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Cheap flights from Chiang Mai to London from ฿10,707

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
16 Jul — 23 Jul1
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 16 June 2026.

Fri 11/920:00
CNX
-
LHR
2 stops22h 45m
Multiple Airlines
Sun 20/922:40
LHR
-
CNX
1 stop17h 10m
Multiple Airlines
Deal found 14/6฿26,003
Mon 14/920:00
CNX
-
LHR
2 stops28h 45m
Multiple Airlines
Wed 23/922:40
LHR
-
CNX
1 stop17h 10m
Multiple Airlines
Deal found 14/6฿28,607
Sun 13/911:55
CNX
-
LHR
2 stops25h 05m
Multiple Airlines
Wed 23/922:40
LHR
-
CNX
1 stop17h 10m
Multiple Airlines
Deal found 14/6฿28,704
Mon 15/614:35
CNX
-
LHR
2 stops34h 10m
เอทิฮัดแอร์เวย์
Fri 19/614:45
LHR
-
CNX
2 stops23h 40m
เอทิฮัดแอร์เวย์
Deal found 12/6฿28,737
Tue 15/920:00
CNX
-
LHR
2 stops22h 45m
Multiple Airlines
Wed 23/922:40
LHR
-
CNX
1 stop17h 10m
Multiple Airlines
Deal found 14/6฿28,835
Mon 12/1010:10
CNX
-
LHR
2 stops26h 50m
Multiple Airlines
Thu 29/1021:00
LHR
-
CNX
1 stop34h 20m
Multiple Airlines
Deal found 13/6฿28,997
Tue 15/915:40
CNX
-
LGW
2 stops21h 45m
Multiple Airlines
Wed 23/920:25
LGW
-
CNX
1 stop19h 25m
Multiple Airlines
Deal found 14/6฿29,258
Thu 25/623:05
CNX
-
LHR
1 stop24h 35m
Air China
Sun 28/622:40
LHR
-
CNX
1 stop17h 10m
Air China
Deal found 15/6฿29,323
Tue 16/621:10
CNX
-
LHR
2 stops23h 55m
Multiple Airlines
Fri 19/614:45
LHR
-
CNX
2 stops23h 40m
Multiple Airlines
Deal found 12/6฿29,388
Thu 18/610:10
CNX
-
LHR
2 stops26h 50m
เอทิฮัดแอร์เวย์
Fri 19/614:45
LHR
-
CNX
2 stops23h 40m
เอทิฮัดแอร์เวย์
Deal found 13/6฿29,486
Mon 14/911:55
CNX
-
LHR
2 stops25h 05m
เอทิฮัดแอร์เวย์
Wed 23/921:45
LHR
-
CNX
2 stops29h 35m
เอทิฮัดแอร์เวย์
Deal found 14/6฿29,844
Wed 14/1012:35
CNX
-
LHR
1 stop23h 20m
Malaysia Airlines
Mon 26/1021:25
LHR
-
CNX
1 stop31h 00m
Malaysia Airlines
Deal found 13/6฿30,071

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 16 June 2026.

Round-trip from

฿26,003

One-way from

฿10,707
Air China
  • Air China
  • 11/9-20/9
  • 3 total stops
  • 39h 55m total
  • Chiang Mai to London
Search Deals
9/7
  • 9/7
  • 3 total stops
  • 42h 30m 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 16 June 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

Mon 14/9

14:35-15:05

2 stops30h 30m

London Heathrow

Wed 16/9

09:30-19:10

2 stops27h 40m

฿32,154

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 11/11

12:25-05:35

1 stop24h 10m

London Heathrow

Sun 15/11

10:25-11:25

1 stop18h 00m

฿33,131

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 14/9

12:35-16:35

1 stop34h 00m

London Heathrow

Mon 21/9

21:35-11:40

1 stop32h 05m

฿34,921

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 14/11

15:10-06:25

1 stop22h 15m

London Gatwick

Thu 10/12

09:25-14:40

1 stop22h 15m

฿34,953

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 9/7

09:10-06:40

2 stops27h 30m

London Gatwick

Mon 13/7

11:35-23:20

1 stop29h 45m

฿35,474
Fastest return journey

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 9/8

12:35-05:55

1 stop23h 20m

London Heathrow

Sat 22/8

11:00-11:40

1 stop18h 40m

฿35,539

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Mon 9/11

15:35-06:30

1 stop21h 55m

London Gatwick

Thu 12/11

10:30-14:20

1 stop20h 50m

฿35,929

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 14/9

10:10-06:55

2 stops26h 45m

London Heathrow

Sat 26/9

10:00-13:45

2 stops21h 45m

฿36,645

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 11/11

10:05-17:30

2 stops38h 25m

London Heathrow

Sun 15/11

21:00-14:20

1 stop34h 20m

฿37,492

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 9/7

20:00-18:45

2 stops28h 45m

London Heathrow

Mon 13/7

22:00-13:45

3 stops33h 45m

฿37,817

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 50 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 ฿25,642.

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 10m. Fly via เอทิฮัดแอร์เวย์, Malaysia Airlines, or กัลฟ์แอร์ 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 ฿23,517, 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 16 June 2026.
AirlineCheapestAverageFlexibilityOn-time
เอทิฮัดแอร์เวย์Cheapest฿23,517Average฿33,576FlexibilityNo 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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