Cheap flights from London to Thailand from ฿12,833

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
3 Jan — 10 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 4 December 2025.

Mon 29/1221:00LHR - BKK
2 stops38h 05mไห่หนานแอร์ไลน์
Tue 13/111:10BKK - LHR
1 stop36h 10mไห่หนานแอร์ไลน์
Deal found 3/12฿19,457
Fri 5/1213:35STN - BKK
1 stop34h 35mMultiple Airlines
Wed 17/1203:20BKK - STN
1 stop16h 45mMultiple Airlines
Deal found 2/12฿19,457
Sat 6/1221:35LHR - BKK
1 stop36h 05mAir China
Sat 27/1223:50BKK - LHR
1 stop25h 00mAir China
Deal found 4/12฿19,521
Sun 7/1207:25STN - BKK
2 stops40h 20mMultiple Airlines
Sun 14/1216:10BKK - STN
1 stop29h 40mMultiple Airlines
Deal found 4/12฿19,585
Fri 5/1211:05LGW - BKK
1 stop31h 25mAir China
Fri 19/1202:30BKK - LGW
1 stop35h 25mAir China
Deal found 3/12฿19,617
Mon 29/1221:00LHR - BKK
2 stops38h 05mไห่หนานแอร์ไลน์
Thu 26/201:35BKK - LHR
2 stops23h 00mไห่หนานแอร์ไลน์
Deal found 4/12฿19,681
Fri 5/1216:00LGW - BKK
Nonstop11h 25mNorse Atlantic UK
Wed 10/1212:30BKK - LGW
Nonstop13h 00mNorse Atlantic UK
Deal found 2/12฿19,745
Sun 7/1221:15LHR - BKK
1 stop29h 50mไห่หนานแอร์ไลน์
Sun 14/1219:10BKK - LHR
2 stops29h 45mไห่หนานแอร์ไลน์
Deal found 3/12฿19,745
Sat 6/1215:40LGW - BKK
1 stop14h 25mMultiple Airlines
Fri 19/1203:10BKK - LGW
2 stops41h 50mMultiple Airlines
Deal found 3/12฿19,777
Sat 6/1206:45LGW - BKK
2 stops23h 20mMultiple Airlines
Wed 10/1212:30BKK - LGW
Nonstop13h 00mMultiple Airlines
Deal found 2/12฿19,809
Fri 5/1222:05STN - BKK
2 stops32h 00mMultiple Airlines
Wed 10/1203:20BKK - STN
1 stop24h 15mMultiple Airlines
Deal found 3/12฿19,809
Wed 3/1219:45LHR - BKK
1 stop31h 20mMultiple Airlines
Mon 15/1215:05BKK - LHR
2 stops33h 25mMultiple Airlines
Deal found 3/12฿19,841

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 4 December 2025.

Round-trip from

฿19,457

One-way from

฿12,833

Popular in

December

Cheapest in

May

Average price

฿37,410

Good round-trip deal

฿20,872 or less

Good one-way deal

฿21,504 or less
2/2-8/2
  • 2/2-8/2
  • 4 total stops
  • 50h 40m total
  • London to Thailand
Air China
  • Air China
  • 17/1
  • 1 total stop
  • 31h 25m total
  • London to Thailand
Highest demand for flights based on searches. 8% potential increase in price (฿80,970 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (฿28,539 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from London (LON) to Thailand.
Price to beat on a one-way flight from London (LON) to Thailand.

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 4 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 - DMK

LGWDMK

London Gatwick

Tue 3/2

10:30-22:05

3 stops28h 35m

Bangkok Don Mueang Intl

Wed 18/2

09:20-14:00

2 stops35h 40m

฿19,841

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Thu 5/2

10:30-00:35

2 stops31h 05m

Bangkok Don Mueang Intl

Tue 10/2

17:25-14:00

2 stops27h 35m

฿20,097

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 6/2

21:10-11:10

1 stop31h 00m

Bangkok Suvarnabhumi

Fri 20/2

12:10-19:10

1 stop38h 00m

฿20,417

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Wed 21/1

11:35-16:15

2 stops21h 40m

Bangkok Don Mueang Intl

Sat 31/1

09:20-05:35

2 stops27h 15m

฿20,481

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 12/1

21:10-18:30

1 stop38h 20m

Bangkok Suvarnabhumi

Sun 8/3

03:15-19:10

1 stop22h 55m

฿20,545

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 11/1

21:10-11:10

1 stop31h 00m

Bangkok Suvarnabhumi

Sun 8/3

12:10-19:10

1 stop38h 00m

฿20,545

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Wed 7/1

10:30-21:45

2 stops28h 15m

Bangkok Don Mueang Intl

Tue 27/1

06:05-06:30

3 stops31h 25m

฿20,545

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 9/1

21:10-18:30

1 stop38h 20m

Bangkok Suvarnabhumi

Sun 8/3

03:15-19:10

1 stop22h 55m

฿20,545

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 14/1

21:10-02:15

1 stop22h 05m

Bangkok Suvarnabhumi

Sat 7/3

03:15-19:10

1 stop22h 55m

฿20,545

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Fri 9/1

10:30-18:25

2 stops24h 55m

Bangkok Don Mueang Intl

Sun 25/1

12:35-14:00

2 stops32h 25m

฿20,577

Flights are sorted by cheapest return flights first.

Deals found on 4/12

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, May is the cheapest month in which you can book a flight from London to Thailand (average of ฿10,368). Flying from London to Thailand in July is currently the most expensive (average of ฿22,369). 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 4 December 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 21% 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 4 December 2025.

The most flights from LON to TH0 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 often are flights from London to Thailand delayed?

About 18% of weekly flights between London and Thailand have experienced delays in the past year, with the average delay time being 91 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 4 December 2025.
See what other customers who have flown with EVA Air, Thai Airways, andAir China 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.

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Boarding

8.4

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.

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Boarding

8.4

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.

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Boarding

8.4

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.

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Boarding

8.4

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.

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Boarding

8.4

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.

Crew

8.6

Comfort

8.3

Overall

8.5

Entertainment

8.0

Food

8.1

Boarding

8.4

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 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 ฿21,985, Shenzhen Airlines can have you in Thailand from London in 21h 15m. London and Thailand are separated by a distance of 9896 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 ฿11,763. Users have also found prices from ฿12,594 and ฿12,731 on China Eastern and Air India, respectively.

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

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

    Consider EVA Air (90%), Thai Airways (87%) or แอร์แคนาดา (83%) 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 ฿21,189. On average you can expect to pay ฿35,559. The most popular route, (London Heathrow - Bangkok Suvarnabhumi), can usually be booked for ฿15,265.

  • 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, May is the cheapest month in which you can book a flight from London to Thailand (average of ฿10,368). Flying from London to Thailand in July is currently the most expensive (average of ฿22,369). 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 Thailand

See prices for flight routes from nearby airports that may be better suited for you.

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 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Shenzhen AirlinesCheapest฿15,363Average฿18,337FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest฿16,213Average฿20,179FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest฿16,819Average฿22,417FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
ไห่หนานแอร์ไลน์Cheapest฿17,317Average฿18,357FlexibilityNo cancel feeOn-time61%
Search ไห่หนานแอร์ไลน์ flights
Air ChinaCheapest฿18,190Average฿19,485FlexibilityNo cancel feeOn-time67%
Search Air China flights
โอมานแอร์Cheapest฿21,959Average฿24,325FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
เอทิฮัดแอร์เวย์Cheapest฿22,100Average฿25,235FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
Qatar AirwaysCheapest฿24,569Average฿26,140FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
บริติชแอร์เวย์Cheapest฿25,499Average฿32,720FlexibilityNo cancel feeOn-time70%
Search บริติชแอร์เวย์ flights
EmiratesCheapest฿26,306Average฿36,413FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

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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.

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