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Cheap flights from London to Thailand from ฿12,056

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
20 Jan — 27 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Thailand

Enter your travel dates to find the best prices.

Cheapest flights from London to Thailand
Explore the most affordable flight options available from London to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 December 2025.

Tue 30/1222:10LHR - BKK
1 stop31h 20mAir China
Fri 23/117:55BKK - LHR
1 stop32h 45mAir China
Deal found 20/12฿18,586
Thu 25/1221:35LHR - BKK
1 stop31h 55mAir China
Sun 28/1201:30BKK - LHR
1 stop21h 25mAir China
Deal found 19/12฿18,617
Mon 29/1221:00LHR - BKK
2 stops38h 05mไห่หนานแอร์ไลน์
Tue 20/119:10BKK - LHR
1 stop28h 10mไห่หนานแอร์ไลน์
Deal found 20/12฿18,774
Thu 25/1221:35LHR - BKK
1 stop31h 55mAir China
Wed 31/1217:55BKK - LHR
1 stop32h 45mAir China
Deal found 19/12฿18,806
Wed 31/1217:40LHR - BKK
1 stop20h 50mAir China
Sat 17/123:50BKK - LHR
1 stop25h 00mAir China
Deal found 19/12฿19,088
Wed 31/1211:05LGW - BKK
1 stop31h 25mAir China
Mon 19/102:30BKK - LGW
1 stop35h 25mAir China
Deal found 19/12฿19,120
Thu 25/1221:35LHR - BKK
1 stop31h 55mAir China
Tue 10/223:50BKK - LHR
1 stop23h 05mAir China
Deal found 19/12฿19,120
Wed 31/1219:45LHR - BKK
1 stop31h 20mไห่หนานแอร์ไลน์
Thu 15/119:10BKK - LHR
2 stops29h 25mไห่หนานแอร์ไลน์
Deal found 19/12฿19,214
Mon 29/1221:00LHR - BKK
2 stops38h 05mไห่หนานแอร์ไลน์
Thu 29/119:10BKK - LHR
2 stops29h 25mไห่หนานแอร์ไลน์
Deal found 18/12฿19,339
Wed 31/1217:40LHR - BKK
1 stop23h 30mAir China
Thu 22/123:50BKK - LHR
1 stop23h 05mAir China
Deal found 20/12฿19,465
Wed 31/1219:45LHR - BKK
1 stop31h 20mไห่หนานแอร์ไลน์
Tue 13/111:10BKK - LHR
1 stop36h 10mไห่หนานแอร์ไลน์
Deal found 19/12฿19,842
Thu 25/1221:35LHR - BKK
1 stop31h 55mMultiple Airlines
Tue 7/411:05BKK - LHR
1 stop38h 25mMultiple Airlines
Deal found 19/12฿19,873

Find flight deals from London to Thailand

Keep the following information in mind while searching for London to Thailand flight deals. Data was last updated 21 December 2025.

Round-trip from

฿18,523

One-way from

฿12,056

Popular in

December

Cheapest in

May

Average price

฿35,790

Good round-trip deal

฿26,438 or less

Good one-way deal

฿20,971 or less
China Southern
  • China Southern
  • 26/2-30/3
  • 2 total stops
  • 47h 30m total
  • London to Thailand
Search Deals
17/1
  • 17/1
  • 3 total stops
  • 31h 40m total
  • London to Thailand
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿71,503 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿25,225 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Thailand.
Search Deals
Price to beat on a one-way flight from London (LON) to Thailand.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Thailand 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 17,341 searches. Data last updated 21 December 2025.
Use the filters below to find and compare flights from London to Thailand that are best for you.

Fly from

London

Fly to

Thailand

Route

Depart

Return

Price

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 14/4

22:15-16:05

Nonstop11h 50m

Bangkok Suvarnabhumi

Wed 1/7

22:35-05:55

Nonstop13h 20m

฿19,308

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 11/3

16:00-10:25

Nonstop11h 25m

Bangkok Suvarnabhumi

Thu 26/3

12:25-18:20

Nonstop12h 55m

฿21,223

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 28/5

09:00-13:25

1 stop22h 25m

Bangkok Suvarnabhumi

Sun 7/6

22:35-05:55

Nonstop13h 20m

฿21,631

LondonBangkok

LTN - BKK

LTNBKK

London Luton

Sun 11/1

08:05-23:25

2 stops32h 20m

Bangkok Suvarnabhumi

Fri 23/1

11:50-16:20

2 stops35h 30m

฿21,663

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Fri 23/1

22:00-16:25

1 stop35h 25m

Phuket City

Sat 7/2

23:20-18:35

1 stop26h 15m

฿21,725

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 21/2

21:10-02:15

1 stop22h 05m

Bangkok Suvarnabhumi

Sat 28/2

12:10-19:10

1 stop38h 00m

฿22,730

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 16/3

21:10-02:15

1 stop22h 05m

Bangkok Suvarnabhumi

Thu 30/4

19:30-20:00

1 stop30h 30m

฿22,730

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 5/4

14:55-12:55

1 stop16h 00m

Bangkok Suvarnabhumi

Wed 15/4

22:35-05:55

Nonstop13h 20m

฿22,793

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Mon 26/1

21:15-16:05

Nonstop11h 50m

Bangkok Suvarnabhumi

Tue 10/2

18:55-05:55

1 stop18h 00m

฿23,201

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 11/3

16:00-10:25

Nonstop11h 25m

Bangkok Suvarnabhumi

Wed 18/3

12:30-18:30

Nonstop13h 00m

฿23,452

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 60 results
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Best time to book a flight from London to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand 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 Thailand

What is the cheapest month to book a flight from London to Thailand?

Currently, September is the cheapest month in which you can book a flight from London to Thailand (average of ฿9,105). Flying from London to Thailand in July is currently the most expensive (average of ฿23,044). 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 TH?

Find hourly flight availability from London to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 December 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 18% on flights from London to Thailand by exploring options for tickets in the afternoon.

What is the cheapest day to fly from London to Thailand?

Use this chart to determine the cheapest time to fly return from London to Thailand. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Thailand flight should consider departing on Friday at midday when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Thailand

Explore weekly flight availability from London to Thailand. 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 21 December 2025.

The most flights from LON to TH0 are scheduled on a Tuesday (10 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 on average).

How often are flights from London to Thailand delayed?

About 17% of weekly flights between London and Thailand have experienced delays in the past year, with the average delay time being 93 minutes.

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

Over the past year, ทียูไอฟลาย have had the lowest number of delays on this route, with just 2% of flights being delayed.

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated 21 December 2025.
See what other customers who have flown with EVA Air, Thai Airways, andเตอร์กิชแอร์ไลน์ from London to Thailand have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very Good
1,298 reviews
Check prices

Boarding

8.4

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
EVA Air
8.5
Very Good
1,298 reviews
EVA Air
8.5
Very Good
1,298 reviews
Check prices

Boarding

8.4

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
Thai Airways
7.8
Good
368 reviews
EVA Air
8.5
Very Good
1,298 reviews
Check prices

Boarding

8.4

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
เตอร์กิชแอร์ไลน์
7.3
Good
4,108 reviews
EVA Air
8.5
Very Good
1,298 reviews
Check prices

Boarding

8.4

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
Air China
7.2
Good
131 reviews
EVA Air
8.5
Very Good
1,298 reviews
Check prices

Boarding

8.4

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
บริติชแอร์เวย์
6.7
Okay
7,600 reviews
EVA Air
8.5
Very Good
1,298 reviews
Check prices

Boarding

8.4

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Related info for your journey

Find useful and relevant information for your journey from London to Thailand. 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 Thailand?

    For as low as ฿21,223, บริติชแอร์เวย์ can have you in Thailand from London in 11h 25m. London and Thailand are separated by a distance of 9563 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London to Thailand one-way?

    For one-way options, check prices for เอทิฮัดแอร์เวย์. According to our data, you can fly for as low as ฿11,540. Users have also found prices from ฿12,356 and ฿12,490 on China Eastern and Air India, respectively.

  • What are the most popular routes from London to Thailand?

    While some choose either London Gatwick - Bangkok Suvarnabhumi or London Stansted - Bangkok Suvarnabhumi, London Heathrow - Bangkok Suvarnabhumi is the most popular route from London to Thailand.

  • What are the most reliable airlines from London to Thailand?

    Consider EVA Air (88%), Thai Airways (84%) or แอร์แคนาดา (80%) when booking your flight. These represent the most reliable airlines when flying from London to Thailand.

  • What are the cheapest flights from London to Thailand?

    The cheapest flight price from London to Thailand is ฿20,072. On average you can expect to pay ฿30,608. The most popular route, (London Heathrow - Bangkok Suvarnabhumi), can usually be booked for ฿15,195.

  • Can I find deals for flights from London to Thailand that include hotel bookings?

    Yes. In addition to deals on London to Thailand flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Thailand?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Thailand.

  • Can I find deals for business class flights from London to Thailand?

    Yes. Cheapflights offers flight deals from London to Thailand 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 Thailand?

    Currently, September is the cheapest month in which you can book a flight from London to Thailand (average of ฿9,105). Flying from London to Thailand in July is currently the most expensive (average of ฿23,044). 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 Thailand

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Suvarnabhumi flights
Manchester to Suvarnabhumi flights
Birmingham to Suvarnabhumi flights

Top 10 airlines flying from London to Thailand

Discover the top 10 airlines that operate flights from London to Thailand. 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 17,341 searches. Data last updated 21 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Shenzhen AirlinesCheapest฿15,072Average฿17,990FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air IndiaCheapest฿16,500Average฿22,058FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
ไห่หนานแอร์ไลน์Cheapest฿16,989Average฿18,009FlexibilityNo cancel feeOn-time61%
Search ไห่หนานแอร์ไลน์ flights
China EasternCheapest฿17,343Average฿19,641FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest฿17,845Average฿19,384FlexibilityNo cancel feeOn-time67%
Search Air China flights
โอมานแอร์Cheapest฿21,543Average฿24,423FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
เอทิฮัดแอร์เวย์Cheapest฿21,681Average฿24,987FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
Qatar AirwaysCheapest฿24,104Average฿25,681FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
บริติชแอร์เวย์Cheapest฿25,016Average฿32,100FlexibilityNo cancel feeOn-time70%
Search บริติชแอร์เวย์ flights
EmiratesCheapest฿25,808Average฿35,723FlexibilityNo cancel feeOn-time75%
Search Emirates 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 Thailand?

Deals for London to Thailand flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Thailand?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Thailand for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Thailand with no change fees?

Need flexible booking options for your flight to Thailand from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Thailand become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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