Cheap flights from London to Bangkok from £290

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Round-trip from

£428

One-way from

£290

Popular in

December

Cheapest in

May

Average price

£538
Norse Atlantic UK
  • Norse Atlantic UK
  • 3/11-11/12
  • 2 total stops
  • 39h 30m total
  • London to Bangkok
4/11
  • 4/11
  • 2 total stops
  • 20h 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 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 18 September 2025.

Mon 3/1110:30LGW - BKK
1 stop18h 50mChina Eastern
Sun 30/1119:55BKK - LGW
1 stop25h 05mChina Eastern
Deal found 17/9£428
Fri 31/1021:10LHR - BKK
1 stop31h 00mShenzhen Airlines
Fri 7/1119:30BKK - LHR
1 stop30h 40mShenzhen Airlines
Deal found 16/9£428
Tue 21/1015:10STN - BKK
2 stops20h 15mMultiple Airlines
Mon 3/1112:40BKK - STN
1 stop32h 10mMultiple Airlines
Deal found 17/9£428
Thu 18/911:35LGW - BKK
1 stop18h 55mChina Eastern
Mon 20/1002:10BKK - LGW
1 stop34h 20mChina Eastern
Deal found 17/9£429
Wed 17/921:05LHR - BKK
1 stop16h 30mAir India
Wed 1/1014:45BKK - LHR
1 stop26h 45mAir India
Deal found 16/9£429
Tue 21/1015:10STN - BKK
2 stops20h 15mMultiple Airlines
Thu 30/1007:35BKK - STN
1 stop20h 00mMultiple Airlines
Deal found 17/9£429
Tue 4/1110:30LGW - BKK
1 stop24h 20mChina Eastern
Wed 19/1110:45BKK - LGW
1 stop26h 45mChina Eastern
Deal found 16/9£429
Thu 18/921:05LHR - BKK
1 stop16h 30mAir India
Thu 25/908:40BKK - LHR
1 stop17h 20mAir India
Deal found 16/9£429
Tue 4/1114:00LTN - BKK
1 stop18h 05mMultiple Airlines
Tue 11/1117:25BKK - LTN
2 stops34h 30mMultiple Airlines
Deal found 16/9£429
Thu 2/1011:35LGW - BKK
3 stops26h 15mChina Eastern
Thu 23/1021:55BKK - LGW
1 stop38h 35mChina Eastern
Deal found 17/9£430
Tue 23/909:45LHR - BKK
1 stop25h 10mAir India
Tue 14/1014:45BKK - LHR
1 stop25h 30mAir India
Deal found 17/9£430
Thu 18/916:45STN - BKK
2 stops18h 40mMultiple Airlines
Wed 1/1017:10BKK - STN
2 stops36h 00mMultiple Airlines
Deal found 17/9£430

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 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

LHR - BKK

LHRBKK

London Heathrow

Sun 2/11

21:10-11:10

1 stop31h 00m

Bangkok Suvarnabhumi

Tue 18/11

19:30-19:10

1 stop30h 40m

£445

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 25/10

22:05-11:10

1 stop31h 05m

Bangkok Suvarnabhumi

Tue 18/11

19:30-19:10

1 stop30h 40m

£445

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 4/11

17:40-18:05

1 stop17h 25m

Bangkok Suvarnabhumi

Mon 24/11

01:30-15:55

1 stop21h 25m

£475

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 29/9

22:00-18:15

2 stops38h 15m

Bangkok Suvarnabhumi

Thu 9/10

19:20-19:30

2 stops30h 10m

£480

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Thu 6/11

06:35-03:45

3 stops38h 10m

Bangkok Don Mueang Intl

Thu 20/11

20:20-15:30

3 stops26h 10m

£492

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Thu 6/11

06:35-03:45

3 stops38h 10m

Bangkok Don Mueang Intl

Wed 19/11

20:20-23:00

3 stops33h 40m

£493

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Sat 15/11

06:40-04:30

3 stops38h 50m

Bangkok Don Mueang Intl

Sat 22/11

18:20-22:05

3 stops34h 45m

£503

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 29/9

14:45-23:55

1 stop27h 10m

Bangkok Suvarnabhumi

Wed 22/10

02:55-15:15

1 stop18h 20m

£506

LondonBangkok

STN - DMK

STNDMK

London Stansted

Fri 14/11

08:20-14:20

3 stops23h 00m

Bangkok Don Mueang Intl

Sun 30/11

21:35-22:15

2 stops31h 40m

£506

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Sun 12/10

05:20-01:15

3 stops37h 55m

Bangkok Don Mueang Intl

Sat 22/11

18:20-22:05

3 stops34h 45m

£509

Flights are sorted by cheapest return flights first.

Deals found on 17/9

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 12 September 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 18 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 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 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 18 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 18 September 2025.
Check out reviews from past customers who have flown with EVA Air, Thai Airways, andAir China 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.

Entertainment

8.0

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

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

Entertainment

8.0

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

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

Entertainment

8.0

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

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

Entertainment

8.0

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

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

Entertainment

8.0

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

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

Entertainment

8.0

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

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 Shenzhen Airlines, Air China, and Hainan Airlines fly from London to Bangkok in about 17h 25m. The time it takes to get you to your destination can typically vary by up to 20h 50m. The distance between London and Bangkok is about 5947 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 £286. Other airlines that can offer you cheap pricing are Shenzhen Airlines, from £330, and SAUDIA, from £331. 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 Norse Atlantic UK, with whom users have recently found tickets for as low as £319. However, be on the lookout for offers from Air India 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 EVA Air (78%), Thai Airways (76%) 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 £2,643, our data shows the cheapest flight currently is £436. When looking at the most popular route, (London Heathrow - Bangkok Suvarnabhumi), you can expect to pay £331 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 Grand Theatre, People's Square, or Jing'an Temple. Shanghai Grand Theatre, People's Square, and Jing'an Temple can be visited by traveling about 20.6 mi, 20.3 mi, and 22.0 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 £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

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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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkmenistan AirlinesCheapest£286Average£548FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Norse Atlantic UKCheapest£343Average£550FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Hainan AirlinesCheapest£372Average£426FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Hahn AirCheapest£436Average£627FlexibilityNo cancel feeOn-timeN/A
Search Hahn Air flights
A.P.G.Cheapest£459Average£576FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. flights
Royal Brunei AirlinesCheapest£461Average£535FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
LufthansaCheapest£472Average£857FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£478Average£732FlexibilityNo cancel feeOn-time79%
Search SWISS flights
KLMCheapest£478Average£791FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£481Average£626FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines 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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