£142 Cheap Flights from Chiang Mai (CNX) to Seoul (ICN)

Popular airlines from Chiang Mai Intl. Airport (CNX) to Incheon Intl. Airport (ICN)

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Cheap Flights from Chiang Mai (CNX) to Seoul (ICN)

Prices were available within the past 7 days and start at £142 for one-way flights and £248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
China Southern Airlines
China Eastern Airlines
China Eastern Airlines
China Southern Airlines
China Southern Airlines
China Southern Airlines
Air China
Hahn Air Systems
EVA Airways

Find the cheapest month to fly from Chiang Mai (CNX) to Seoul (ICN)

June is typically the cheapest month to fly

From £185 - £275 per traveller.

Graph displaying average flight prices per month

Flight from Chiang Mai to Seoul route information
Origin airport
Chiang Mai Intl.
Destination airport
Incheon Intl.
Airlines serving
Air China, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, EVA Airways, Hahn Air Systems, Korean Air, Malaysia Airlines, Scoot, Thai Airways International
Return price
£247
Distance
3360 km
Average flight time
7 hours 16 mins

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

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chiang Mai to Seoul. Operating between them 8 flights per day, 20 airlines cover the route. And Thai Airways International, Delta Air Lines, Korean Air, Eastar Jet, Asiana Airlines, Jin Air fly direct, getting you to Incheon Intl. in just 9hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Chiang Mai Intl. to Incheon 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 Chiang Mai Intl. (CNX) to Incheon Intl. (ICN)

The easiest way to view the best deals on flights from Chiang Mai to Seoul 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 Chiang Mai Intl. to Incheon Intl. start at just £248 and range up to £353.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Chiang Mai Intl. to Incheon 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.  

Frequently asked questions

How much is a flight from Chiang Mai Intl. Airport (CNX) to Incheon Airport?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Chiang Mai Airport to Incheon Intl. Airport (ICN) start from £248. Make your booking today to score the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Chiang Mai Airport to Incheon Intl. Airport (ICN)?
This can vary between air carriers, as each one has its own terms and conditions. Head to the Customer Service Portal, where you'll find easy instructions on how to cancel online.
How do I find cheap flights from Chiang Mai Airport to Seoul–Incheon Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Chiang Mai Airport to Incheon Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from CNX to Incheon Airport?
It's around 3,400 kilometres between Chiang Mai and South Korea, so you'll be in your seat for a while. Keep yourself entertained with things like playing cards (if you're travelling with friends) or a good old-fashioned book.
Which airlines fly direct from CNX to Seoul–Incheon Intl. Airport?
Operating 17 flights every month, Korean Air (KE) is a popular choice when flying straight from CNX to Seoul–Incheon Intl. Airport.
Are CNX to Incheon Intl. Airport (ICN) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from CNX to Seoul–Incheon Intl. Airport can be hit-or-miss. You may be able to score a great bargain, but you could also completely miss out! If you'd rather start planning your trip early, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines issue their prices so far in advance. Our suggestion? Check back often as updates are made regularly.

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