Cheap flights from London to Bangkok from £299

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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
9 Jan — 16 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Bangkok are usually found in May or September, booked 63 days in advance, depart on a Sunday or Wednesday and return on a Saturday

Cheap flight deals from London to Bangkok

Enter your travel dates to find the best prices.

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 10 December 2025.

Fri 26/1211:35LGW - BKK
1 stop26h 55mAir China
Sat 17/102:30BKK - LGW
1 stop35h 25mAir China
Deal found 9/12£462
Sun 7/1221:15LHR - BKK
1 stop37h 50mHainan Airlines
Sun 14/1211:10BKK - LHR
2 stops37h 45mHainan Airlines
Deal found 7/12£469
Sun 7/1221:15LHR - BKK
1 stop29h 50mHainan Airlines
Sun 28/1211:10BKK - LHR
2 stops37h 45mHainan Airlines
Deal found 7/12£473
Tue 30/1222:00LHR - BKK
1 stop17h 30mChina Southern
Wed 25/311:25BKK - LHR
1 stop38h 10mChina Southern
Deal found 8/12£474
Wed 24/1222:00LHR - BKK
1 stop17h 30mMultiple Airlines
Sat 27/1209:25BKK - LHR
1 stop15h 45mMultiple Airlines
Deal found 8/12£476
Wed 31/1219:45LHR - BKK
1 stop31h 20mHainan Airlines
Sun 1/311:10BKK - LHR
2 stops37h 45mHainan Airlines
Deal found 9/12£477
Tue 9/1218:50STN - BKK
1 stop23h 30mMultiple Airlines
Wed 17/1203:20BKK - STN
1 stop16h 45mMultiple Airlines
Deal found 8/12£478
Tue 9/1218:50STN - BKK
1 stop23h 30mMultiple Airlines
Fri 12/1212:20BKK - STN
1 stop34h 20mMultiple Airlines
Deal found 8/12£483
Tue 30/1210:30LGW - BKK
1 stop24h 20mChina Eastern
Fri 23/119:55BKK - LGW
1 stop25h 05mChina Eastern
Deal found 7/12£484
Sat 13/1206:00STN - BKK
2 stops24h 05mMultiple Airlines
Wed 17/1203:20BKK - STN
1 stop16h 45mMultiple Airlines
Deal found 9/12£489
Wed 31/1222:00LHR - BKK
1 stop20h 05mChina Southern
Wed 25/308:20BKK - LHR
1 stop17h 15mChina Southern
Deal found 8/12£496
Tue 30/1222:00LHR - BKK
1 stop17h 30mChina Southern
Sat 31/112:25BKK - LHR
2 stops32h 35mChina Southern
Deal found 8/12£499

Find 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 10 December 2025.

Round-trip from

£452

One-way from

£299

Popular in

December

Cheapest in

May

Average price

£856
Air China
  • Air China
  • 22/2-6/3
  • 2 total stops
  • 66h 50m total
  • London to Bangkok
SAUDIA
  • SAUDIA
  • 26/2
  • 1 total stop
  • 16h 25m total
  • London to Bangkok
Highest demand for flights based on searches. 7% potential increase in price (£40 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in December 2025

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 10 December 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

LGW - DMK

LGWDMK

London Gatwick

Thu 15/1

10:30-22:05

2 stops28h 35m

Bangkok Don Mueang Intl

Sat 31/1

09:20-14:00

2 stops35h 40m

£462

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Fri 23/1

10:30-19:50

2 stops26h 20m

Bangkok Don Mueang Intl

Thu 5/2

13:50-14:00

2 stops31h 10m

£464

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Mon 12/1

10:30-22:05

2 stops28h 35m

Bangkok Don Mueang Intl

Sat 31/1

09:20-14:00

2 stops35h 40m

£468

LondonBangkok

STN - DMK

STNDMK

London Stansted

Fri 23/1

07:45-00:35

3 stops33h 50m

Bangkok Don Mueang Intl

Fri 30/1

16:00-23:10

3 stops38h 10m

£471

LondonBangkok

STN - DMK

STNDMK

London Stansted

Fri 23/1

07:45-00:35

3 stops33h 50m

Bangkok Don Mueang Intl

Thu 5/2

19:40-22:15

2 stops33h 35m

£472

LondonBangkok

STN - DMK

STNDMK

London Stansted

Sat 7/2

08:40-00:35

3 stops32h 55m

Bangkok Don Mueang Intl

Sun 15/2

16:50-21:40

3 stops35h 50m

£475

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 27/2

21:10-11:10

1 stop31h 00m

Bangkok Suvarnabhumi

Tue 31/3

03:15-20:00

1 stop22h 45m

£483

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 29/4

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

Fri 15/5

03:15-19:50

1 stop22h 35m

£523

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 21/1

13:55-23:25

1 stop26h 30m

Bangkok Suvarnabhumi

Mon 2/2

14:40-06:40

1 stop23h 00m

£534

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 11/2

21:10-02:15

1 stop22h 05m

Bangkok Suvarnabhumi

Sun 15/2

03:15-19:10

1 stop22h 55m

£541

Flights are sorted by cheapest return flights first.

Deals found on 9/12

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 5 December 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, November is the cheapest month in which you can book a flight from London to Bangkok (average of £340). Flying from London to Bangkok in July is currently the most expensive (average of £556). 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 10 December 2025.

One of the essential ways to save on airfare from London to Bangkok is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 14% 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 at midday 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 10 December 2025.

The most flights from LON to TH1 are scheduled on a Tuesday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

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

How often are flights from London to Bangkok delayed?

About 18% of weekly flights between London and Bangkok have experienced delays in the past year, with the average delay time being 89 minutes.

What is the most punctual flight time for London to Bangkok flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Bangkok flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 13% of flights being delayed.

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 10 December 2025.
Check out reviews from past customers who have flown with EVA Air, Thai Airways, andSAUDIA 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.

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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, Etihad Airways, and Norse Atlantic UK fly from London to Bangkok in about 11h 25m. The time it takes to get you to your destination can typically vary by up to 19h 35m. 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 £276. Other airlines that can offer you cheap pricing are Turkmenistan Airlines, from £291, and Norse Atlantic UK, from £296. You may be able to fly from London to Bangkok for 57% 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 Hahn Air, with whom users have recently found tickets for as low as £243. However, be on the lookout for offers from Shenzhen Airlines 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 (90%), Thai Airways (87%) or Air Canada (83%) 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 £2,537, our data shows the cheapest flight currently is £468. When looking at the most popular route, (London Heathrow - Bangkok Suvarnabhumi), you can expect to pay £370 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 Dianchun Hall, or Jing'an Temple. People's Square, Shanghai Dianchun Hall, and Jing'an Temple can be visited by traveling about 20.3 mi, 19.4 mi, and 22.0 mi respectively from Shanghai Pu Dong.

  • What are some popular points of interest to see during a stopover in Abu Dhabi?

    If you're on a stopover in Abu Dhabi and looking for things to do, consider visiting Etihad Towers, Emirates Palace, or Emirates Park Zoo. Travellers on a stopover in Abu Dhabi can visit Etihad Towers, Emirates Palace, and Emirates Park Zoo, by travelling 20.8 mi, 21.1 mi, and 7.9 mi, respectively after landing at Abu Dhabi Zayed Intl. Those on a stopover in Abu Dhabi in need of a car hire can book one at Abu Dhabi Zayed Intl for about £21.

  • 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, November is the cheapest month in which you can book a flight from London to Bangkok (average of £340). Flying from London to Bangkok in July is currently the most expensive (average of £556). 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 10 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Hahn AirCheapest£276Average£641FlexibilityNo cancel feeOn-timeN/A
Search Hahn Air flights
Turkmenistan AirlinesCheapest£293Average£558FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Hainan AirlinesCheapest£381Average£435FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Royal Brunei AirlinesCheapest£472Average£540FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
LufthansaCheapest£475Average£741FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
A.P.G.Cheapest£480Average£609FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. flights
SWISSCheapest£481Average£742FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest£489Average£617FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
KLMCheapest£495Average£831FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£498Average£739FlexibilityNo cancel feeOn-time77%
Search Air France 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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