Cheap flights from London to Bangkok from £298

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
23 Jul — 30 Jul1
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 Tuesday and return on a Thursday

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 18 July 2025.

Round-trip from

£511

One-way from

£298

Popular in

December

Cheapest in

May

Average price

£839
Vietnam Airlines
  • Vietnam Airlines
  • 31/8-8/9
  • 2 total stops
  • 48h 55m total
  • London to Bangkok
China Eastern
  • China Eastern
  • 18/9
  • 2 total stops
  • 36h 55m total
  • London to Bangkok
Highest demand for flights based on searches. 8% potential increase in price (£44 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 July 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 18 July 2025.

Sun 31/822:05LHR - BKK
1 stop22h 10mMultiple Airlines
Mon 8/921:05BKK - LHR
1 stop26h 45mMultiple Airlines
Deal found 16/7£511
Sun 7/921:50LGW - BKK
2 stops26h 25mMultiple Airlines
Mon 15/908:55BKK - LGW
2 stops27h 40mMultiple Airlines
Deal found 16/7£512
Tue 9/920:50LHR - BKK
1 stop14h 55mOman Air
Tue 16/919:10BKK - LHR
1 stop30h 00mOman Air
Deal found 16/7£512
Mon 8/915:30STN - BKK
2 stops21h 20mMultiple Airlines
Wed 17/920:55BKK - STN
2 stops30h 30mMultiple Airlines
Deal found 16/7£512
Mon 10/1110:30LGW - BKK
2 stops21h 25mChina Eastern
Fri 21/1101:55BKK - LGW
1 stop19h 05mChina Eastern
Deal found 16/7£513
Sun 30/1122:00LHR - BKK
1 stop29h 10mChina Southern
Fri 30/108:20BKK - LHR
2 stops40h 35mChina Southern
Deal found 16/7£513
Sat 25/1022:05LHR - BKK
1 stop22h 10mShenzhen Airlines
Fri 14/1103:15BKK - LHR
1 stop22h 55mShenzhen Airlines
Deal found 16/7£513
Mon 10/1113:05LTN - BKK
2 stops27h 15mMultiple Airlines
Fri 21/1102:55BKK - LTN
2 stops26h 10mMultiple Airlines
Deal found 17/7£513
Sat 30/812:05LGW - BKK
1 stop37h 00mITA Airways
Mon 8/912:05BKK - LGW
1 stop29h 10mITA Airways
Deal found 16/7£514
Thu 28/820:55LHR - BKK
1 stop21h 00mEtihad Airways
Wed 17/902:55BKK - LHR
1 stop18h 20mEtihad Airways
Deal found 16/7£515
Wed 15/1012:35LGW - DMK
2 stops28h 10mMultiple Airlines
Wed 22/1006:40DMK - LGW
2 stops30h 15mMultiple Airlines
Deal found 17/7£516
Wed 17/915:45STN - BKK
1 stop17h 50mRoyal Jordanian
Wed 8/1000:10BKK - STN
1 stop20h 20mRoyal Jordanian
Deal found 17/7£516

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 18 July 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 31/8

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

Mon 8/9

21:05-17:50

1 stop26h 45m

£511

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 9/9

20:50-17:45

1 stop14h 55m

Bangkok Suvarnabhumi

Tue 16/9

19:10-19:10

1 stop30h 00m

£512

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 7/9

21:50-06:15

2 stops26h 25m

Bangkok Suvarnabhumi

Mon 15/9

08:55-06:35

2 stops27h 40m

£512

LondonBangkok

STN - BKK

STNBKK

London Stansted

Mon 8/9

15:30-18:50

2 stops21h 20m

Bangkok Suvarnabhumi

Wed 17/9

20:55-21:25

2 stops30h 30m

£512

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Mon 10/11

10:30-14:55

2 stops21h 25m

Bangkok Suvarnabhumi

Fri 21/11

01:55-14:00

1 stop19h 05m

£513

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 30/11

22:00-10:10

1 stop29h 10m

Bangkok Suvarnabhumi

Fri 30/1

08:20-17:55

2 stops40h 35m

£513

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 25/10

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

Fri 14/11

03:15-19:10

1 stop22h 55m

£513

LondonBangkok

LTN - BKK

LTNBKK

London Luton

Mon 10/11

13:05-23:20

2 stops27h 15m

Bangkok Suvarnabhumi

Fri 21/11

02:55-22:05

2 stops26h 10m

£513

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 30/8

12:05-07:05

1 stop37h 00m

Bangkok Suvarnabhumi

Mon 8/9

12:05-11:15

1 stop29h 10m

£514

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 28/8

20:55-23:55

1 stop21h 00m

Bangkok Suvarnabhumi

Wed 17/9

02:55-15:15

1 stop18h 20m

£515

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 54 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 11 July 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 £718). 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 18 July 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 evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 26% 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 evenings 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 18 July 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).

How much does it cost for a return flight from London to Bangkok?

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 18 July 2025.
Check out reviews from past customers who have flown with Hainan Airlines, KLM, andAustrian Airlines from London to Bangkok to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.6

Comfort

8.1

Overall

8.2

Crew

8.9

Food

8.6

Entertainment

7.6

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.

Boarding

8.6

Comfort

8.1

Overall

8.2

Crew

8.9

Food

8.6

Entertainment

7.6

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.

Boarding

8.6

Comfort

8.1

Overall

8.2

Crew

8.9

Food

8.6

Entertainment

7.6

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.

Boarding

8.6

Comfort

8.1

Overall

8.2

Crew

8.9

Food

8.6

Entertainment

7.6

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.

Boarding

8.6

Comfort

8.1

Overall

8.2

Crew

8.9

Food

8.6

Entertainment

7.6

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 £512. Other airlines that can offer you cheap pricing are Oman Air, from £512, and China Eastern, from £513. You may be able to fly from London to Bangkok for 20% 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 £298. However, be on the lookout for offers from Hainan Airlines and Turkmenistan Airlines, 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 EVA Air (85%), Thai Airways (82%) or Air Canada (77%) 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 £2,698, our data shows the cheapest flight currently is £395. When looking at the most popular route, (London Heathrow - Bangkok Suvarnabhumi), you can expect to pay £335 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 Shanghai Disneyland, Shanghai Grand Theatre, or French Concession. Shanghai Disneyland, Shanghai Grand Theatre, and French Concession can be visited by traveling about 8.7 mi, 20.6 mi, and 20.4 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 £18 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 £718). 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

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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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkmenistan AirlinesCheapest£291Average£557FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
SAUDIACheapest£337Average£559FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Hainan AirlinesCheapest£379Average£437FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Norse Atlantic UKCheapest£442Average£565FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Royal Brunei AirlinesCheapest£450Average£537FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Royal JordanianCheapest£460Average£644FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
SWISSCheapest£485Average£744FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest£486Average£618FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LufthansaCheapest£487Average£954FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£487Average£695FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Bangkok?

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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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