Cheap Flights from Seoul (ICN) to Chiang Mai (CNX) from HK$704~

View HK$704 flight on Tue, 19 Aug 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$704 for one-way flights and HK$1,614 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air with Bag
Thu, 11 Sep - Thu, 25 Sep
ICN
Seoul
CNX
Chiang Mai
HK$1,614 Return, found 21 hours ago
HK$1,614
Return
found 21 hours ago
Select Jeju Air with Bag flight, departing Thu, 11 Sep from Seoul to Chiang Mai, returning Thu, 25 Sep, priced at HK$1,614 found 21 hours ago
China Southern Airlines
Sat, 9 Aug - Thu, 14 Aug
ICN
Seoul
CNX
Chiang Mai
HK$1,713 Return, just found
HK$1,713
Return
just found
Select China Southern Airlines flight, departing Sat, 9 Aug from Seoul to Chiang Mai, returning Thu, 14 Aug, priced at HK$1,713 just found
Jeju Air with Bag
Thu, 11 Sep - Thu, 18 Sep
ICN
Seoul
CNX
Chiang Mai
HK$1,734 Return, found 1 day ago
HK$1,734
Return
found 1 day ago
Select Jeju Air with Bag flight, departing Thu, 11 Sep from Seoul to Chiang Mai, returning Thu, 18 Sep, priced at HK$1,734 found 1 day ago
AirAsia X
Sat, 22 Nov - Wed, 26 Nov
ICN
Seoul
CNX
Chiang Mai
HK$1,784 Return, found 10 hours ago
HK$1,784
Return
found 10 hours ago
Select AirAsia X flight, departing Sat, 22 Nov from Seoul to Chiang Mai, returning Wed, 26 Nov, priced at HK$1,784 found 10 hours ago
AirAsia X
Sun, 26 Oct - Tue, 4 Nov
ICN
Seoul
CNX
Chiang Mai
HK$1,813 Return, found 5 days ago
HK$1,813
Return
found 5 days ago
Select AirAsia X flight, departing Sun, 26 Oct from Seoul to Chiang Mai, returning Tue, 4 Nov, priced at HK$1,813 found 5 days ago
JIN AIR
Mon, 8 Sep - Wed, 17 Sep
ICN
Seoul
CNX
Chiang Mai
HK$1,841 Return, found 2 days ago
HK$1,841
Return
found 2 days ago
Select JIN AIR flight, departing Mon, 8 Sep from Seoul to Chiang Mai, returning Wed, 17 Sep, priced at HK$1,841 found 2 days ago
AirAsia X
Sat, 22 Nov - Wed, 26 Nov
ICN
Seoul
CNX
Chiang Mai
HK$1,845 Return, found 10 hours ago
HK$1,845
Return
found 10 hours ago
Select AirAsia X flight, departing Sat, 22 Nov from Seoul to Chiang Mai, returning Wed, 26 Nov, priced at HK$1,845 found 10 hours ago
Jeju Air with Bag
Wed, 20 Aug - Mon, 25 Aug
ICN
Seoul
CNX
Chiang Mai
HK$1,851 Return, found 1 day ago
HK$1,851
Return
found 1 day ago
Select Jeju Air with Bag flight, departing Wed, 20 Aug from Seoul to Chiang Mai, returning Mon, 25 Aug, priced at HK$1,851 found 1 day ago
Jeju Air with Bag
Tue, 19 Aug - Sun, 24 Aug
ICN
Seoul
CNX
Chiang Mai
HK$1,873 Return, found 21 hours ago
HK$1,873
Return
found 21 hours ago
Select Jeju Air with Bag flight, departing Tue, 19 Aug from Seoul to Chiang Mai, returning Sun, 24 Aug, priced at HK$1,873 found 21 hours ago
Thai AirAsia X
Mon, 18 Aug - Fri, 22 Aug
ICN
Seoul
CNX
Chiang Mai
HK$1,875 Return, found 6 days ago
HK$1,875
Return
found 6 days ago
Select Thai AirAsia X flight, departing Mon, 18 Aug from Seoul to Chiang Mai, returning Fri, 22 Aug, priced at HK$1,875 found 6 days ago

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

March is typically the cheapest month to fly

From HK$1,142 - HK$2,603 per traveller.

Graph displaying average flight prices per month

Seoul to Chiang Mai route information
Origin airport
Incheon Intl.
Destination airport
Chiang Mai Intl.
Airlines serving
Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, EVA Airways, Hahn Air Systems, JIN AIR, Jeju Air with Bag, Korean Air, Malaysia Airlines, Scoot, Thai Airways International
Return price
HK$1,614
Distance
3360 km
Average flight time
3 hours 44 mins

Flights from Incheon to Chiang Mai

Book cheap flights from Incheon (ICN) to Chiang Mai (CNX) 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 Incheon (ICN) to Chiang Mai (CNX) 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 Incheon (ICN) to Chiang Mai (CNX) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

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

If you would like to book flights to Chiang Mai more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Chiang Mai is HK$704 now!

 

Frequently asked questions

How much is a flight from ICN to Chiang Mai Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between Incheon Intl. Airport (ICN) and CNX was HK$1,614. Fares this good don't last long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Incheon Intl. Airport (ICN) to CNX?
We understand that your situation can change unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Incheon Airport to Chiang Mai Intl. Airport (CNX) 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 Incheon Intl. Airport (ICN) to CNX flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Incheon Airport to Chiang Mai Intl. Airport (CNX)?
It's around 3,400 kilometers between South Korea and Chiang Mai, so you'll be strapped into your seat for a while. Keep yourself entertained by packing things like playing cards (if you're traveling with friends) or a gripping book.
Which airlines fly direct from Incheon Intl. Airport (ICN) to CNX?
A favorite with many frequent travelers, Korean Air (KE) offers 17 monthly flights from Incheon Airport to Chiang Mai Intl. Airport (CNX). Pick the one that fits in with your travel plans and book your fare today.
Are Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Incheon Airport to Chiang Mai Airport can be hit-or-miss. It is possible to score a bargain, but then again, you could miss out entirely! If you'd rather play it safe and start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines release their prices so far in advance. Our top tip? Check back often as updates are made regularly.

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