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CNX - LON

£134 Find Cheap Flights from Chiang Mai to London – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£490
Typical prices: £646-£840
Etihad Airways, Air China
Fri 9/11Fri 16/11
CNX - LHR • 1 stop
Cheapest one-way flight
£134
Typical prices: £276-£479
Etihad Airways
Fri 9/11
CNX - LHR • 1 stop
Direct flights
Not available
There are currently no direct flights between Chiang Mai and London. You'll need to take a connecting flight to reach the destination.
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Top routes
CNX - LGW
Cheapest • 2% average savings
CNX - LHR
Most popular
Insights
Insights
When to travel
May
Cheapest • 9% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Beijing Capital (PEK)
Cheapest • Avg £586 (return)
Bangkok Suvarnabhumi (BKK)
Shortest trip • 16h (one-way)
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Insights
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We hope you enjoy your trip to London!
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Flight Deals

Cheap Flights from Chiang Mai to London (CNX-LON)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Chiang Mai to London

Mon, 9 Nov - Mon, 16 Nov
Multiple Airlines Logo
09:10 - 06:40CNX  Chiang Mai-LHR London Heathrow
28h 30m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
£490Multiple Airlines
Mon, 9 Nov - Mon, 16 Nov
Multiple Airlines Logo
09:10 - 06:40CNX  Chiang Mai-LHR London Heathrow
28h 30m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
21:00 - 08:35LHR  London Heathrow-CNX Chiang Mai
28h 35m2 stops Shanghai Pu Dong Kunming Changshui
£501Multiple Airlines
Mon, 9 Nov - Tue, 19 Jan
Multiple Airlines Logo
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
21:00 - 14:20LHR  London Heathrow-CNX Chiang Mai
34h 20m1 stop Shanghai Pu Dong
£512Multiple Airlines
Mon, 9 Nov - Wed, 20 Jan
Multiple Airlines Logo
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
20:25 - 21:50LHR  London Heathrow-CNX Chiang Mai
18h 25m1 stop Beijing Capital
£521Multiple Airlines
Wed, 11 Nov - Sun, 15 Nov
Etihad Airways Logo
09:10 - 12:05CNX  Chiang Mai-LHR London Heathrow
33h 55m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
13:55 - 06:25LHR  London Heathrow-CNX Chiang Mai
33h 30m1 stop Abu Dhabi Zayed Intl
£571Etihad Airways
Wed, 11 Nov - Sun, 15 Nov
Etihad Airways Logo
09:10 - 12:05CNX  Chiang Mai-LHR London Heathrow
33h 55m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
13:55 - 06:25LHR  London Heathrow-CNX Chiang Mai
33h 30m1 stop Abu Dhabi Zayed Intl
£573Etihad Airways
Tue, 22 Dec - Thu, 7 Jan
Air China Logo
23:05 - 17:50CNX  Chiang Mai-LHR London Heathrow
25h 45m1 stop Beijing Capital
Air China Logo
20:25 - 21:50LHR  London Heathrow-CNX Chiang Mai
18h 25m1 stop Beijing Capital
£628Air China
Tue, 22 Dec - Wed, 6 Jan
Air China Logo
23:05 - 17:50CNX  Chiang Mai-LHR London Heathrow
25h 45m1 stop Beijing Capital
Air China Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
£628Air China
Fri, 25 Dec - Sun, 10 Jan
Air China Logo
23:05 - 15:55CNX  Chiang Mai-LHR London Heathrow
23h 50m1 stop Beijing Capital
Air China Logo
20:25 - 21:50LHR  London Heathrow-CNX Chiang Mai
18h 25m1 stop Beijing Capital
£629Air China
Thu, 4 Mar - Sun, 14 Mar
Etihad Airways Logo
20:55 - 06:40CNX  Chiang Mai-LHR London Heathrow
16h 45m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
20:55 - 17:55LHR  London Heathrow-CNX Chiang Mai
14h 00m1 stop Abu Dhabi Zayed Intl
£689Etihad Airways
Booking Insights

Price, demand, and travel trends for Chiang Mai to London flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Chiang Mai to London flight route?

There's little price difference between Chiang Mai to London routes. They average around £750 return, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Chiang Mai to London?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Chiang Mai to London. It’s 12% cheaper than the average day, while Friday is the most expensive, with prices 32% higher.

Find deals

Key details for Chiang Mai to London flights

Low season

September

Cheapest flight

£134
The most popular month to fly with an average 48% increase in traveller numbers.
One-way flight from Chiang Mai to London Heathrow Airport

When to book flights from Chiang Mai to London

Are your dates flexible? Find out the best times to travel from Chiang Mai to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Chiang Mai to London flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Chiang Mai to London?

    Three cabin classes are available on flights from Chiang Mai to London:

    • Economy class
    • Premium Economy Class
    • Business Class

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

    A direct flight from Chiang Mai to London takes 00m, covering 5,584 miles.

  • Do I need a passport to fly from Chiang Mai to London?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Chiang Mai to London flight?

    Return flights from Chiang Mai to London range from £646 to £840, with an average of £757 over the past 12 months. Anything below £646 counts as a good deal.

  • How are flight prices from Chiang Mai to London looking right now?

    One-way fares from Chiang Mai to London are currently lower than usual. Average one-way flight prices are about £190, which is 50% below the typical average for this route.

  • What car hire options are available in London?

    Since London is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
    Near London Heathrow Airport (LHR) – daily rates from around £5:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

    Near London Gatwick Airport (LGW) – daily rates from around £6:

    • GREEN MOTION
    • DRIVALIA
    • U-Save
    • Europcar
    • Alamo

    Near London City Airport (LCY) – daily rates from around £8:

    • GREEN MOTION
    • Budget
    • Hertz
    • Avis
    • Sixt

    Near London Luton Airport (LTN) – daily rates from around £8:

    • GREEN MOTION
    • DRIVALIA
    • Alamo
    • Europcar
    • Budget

    Near London Stansted Airport (STN) – daily rates from around £7:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • U-Save

  • Which airports can I use when flying from Chiang Mai to London?

    Flights from Chiang Mai to London usually depart from Chiang Mai (CNX) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

  • Which airports do connecting flights from Chiang Mai to London pass through?

    One-stop flights from Chiang Mai to London most commonly connect through:

    • Abu Dhabi Zayed Intl (AUH) – 30% of one-stop connections
    • Bangkok Suvarnabhumi (BKK) – 28% of one-stop connections
    • Beijing Capital (PEK) – 12% of one-stop connections
    • Shanghai Pu Dong (PVG) – 12% of one-stop connections

  • Can I save money by using flexible dates for flights from Chiang Mai to London?

    Yes. Flexible dates can save you up to 34% on flights from Chiang Mai to London. Sunday is the cheapest departure day at £671 return on average, while Friday is the most expensive at £1,004, a difference of £334.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different stopover airport from Chiang Mai to London?

    Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time of 16h, compared to 16h 49m via Abu Dhabi Zayed Intl (AUH) and 20h 57m via Singapore Changi (SIN).

  • What is the time difference between Chiang Mai and London?

    London is 6 hours behind Chiang Mai (British Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London?

    Some of the most popular sights in London are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London on KAYAK.

Your guide to booking Chiang Mai to London flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Friday. On this route, Sunday flights average £671, about £334 less than Friday fares (33% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Chiang Mai to London trip for May. Fares historically average £691 return in that month – typically £444 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near London City Airport

    • Good Hotel London
    • Aloft London Excel
    • Novotel London Excel

    Near London Heathrow Airport

    • Hilton London Heathrow Airport

    Near London Gatwick Airport

    • Premier Inn London Gatwick Airport

More options for your flight from Chiang Mai to London

Complete your trip to London with a hotel stay or car hire

Car hire in London
Hotels in London
Holidays in London