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Cheap flights from Thailand to London from £274

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LON
6 Jun — 13 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to London

Enter your travel dates to find the best prices.

Cheapest flights from Thailand to London
Explore the most affordable flight options available from Thailand to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 May 2026.

Tue 26/520:15
BKK
-
LHR
1 stop16h 40m
Multiple Airlines
Tue 9/622:10
LHR
-
BKK
1 stop19h 55m
Multiple Airlines
Deal found 6/5£541
Sun 7/611:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Tue 23/614:45
LHR
-
BKK
1 stop15h 05m
Multiple Airlines
Deal found 2/5£541
Tue 9/620:15
BKK
-
LHR
1 stop16h 40m
Multiple Airlines
Wed 17/610:00
LHR
-
BKK
1 stop21h 45m
Multiple Airlines
Deal found 3/5£544
Mon 11/520:15
BKK
-
LHR
1 stop25h 05m
Multiple Airlines
Mon 18/517:05
LHR
-
BKK
1 stop16h 30m
Multiple Airlines
Deal found 6/5£545
Thu 10/920:15
BKK
-
LGW
1 stop16h 40m
Multiple Airlines
Sat 19/920:20
LGW
-
BKK
1 stop21h 50m
Multiple Airlines
Deal found 2/5£545
Wed 27/520:15
BKK
-
LHR
1 stop16h 40m
Multiple Airlines
Tue 9/622:10
LHR
-
BKK
1 stop19h 55m
Multiple Airlines
Deal found 6/5£546
Wed 10/609:50
BKK
-
LGW
1 stop35h 10m
Multiple Airlines
Wed 9/912:35
LGW
-
BKK
1 stop29h 35m
Multiple Airlines
Deal found 6/5£548
Sun 14/619:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Fri 26/614:45
LHR
-
BKK
1 stop27h 05m
Multiple Airlines
Deal found 6/5£549
Tue 9/620:15
BKK
-
LGW
1 stop16h 40m
Gulf Air
Wed 10/610:40
LGW
-
BKK
1 stop17h 05m
Gulf Air
Deal found 6/5£549
Wed 13/520:15
BKK
-
LHR
1 stop16h 40m
Multiple Airlines
Mon 18/522:00
LHR
-
BKK
2 stops30h 00m
Multiple Airlines
Deal found 3/5£550
Wed 16/918:25
BKK
-
LGW
1 stop20h 20m
Multiple Airlines
Sun 20/920:50
LGW
-
BKK
1 stop21h 20m
Multiple Airlines
Deal found 6/5£551
Tue 12/520:15
BKK
-
LHR
1 stop25h 05m
Multiple Airlines
Tue 19/514:45
LHR
-
BKK
1 stop22h 30m
Multiple Airlines
Deal found 4/5£552

Find flight deals from Thailand to London

Keep the following information in mind while searching for Thailand to London flight deals. Data was last updated 7 May 2026.

Round-trip from

£541

One-way from

£274

Popular in

January

Cheapest in

November

Average price

£683

Good round-trip deal

£138 or less

Good one-way deal

£459 or less
SAUDIA
  • SAUDIA
  • 26/5-9/6
  • 2 total stops
  • 36h 35m total
  • Thailand to London
Search Deals
Kuwait Airways
  • Kuwait Airways
  • 22/10
  • 1 total stop
  • 18h 25m total
  • Thailand to London
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Thailand to London (LON).
Search Deals
Price to beat on a one-way flight from Thailand to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Thailand to London 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 7 May 2026.
Use the filters below to find and compare flights from Thailand to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Mon 15/6

22:55-18:10

1 stop25h 15m

London Heathrow

Mon 22/6

14:45-23:40

1 stop26h 55m

£611

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 11/6

20:15-06:55

1 stop16h 40m

London Heathrow

Mon 15/6

22:05-09:45

1 stop29h 40m

£625

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 2/7

02:20-14:45

1 stop18h 25m

London Heathrow

Fri 20/11

10:45-10:05

1 stop16h 20m

£627

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 16/5

03:15-18:45

1 stop21h 30m

London Heathrow

Mon 16/11

20:55-23:20

1 stop19h 25m

£648

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Wed 29/7

15:40-07:30

1 stop21h 50m

London Gatwick

Tue 4/8

10:25-15:10

1 stop22h 45m

£652

BangkokLondon

DMK - LGW

DMKLGW

Bangkok Don Mueang Intl

Wed 9/9

13:35-07:30

1 stop23h 55m

London Gatwick

Thu 24/9

10:25-13:00

1 stop20h 35m

£655

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 2/7

15:05-07:00

1 stop21h 55m

London Heathrow

Thu 19/11

08:50-11:45

1 stop19h 55m

£660

BangkokLondon

DMK - LGW

DMKLGW

Bangkok Don Mueang Intl

Sun 20/9

15:15-07:25

1 stop22h 10m

London Gatwick

Fri 25/9

10:25-14:45

1 stop22h 20m

£660

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sat 13/6

09:25-18:45

1 stop15h 20m

London Heathrow

Tue 7/7

14:45-12:05

1 stop15h 20m

£670

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Mon 15/6

02:25-07:00

1 stop34h 35m

London Heathrow

Tue 7/7

14:45-12:05

1 stop15h 20m

£670

Flights are sorted by cheapest return flights first.

Deals found on 4/5

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

Best time to book a flight from Thailand to London

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

How far ahead should I book a flight from Thailand to London?

The best time to book flights from Thailand to London is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Thailand to London (average of £169). Flying from Thailand to London in March is currently the most expensive (average of £1,817). 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 TH to LON?

Find hourly flight availability from Thailand to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 May 2026.

When flying from Thailand to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 68% versus a flight at midday.

Weekly flight availability from Thailand to London

Explore weekly flight availability from Thailand to London. 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 7 May 2026.

The most flights from TH0 to LON are scheduled on a Wednesday (9 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 Thailand to London delayed?

About 17% of weekly flights between Thailand and London have experienced delays in the past year, with the average delay time being 102 minutes.

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

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

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

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

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

Over the past year, British Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 7 May 2026.
See what other customers who have flown with EVA Air,Emirates, andEtihad Airways from Thailand to London 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
1,445 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

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
1,445 reviews
EVA Air
8.5
Very Good
1,445 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

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?
Emirates
8.1
Very Good
3,571 reviews
EVA Air
8.5
Very Good
1,445 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

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?
Etihad Airways
7.3
Good
1,434 reviews
EVA Air
8.5
Very Good
1,445 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

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?
China Eastern
7.3
Good
211 reviews
EVA Air
8.5
Very Good
1,445 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

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
7.2
Good
EVA Air
8.5
Very Good
1,445 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

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 Thailand to London. 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 Thailand to London?

    There are many flights that can get you from Thailand to London in 16h 40m. Fly via Gulf Air, Kuwait Airways, or Etihad Airways to get the fastest option. There are 5947 mi between Thailand and London. Both multi-stop and direct flights can be found to your destination and back.

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

    For one-way options, check prices for Norse Atlantic UK. According to our data, you can fly for as low as £93. Users have also found prices from £132 and £158 on Scandinavian Airlines and Oman Air, respectively.

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

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

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

    The top 3 most reliable airlines when flying from Thailand to London are Air Canada (84%), Thai Airways (71%) and EVA Air (65%).

  • What are the cheapest flights from Thailand to London?

    Looking at all options, your cheapest flight can be booked for £425. While the most popular route (Bangkok Suvarnabhumi - London Heathrow) can be booked for £502 on average, our data indicates £982 when flying from Thailand to London.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Thailand to London (average of £169). Flying from Thailand to London in March is currently the most expensive (average of £1,817). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

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.

Top 10 airlines flying from Thailand to London

Discover the top 10 airlines that operate flights from Thailand to London. 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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£176Average£484FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
China SouthernCheapest£210Average£514FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Kuwait AirwaysCheapest£265Average£538FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Oman AirCheapest£283Average£564FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Air IndiaCheapest£328Average£649FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest£394Average£653FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£421Average£601FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
SAUDIACheapest£481Average£547FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Air ChinaCheapest£505Average£542FlexibilityNo cancel feeOn-time67%
Search Air China flights
Qatar AirwaysCheapest£592Average£755FlexibilityNo cancel feeOn-time68%
Search Qatar 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 Thailand to London?

Cheapflights helps you search for flights from Thailand to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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

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

Yes, we can. To see specific flights from Thailand to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Thailand to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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