Find flights
When to book
FAQs

Cheap flights from Chiang Mai to London from ฿12,149

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
15 Jun — 22 Jun1
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 May 2026.

Mon 15/623:05
CNX
-
LHR
1 stop27h 20m
Air China
Mon 22/622:40
LHR
-
CNX
1 stop17h 10m
Air China
Deal found 16/5฿25,956
Wed 10/622:20
CNX
-
LHR
2 stops25h 50m
Multiple Airlines
Fri 11/920:25
LHR
-
CNX
1 stop19h 25m
Multiple Airlines
Deal found 14/5฿26,118
Sat 6/614:55
CNX
-
LHR
1 stop33h 45m
China Eastern
Sun 14/621:20
LHR
-
CNX
3 stops29h 55m
China Eastern
Deal found 15/5฿27,450
Sat 6/623:05
CNX
-
LHR
1 stop27h 20m
Air China
Sun 14/622:40
LHR
-
CNX
1 stop17h 10m
Air China
Deal found 14/5฿28,944
Wed 10/610:05
CNX
-
LHR
2 stops38h 35m
China Eastern
Fri 11/921:20
LHR
-
CNX
2 stops29h 55m
China Eastern
Deal found 14/5฿29,042
Sun 28/615:40
CNX
-
LGW
2 stops21h 45m
Multiple Airlines
Sun 5/710:25
LGW
-
CNX
2 stops22h 45m
Multiple Airlines
Deal found 13/5฿29,334
Wed 1/715:40
CNX
-
LGW
2 stops21h 50m
Multiple Airlines
Wed 29/710:25
LGW
-
CNX
2 stops22h 45m
Multiple Airlines
Deal found 13/5฿29,659
Wed 10/614:55
CNX
-
LGW
1 stop21h 45m
Multiple Airlines
Fri 11/918:00
LGW
-
CNX
1 stop20h 20m
Multiple Airlines
Deal found 14/5฿30,471
Mon 15/623:05
CNX
-
LHR
1 stop27h 20m
Multiple Airlines
Mon 22/610:00
LHR
-
CNX
2 stops21h 45m
Multiple Airlines
Deal found 16/5฿31,186
Sat 27/615:40
CNX
-
LGW
1 stop21h 45m
Multiple Airlines
Sat 4/710:25
LGW
-
CNX
1 stop22h 45m
Multiple Airlines
Deal found 12/5฿31,673
Sat 13/623:05
CNX
-
LGW
1 stop37h 40m
Multiple Airlines
Sat 20/609:00
LGW
-
CNX
2 stops20h 15m
Multiple Airlines
Deal found 16/5฿32,680
Sat 23/520:00
CNX
-
LGW
2 stops51h 50m
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Sat 30/518:35
LGW
-
CNX
2 stops37h 10m
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 13/5฿33,492

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 May 2026.

Round-trip from

฿25,956

One-way from

฿12,149
Air China
  • Air China
  • 15/6-22/6
  • 2 total stops
  • 44h 30m total
  • Chiang Mai to London
Search Deals
29/6
  • 29/6
  • 2 total stops
  • 51h 10m 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 May 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 10/6

14:55-18:40

1 stop33h 45m

London Heathrow

Fri 11/9

22:40-21:50

1 stop17h 10m

฿26,735

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 6/6

10:05-18:40

2 stops38h 35m

London Heathrow

Sun 14/6

21:20-09:15

3 stops29h 55m

฿27,482
Fastest return journey

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 27/6

15:40-07:25

1 stop21h 45m

London Gatwick

Sat 4/7

10:25-15:10

1 stop22h 45m

฿31,673

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 6/6

20:00-21:45

2 stops31h 45m

London Heathrow

Sun 14/6

06:00-13:45

2 stops25h 45m

฿32,907

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sun 28/6

15:40-07:25

1 stop21h 45m

London Gatwick

Sun 5/7

10:25-15:10

1 stop22h 45m

฿33,460

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 6/6

11:55-06:55

2 stops25h 00m

London Gatwick

Sun 14/6

10:40-13:45

2 stops21h 05m

฿34,629

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 13/6

20:00-21:30

2 stops31h 30m

London Gatwick

Sat 20/6

10:05-13:45

2 stops21h 40m

฿35,214

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Wed 16/9

20:00-19:45

2 stops29h 45m

London Gatwick

Sun 20/9

10:05-19:10

2 stops27h 05m

฿35,571

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 16/9

11:55-19:10

2 stops37h 15m

London Heathrow

Sun 20/9

20:50-19:10

2 stops40h 20m

฿36,351

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 13/6

14:55-18:40

1 stop33h 45m

London Heathrow

Sat 20/6

21:20-13:25

1 stop34h 05m

฿36,351

Flights are sorted by cheapest return flights first.

Deals found on 14/5

Showing 1-10 of 50 resultsSorted by cheapest first
1
2
3
...
5

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 ฿25,595.

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 31h 30m. Fly via China Eastern, สวิส อินเตอร์เนชั่นแนล แอร์ไลน์, or Emirates to get the fastest option. There are 9003 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 ฿23,473, 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Brentford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 2026.
AirlineCheapestAverageFlexibilityOn-time
เอทิฮัดแอร์เวย์Cheapest฿23,473Average฿33,514FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.