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Cheap flights from Chiang Mai to London from £197

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
18 10月 — 25 10月1
1 adult
1 adult, Economy

Cheap 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 18 9月 2025.

Round-trip from

£555

One-way from

£197

Popular in

April

Cheapest in

February

Average price

£679
17/12-31/12
  • 17/12-31/12
  • 2 total stops
  • 42h 40m total
  • Chiang Mai to London
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15/10
  • 15/10
  • 3 total stops
  • 49h 45m total
  • Chiang Mai to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£78 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Chiang Mai to London

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 18 9月 2025.

週四 30/1008:05CNX - LGW
1 stop17h 25mMultiple Airlines
週四 6/1110:30LGW - CNX
2 stops25h 20mMultiple Airlines
Deal found 15/9£535
週三 17/1206:35CNX - LGW
1 stop18h 55mMultiple Airlines
週三 31/1216:00LGW - CNX
1 stop23h 45mMultiple Airlines
Deal found 17/9£555
週日 12/1023:05CNX - LHR
1 stop24h 40mAir China
週六 25/1022:40LHR - CNX
1 stop17h 10mAir China
Deal found 16/9£561
週一 22/1222:25CNX - LGW
1 stop23h 00mMultiple Airlines
週二 6/116:00LGW - CNX
1 stop16h 10mMultiple Airlines
Deal found 15/9£565
週三 17/1223:05CNX - LHR
1 stop25h 45mAir China
週三 31/1220:25LHR - CNX
1 stop18h 25mAir China
Deal found 17/9£592
週三 8/1018:50CNX - LGW
1 stop18h 15mChina Southern
週二 21/1021:30LGW - CNX
2 stops38h 20mChina Southern
Deal found 16/9£596
週一 13/1023:05CNX - LGW
1 stop37h 30mMultiple Airlines
週一 20/1007:25LGW - CNX
3 stops32h 25mMultiple Airlines
Deal found 14/9£603
週四 30/1015:35CNX - LGW
1 stop21h 55mChina Eastern
週四 6/1110:30LGW - CNX
3 stops39h 35mChina Eastern
Deal found 15/9£604
週日 12/1018:50CNX - LGW
1 stop18h 00mChina Southern
週四 23/1012:00LGW - CNX
1 stop23h 50mChina Southern
Deal found 16/9£605
週五 10/1022:25CNX - LGW
2 stops23h 00mMultiple Airlines
週一 27/1010:30LGW - CNX
1 stop26h 45mMultiple Airlines
Deal found 16/9£611
週四 9/1015:45CNX - LGW
2 stops21h 25mMultiple Airlines
週一 27/1010:30LGW - CNX
1 stop26h 45mMultiple Airlines
Deal found 16/9£618
週日 12/1018:50CNX - LGW
1 stop18h 00mChina Southern
週六 25/1021:30LGW - CNX
2 stops38h 20mChina Southern
Deal found 16/9£618

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 858,174 searches. Data last updated 18 9月 2025.
Use the filters below to find and compare flights from Chiang Mai to London that are best for you.

Fly from

Chiang Mai

Fly to

London

Route

Depart

Return

Price

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

週三 17/12

06:35-18:30

1 stop18h 55m

London Gatwick

週三 31/12

16:00-22:45

1 stop23h 45m

£555

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

週一 22/12

22:25-14:25

1 stop23h 00m

London Gatwick

週二 6/1

16:00-15:10

1 stop16h 10m

£565

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

週二 3/3

14:50-15:25

1 stop31h 35m

London Heathrow

週五 13/3

10:25-13:50

1 stop20h 25m

£569

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

週四 5/3

14:50-15:25

1 stop31h 35m

London Heathrow

週六 7/3

10:25-11:25

1 stop18h 00m

£584

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

週三 8/10

18:50-07:05

1 stop18h 15m

London Gatwick

週二 21/10

21:30-17:50

2 stops38h 20m

£596

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

週一 13/10

23:05-06:35

1 stop37h 30m

London Gatwick

週一 20/10

07:25-21:50

3 stops32h 25m

£603

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

週四 30/10

15:35-06:30

1 stop21h 55m

London Gatwick

週四 6/11

10:30-09:05

3 stops39h 35m

£604

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

週五 31/10

10:05-13:55

3 stops34h 50m

London Gatwick

週五 7/11

06:10-14:20

2 stops25h 10m

£623

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

週六 20/12

23:05-17:50

1 stop25h 45m

London Heathrow

週六 3/1

20:25-21:50

1 stop18h 25m

£635

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

週一 22/12

10:05-06:30

3 stops27h 25m

London Gatwick

週二 6/1

10:30-14:20

1 stop20h 50m

£642

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 46 results
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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 is the cheapest time of day to fly from CNX to LON?

Find hourly flight availability from Chiang Mai to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 9月 2025.

It’s optimal to fly from Chiang Mai to London in the afternoon. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the morning.

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.

Shanghai (PVG) – chosen by Cheapflights users on 68% 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.

Guangzhou (CAN) is the most affordable one-stop option, with an average return flight price of £479.

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 Abu Dhabi (AUH) have the shortest average one-way travel time for one-stop routes: 16h 35m.

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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 18 9月 2025.
Read through reviews of airlines operating flights from Chiang Mai to London, such as Air China and China Eastern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air China
7.3
Good
101 reviews
Check prices

Crew

7.9

Food

7.0

Boarding

7.7

Comfort

7.0

Entertainment

6.2

Overall

7.3

Reviews

1 / 1
10.0
Excellent

Vanina,Jun 2025

LHR - PEK

Very good but something happened with my flight # my booking had a 22.40 departure only to find out when check in that I was booked on the 20.40 flight so I had to run through a short connection. Never k we why this happened.
Air China
7.3
Good
101 reviews
Air China
7.3
Good
101 reviews
Check prices

Crew

7.9

Food

7.0

Boarding

7.7

Comfort

7.0

Entertainment

6.2

Overall

7.3

Reviews

1 / 1
10.0
Excellent

Vanina,Jun 2025

LHR - PEK

Very good but something happened with my flight # my booking had a 22.40 departure only to find out when check in that I was booked on the 20.40 flight so I had to run through a short connection. Never k we why this happened.
China Eastern
7.2
Good
166 reviews
Air China
7.3
Good
101 reviews
Check prices

Crew

7.9

Food

7.0

Boarding

7.7

Comfort

7.0

Entertainment

6.2

Overall

7.3

Reviews

1 / 1
10.0
Excellent

Vanina,Jun 2025

LHR - PEK

Very good but something happened with my flight # my booking had a 22.40 departure only to find out when check in that I was booked on the 20.40 flight so I had to run through a short connection. Never k we why this happened.

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?

    If you book a flight to London from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Chiang Mai to London per day from 1 airline.

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

    Airlines like Malaysia Airlines, China Southern, and China Eastern fly from Chiang Mai to London in about 18h 15m. The time it takes to get you to your destination can typically vary by up to 13h 20m. The distance between Chiang Mai and London is about 5594 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Chiang Mai to London round-trip from £494. China Eastern is 28% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The most popular route from Chiang Mai to London is Chiang Mai - London Heathrow. You may also consider Chiang Mai - London Gatwick or Chiang Mai - London City.

  • 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.

  • What is the cheapest month to book a flight from Chiang Mai to London?

    Currently, January is the cheapest month in which you can book a flight from Chiang Mai to London (average of £112). Flying from Chiang Mai to London in August is currently the most expensive (average of £164). 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

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Alternative routes for Chiang Mai to London

See prices for flight routes from nearby airports that may be better suited for you.
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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 858,174 searches. Data last updated 18 9月 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£494Average£678FlexibilityNo cancel feeOn-time62%
Search China Eastern 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?

When you search for this flight from Chiang Mai to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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?

Certainly. Search results for flights to London from Chiang Mai shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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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