Cheap flights from London to Bangkok from £302

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
9 Sep — 16 Sep1
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 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 4 September 2025.

Round-trip from

£459

One-way from

£302

Popular in

December

Cheapest in

May

Average price

£548
Air China
  • Air China
  • 26/10-10/11
  • 2 total stops
  • 66h 15m total
  • London to Bangkok
14/9
  • 14/9
  • 2 total stops
  • 31h 55m total
  • London to Bangkok
Highest demand for flights based on searches. 8% potential increase in price (£43 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 September 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 4 September 2025.

Sun 26/1011:40LGW - BKK
1 stop30h 50mAir China
Mon 10/1102:30BKK - LGW
1 stop35h 25mAir China
Deal found 3/9£459
Wed 24/912:30LHR - BKK
1 stop19h 05mAir India
Sat 4/1020:50BKK - LHR
1 stop19h 25mAir India
Deal found 3/9£459
Mon 20/1007:25LGW - BKK
2 stops28h 00mMultiple Airlines
Mon 10/1112:30BKK - LGW
Nonstop13h 00mMultiple Airlines
Deal found 3/9£460
Sun 21/921:05LHR - BKK
1 stop16h 30mAir India
Mon 29/920:50BKK - LHR
1 stop19h 25mAir India
Deal found 3/9£460
Mon 29/907:30STN - BKK
2 stops18h 20mMultiple Airlines
Sun 26/1012:15BKK - STN
1 stop30h 30mMultiple Airlines
Deal found 3/9£460
Sun 26/1011:40LGW - BKK
1 stop30h 50mAir China
Sun 9/1102:30BKK - LGW
1 stop35h 25mAir China
Deal found 3/9£461
Thu 23/1013:50LHR - BKK
1 stop23h 45mAir India
Sat 8/1114:45BKK - LHR
1 stop27h 20mAir India
Deal found 3/9£461
Tue 4/1120:30LGW - BKK
3 stops31h 00mMultiple Airlines
Mon 17/1112:30BKK - LGW
Nonstop13h 00mMultiple Airlines
Deal found 2/9£462
Sun 26/1013:00LHR - BKK
1 stop23h 35mAir India
Thu 6/1114:45BKK - LHR
1 stop27h 20mAir India
Deal found 2/9£462
Mon 13/1007:30STN - BKK
2 stops18h 20mMultiple Airlines
Sun 26/1012:15BKK - STN
1 stop38h 50mMultiple Airlines
Deal found 2/9£462
Sun 30/1117:00LGW - BKK
2 stops24h 45mChina Eastern
Thu 29/101:55BKK - LGW
1 stop19h 05mChina Eastern
Deal found 2/9£462
Sun 7/912:30LHR - BKK
1 stop25h 05mAir India
Sun 21/920:50BKK - LHR
1 stop19h 25mAir India
Deal found 2/9£462

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 4 September 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

LTN - BKK

LTNBKK

London Luton

Tue 4/11

14:00-23:20

2 stops26h 20m

Bangkok Suvarnabhumi

Sun 30/11

08:55-23:10

2 stops45h 15m

£464

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 2/2

17:50-14:50

1 stop14h 00m

Bangkok Suvarnabhumi

Tue 24/2

23:30-13:00

1 stop20h 30m

£474

LondonBangkok

LTN - BKK

LTNBKK

London Luton

Tue 16/9

13:15-23:55

2 stops28h 40m

Bangkok Suvarnabhumi

Mon 22/9

02:55-22:45

2 stops49h 50m

£475

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Fri 3/10

11:15-22:45

2 stops29h 30m

Bangkok Don Mueang Intl

Sun 12/10

06:40-06:55

2 stops30h 15m

£479

LondonBangkok

LTN - BKK

LTNBKK

London Luton

Mon 22/9

13:15-10:20

2 stops39h 05m

Bangkok Suvarnabhumi

Tue 7/10

03:25-22:45

2 stops25h 20m

£479

LondonBangkok

LTN - BKK

LTNBKK

London Luton

Sun 28/9

13:15-23:55

2 stops28h 40m

Bangkok Suvarnabhumi

Thu 9/10

02:55-22:45

2 stops25h 50m

£480

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 20/2

15:55-10:25

Nonstop11h 30m

Bangkok Suvarnabhumi

Thu 19/3

12:25-18:20

Nonstop12h 55m

£485

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 12/1

19:25-15:30

1 stop13h 05m

Bangkok Suvarnabhumi

Sat 28/2

23:30-08:05

1 stop15h 35m

£487

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 11/1

19:25-15:30

1 stop13h 05m

Bangkok Suvarnabhumi

Tue 13/1

23:50-14:05

1 stop21h 15m

£488

LondonBangkok

STN - DMK

STNDMK

London Stansted

Sun 16/11

23:20-12:50

2 stops30h 30m

Bangkok Don Mueang Intl

Sun 30/11

21:35-22:15

2 stops31h 40m

£488

Flights are sorted by cheapest return flights first.

Deals found on 3/9

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 29 August 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 4 September 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 27% 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 Sunday 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 4 September 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 4 September 2025.
Check out reviews from past customers who have flown with EVA Air, Thai Airways, andChina Eastern 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.

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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.
  • How long is the flight from London to Bangkok?

    Airlines like Lufthansa, Norse Atlantic UK, and Austrian Airlines fly from London to Bangkok in about 11h 30m. The time it takes to get you to your destination can typically vary by up to 2h 30m. The distance between London and Bangkok is about 5942 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Bangkok round-trip?

    Cheapflights users have booked flights from London to Bangkok round-trip from £291. Other airlines that can offer you cheap pricing are SAUDIA, from £336, and Shenzhen Airlines, from £337. You may be able to fly from London to Bangkok for 54% 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 Air China, with whom users have recently found tickets for as low as £302. However, be on the lookout for offers from China Eastern and Austrian 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 (82%), Thai Airways (77%) or Air Canada (69%) 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 £2,701, our data shows the cheapest flight currently is £399. When looking at the most popular route, (London Heathrow - Bangkok Suvarnabhumi), you can expect to pay £345 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, Jing'an Temple, or Shanghai Disneyland. People's Square, Jing'an Temple, and Shanghai Disneyland can be visited by traveling about 20.3 mi, 22.0 mi, and 8.7 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 £16 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

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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 4 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkmenistan AirlinesCheapest£291Average£557FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
SAUDIACheapest£336Average£551FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Norse Atlantic UKCheapest£349Average£558FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Hainan AirlinesCheapest£379Average£435FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Royal Brunei AirlinesCheapest£469Average£544FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
SWISSCheapest£487Average£745FlexibilityNo cancel feeOn-time79%
Search SWISS flights
KLMCheapest£487Average£805FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£490Average£638FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air FranceCheapest£491Average£724FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£492Average£937FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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