Air China, 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 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 Bangkok.

  • What are the cheapest flights from London to Bangkok?

    While on average a flight from London to Bangkok is generally £2,563, our data shows the cheapest flight currently is £357. When looking at the most popular route, (London Heathrow - Bangkok Suvarnabhumi), you can expect to pay £383 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 Dubai?

    Most Dubai visitors opt to spend their time at Gold Souq, Burj Khalifa, and Dubai Mall. Gold Souq, Burj Khalifa, and Dubai Mall can be accessed by travelling approximately 4.2 mi, 6.8 mi, and 6.5 mi, respectively from Dubai Intl. Those looking to explore during their layover in Dubai can hire a car from Dubai Intl for about £19 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 £717). 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkmenistan AirlinesCheapest£292Average£542FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Norse Atlantic UKCheapest£313Average£570FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SAUDIACheapest£340Average£555FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Hainan AirlinesCheapest£404Average£473FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Royal JordanianCheapest£462Average£626FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
Royal Brunei AirlinesCheapest£471Average£650FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Air FranceCheapest£480Average£677FlexibilityNo cancel feeOn-time77%
Search Air France flights
SWISSCheapest£484Average£692FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest£486Average£625FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
KLMCheapest£488Average£792FlexibilityNo cancel feeOn-time75%
Search KLM 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.