LON - CNX

฿14,255 Find Cheap Flights from London to Chiang Mai – Compare and Save

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Everything you should know

Cheapest return flight
฿18,582
Typical prices: ฿23,640-฿40,294
Air China
Wed 28/11Sat 15/12
LHR - CNX • 1 stop
Cheapest one-way flight
฿14,255
Typical prices: ฿14,697-฿25,528
Multiple Airlines
Tue 27/11
LHR - CNX • 2 stops
Direct flights
Not available
There are currently no direct flights between London and Chiang Mai. You'll need to take a connecting flight to reach the destination.
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Top routes
LGW - CNX
Cheapest • 22% average savings
LHR - CNX
Most popular
Insights
Insights
When to book
20 weeks
in advance
Our data shows that travellers who book at least 20 weeks in advance save around 24% 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
Guangzhou Baiyun (CAN)
Cheapest • Avg ฿21,978 (return)
Abu Dhabi Zayed Intl (AUH)
Shortest trip • 15h 56m (one-way)
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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!
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Flight Deals

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

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

Recent return flight deals from London to Chiang Mai

Sun 29 Nov - Sat 12 Dec
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
฿18,582Air China
Mon 30 Nov - Sat 12 Dec
Air China Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
Air China Logo
23:05 - 17:50CNX  Chiang Mai-LHR London Heathrow
25h 45m1 stop Beijing Capital
฿18,582Air China
Sun 29 Nov - Sun 13 Dec
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
฿18,582Air China
Mon 2 Nov - Mon 16 Nov
Air China Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
Air China Logo
23:05 - 17:50CNX  Chiang Mai-LHR London Heathrow
25h 45m1 stop Beijing Capital
฿18,582Air China
Mon 30 Nov - Sun 13 Dec
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
฿18,582Air China
Wed 2 Dec - Sun 13 Dec
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
฿18,582Air China
Tue 1 Dec - Thu 17 Dec
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
฿18,582Air China
Sat 28 Nov - Sun 13 Dec
Air China Logo
20:25 - 21:50LHR  London Heathrow-CNX Chiang Mai
18h 25m1 stop Beijing Capital
Air China Logo
23:05 - 15:55CNX  Chiang Mai-LHR London Heathrow
23h 50m1 stop Beijing Capital
฿18,582Air China
Sun 29 Nov - Tue 15 Dec
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
฿18,582Air China
Wed 2 Dec - Thu 17 Dec
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
฿18,582Air China
Booking Insights

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

Return flights from London to Chiang Mai typically range from ฿23,640 to ฿40,294. The lowest price found in the past 5 days was ฿18,582 on Air China.

What is the cheapest London to Chiang Mai flight route?

London Gatwick Airport (LGW) to Chiang Mai (CNX) is the cheapest London to Chiang Mai route, averaging ฿24,044 return. Other London to Chiang Mai routes average ฿32,754, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from London 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 to Chiang Mai. It’s 3% cheaper than the average day, while Saturday is the most expensive, with prices 10% higher.

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

•May is the cheapest month to fly from London to Chiang Mai at ฿24,217 return.
•December (฿44,509) and July (฿43,671) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 83% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from London to Chiang Mai the cheapest?

Flights from London to Chiang Mai are cheapest 20 weeks before departure. Booking in this window typically costs about 24% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for London to Chiang Mai flights

Low season

August

Cheapest flight

฿14,255
Beat the crowds with an average 41% drop in traveller numbers.
The most popular month to fly with an average 51% increase in traveller numbers.
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 return price

Your London 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 to Chiang Mai?

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

    • Economy class
    • Premium Economy Class
    • First Class

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

    A direct flight from London to Chiang Mai takes 00m, covering 14,462 km.

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

    Return flights from London to Chiang Mai range from ฿23,640 to ฿40,294, with an average of ฿30,808 over the past 12 months. Anything below ฿23,640 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 14% above the ฿30,808 route average. Book 20 weeks before departure for the lowest fares.

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

    One-way fares from London to Chiang Mai are currently lower than usual. Average one-way flight prices are about ฿14,778, which is 23% 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
    • Yesaway
    • ASAP Car Rentals

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

    Flights from London to Chiang Mai may depart from 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). Flights usually arrive at Chiang Mai (CNX).

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

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

    • Bangkok Suvarnabhumi (BKK) – 30% of one-stop connections
    • Shanghai Pu Dong (PVG) – 24% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) – 21% of one-stop connections
    • Beijing Capital (PEK) – 18% of one-stop connections

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

    Yes. Flexible dates can save you up to 12% on flights from London to Chiang Mai. Wednesday is the cheapest departure day at ฿30,154 return on average, while Saturday is the most expensive at ฿34,045, a difference of ฿3,891.

    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 to Chiang Mai?

    Flying via Abu Dhabi Zayed Intl (AUH) gives the shortest average 1-stop total travel time of 15h 56m, compared to 16h 06m via Bangkok Suvarnabhumi (BKK) and 19h 35m via Guangzhou Baiyun (CAN).

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

    Chiang Mai is 6 hours ahead of London (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, Chiang Mai Gate, and Chang Puak Gate. These are among the most viewed places in Chiang Mai on KAYAK.

  • Can I fly non-stop from London to Chiang Mai?

    There are no non-stop flights available from London airports to Chiang Mai International Airport. When you fly with multiple airlines from London Heathrow, your flight will often involve a single stopover in Bangkok. Similarly, when you book with Turkish Airlines from London Gatwick or London Stansted, you will need to make two stopovers before you reach your destination.

  • Is parking available at London airports?

    Both short and long-stay parking is available at all five of London’s major airports. If you are flying to Chiang Mai from Heathrow, you will find short-stay parking directly connected to the airport terminals and a free shuttle service to take you from the long-stay car park to the airport. This shuttle takes around 10min.

  • Is transport available at Chiang Mai Airport?

    There are a number of convenient ways that passengers arriving at Chiang Mai International Airport can travel to the city. Passengers can make use of shuttle minibuses, which are available outside the airport entrance and cost ฿40 (less than £1). The journey to the city centre by bus takes around 30min. Passengers can also take a taxi from the airport. It takes around 10min to reach Chiang Mai city centre by taxi and costs ฿150 (around £3).

  • Is on-site accommodation available at Chiang Mai Airport?

    There are no on-site hotels available inside the airport at Chiang Mai. However, there are plenty of hotels very nearby in the surrounding area. Passengers can choose to stay at hotels such as the 3B Boutique Hotel, which is just a short drive from the airport.

Your guide to booking London 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 Saturday. On this route, Wednesday flights average ฿30,154, about ฿3,891 less than Saturday fares (11% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 24% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London to Chiang Mai trip for May. Fares historically average ฿24,217 return in that month – typically ฿20,293 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
    • De Lanna Hotel
  • London’s five major airports are all busy international travel hubs. This means there may be long queues at security or at check-in points. To bypass the crowds, passengers flying through London Heathrow, London Gatwick, London Stansted, and London Luton can pay extra to use Fast-Track Check-In options. These cost around £13 at Heathrow and £5 elsewhere. There is no fast-track option available at London City Airport.
  • Passengers flying First or Business Class to Chiang Mai with Turkish Airlines from London Gatwick can pay to use the No1 Lounge located in Gatwick’s South Terminal. The lounge costs between £30-40 for a short stay and offers passengers a relaxing place to unwind before their flight. Food and drinks are also served in this area.
  • Want to exchange or withdraw cash when you arrive at Chiang Mai Airport? International banks offering ATMs and currency exchange services are available throughout Chiang Mai Airport. Passengers arriving at Chiang Mai can make use of the Siam Commercial Bank, which is located at the exit gateway of Arrivals.
  • A medical centre is available inside Chiang Mai Airport for anyone who requires medical treatment or advice on minor ailments when they travel. The medical centre is located inside the walkway, which connects Domestic Terminal 2 with the International Terminal. The pharmacy offers 24h service.
  • Flying with kids? If you’re departing from London Heathrow, you will find a children’s play area in the Terminal 2 Departure Lounge near Gate 16. Nursing facilities and infant changing rooms are also located throughout each of Heathrow’s main departure terminals.

More options for your flight from London 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