Thailand
THB

LHR - CNX

฿13,927 Find Cheap Flights from London Heathrow Airport to Chiang Mai – Compare and Save

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Everything you should know

Cheapest return flight
฿18,458
Typical prices: ฿26,757-฿41,248
Air China
Fri 26/10Sat 24/11
LHR - CNX • 1 stop
Cheapest one-way flight
฿13,927
Typical prices: ฿15,911-฿26,234
China Eastern
Mon 26/11
LHR - CNX • 1 stop
Direct flights
Not available
There are currently no direct flights between London Heathrow Airport and Chiang Mai. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
15 weeks
in advance
Our data shows that travellers who book at least 15 weeks in advance save around 11% compared to booking last minute.
Insights
Insights
When to travel
May
Cheapest • 21% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Shanghai Pu Dong (PVG)
Cheapest • Avg ฿22,935 (return)
Bangkok Suvarnabhumi (BKK)
Shortest trip • 16h 04m (one-way)
Insights
Insights
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Chiang Mai!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Heathrow to Chiang Mai (LHR-CNX)

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

Recent return flight deals from Heathrow to Chiang Mai

Mon 26 Oct - Tue 24 Nov
Air China Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
Air China Logo
18:10 - 17:50CNX  Chiang Mai-LHR London Heathrow
30h 40m1 stop Beijing Capital
฿18,458Air China
Sat 14 Nov - Sat 21 Nov
Air China Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
Air China Logo
23:05 - 15:55CNX  Chiang Mai-LHR London Heathrow
23h 50m1 stop Beijing Capital
฿18,458Air China
Mon 26 Oct - Mon 23 Nov
Air China Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
Air China Logo
18:10 - 17:50CNX  Chiang Mai-LHR London Heathrow
30h 40m1 stop Beijing Capital
฿18,458Air China
Tue 27 Oct - Sun 22 Nov
Air China Logo
20:25 - 21:50LHR  London Heathrow-CNX Chiang Mai
18h 25m1 stop Beijing Capital
Air China Logo
23:05 - 17:50CNX  Chiang Mai-LHR London Heathrow
25h 45m1 stop Beijing Capital
฿18,458Air China
Tue 27 Oct - Mon 23 Nov
Air China Logo
20:25 - 21:50LHR  London Heathrow-CNX Chiang Mai
18h 25m1 stop Beijing Capital
Air China Logo
18:10 - 17:50CNX  Chiang Mai-LHR London Heathrow
30h 40m1 stop Beijing Capital
฿18,458Air China
Mon 26 Oct - Tue 24 Nov
Air China Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
Air China Logo
18:10 - 15:55CNX  Chiang Mai-LHR London Heathrow
28h 45m1 stop Beijing Capital
฿18,491Air China
Tue 27 Oct - Tue 24 Nov
Air China Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
Air China Logo
18:10 - 15:55CNX  Chiang Mai-LHR London Heathrow
28h 45m1 stop Beijing Capital
฿18,491Air China
Sun 25 Oct - Mon 23 Nov
Air China Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
Air China Logo
18:10 - 15:55CNX  Chiang Mai-LHR London Heathrow
28h 45m1 stop Beijing Capital
฿18,491Air China
Tue 27 Oct - Thu 19 Nov
Air China Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
Air China Logo
23:05 - 15:55CNX  Chiang Mai-LHR London Heathrow
23h 50m1 stop Beijing Capital
฿18,491Air China
Mon 9 Nov - Wed 25 Nov
China Eastern Logo
21:00 - 14:20LHR  London Heathrow-CNX Chiang Mai
34h 20m1 stop Shanghai Pu Dong
China Eastern Logo
15:35 - 17:30CNX  Chiang Mai-LHR London Heathrow
32h 55m1 stop Shanghai Pu Dong
฿18,659China Eastern
Booking Insights

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

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

How much is a return flight from London Heathrow Airport to Chiang Mai?

Return flights from London Heathrow Airport to Chiang Mai typically range from ฿26,757 to ฿41,248. The lowest price found in the past 5 days was ฿18,458 on Air China.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from London Heathrow Airport to Chiang Mai. It’s 11% cheaper than the average day, while Sunday is the most expensive, with prices 3% higher.

What is the cheapest month to fly from London Heathrow Airport to Chiang Mai?

•May is the cheapest month to fly from London Heathrow Airport to Chiang Mai at ฿26,781 return.
•December (฿44,601) and July (฿44,299) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 66% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from London Heathrow Airport to Chiang Mai the cheapest?

Flights from London Heathrow Airport to Chiang Mai are cheapest 15 weeks before departure. Booking in this window typically costs about 11% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for London Heathrow Airport to Chiang Mai flights

Low season

August

Cheapest flight

฿13,927
Beat the crowds with an average 60% drop in traveller numbers.
The most popular month to fly with an average 78% increase in traveller numbers.
One-way flight from London Heathrow Airport to Chiang Mai

When to book flights from Heathrow to Chiang Mai

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

Your London Heathrow Airport to Chiang Mai 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 London Heathrow Airport to Chiang Mai?

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

    • Economy class
    • Premium Economy Class
    • First Class

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

    A direct flight from London Heathrow Airport to Chiang Mai takes 00m, covering 14,499 km.

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

    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 London Heathrow Airport to Chiang Mai flight?

    Return flights from London Heathrow Airport to Chiang Mai range from ฿26,757 to ฿41,248, with an average of ฿33,731 over the past 12 months. Anything below ฿26,757 counts as a good deal.

  • How expensive are last-minute London Heathrow Airport to Chiang Mai flights?

    Last-minute fares on this route (booked within two weeks of departure) run 4% above the ฿33,731 route average. Book 15 weeks before departure for the lowest fares.

  • Have flight prices from London Heathrow Airport to Chiang Mai changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿18,458 to ฿173,553. That means the highest observed fare was about 9x higher than the lowest one.

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

    One-way fares from London Heathrow Airport to Chiang Mai are currently lower than usual. Average one-way flight prices are about ฿14,202, which is 33% below the typical average for this route.

  • Which car hire options are available at Chiang Mai Airport (CNX)?

    Chiang Mai Airport (CNX) hosts 5 major car rental companies, with daily rates starting from around ฿417 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Hertz
    • Yesaway

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

    Flights from London Heathrow Airport to Chiang Mai usually depart from London Heathrow (LHR) and arrive at Chiang Mai (CNX).

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

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

    • Bangkok Suvarnabhumi (BKK) – 44% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) – 27% of one-stop connections
    • Beijing Capital (PEK) – 20% of one-stop connections
    • Kuala Lumpur Intl (KUL) – 3% of one-stop connections

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

    Yes. Flexible dates can save you up to 14% on flights from London Heathrow Airport to Chiang Mai. Wednesday is the cheapest departure day at ฿30,137 return on average, while Sunday is the most expensive at ฿35,003, a difference of ฿4,866.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time of 16h 04m, compared to 16h 11m via Abu Dhabi Zayed Intl (AUH) and 20h 32m via Hong Kong Intl (HKG).

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

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

  • What popular places can I visit in Chiang Mai?

    Some of the most popular sights in Chiang Mai are Tha Phae Gate, Chang Puak Gate, and Chiang Mai Gate. These are among the most viewed places in Chiang Mai on KAYAK.

Your guide to booking London Heathrow Airport to Chiang Mai 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 Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average ฿30,137, about ฿4,866 less than Sunday fares (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 11% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Heathrow Airport to Chiang Mai trip for May. Fares historically average ฿26,781 return in that month – typically ฿17,820 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Chiang Mai Airport.

    • Le Naview @Prasingh
    • Bodhi Serene, Chiang Mai
    • 99 The Gallery Hotel

More options for your flight from Heathrow to Chiang Mai

Complete your trip to Chiang Mai with a hotel stay or car hire

Car rentals in Chiang Mai
Hotels in Chiang Mai