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Cheap flights from Chiang Mai to London from ฿12,083

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
11 Aug — 18 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to London

Enter your travel dates to find the best prices.

Cheapest flights from Chiang Mai to London
Explore the most affordable flight options available from Chiang Mai to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2026.

Thu 20/822:30
CNX
-
LGW
2 stops27h 10m
Multiple Airlines
Wed 26/812:35
LGW
-
CNX
1 stop27h 15m
Multiple Airlines
Deal found 8/7฿25,826
Tue 28/700:30
CNX
-
LHR
1 stop24h 10m
Multiple Airlines
Mon 24/822:40
LHR
-
CNX
1 stop17h 10m
Multiple Airlines
Deal found 11/7฿26,424
Tue 21/700:30
CNX
-
LHR
1 stop24h 10m
Multiple Airlines
Fri 21/822:40
LHR
-
CNX
1 stop17h 10m
Multiple Airlines
Deal found 10/7฿26,557
Thu 20/823:05
CNX
-
LGW
1 stop25h 00m
Air China
Wed 26/812:35
LGW
-
CNX
1 stop27h 15m
Air China
Deal found 8/7฿26,856
Sun 26/700:30
CNX
-
LHR
1 stop24h 10m
Multiple Airlines
Wed 19/809:55
LHR
-
CNX
2 stops29h 55m
Multiple Airlines
Deal found 8/7฿27,287
Thu 20/823:05
CNX
-
LHR
1 stop24h 35m
Air China
Wed 26/820:25
LHR
-
CNX
1 stop19h 25m
Air China
Deal found 8/7฿28,648
Thu 20/822:30
CNX
-
LHR
2 stops26h 50m
Multiple Airlines
Wed 26/820:25
LHR
-
CNX
1 stop19h 25m
Multiple Airlines
Deal found 8/7฿28,781
Tue 28/700:30
CNX
-
LHR
1 stop24h 10m
China Eastern
Wed 26/821:20
LHR
-
CNX
2 stops36h 00m
China Eastern
Deal found 10/7฿28,980
Thu 16/714:10
CNX
-
LGW
1 stop22h 20m
Multiple Airlines
Sun 16/822:00
LGW
-
CNX
1 stop19h 20m
Multiple Airlines
Deal found 9/7฿30,009
Tue 1/915:40
CNX
-
LGW
1 stop21h 45m
Multiple Airlines
Wed 2/910:25
LGW
-
CNX
1 stop22h 45m
Multiple Airlines
Deal found 7/7฿30,308
Thu 16/709:10
CNX
-
LGW
2 stops27h 30m
China Eastern
Sun 16/822:00
LGW
-
CNX
1 stop19h 20m
China Eastern
Deal found 9/7฿30,507
Thu 16/718:50
CNX
-
LHR
1 stop30h 30m
Multiple Airlines
Sun 16/821:20
LHR
-
CNX
1 stop20h 00m
Multiple Airlines
Deal found 9/7฿31,503

Find flight deals from Chiang Mai to London

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 July 2026.

Round-trip from

฿25,826

One-way from

฿12,083
Air China
  • Air China
  • 20/8-26/8
  • 3 total stops
  • 54h 25m total
  • Chiang Mai to London
Search Deals
8/9
  • 8/9
  • 2 total stops
  • 21h 45m total
  • Chiang Mai to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chiang Mai 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 17,341 searches. Data last updated 12 July 2026.
Use the filters below to find and compare flights from Chiang Mai to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 22/7

19:00-18:20

2 stops29h 20m

London Heathrow

Fri 21/8

20:25-21:50

1 stop19h 25m

฿26,955

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 20/8

23:05-17:40

1 stop24h 35m

London Heathrow

Wed 26/8

20:25-21:50

1 stop19h 25m

฿28,648

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Mon 31/8

00:30-19:10

1 stop24h 40m

London Gatwick

Wed 2/9

07:10-21:50

2 stops32h 40m

฿31,171

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 6/8

23:05-19:00

1 stop25h 55m

London Gatwick

Thu 13/8

11:35-23:20

1 stop29h 45m

฿32,632

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 27/7

16:50-18:55

2 stops32h 05m

London Heathrow

Tue 18/8

14:45-19:10

2 stops22h 25m

฿32,731

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 6/8

23:05-17:40

1 stop24h 35m

London Heathrow

Thu 13/8

20:45-13:45

2 stops35h 00m

฿33,827

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Fri 25/12

23:05-05:40

1 stop37h 35m

London Gatwick

Fri 1/1

11:35-21:50

1 stop27h 15m

฿33,860
Fastest return journey

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Tue 4/8

00:30-15:00

1 stop20h 30m

London Gatwick

Wed 12/8

22:00-23:20

1 stop19h 20m

฿35,686

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Tue 3/11

15:35-14:00

1 stop29h 25m

London Gatwick

Wed 4/11

17:00-14:20

1 stop38h 20m

฿36,150

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 28/7

00:30-18:40

1 stop24h 10m

London Heathrow

Wed 26/8

21:20-09:15

3 stops29h 55m

฿36,980

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 38 resultsSorted by cheapest first
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Best time to book a flight from Chiang Mai to London

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

What’s the top stopover airport for flights from Chiang Mai to London?

Share of one-stop return flights from Chiang Mai to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Bangkok (BKK) – chosen by Cheapflights users on 43% of one-stop itineraries from Chiang Mai to London on Cheapflights.

What’s the cheapest stopover airport for flights from Chiang Mai to London?

Average return fare for one-stop flights from Chiang Mai to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Kuala Lumpur (KUL) is the most affordable one-stop option, with an average return flight price of ฿26,155.

What’s the fastest stopover option from Chiang Mai to London?

Shortest average travel time for one-stop one-way flights from Chiang Mai to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 15h 50m.

Which airport typically offers the quickest stopover for flights from Chiang Mai to London?

Average stopover duration for one-stop one-way flights from Chiang Mai to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 1h 23m.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Chiang Mai to London?

    Chiang Mai (CNX) is the airport you will fly out of if you book a flight from Chiang Mai to London. You should not have trouble finding flights to London from Chiang Mai; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Chiang Mai airport to London. It is only a 3.1 km journey to Chiang Mai (CNX) from Chiang Mai’s city centre.

  • How long is the flight from Chiang Mai to London?

    There are many flights that can get you from Chiang Mai to London in 24h 35m. Fly via Air China, เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์, or สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ to get the fastest option. There are 9009 km between Chiang Mai and London. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Chiang Mai to London round-trip?

    Currently priced at ฿23,987, เอทิฮัดแอร์เวย์ will fly you from Chiang Mai to London and back. In addition to เอทิฮัดแอร์เวย์, many other airlines offer competitively priced options for your trip.

  • What are the most popular routes from Chiang Mai to London?

    While some choose either Chiang Mai - London Gatwick or Chiang Mai - London City, Chiang Mai - London Heathrow is the most popular route from Chiang Mai to London.

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

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

  • How can I find direct flights from Chiang Mai to London?

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

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

    Yes. Cheapflights offers flight deals from Chiang Mai 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.

See more FAQs

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Top airline flying from Chiang Mai to London

Discover the top airline that operate flights from Chiang Mai 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 17,341 searches. Data last updated 12 July 2026.
AirlineCheapestAverageFlexibilityOn-time
เอทิฮัดแอร์เวย์Cheapest฿23,987Average฿34,248FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ 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 Chiang Mai to London?

Deals for Chiang Mai to London 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 Chiang Mai to London?

Cheapflights helps you find that perfect flight to London from Chiang Mai by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Chiang Mai 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 Chiang Mai to London become cheaper?

Yes, Cheapflights offers price alerts on Chiang Mai to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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