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Cheap flights from Thailand to London from £228

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LON
5 Sep — 12 Sep1
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 6 August 2026.

Tue 3/1122:30 -
1 stop24h 05m
Tue 17/1112:40 -
1 stop19h 50m
Deal found 4/8£499
Thu 5/1106:45 -
1 stop21h 20m
Tue 17/1112:40 -
1 stop19h 50m
Deal found 4/8£510
Thu 10/915:20 -
1 stop29h 45m
Thu 17/922:00 -
1 stop32h 50m
Deal found 5/8£512
Wed 4/1122:50 -
1 stop29h 15m
Tue 17/1112:40 -
1 stop25h 40m
Deal found 4/8£521
Sun 13/903:20 -
1 stop21h 25m
Mon 21/920:25 -
1 stop39h 20m
Deal found 3/8£541
Wed 21/1022:55 -
1 stop24h 50m
Wed 4/1121:00 -
1 stop18h 45m
Deal found 2/8£558
Sat 15/807:40 -
3 stops42h 20m
Tue 8/920:50 -
2 stops34h 35m
Deal found 4/8£558
Fri 18/915:20 -
1 stop29h 45m
Fri 25/914:45 -
1 stop15h 45m
Deal found 4/8£559
Fri 11/914:55 -
1 stop34h 15m
Fri 18/920:20 -
1 stop19h 30m
Deal found 5/8£561
Thu 10/915:20 -
1 stop29h 45m
Wed 23/914:45 -
1 stop15h 45m
Deal found 2/8£562
Mon 21/903:20 -
1 stop17h 45m
Wed 30/914:45 -
1 stop15h 45m
Deal found 1/8£563
Fri 18/915:20 -
1 stop29h 45m
Mon 21/921:20 -
1 stop18h 20m
Deal found 3/8£564

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 6 August 2026.

Round-trip from

£499

One-way from

£228

Popular in

July

Cheapest in

November

Average price

£755

Good round-trip deal

£140 or less

Good one-way deal

£182 or less
3/11-17/11
  • 3/11-17/11
  • 2 total stops
  • 43h 55m total
  • Thailand to London
Search Deals
20/10
  • 20/10
  • 2 total stops
  • 41h 15m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 6 August 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 Phuket City - LHR London Heathrow

HKTLHR

Phuket City

Sun 20/9

15:20-15:05

1 stop29h 45m

London Heathrow

Sun 27/9

21:45-23:50

1 stop20h 05m

£559

Phuket CityLondon

HKT Phuket City - LHR London Heathrow

HKTLHR

Phuket City

Fri 18/9

15:20-15:05

1 stop29h 45m

London Heathrow

Fri 25/9

14:45-12:30

1 stop15h 45m

£595

Chiang MaiLondon

CNX Chiang Mai - LGW London Gatwick

CNXLGW

Chiang Mai

Fri 4/9

06:35-06:35

2 stops54h 00m

London Gatwick

Mon 21/9

20:20-21:50

1 stop19h 30m

£602

Phuket CityLondon

HKT Phuket City - LHR London Heathrow

HKTLHR

Phuket City

Sat 19/9

09:25-18:45

1 stop15h 20m

London Heathrow

Sat 26/9

22:15-07:55

2 stops27h 40m

£612

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Wed 14/10

13:15-19:20

2 stops36h 05m

London Heathrow

Wed 28/10

20:25-21:50

1 stop18h 25m

£614

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Fri 4/9

22:30-19:50

2 stops27h 20m

London Heathrow

Mon 21/9

22:40-21:50

1 stop17h 10m

£617

BangkokLondon

BKK Bangkok Suvarnabhumi - LGW London Gatwick

BKKLGW

Bangkok Suvarnabhumi

Tue 18/8

05:05-19:10

1 stop20h 05m

London Gatwick

Fri 21/8

18:00-01:55

1 stop25h 55m

£620

BangkokLondon

BKK Bangkok Suvarnabhumi - LGW London Gatwick

BKKLGW

Bangkok Suvarnabhumi

Tue 18/8

02:10-15:00

1 stop18h 50m

London Gatwick

Fri 21/8

18:00-22:15

2 stops22h 15m

£625

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Sun 20/9

19:10-19:10

1 stop30h 00m

London Heathrow

Wed 7/10

20:50-17:45

1 stop14h 55m

£628
Fastest return journey

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Thu 19/11

09:00-18:25

1 stop16h 25m

London Heathrow

Mon 23/11

20:05-17:15

1 stop14h 10m

£628

Flights are sorted by cheapest return flights first.

Deals found on 1/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

Currently, November is the cheapest month in which you can book a flight from Thailand to London (average of £663). Flying from Thailand to London in July is currently the most expensive (average of £814). 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 6 August 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 77% versus a flight in the evening.

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 6 August 2026.

The most flights from TH0 to LON are scheduled on a Wednesday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from Thailand to London delayed?

About 14% of weekly flights between Thailand and London have experienced delays in the past year, with the average delay time being 106 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 8% of flights being delayed.

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

The best time to book flights from Thailand to London is 83 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.

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 6 August 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
1,511 reviews
Check prices

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.5
Very Good
1,511 reviews
EVA Air
8.5
Very Good
1,511 reviews
Check prices

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Emirates
8.1
Very Good
3,644 reviews
EVA Air
8.5
Very Good
1,511 reviews
Check prices

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Etihad Airways
7.3
Good
1,498 reviews
EVA Air
8.5
Very Good
1,511 reviews
Check prices

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Norse Atlantic UK
7.2
Good
EVA Air
8.5
Very Good
1,511 reviews
Check prices

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
British Airways
6.7
Okay
8,146 reviews
EVA Air
8.5
Very Good
1,511 reviews
Check prices

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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 20h 05m. Fly via Etihad Airways, China Eastern, or Oman Air to get the fastest option. There are 5942 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 £94. Users have also found prices from £133 and £160 on Scandinavian Airlines and Hainan Airlines, 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 (89%), TAP AIR PORTUGAL (89%) and Thai Airways (80%).

  • What are the cheapest flights from Thailand to London?

    Looking at all options, your cheapest flight can be booked for £295. While the most popular route (Bangkok Suvarnabhumi - London Heathrow) can be booked for £510 on average, our data indicates £1,084 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, November is the cheapest month in which you can book a flight from Thailand to London (average of £663). Flying from Thailand to London in July is currently the most expensive (average of £814). 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
Hounslow
Milton Keynes
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Dover
Romford
Borehamwood

Browse thousands of different options on Cheapflights for your next trip

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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 6 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£177Average£483FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
China SouthernCheapest£212Average£540FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Oman AirCheapest£286Average£565FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Etihad AirwaysCheapest£398Average£657FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£454Average£600FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
SAUDIACheapest£474Average£552FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Air ChinaCheapest£510Average£548FlexibilityNo cancel feeOn-time67%
Search Air China flights
Qatar AirwaysCheapest£544Average£696FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Gulf AirCheapest£617Average£647FlexibilityNo cancel feeOn-time67%
Search Gulf Air flights
EmiratesCheapest£651Average£714FlexibilityNo 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 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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