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Cheap flights from Chiang Mai to London from ฿7,144

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
12 Oct — 19 Oct1
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 12 September 2025.

Round-trip from

฿23,432

One-way from

฿7,144

Popular in

April

Cheapest in

February

Average price

฿29,465
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 5/3-7/3
  • 2 total stops
  • 49h 30m total
  • Chiang Mai to London
Search Deals
27/10
  • 27/10
  • 1 total stop
  • 18h 25m total
  • Chiang Mai to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (฿145,487 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿26,317 potential savings vs. average return price).
Search Deals
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 12 September 2025.

Sun 28/914:55CNX - LGW
1 stop30h 15mChina Eastern
Sun 12/1011:35LGW - CNX
1 stop19h 50mChina Eastern
Deal found 10/9฿23,877
Sat 25/1014:40CNX - LHR
1 stop31h 45mMalaysia Airlines
Sat 15/1110:25LHR - CNX
1 stop18h 00mMalaysia Airlines
Deal found 11/9฿25,401
Sat 25/1007:20CNX - LGW
2 stops30h 10mMultiple Airlines
Sat 15/1106:40LGW - CNX
3 stops32h 40mMultiple Airlines
Deal found 11/9฿25,750
Mon 27/1015:35CNX - LGW
1 stop21h 55mChina Eastern
Mon 3/1117:00LGW - CNX
2 stops33h 05mChina Eastern
Deal found 12/9฿26,004
Sat 25/1014:55CNX - LGW
1 stop22h 35mChina Eastern
Sat 15/1117:00LGW - CNX
1 stop38h 20mChina Eastern
Deal found 11/9฿26,258
Mon 27/1018:50CNX - LHR
1 stop30h 45mMultiple Airlines
Mon 3/1121:00LHR - CNX
2 stops29h 05mMultiple Airlines
Deal found 12/9฿26,544
Sat 25/1023:05CNX - LHR
1 stop25h 45mAir China
Sat 15/1121:35LHR - CNX
2 stops41h 15mAir China
Deal found 11/9฿26,576
Sun 28/914:55CNX - LHR
1 stop33h 45mChina Eastern
Sun 12/1021:20LHR - CNX
1 stop34h 05mChina Eastern
Deal found 10/9฿27,211
Sat 20/1223:05CNX - LHR
1 stop25h 45mAir China
Sat 3/120:25LHR - CNX
1 stop18h 25mAir China
Deal found 9/9฿27,369
Sat 25/1016:20CNX - LHR
2 stops32h 10mMultiple Airlines
Sat 15/1121:35LHR - CNX
2 stops41h 15mMultiple Airlines
Deal found 11/9฿28,417
Mon 27/1015:35CNX - LHR
2 stops36h 50mChina Eastern
Mon 3/1121:00LHR - CNX
2 stops29h 05mChina Eastern
Deal found 12/9฿28,608
Thu 25/916:55CNX - LGW
2 stops26h 30mMultiple Airlines
Thu 2/1012:35LGW - CNX
1 stop27h 15mMultiple Airlines
Deal found 10/9฿30,767

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 September 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 - LHR

CNXLHR

Chiang Mai

Thu 5/3

08:50-18:10

1 stop16h 20m

London Heathrow

Sat 7/3

13:55-06:05

1 stop33h 10m

฿23,432

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sun 28/9

16:20-15:10

2 stops28h 50m

London Gatwick

Sun 12/10

11:35-13:25

1 stop19h 50m

฿23,940

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 3/3

14:50-15:25

1 stop31h 35m

London Heathrow

Fri 13/3

10:25-13:50

1 stop20h 25m

฿24,575

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 25/10

14:40-16:25

1 stop31h 45m

London Heathrow

Sat 15/11

10:25-11:25

1 stop18h 00m

฿25,401

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 25/10

07:20-07:30

2 stops30h 10m

London Gatwick

Sat 15/11

06:40-22:20

3 stops32h 40m

฿25,750

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Mon 27/10

15:35-06:30

1 stop21h 55m

London Gatwick

Mon 3/11

17:00-09:05

2 stops33h 05m

฿26,004

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 25/10

14:55-07:30

1 stop22h 35m

London Gatwick

Sat 15/11

17:00-15:25

2 stops39h 25m

฿26,290

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 25/10

23:05-18:50

1 stop25h 45m

London Heathrow

Sat 15/11

21:35-21:50

2 stops41h 15m

฿26,576

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 28/9

14:55-18:40

1 stop33h 45m

London Heathrow

Sun 12/10

21:20-13:25

1 stop34h 05m

฿27,211

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 20/12

23:05-17:50

1 stop25h 45m

London Heathrow

Sat 3/1

20:25-21:50

1 stop18h 25m

฿27,433

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 52 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 12 September 2025.

When flying from Chiang Mai 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 44% versus 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.

Bangkok (BKK) – chosen by Cheapflights users on 44% 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.

Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of ฿24,888.

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: 16h 26m.

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 12 September 2025.
Check out reviews from past customers who have flown with China Eastern from Chiang Mai to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Eastern
7.2
Good
165 reviews
Check prices

Boarding

7.7

Overall

7.2

Entertainment

6.2

Crew

7.9

Comfort

7.3

Food

6.9

Reviews

1 / 4
2.0
Mediocre

Jordan,Jun 2025

PHX - LAX

Bad. I completely lost my bags. And, I can't even get in contact with anyone to find them.
China Eastern
7.2
Good
165 reviews
China Eastern
7.2
Good
165 reviews
Check prices

Boarding

7.7

Overall

7.2

Entertainment

6.2

Crew

7.9

Comfort

7.3

Food

6.9

Reviews

1 / 4
2.0
Mediocre

Jordan,Jun 2025

PHX - LAX

Bad. I completely lost my bags. And, I can't even get in contact with anyone to find them.

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 0 airlines have 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 16h 20m. Fly via เอทิฮัดแอร์เวย์, China Eastern, or Malaysia Airlines to get the fastest option. There are 9009 km between Chiang Mai and London. This flight may include one or multiple stops.

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

    While some choose either Chiang Mai - London Heathrow or Chiang Mai - London Gatwick, Chiang Mai - London City 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.

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

    Currently, December is the cheapest month in which you can book a flight from Chiang Mai to London (average of ฿810). Flying from Chiang Mai to London in July is currently the most expensive (average of ฿1,014). 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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Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to London?

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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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