CNX - LHR

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Everything you should know

Nonstop flights
Not available
There are currently no direct flights between Chiang Mai and London Heathrow Airport. You'll need to take a connecting flight to reach the destination.
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When to travel
November
Cheapest • 28% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Beijing Capital (PEK)
Cheapest • Avg $776 (round-trip)
Bangkok Suvarnabhumi (BKK)
Shortest trip • 15h 45m (one-way)
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Cheap Flights from Chiang Mai to London (CNX-LHR)

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

Recent round-trip flight deals from Chiang Mai to London

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CNX  Chiang Mai-LHR London Heathrow Airport
5598 mimulti-stop
Multiple Airlines Logo
LHR  London Heathrow Airport-CNX Chiang Mai
5598 mimulti-stop
Multiple Airlines
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Chiang Mai to London Heathrow Airport with more confidence.

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

Wednesday is the cheapest day of the week to fly from Chiang Mai to London Heathrow Airport, it is 22% cheaper than the average day. Friday is the most expensive day with flight prices 16% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Chiang Mai to London Heathrow Airport flights

Low season

September
Best time to beat the crowds but there is an average 37% increase in price.
Most popular time to fly with an average 8% increase in price.

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 round-trip price

Your Chiang Mai to London Heathrow Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Where do flights with one stopover between Chiang Mai to Heathrow usually stop?

    Thai Airways flights usually stop in Bangkok. Korean Air flights generally stop in Seoul at Incheon Airport (ICN) and EVA Air flights also stop in Bangkok. You can also find flights with Singapore Airlines that stop at Singapore Changi Aiport (SIN). Some China Eastern flights have a single stopover in Shanghai (PVG) while most Cathay Pacific flights have two stops, although some include a single stopover in Hong Kong (HKG).

  • How much checked luggage can I bring on flights to Chiang Mai?

    Korean Air allows you to bring 23 kg on an Economy ticket. Qatar Airways allows 20 kg, 25 kg, 30 kg or 35 kg, depending on the type of Economy fare you choose. Thai Airways lets you bring 20 kg of checked luggage on their Standard Economy fare. Singapore Airlines lets you bring 25 kg on their Value and Lite fares and 30 kg on their Flexi and Standard fares.

  • How much carry-on luggage can I bring on flights to London?

    Korean Air allows you to bring 10 kg of carry on luggage spread across your suitcase and personal bag. Most other airlines let passengers bring up to 7 kg of carry on luggage, plus a small personal item. This item usually isn't weighed, but it generally can't be larger than 40 x 30 x 10 cm.

  • Which lounges can I use at Chiang Mai Airport (CNX)?

    Chiang Mai Airport has a number of lounges available. Bangkok Airways has two lounges in the Domestic Terminal. Thai Airways has lounges in the domestic and international terminals. You can also spend time at the Coral Executive Lounge. There's one in each terminal and they're open to all passengers for an additional fee.

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

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

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

    Only Economy Class is available on flights from Chiang Mai to London Heathrow Airport.

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

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

    • Abu Dhabi Zayed Intl (AUH) - 40% of one-stop connections
    • Bangkok Suvarnabhumi (BKK) - 35% of one-stop connections
    • Beijing Capital (PEK) - 16% of one-stop connections
    • Hong Kong Intl (HKG) - 6% of one-stop connections

    Abu Dhabi Zayed Intl (AUH) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 33% on the Chiang Mai to London Heathrow Airport route. Wednesday is the cheapest departure day at $788 round-trip on average, while Friday is the most expensive at $1,173, a difference of $385. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London Heathrow Airport on KAYAK.

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

    A nonstop flight from Chiang Mai to London Heathrow Airport takes 0h 00m, covering 5,598 miles.

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

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

    Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time at 15h 45m, compared with 16h 49m via Abu Dhabi Zayed Intl (AUH) and 21h 28m via Beijing Capital (PEK).

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

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

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:
    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · Hertz

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

    Round-trip flights from Chiang Mai to London Heathrow Airport range from $794 to $1,160, with an average of $1,009 over the past 12 months. Anything below $794 counts as a good deal.

Your guide to booking Chiang Mai to London Heathrow Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Friday. On this route, Wednesday flights average $788 - about $385 less than Friday (33% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Chiang Mai to London Heathrow Airport trip for November. Fares historically average $727 round-trip in that month - typically $1,345 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, check out these hotels close to London Heathrow Airport.
    - Hilton London Heathrow Airport
  • If you need special assistance on this route, make sure to contact your airline at least 48 hours in advance. As there are some self-transfer routes with multiple airlines, check to see if you need to contact both airlines.
  • While there are many flights from Chiang Mai to London Heathrow Airport (LHR) with a single stopover, you can also find flights with two stopovers that are cheaper. Most stop in Bangkok (BKK) first. Oman Air flights then stop in Muscat and Etihad Airways flights stop in Abu Dhabi (AUH). Bangkok Airways and Austrian Airlines partner for a route that stops in Bangkok and Vienna (VIE)
  • After landing at London Heathrow Airport, you can head into Central London on the Heathrow Express. It takes around 15 minutes to arrive at London Paddington Station. Alternatively, you can take the Elizabeth Line train which takes slightly longer but is also cheaper.
  • If you fly with Emirates or Qatar Airways, you can use their stopover services on your second stopover in Dubai (DXB) or Doha (DOH). This service includes a stay at a luxury hotel and optional tours. If you have to book a long stopover with Emirates, you may be able to access this service for free.
  • If you have a stopover in Bangkok, make sure you check your ticket carefully. Some of these flights may depart from the Domestic Terminal in Chiang Mai, instead of the international one. This may also mean you'll need to go through a security check when you enter the International Terminal in Bangkok.

Everything you need to know for your flight from Chiang Mai to London

Information on your arrival and departure airports

Chiang Mai (CNX)
Heathrow (LHR)