Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Thailand from ฿12,554

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
9 May — 16 May1
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 9 April 2026.

Sun 1/1121:10
LHR
-
BKK
1 stop38h 20m
Shenzhen Airlines
Sun 29/1103:15
BKK
-
LHR
1 stop22h 55m
Shenzhen Airlines
Deal found 7/4฿18,383
Tue 12/511:55
LGW
-
BKK
2 stops29h 55m
Multiple Airlines
Tue 19/509:15
BKK
-
LGW
2 stops31h 50m
Multiple Airlines
Deal found 6/4฿18,415
Tue 12/522:00
LHR
-
BKK
1 stop37h 05m
Air China
Tue 19/501:30
BKK
-
LHR
1 stop24h 55m
Air China
Deal found 5/4฿18,415
Tue 19/513:10
LTN
-
BKK
2 stops23h 00m
Multiple Airlines
Tue 26/521:00
BKK
-
LTN
2 stops22h 25m
Multiple Airlines
Deal found 4/4฿18,415
Sun 17/508:55
LGW
-
BKK
2 stops27h 15m
Multiple Airlines
Mon 1/609:45
BKK
-
LGW
2 stops28h 10m
Multiple Airlines
Deal found 4/4฿18,447
Mon 18/520:25
LHR
-
BKK
1 stop21h 45m
Air China
Mon 25/519:35
BKK
-
LHR
1 stop28h 05m
Air China
Deal found 5/4฿18,447
Tue 12/519:50
LTN
-
BKK
2 stops28h 55m
Multiple Airlines
Wed 20/509:15
BKK
-
LTN
2 stops33h 20m
Multiple Airlines
Deal found 5/4฿18,447
Wed 27/518:00
STN
-
BKK
2 stops18h 10m
Multiple Airlines
Tue 16/609:45
BKK
-
STN
2 stops28h 05m
Multiple Airlines
Deal found 5/4฿18,447
Thu 23/418:00
LGW
-
BKK
1 stop36h 30m
China Eastern
Tue 5/513:20
BKK
-
LGW
2 stops31h 40m
China Eastern
Deal found 5/4฿18,479
Thu 7/522:00
LHR
-
BKK
1 stop37h 05m
Air China
Wed 13/519:35
BKK
-
LHR
1 stop28h 05m
Air China
Deal found 6/4฿18,479
Wed 15/411:35
LGW
-
BKK
1 stop27h 20m
China Eastern
Sun 14/611:50
BKK
-
LGW
1 stop24h 50m
China Eastern
Deal found 9/4฿18,511
Tue 5/522:00
LHR
-
BKK
1 stop37h 05m
Air China
Sun 17/519:35
BKK
-
LHR
1 stop30h 50m
Air China
Deal found 5/4฿18,511

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 9 April 2026.

Round-trip from

฿18,415

One-way from

฿12,554

Popular in

July

Cheapest in

May

Average price

฿26,581

Good round-trip deal

฿28,388 or less

Good one-way deal

฿22,932 or less
12/5-19/5
  • 12/5-19/5
  • 4 total stops
  • 61h 45m total
  • London to Thailand
Search Deals
China Eastern
  • China Eastern
  • 8/6
  • 2 total stops
  • 38h 55m total
  • London to Thailand
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (฿96,992 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿24,993 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 9 April 2026.
Use the filters below to find and compare flights from London to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 6/6

22:05-02:15

1 stop22h 10m

Bangkok Suvarnabhumi

Tue 16/6

19:15-20:00

1 stop30h 45m

฿22,162

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Fri 25/9

10:25-13:00

1 stop20h 35m

Bangkok Don Mueang Intl

Mon 5/10

16:50-07:20

1 stop20h 30m

฿22,450

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Mon 14/9

10:25-13:00

1 stop20h 35m

Bangkok Don Mueang Intl

Mon 28/9

13:35-07:20

1 stop23h 45m

฿22,450

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Tue 8/9

10:25-13:00

1 stop20h 35m

Bangkok Don Mueang Intl

Tue 27/10

16:50-06:25

1 stop20h 35m

฿22,450

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Fri 18/9

10:25-13:00

1 stop20h 35m

Bangkok Don Mueang Intl

Mon 28/9

16:50-07:20

1 stop20h 30m

฿22,450

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Tue 8/9

10:25-16:20

1 stop23h 55m

Bangkok Don Mueang Intl

Mon 28/9

13:35-07:20

1 stop23h 45m

฿22,514

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Wed 29/4

09:15-07:50

1 stop16h 35m

Phuket City

Thu 14/5

03:20-12:45

1 stop15h 25m

฿23,507

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 1/5

11:35-12:20

2 stops42h 45m

Bangkok Suvarnabhumi

Sun 24/5

20:50-15:00

2 stops48h 10m

฿23,603

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 2/6

09:15-13:05

1 stop21h 50m

Bangkok Suvarnabhumi

Mon 15/6

19:45-06:40

1 stop16h 55m

฿23,859

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Thu 4/6

21:45-23:40

1 stop19h 55m

Phuket City

Mon 29/6

02:25-15:05

1 stop18h 40m

฿24,884

Flights are sorted by cheapest return flights first.

Deals found on 8/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 ฿8,711). Flying from London to Thailand in August is currently the most expensive (average of ฿21,201). 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 9 April 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 38% 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 9 April 2026.

The most flights from LON to TH0 are scheduled on a Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 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 92 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 Sunday 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 8% 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 9 April 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.
EVA Air
8.5
Very Good
1,400 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very Good
1,400 reviews
EVA Air
8.5
Very Good
1,400 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Thai Airways
7.8
Good
396 reviews
EVA Air
8.5
Very Good
1,400 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
เอทิฮัดแอร์เวย์
7.3
Good
1,428 reviews
EVA Air
8.5
Very Good
1,400 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Norse Atlantic UK
7.3
Good
EVA Air
8.5
Very Good
1,400 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
บริติชแอร์เวย์
6.7
Okay
7,865 reviews
EVA Air
8.5
Very Good
1,400 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

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 ฿23,507, Shenzhen Airlines can have you in Thailand from London in 16h 35m. 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 Norse Atlantic UK. According to our data, you can fly for as low as ฿11,502. Users have also found prices from ฿12,945 and ฿14,162 on โอมานแอร์ and สวิส อินเตอร์เนชั่นแนล แอร์ไลน์, 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 Thai Airways (75%), แอร์แคนาดา (70%) or EVA Air (70%) 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 ฿21,614. On average you can expect to pay ฿29,304. The most popular route, (London Heathrow - Bangkok Suvarnabhumi), can usually be booked for ฿19,535.

  • 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 ฿8,711). Flying from London to Thailand in August is currently the most expensive (average of ฿21,201). 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 9 April 2026.
AirlineCheapestAverageFlexibilityOn-time
ไห่หนานแอร์ไลน์Cheapest฿12,190Average฿18,371FlexibilityNo cancel feeOn-time61%
Search ไห่หนานแอร์ไลน์ flights
Shenzhen AirlinesCheapest฿15,375Average฿18,933FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest฿16,225Average฿19,767FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest฿17,202Average฿20,363FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest฿17,996Average฿21,395FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
บริติชแอร์เวย์Cheapest฿19,149Average฿30,665FlexibilityNo cancel feeOn-time70%
Search บริติชแอร์เวย์ flights
เอทิฮัดแอร์เวย์Cheapest฿21,419Average฿24,898FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
โอมานแอร์Cheapest฿21,801Average฿24,126FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
Qatar AirwaysCheapest฿22,594Average฿26,161FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Thai AirwaysCheapest฿28,856Average฿36,925FlexibilityNo cancel feeOn-time77%
Search Thai Airways 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.