Cheap flights from London to Thailand from ฿10,878

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
26 Mar — 2 Apr1
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 24 February 2026.

Sun 25/1017:00
LGW
-
BKK
1 stop24h 55m
China Eastern
Tue 24/1101:55
BKK
-
LGW
1 stop19h 05m
China Eastern
Deal found 23/2฿17,201
Mon 1/622:00
LHR
-
BKK
2 stops30h 00m
ไห่หนานแอร์ไลน์
Sun 5/719:20
BKK
-
LHR
2 stops30h 10m
ไห่หนานแอร์ไลน์
Deal found 21/2฿17,201
Fri 6/1117:00
LGW
-
BKK
2 stops22h 35m
China Eastern
Fri 20/1115:55
BKK
-
LGW
2 stops29h 05m
China Eastern
Deal found 22/2฿17,232
Sun 25/1009:25
LGW
-
DMK
2 stops25h 40m
Multiple Airlines
Tue 10/1116:50
DMK
-
LGW
2 stops20h 35m
Multiple Airlines
Deal found 20/2฿17,232
Fri 6/321:10
LHR
-
BKK
1 stop31h 00m
Shenzhen Airlines
Fri 13/319:30
BKK
-
LHR
1 stop30h 40m
Shenzhen Airlines
Deal found 20/2฿17,232
Sat 24/1011:35
LGW
-
BKK
3 stops26h 35m
China Eastern
Fri 6/1101:55
BKK
-
LGW
1 stop35h 35m
China Eastern
Deal found 23/2฿17,263
Fri 1/522:05
LHR
-
BKK
1 stop22h 10m
Shenzhen Airlines
Fri 8/519:30
BKK
-
LHR
1 stop30h 20m
Shenzhen Airlines
Deal found 20/2฿17,263
Thu 11/613:35
LGW
-
BKK
2 stops44h 00m
Multiple Airlines
Wed 4/1112:05
BKK
-
LGW
Nonstop13h 00m
Multiple Airlines
Deal found 21/2฿17,294
Sun 1/1109:25
LGW
-
DMK
2 stops22h 15m
Multiple Airlines
Sun 29/1109:55
DMK
-
LGW
2 stops27h 30m
Multiple Airlines
Deal found 21/2฿17,294
Wed 13/521:05
LHR
-
BKK
1 stop16h 15m
Air India
Mon 25/520:20
BKK
-
LHR
1 stop19h 55m
Air India
Deal found 22/2฿17,294
Wed 6/511:35
LGW
-
BKK
1 stop22h 15m
China Eastern
Wed 20/502:10
BKK
-
LGW
1 stop18h 50m
China Eastern
Deal found 23/2฿17,325
Sun 1/1109:25
LGW
-
DMK
2 stops23h 55m
Multiple Airlines
Sun 15/1113:25
DMK
-
LGW
2 stops24h 00m
Multiple Airlines
Deal found 21/2฿17,325

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 24 February 2026.

Round-trip from

฿17,201

One-way from

฿10,878

Popular in

July

Cheapest in

May

Average price

฿25,786

Good round-trip deal

฿26,321 or less

Good one-way deal

฿20,677 or less
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 1/6-5/7
  • 4 total stops
  • 60h 10m total
  • London to Thailand
Air China
  • Air China
  • 8/4
  • 1 total stop
  • 23h 10m total
  • London to Thailand
Highest demand for flights based on searches. 11% potential increase in price (฿108,923 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (฿23,509 potential savings vs. average return price).
Average for round-trip flights in February 2026
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 24 February 2026.
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

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Thu 4/6

22:40-17:45

1 stop37h 05m

Phuket City

Wed 1/7

14:00-20:15

1 stop36h 15m

฿18,317

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Sat 30/5

22:00-12:50

1 stop32h 50m

Phuket City

Mon 29/6

14:00-20:15

1 stop36h 15m

฿18,317

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Wed 3/6

22:40-17:45

1 stop37h 05m

Phuket City

Mon 29/6

14:00-20:15

1 stop36h 15m

฿18,317

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Mon 1/6

20:25-17:45

1 stop39h 20m

Phuket City

Wed 1/7

14:00-20:15

1 stop36h 15m

฿18,317

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Tue 2/6

22:40-17:45

1 stop37h 05m

Phuket City

Wed 1/7

14:00-20:15

1 stop36h 15m

฿18,317

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Sat 7/3

10:30-18:15

2 stops48h 45m

Phuket City

Thu 12/3

23:05-06:30

1 stop38h 25m

฿19,060

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Wed 6/5

18:25-22:45

1 stop22h 20m

Phuket City

Fri 15/5

23:05-15:00

1 stop21h 55m

฿19,370

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Fri 17/4

11:35-22:00

1 stop28h 25m

Phuket City

Fri 1/5

00:20-06:40

1 stop36h 20m

฿19,370

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 7/6

11:35-12:30

1 stop18h 55m

Bangkok Suvarnabhumi

Fri 26/6

11:50-06:40

1 stop24h 50m

฿19,370

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Mon 17/8

10:25-13:00

1 stop20h 35m

Bangkok Don Mueang Intl

Mon 7/9

13:35-07:20

1 stop23h 45m

฿19,649

Flights are sorted by cheapest return flights first.

Deals found on 19/2

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 ฿7,345). Flying from London to Thailand in August is currently the most expensive (average of ฿21,478). 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 24 February 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 37% on flights from London to Thailand by exploring options for tickets at midday.

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 24 February 2026.

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 15% of weekly flights between London and Thailand have experienced delays in the past year, with the average delay time being 87 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 in the evening 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 Friday 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, EVA Air have had the lowest number of delays on this route, with just 10% 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 24 February 2026.
See what other customers who have flown with EVA Air, Thai Airways, andเอทิฮัดแอร์เวย์ 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.

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Norse Atlantic UK
7.3
Good

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

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 ฿20,858, Air China can have you in Thailand from London in 27h 40m. London and Thailand are separated by a distance of 9571 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 China Eastern. According to our data, you can fly for as low as ฿9,970. Users have also found prices from ฿11,392 and ฿12,527 on เอทิฮัดแอร์เวย์ and โอมานแอร์, respectively.

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

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

    Consider Thai Airways (86%), EVA Air (84%) 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 ฿18,819. On average you can expect to pay ฿26,396. The most popular route, (London Heathrow - Bangkok Suvarnabhumi), can usually be booked for ฿15,961.

  • 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 ฿7,345). Flying from London to Thailand in August is currently the most expensive (average of ฿21,478). 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 24 February 2026.
AirlineCheapestAverageFlexibilityOn-time
ไห่หนานแอร์ไลน์Cheapest฿11,797Average฿17,778FlexibilityNo cancel feeOn-time61%
Search ไห่หนานแอร์ไลน์ flights
Shenzhen AirlinesCheapest฿14,879Average฿18,323FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest฿15,702Average฿19,129FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest฿16,648Average฿18,613FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest฿17,416Average฿20,719FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
บริติชแอร์เวย์Cheapest฿18,532Average฿29,676FlexibilityNo cancel feeOn-time70%
Search บริติชแอร์เวย์ flights
เอทิฮัดแอร์เวย์Cheapest฿20,779Average฿24,394FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
โอมานแอร์Cheapest฿21,239Average฿24,110FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
Qatar AirwaysCheapest฿21,866Average฿25,259FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest฿25,477Average฿36,960FlexibilityNo 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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