Cheap Flights from Chiang Mai (CNX) to Seoul (ICN) from HK$1,017~

View HK$1,017 flight on Sat, 27 Sep 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$1,017 for one-way flights and HK$1,984 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Thu, 18 Sep - Wed, 24 Sep
CNX
Chiang Mai
ICN
Seoul
HK$1,984 Return, found 4 days ago
HK$1,984
Return
found 4 days ago
Select Thai AirAsia flight, departing Thu, 18 Sep from Chiang Mai to Seoul, returning Wed, 24 Sep, priced at HK$1,984 found 4 days ago
Thai AirAsia
Thu, 18 Sep - Mon, 22 Sep
CNX
Chiang Mai
ICN
Seoul
HK$1,995 Return, found 3 days ago
HK$1,995
Return
found 3 days ago
Select Thai AirAsia flight, departing Thu, 18 Sep from Chiang Mai to Seoul, returning Mon, 22 Sep, priced at HK$1,995 found 3 days ago
Thai AirAsia
Thu, 18 Sep - Wed, 24 Sep
CNX
Chiang Mai
ICN
Seoul
HK$2,430 Return, found 4 days ago
HK$2,430
Return
found 4 days ago
Select Thai AirAsia flight, departing Thu, 18 Sep from Chiang Mai to Seoul, returning Wed, 24 Sep, priced at HK$2,430 found 4 days ago
Thai AirAsia
Thu, 18 Sep - Wed, 24 Sep
CNX
Chiang Mai
ICN
Seoul
HK$2,441 Return, found 4 days ago
HK$2,441
Return
found 4 days ago
Select Thai AirAsia flight, departing Thu, 18 Sep from Chiang Mai to Seoul, returning Wed, 24 Sep, priced at HK$2,441 found 4 days ago
Thai AirAsia
Thu, 18 Sep - Mon, 22 Sep
CNX
Chiang Mai
ICN
Seoul
HK$2,443 Return, found 3 days ago
HK$2,443
Return
found 3 days ago
Select Thai AirAsia flight, departing Thu, 18 Sep from Chiang Mai to Seoul, returning Mon, 22 Sep, priced at HK$2,443 found 3 days ago
Thai AirAsia
Thu, 18 Sep - Mon, 22 Sep
CNX
Chiang Mai
ICN
Seoul
HK$2,455 Return, found 3 days ago
HK$2,455
Return
found 3 days ago
Select Thai AirAsia flight, departing Thu, 18 Sep from Chiang Mai to Seoul, returning Mon, 22 Sep, priced at HK$2,455 found 3 days ago
China Southern Airlines
Fri, 29 Aug - Mon, 8 Sep
CNX
Chiang Mai
ICN
Seoul
HK$2,625 Return, found 3 days ago
HK$2,625
Return
found 3 days ago
Select China Southern Airlines flight, departing Fri, 29 Aug from Chiang Mai to Seoul, returning Mon, 8 Sep, priced at HK$2,625 found 3 days ago
China Eastern Airlines
Sun, 14 Sep - Fri, 19 Sep
CNX
Chiang Mai
ICN
Seoul
HK$2,868 Return, found 3 days ago
HK$2,868
Return
found 3 days ago
Select China Eastern Airlines flight, departing Sun, 14 Sep from Chiang Mai to Seoul, returning Fri, 19 Sep, priced at HK$2,868 found 3 days ago
Jeju Air with Bag
Thu, 7 Aug - Fri, 8 Aug
CNX
Chiang Mai
ICN
Seoul
HK$3,003 Return, found 4 hours ago
HK$3,003
Return
found 4 hours ago
Select Jeju Air with Bag flight, departing Thu, 7 Aug from Chiang Mai to Seoul, returning Fri, 8 Aug, priced at HK$3,003 found 4 hours ago
Hahn Air Systems
Thu, 18 Sep - Wed, 24 Sep
CNX
Chiang Mai
ICN
Seoul
HK$3,162 Return, found 4 days ago
HK$3,162
Return
found 4 days ago
Select Hahn Air Systems flight, departing Thu, 18 Sep from Chiang Mai to Seoul, returning Wed, 24 Sep, priced at HK$3,162 found 4 days ago

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

June is typically the cheapest month to fly

From HK$1,945 - HK$2,887 per traveller.

Graph displaying average flight prices per month

Chiang Mai to Seoul route information
Origin airport
Chiang Mai Intl.
Destination airport
Incheon Intl.
Airlines serving
Cathay Pacific, China Eastern Airlines, China Southern Airlines, EVA Airways, JIN AIR, Korean Air, Malaysia Airlines, Scoot, Thai Airways International
Return price
HK$1,984
Distance
3360 km
Average flight time
7 hours 16 mins

Flights from Chiang Mai to Incheon

Book cheap flights from Chiang Mai (CNX) to Incheon (ICN) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Chiang Mai (CNX) to Incheon (ICN) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chiang Mai (CNX) to Incheon (ICN) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Incheon flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Incheon and things to do in Incheon for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Incheon more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Incheon is HK$1,017 now!

 

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 HK$1,984. 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 kilometers 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 traveling 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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