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£259 Cheap Flights from London (LGW) to Chiang Mai (CNX)

View £259 flight on Wed, 2 Sept 2026Opens in a new window

Popular airlines from Gatwick Airport (LGW) to Chiang Mai Intl. Airport (CNX)

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Cheap Flights from London (LGW) to Chiang Mai (CNX)

Prices were available within the past 7 days and start at £259 for one-way flights and £379 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Mon, 21 Sept - Mon, 19 Oct
LGW
London
CNX
Chiang Mai
£379 Return, found 13 hours ago
£379
Return
found 13 hours ago
Select Air China flight, departing Mon, 21 Sept from London to Chiang Mai, returning Mon, 19 Oct, priced at £379 found 13 hours ago
China Eastern Airlines
Fri, 27 Nov - Wed, 27 Jan
LGW
London
CNX
Chiang Mai
£437 Return, found 1 day ago
£437
Return
found 1 day ago
Select China Eastern Airlines flight, departing Fri, 27 Nov from London to Chiang Mai, returning Wed, 27 Jan, priced at £437 found 1 day ago
China Eastern Airlines
Fri, 18 Sept - Thu, 22 Oct
LGW
London
CNX
Chiang Mai
£442 Return, found 2 days ago
£442
Return
found 2 days ago
Select China Eastern Airlines flight, departing Fri, 18 Sept from London to Chiang Mai, returning Thu, 22 Oct, priced at £442 found 2 days ago
China Eastern Airlines
Thu, 31 Dec - Thu, 21 Jan
LGW
London
CNX
Chiang Mai
£467 Return, found 16 hours ago
£467
Return
found 16 hours ago
Select China Eastern Airlines flight, departing Thu, 31 Dec from London to Chiang Mai, returning Thu, 21 Jan, priced at £467 found 16 hours ago
China Eastern Airlines
Mon, 16 Nov - Fri, 20 Nov
LGW
London
CNX
Chiang Mai
£467 Return, found 3 hours ago
£467
Return
found 3 hours ago
Select China Eastern Airlines flight, departing Mon, 16 Nov from London to Chiang Mai, returning Fri, 20 Nov, priced at £467 found 3 hours ago
China Eastern Airlines
Wed, 28 Oct - Sat, 23 Jan
LGW
London
CNX
Chiang Mai
£471 Return, found 3 days ago
£471
Return
found 3 days ago
Select China Eastern Airlines flight, departing Wed, 28 Oct from London to Chiang Mai, returning Sat, 23 Jan, priced at £471 found 3 days ago
Air China
Mon, 31 Aug - Tue, 8 Sept
LGW
London
CNX
Chiang Mai
£473 Return, found 2 days ago
£473
Return
found 2 days ago
Select Air China flight, departing Mon, 31 Aug from London to Chiang Mai, returning Tue, 8 Sept, priced at £473 found 2 days ago
Swiss International Air Lines
Wed, 23 Sept - Wed, 28 Oct
LGW
London
CNX
Chiang Mai
£665 Return, found 10 hours ago
£665
Return
found 10 hours ago
Select Swiss International Air Lines flight, departing Wed, 23 Sept from London to Chiang Mai, returning Wed, 28 Oct, priced at £665 found 10 hours ago
China Southern Airlines
Mon, 16 Nov - Wed, 25 Nov
LGW
London
CNX
Chiang Mai
£702 Return, found 3 hours ago
£702
Return
found 3 hours ago
Select China Southern Airlines flight, departing Mon, 16 Nov from London to Chiang Mai, returning Wed, 25 Nov, priced at £702 found 3 hours ago
Gulf Air
Sun, 20 Sept - Thu, 8 Oct
LGW
London
CNX
Chiang Mai
£739 Return, found 2 days ago
£739
Return
found 2 days ago
Select Gulf Air flight, departing Sun, 20 Sept from London to Chiang Mai, returning Thu, 8 Oct, priced at £739 found 2 days ago

Alternative airports near Chiang Mai

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Chiang Mai Intl. CNX. Cheapest and Closest option available. Average driving time to city centre is 10 minutes. Flights from £567
CNX
Chiang Mai Intl.
CheapestClosest
Average driving time to city centre10 min
Flights from £567

Frequently asked questions

How much does a flight from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.) cost?
You can find cheap one-way flights from £259 and cheap return flights from £379 LGW to CNX with Expedia. One-way flights typically cost between £541 and £2846. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when LGW to CNX ticket fares go up or down.
What is the cheapest month to fly from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.)?
The cheapest months to fly from LGW to CNX are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.)?
Enter LGW to CNX and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.)?
To find a cheap flight from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.)?
There are around 20 connecting flights per day from London Gatwick (LGW) to Chiang Mai (CNX). Some common connection points include Dubai Intl. (DXB), Istanbul Airport (IST), and Hamad Intl. (DOH).
What is the earliest flight from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.)?
The earliest flight from London Gatwick (LGW) to Chiang Mai (CNX) typically departs around 5:30 AM. This service is offered by Turkish Airlines, Thai Airways International, and Bangkok Airways. This is a seasonal service active in July. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.)?
You'll generally find the most flights from London Gatwick (LGW) to Chiang Mai (CNX) on a Monday, with around 18 flights available. This gives you a good selection of options to choose from. Major airlines on this route include Turkish Airlines, Emirates, and Qatar Airways. Flight schedules are fairly consistent throughout the week, so you'll have plenty of options no matter which day you choose to travel.
What are the most popular departure times for flights from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.)?
The most popular departure times for flights from London Gatwick (LGW) to Chiang Mai (CNX) are between 9am and 12pm. Many major carriers, including Emirates, Singapore Airlines and Qatar Airways, offer flights during this window. Many travellers prefer these morning flights as they allow for a full day of travel and an evening arrival at your destination.
How long does it take to fly from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.)?
There are no nonstop flights from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.). The journey covers a distance of approximately 9,007 kilometers. If you're looking for flights with one stop, these typically take around 19 hours 48 minutes. For flights with two or more stops, you can expect a travel time of about 20 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.
Can you fly business or first class from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.)?
Yes, you can fly business class between LGW and CNX. Airlines that offer business class service on this route include:
  • Emirates
  • Turkish Airlines
  • Qatar Airways
  • Air China
  • Iberia Express
  • Helvetic Airways
How do I earn miles on a London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.) flight with Expedia?
It's easy to earn miles on a London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chiang Mai (CNX) from London (LGW)?
If you're planning to travel to Chiang Mai from Gatwick (LGW), you can fly directly into Chiang Mai Intl. (CNX) which offers international flights and connections. Some flights may connect through major hubs like Dubai Intl. (DXB), Hamad Intl. (DOH), or Istanbul Airport (IST) before reaching Chiang Mai. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.) at the last minute?
Typically, booking a last minute flight from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.) flight and hotel package?
Securing a London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.)?
If you booked your London (LGW-Gatwick) to Chiang Mai (CNX-Chiang Mai Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Gatwick
Destination airport
Chiang Mai Intl.
Airlines serving
Air China, British Airways, China Eastern Airlines, China Southern Airlines, Emirates, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Return price
£379
Distance
8954 km

Book with confidence

Compare flights from London to Chiang Mai easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Chiang Mai. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Chiang Mai Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Gatwick to Chiang Mai Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Gatwick (LGW) to Chiang Mai Intl. (CNX)

The easiest way to view the best deals on flights from London to Chiang Mai today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Gatwick to Chiang Mai Intl. start at just £379 and range up to £739.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Chiang Mai
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Chiang Mai flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Gatwick to Chiang Mai Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to Chiang Mai easily and book with confidence

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*Available to Expedia members.