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Cheap flights from Chiang Mai to London from ฿9,127

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
19 Jul — 26 Jul1
1 adult

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 14 July 2025.

Round-trip from

฿26,508

One-way from

฿9,127

Popular in

April

Cheapest in

February

Average price

฿31,816
China Eastern
  • China Eastern
  • 28/7-4/8
  • 3 total stops
  • 48h 30m total
  • Chiang Mai to London
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2/12
  • 2/12
  • 1 total stop
  • 27h 05m total
  • Chiang Mai to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (฿151,173 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿27,360 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 14 July 2025.

Sun 20/714:55CNX - LGW
1 stop30h 15mChina Eastern
Tue 5/818:00LGW - CNX
1 stop37h 25mChina Eastern
Deal found 14/7฿24,242
Sat 20/1223:05CNX - LHR
1 stop25h 45mAir China
Sat 3/120:25LHR - CNX
1 stop18h 25mAir China
Deal found 12/7฿27,770
Mon 28/718:25CNX - LGW
2 stops26h 35mMultiple Airlines
Mon 4/811:35LGW - CNX
2 stops23h 40mMultiple Airlines
Deal found 14/7฿28,418
Sun 20/714:55CNX - LHR
1 stop33h 45mChina Eastern
Tue 5/821:20LHR - CNX
1 stop34h 05mChina Eastern
Deal found 14/7฿30,457
Tue 26/823:05CNX - LHR
1 stop27h 25mMultiple Airlines
Tue 2/922:10LHR - CNX
1 stop37h 40mMultiple Airlines
Deal found 12/7฿30,780
Sat 13/920:00CNX - LGW
2 stops22h 35mEmirates
Fri 19/910:05LGW - CNX
2 stops19h 10mEmirates
Deal found 13/7฿32,625
Sat 13/911:55CNX - LGW
2 stops25h 00mกัลฟ์แอร์
Fri 19/911:25LGW - CNX
2 stops20h 20mกัลฟ์แอร์
Deal found 12/7฿33,273
Sat 13/920:00CNX - LHR
2 stops22h 25mEmirates
Fri 19/916:50LHR - CNX
2 stops20h 20mEmirates
Deal found 12/7฿33,855
Fri 12/914:35CNX - LHR
2 stops30h 45mกัลฟ์แอร์
Mon 22/910:00LHR - CNX
2 stops21h 45mกัลฟ์แอร์
Deal found 12/7฿34,664
Wed 27/818:50CNX - LHR
2 stops29h 15mChina Southern
Wed 3/922:10LHR - CNX
1 stop37h 40mChina Southern
Deal found 12/7฿34,729
Fri 12/911:20CNX - LHR
1 stop35h 10mChina Airlines
Fri 19/921:10LHR - CNX
1 stop31h 10mChina Airlines
Deal found 12/7฿35,635
Thu 11/900:45CNX - LHR
1 stop24h 05mAsiana Airlines
Mon 22/920:40LHR - CNX
1 stop21h 00mAsiana Airlines
Deal found 12/7฿37,448

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 14 July 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

Mon 28/7

16:20-15:00

2 stops28h 40m

London Gatwick

Mon 4/8

11:35-13:25

1 stop19h 50m

฿26,508

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

฿27,770

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Mon 28/7

18:25-15:00

2 stops26h 35m

London Gatwick

Mon 4/8

11:35-17:15

2 stops23h 40m

฿28,418

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 26/8

23:05-20:30

1 stop27h 25m

London Heathrow

Tue 2/9

22:10-17:50

1 stop37h 40m

฿30,780

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 13/9

20:00-12:35

2 stops22h 35m

London Gatwick

Fri 19/9

10:05-11:15

2 stops19h 10m

฿32,625

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 15/12

15:35-17:30

1 stop32h 55m

London Heathrow

Mon 29/12

21:00-15:25

2 stops35h 25m

฿32,820

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 13/9

11:55-06:55

2 stops25h 00m

London Gatwick

Fri 19/9

11:25-13:45

2 stops20h 20m

฿33,273

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 13/9

20:00-12:25

2 stops22h 25m

London Heathrow

Fri 19/9

16:50-19:10

2 stops20h 20m

฿33,855

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Fri 12/9

14:35-15:20

2 stops30h 45m

London Heathrow

Mon 22/9

10:00-13:45

2 stops21h 45m

฿34,664

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 27/8

18:50-18:05

2 stops29h 15m

London Heathrow

Wed 3/9

22:10-17:50

1 stop37h 40m

฿34,729

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 40 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 14 July 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.

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 14 July 2025.
Check out reviews from past customers who have flown with EVA Air, Korean Air, andChina Airlines 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.
EVA Air
8.4
Very Good
1,214 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,214 reviews
EVA Air
8.4
Very Good
1,214 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very Good
1,109 reviews
EVA Air
8.4
Very Good
1,214 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very Good
744 reviews
EVA Air
8.4
Very Good
1,214 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very Good
454 reviews
EVA Air
8.4
Very Good
1,214 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very Good
3,284 reviews
EVA Air
8.4
Very Good
1,214 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • What are the cheapest airlines flying from Chiang Mai to London round-trip?

    Currently priced at ฿26,508, China Eastern will fly you from Chiang Mai to London and back. In addition to China Eastern, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air China and Emirates - these airlines can fly you to your destination from ฿27,770 and ฿32,625, respectively. China Eastern is 13% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Chiang Mai to London one-way?

    For one-way options, check prices for China Eastern. According to our data, you can fly for as low as ฿12,073. Users have also found prices from ฿12,493 and ฿15,795 on Air China and Thai Airways, respectively.

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

    While some choose either Chiang Mai - London City or Chiang Mai - London Heathrow, Chiang Mai - London Gatwick 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 ฿1,025). 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

Travelling to a place near London?

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

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Fly from Chiang Mai to London on these airlines

Choose from the following airlines for your flight from Chiang Mai to London. Flights are based on user searches made on Cheapflights and were last updated on 14 July 2025.
Thai Airways flights from Chiang Mai to London

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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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