Cheap flights from Thailand to London from £183

BKK — LON
14 Dec — 21 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 20/121:05 -
3 stops57h 55m
Deal found 9/11£432
Sat 26/1221:30 -
1 stop25h 25m
Mon 11/107:50 -
2 stops29h 40m
Deal found 9/11£461
Sat 26/1209:35 -
Nonstop13h 20m
Mon 11/117:35 -
Nonstop11h 40m
Deal found 9/11£485
Thu 17/1211:25 -
Nonstop13h 30m
Fri 1/112:50 -
Nonstop11h 55m
Deal found 14/11£491
Thu 12/1109:10 -
1 stop36h 20m
Wed 25/1121:00 -
1 stop34h 20m
Deal found 11/11£494
Wed 9/1220:40 -
1 stop21h 25m
Tue 29/1222:00 -
1 stop37h 10m
Deal found 11/11£520
Wed 11/1110:15 -
Nonstop13h 15m
Wed 18/1108:45 -
1 stop25h 20m
Deal found 9/11£520
Mon 16/1109:20 -
Nonstop13h 15m
Wed 2/1218:45 -
3 stops33h 00m
Deal found 10/11£521
Sat 5/1206:50 -
1 stop20h 40m
Fri 1/120:30 -
1 stop16h 10m
Deal found 9/11£522
Wed 25/1102:10 -
2 stops22h 20m
Sat 28/1121:10 -
1 stop31h 00m
Deal found 10/11£522
Wed 11/1119:55 -
1 stop25h 35m
Wed 18/1112:30 -
1 stop21h 05m
Deal found 10/11£523
Wed 18/1110:15 -
Nonstop13h 15m
Sun 22/1110:30 -
1 stop31h 25m
Deal found 11/11£523

Find flight deals from Thailand to London

Round-trip from

£432

One-way from

£183

Popular in

July

Cheapest in

February

Average price

£670

Good round-trip deal

£142 or less

Good one-way deal

£161 or less
24/12-20/1
  • 24/12-20/1
  • 3 total stops
  • 71h 25m total
  • Thailand to London
5/12-31/12
  • 5/12-31/12
  • 2 total stops
  • 34h 25m total
  • Thailand to London
Highest demand for flights based on searches. 6% potential increase in price (£38 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Thailand to London (LON).
Price to beat on a one-way flight from Thailand to London (LON).

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

Mon 1/2

13:20-19:55

2 stops37h 35m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£245
Fastest return journey

BangkokLondon

BKK Bangkok Suvarnabhumi - LGW London Gatwick

BKKLGW

Bangkok Suvarnabhumi

Tue 16/3

14:50-21:05

Nonstop13h 15m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£246

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Mon 1/2

23:05-17:50

1 stop25h 45m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£251

KrabiLondon

KBV Krabi - LHR London Heathrow

KBVLHR

Krabi

Mon 21/12

20:45-12:05

2 stops22h 20m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£252

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Mon 15/3

23:05-17:50

1 stop25h 45m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£255

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Mon 15/3

13:00-06:25

2 stops24h 25m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£265

Khon KaenLondon

KKC Khon Kaen - LHR London Heathrow

KKCLHR

Khon Kaen

Mon 23/11

16:50-17:30

2 stops31h 40m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£270

Khon KaenLondon

KKC Khon Kaen - LHR London Heathrow

KKCLHR

Khon Kaen

Sun 29/11

08:40-17:30

2 stops39h 50m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£272

BangkokLondon

BKK Bangkok Suvarnabhumi - LGW London Gatwick

BKKLGW

Bangkok Suvarnabhumi

Wed 21/4

08:55-08:45

1 stop29h 50m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£276

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 24/11

16:25-17:30

2 stops32h 05m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£277

Flights are sorted by cheapest return flights first.

Deals found on 10/11

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 £631). Flying from Thailand to London in August is currently the most expensive (average of £838). 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 (8 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.

Entertainment

8.0

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

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

Entertainment

8.0

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

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

Entertainment

8.0

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

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

Entertainment

8.0

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

8.4

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

Entertainment

8.0

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

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

Entertainment

8.0

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

8.4

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 15m. Fly via Air Arabia, Shenzhen Airlines, or Norse Atlantic UK 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 Etihad Airways. According to our data, you can fly for as low as £113. Users have also found prices from £118 and £146 on Norse Atlantic UK and Scandinavian Airlines, respectively.

  • What are the most popular routes 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 £308. While the most popular route (Bangkok Suvarnabhumi - London Heathrow) can be booked for £514 on average, our data indicates £1,081 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 £631). Flying from Thailand to London in August is currently the most expensive (average of £838). 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?

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Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Thailand to London

AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£180Average£498FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
China EasternCheapest£269Average£599FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£276Average£562FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Oman AirCheapest£291Average£567FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Etihad AirwaysCheapest£405Average£679FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Thai AirwaysCheapest£501Average£913FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Qatar AirwaysCheapest£556Average£712FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest£668Average£739FlexibilityNo cancel feeOn-time75%
Search Emirates flights
FinnairCheapest£689Average£761FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£740Average£861FlexibilityNo 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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