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Cheap flights from Thailand to London from £135

BKK — LON
4 Dec — 11 Dec1
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

Thu 24/1211:25 -
Nonstop13h 30m
Wed 6/108:50 -
3 stops55h 45m
Deal found 30/10£423
Sun 8/1116:15 -
1 stop23h 20m
Fri 20/1117:00 -
1 stop38h 30m
Deal found 31/10£457
Thu 24/1211:25 -
Nonstop13h 30m
Wed 6/109:50 -
Nonstop11h 55m
Deal found 3/11£464
Wed 4/1109:10 -
1 stop36h 20m
Mon 16/1121:00 -
1 stop34h 20m
Deal found 30/10£498
Tue 10/1118:10 -
1 stop32h 00m
Fri 27/1121:10 -
1 stop31h 00m
Deal found 31/10£505
Wed 18/1110:15 -
Nonstop13h 15m
Tue 24/1108:45 -
1 stop18h 40m
Deal found 3/11£505
Mon 2/1112:35 -
1 stop36h 55m
Tue 17/1109:00 -
2 stops19h 35m
Deal found 31/10£505
Sat 7/1108:20 -
1 stop30h 25m
Tue 24/1108:50 -
2 stops19h 45m
Deal found 31/10£505
Wed 18/1120:35 -
2 stops28h 35m
Fri 27/1110:30 -
2 stops23h 45m
Deal found 31/10£506
Fri 13/1118:05 -
1 stop28h 30m
Sun 15/1116:40 -
1 stop17h 25m
Deal found 2/11£506
Wed 11/1114:40 -
2 stops34h 10m
Tue 17/1120:50 -
2 stops32h 30m
Deal found 3/11£506
Mon 16/1108:30 -
1 stop16h 40m
Sun 29/1121:10 -
1 stop21h 10m
Deal found 3/11£507

Find flight deals from Thailand to London

Round-trip from

£423

One-way from

£135

Popular in

July

Cheapest in

February

Average price

£643

Good round-trip deal

£140 or less

Good one-way deal

£168 or less
24/12-6/1
  • 24/12-6/1
  • 3 total stops
  • 69h 15m total
  • Thailand to London
Search Deals
Etihad Airways
  • Etihad Airways
  • 10/11-31/12
  • 1 total stop
  • 36h 20m 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 (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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

 
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

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 10/11

09:10-14:30

1 stop36h 20m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£135

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 24/11

09:10-12:05

1 stop33h 55m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£138

KrabiLondon

KBV Krabi - LHR London Heathrow

KBVLHR

Krabi

Mon 16/11

08:40-06:40

1 stop29h 00m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£160
Fastest return journey

BangkokLondon

BKK Bangkok Suvarnabhumi - LGW London Gatwick

BKKLGW

Bangkok Suvarnabhumi

Wed 25/11

10:15-16:30

Nonstop13h 15m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£206

KrabiLondon

KBV Krabi - LHR London Heathrow

KBVLHR

Krabi

Wed 13/1

13:00-18:25

2 stops36h 25m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£219

Phuket CityLondon

HKT Phuket City - LHR London Heathrow

HKTLHR

Phuket City

Sun 13/12

21:30-09:10

3 stops42h 40m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£222

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Sun 6/12

14:40-12:05

1 stop28h 25m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£224

Phuket CityLondon

HKT Phuket City - LHR London Heathrow

HKTLHR

Phuket City

Thu 3/12

13:20-05:55

2 stops23h 35m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£227

KrabiLondon

KBV Krabi - LGW London Gatwick

KBVLGW

Krabi

Mon 16/11

08:40-08:40

3 stops55h 00m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£228

Phuket CityLondon

HKT Phuket City - LHR London Heathrow

HKTLHR

Phuket City

Fri 13/11

15:30-14:30

1 stop30h 00m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£229

Flights are sorted by cheapest return flights first.

Deals found on 1/11

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

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, February is the cheapest month in which you can book a flight from Thailand to London (average of £644). Flying from Thailand to London in August is currently the most expensive (average of £825). 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?

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 67% versus a flight in the evening.

Weekly flight availability from Thailand to London

The most flights from TH0 to LON are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

How often are flights from Thailand to London delayed?

About 13% of weekly flights between Thailand and London have experienced delays in the past year, with the average delay time being 107 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 81 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

See what other customers who have flown with EVA Air,Thai Airways, 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
1,552 reviews
Check prices

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.
EVA Air
8.5
Very Good
1,552 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.
Thai Airways
7.9
Good
433 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.
Etihad Airways
7.3
Good
1,557 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.
Norse Atlantic UK
7.2
Good
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.
British Airways
6.7
Okay
8,282 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Related info for your journey

  • How long is the flight from Thailand to London?

    There are many flights that can get you from Thailand to London in 13h 30m. Fly via Norse Atlantic UK, Air Arabia, or Shenzhen Airlines to get the fastest option. There are 6142 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 Etihad Airways. According to our data, you can fly for as low as £111. Users have also found prices from £116 and £144 on Norse Atlantic UK and Scandinavian 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 (71%), TAP AIR PORTUGAL (71%) and Thai Airways (62%).

  • What are the cheapest flights from Thailand to London?

    Looking at all options, your cheapest flight can be booked for £341. While the most popular route (Bangkok Suvarnabhumi - London Heathrow) can be booked for £546 on average, our data indicates £1,064 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 £644). Flying from Thailand to London in August is currently the most expensive (average of £825). 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
Luton
Milton Keynes
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Eastbourne
Barnet
Brentford
Southend-on-Sea
Enfield
Southall
Harrow
Watford
Folkestone
Dagenham
Dover

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Thailand to London

AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£178Average£491FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
China EasternCheapest£265Average£590FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£272Average£595FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Oman AirCheapest£287Average£559FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Etihad AirwaysCheapest£399Average£669FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Thai AirwaysCheapest£513Average£904FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Qatar AirwaysCheapest£548Average£699FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest£659Average£727FlexibilityNo cancel feeOn-time75%
Search Emirates flights
FinnairCheapest£680Average£750FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£702Average£849FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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