LHR - CNX

$420 Find Cheap Flights from London to Chiang Mai - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$598
Typical prices: $797-$1,229
China Eastern
Fri 11/2Fri 11/16
LHR - CNX • 1 stop
Cheapest one-way
$418
Typical prices: $474-$782
China Eastern
Fri 11/23
LHR - CNX • 1 stop
Nonstop 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 travelers 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 layover airports
Shanghai Pu Dong (PVG)
Cheapest • Avg $683 (round-trip)
Bangkok Suvarnabhumi (BKK)
Shortest trip • 16h 04m (one-way)
Insights
Insights
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We hope you love your trip to Chiang Mai!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent round-trip flight deals from London to Chiang Mai

Mon, Nov 2 - Mon, Nov 16
China Eastern Logo
9:00 pm - 2:20 pmLHR  London Heathrow-CNX Chiang Mai
34h 20m1 stop Shanghai Pu Dong
China Eastern Logo
1:00 pm - 5:30 pmCNX  Chiang Mai-LHR London Heathrow
35h 30m2 stops Kunming Changshui Shanghai Pu Dong
$598China Eastern
Mon, Nov 2 - Mon, Nov 16
China Eastern Logo
9:00 pm - 2:20 pmLHR  London Heathrow-CNX Chiang Mai
34h 20m1 stop Shanghai Pu Dong
China Eastern Logo
9:35 am - 5:30 pmCNX  Chiang Mai-LHR London Heathrow
38h 55m3 stops Kunming Changshui Fuzhou Shanghai Pu Dong
$598China Eastern
Sun, Nov 8 - Sun, Nov 15
China Eastern Logo
9:00 pm - 2:20 pmLHR  London Heathrow-CNX Chiang Mai
34h 20m1 stop Shanghai Pu Dong
China Eastern Logo
4:25 pm - 5:30 pmCNX  Chiang Mai-LHR London Heathrow
32h 05m2 stops Kunming Changshui Shanghai Pu Dong
$600China Eastern
Mon, Nov 2 - Mon, Nov 16
China Eastern Logo
9:00 pm - 2:20 pmLHR  London Heathrow-CNX Chiang Mai
34h 20m1 stop Shanghai Pu Dong
China Eastern Logo
9:35 am - 5:30 pmCNX  Chiang Mai-LHR London Heathrow
38h 55m3 stops Kunming Changshui Fuzhou Shanghai Pu Dong
$601China Eastern
Mon, Nov 2 - Mon, Nov 16
China Eastern Logo
9:00 pm - 2:20 pmLHR  London Heathrow-CNX Chiang Mai
34h 20m1 stop Shanghai Pu Dong
China Eastern Logo
1:00 pm - 5:30 pmCNX  Chiang Mai-LHR London Heathrow
35h 30m2 stops Kunming Changshui Shanghai Pu Dong
$601China Eastern
Sun, Nov 8 - Sun, Nov 15
China Eastern Logo
9:00 pm - 8:35 amLHR  London Heathrow-CNX Chiang Mai
28h 35m2 stops Shanghai Pu Dong Kunming Changshui
China Eastern Logo
4:25 pm - 5:30 pmCNX  Chiang Mai-LHR London Heathrow
32h 05m2 stops Kunming Changshui Shanghai Pu Dong
$604China Eastern
Wed, Nov 4 - Wed, Nov 11
China Eastern Logo
9:00 pm - 2:20 pmLHR  London Heathrow-CNX Chiang Mai
34h 20m1 stop Shanghai Pu Dong
China Eastern Logo
4:25 pm - 5:30 pmCNX  Chiang Mai-LHR London Heathrow
32h 05m2 stops Kunming Changshui Shanghai Pu Dong
$605China Eastern
Tue, Nov 17 - Sun, Nov 29
Air China Logo
5:45 pm - 9:50 pmLHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
Air China Logo
11:05 pm - 5:50 pmCNX  Chiang Mai-LHR London Heathrow
25h 45m1 stop Beijing Capital
$608Air China
Mon, Nov 2 - Tue, Feb 2
Etihad Airways Logo
8:50 am - 6:25 amLHR  London Heathrow-CNX Chiang Mai
14h 35m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:10 am - 12:05 pmCNX  Chiang Mai-LHR London Heathrow
33h 55m1 stop Abu Dhabi Zayed Intl
$802Etihad Airways
Sun, Nov 1 - Mon, Feb 1
Etihad Airways Logo
7:20 pm - 6:25 amLHR  London Heathrow-CNX Chiang Mai
28h 05m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:10 am - 6:10 pmCNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
$802Etihad Airways
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 round-trip flight from London Heathrow Airport to Chiang Mai?

Round-trip flights from London Heathrow Airport to Chiang Mai typically range from $797 to $1,229. The lowest price found in the past 5 days was $598, on China Eastern.

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’s 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 $798 round-trip.
•December ($1,329) and July ($1,320) 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.

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Key details for London Heathrow Airport to Chiang Mai flights

Low season

August

Cheapest flight

$418
Beat the crowds with an average 60% drop in travelers.
The most popular month to fly with an average 78% increase in travelers.
One-way flight from London Heathrow Airport to Chiang Mai

When to book flights from London to Chiang Mai

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

  • What cabin classes can I book on flights from London Heathrow Airport to Chiang Mai?

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

    • Economy Class
    • First Class

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

    A nonstop flight from London Heathrow Airport to Chiang Mai takes 00m, covering 5,598 miles.

  • 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?

    Round-trip flights from London Heathrow Airport to Chiang Mai range from $797 to $1,229, with an average of $1,005 over the past 12 months. Anything below $797 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 $1,005 route average. Book 15 weeks before departure for the lowest fares.

  • 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 $516, which is 18% below the typical average for this route.

  • What car rental options are available at Chiang Mai Airport (CNX)?

    Chiang Mai Airport (CNX) hosts 5 major car rental companies, with daily rates starting from around $12 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 $898 round-trip on average, while Sunday is the most expensive at $1,043, a difference of $145.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time at 16h 04m, compared with 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 Chiang Mai Night Bazaar, Tha Phae Gate and Chiang Mai International Exhibition and Convention Centre. 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 $898, about $145 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 $798 round-trip in that month - typically $531 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
    • The Inside House

More options for your flight from London to Chiang Mai

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

Car rentals in Chiang Mai
Hotels in Chiang Mai
Vacations in Chiang Mai