₩181,946 Cheap Flights from Chiang Mai (CNX) to Seoul (ICN)

View ₩181,946 flight on Sat, Nov 22, 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ₩181,946 for one-way flights and ₩356,001 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Wed, May 13 - Wed, Jul 22
CNX
Chiang Mai
ICN
Seoul
₩356,001 Roundtrip, found 6 days ago
₩356,001
Roundtrip
found 6 days ago
Select Thai AirAsia flight, departing Wed, May 13 from Chiang Mai to Seoul, returning Wed, Jul 22, priced at ₩356,001 found 6 days ago
Thai AirAsia
Wed, Jun 10 - Thu, Jun 18
CNX
Chiang Mai
ICN
Seoul
₩357,406 Roundtrip, found 5 days ago
₩357,406
Roundtrip
found 5 days ago
Select Thai AirAsia flight, departing Wed, Jun 10 from Chiang Mai to Seoul, returning Thu, Jun 18, priced at ₩357,406 found 5 days ago
Thai AirAsia
Thu, Mar 5 - Thu, Mar 19
CNX
Chiang Mai
ICN
Seoul
₩359,099 Roundtrip, found 3 days ago
₩359,099
Roundtrip
found 3 days ago
Select Thai AirAsia flight, departing Thu, Mar 5 from Chiang Mai to Seoul, returning Thu, Mar 19, priced at ₩359,099 found 3 days ago
China Southern Airlines
Mon, Nov 17 - Tue, Nov 25
CNX
Chiang Mai
ICN
Seoul
₩474,000 Roundtrip, found 1 day ago
₩474,000
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Mon, Nov 17 from Chiang Mai to Seoul, returning Tue, Nov 25, priced at ₩474,000 found 1 day ago
China Eastern Airlines
Wed, Nov 26 - Wed, Dec 3
CNX
Chiang Mai
ICN
Seoul
₩513,300 Roundtrip, found 5 days ago
₩513,300
Roundtrip
found 5 days ago
Select China Eastern Airlines flight, departing Wed, Nov 26 from Chiang Mai to Seoul, returning Wed, Dec 3, priced at ₩513,300 found 5 days ago
Air China
Tue, Nov 18 - Mon, Dec 1
CNX
Chiang Mai
ICN
Seoul
₩527,000 Roundtrip, found 1 day ago
₩527,000
Roundtrip
found 1 day ago
Select Air China flight, departing Tue, Nov 18 from Chiang Mai to Seoul, returning Mon, Dec 1, priced at ₩527,000 found 1 day ago
Jeju Air
Sun, Nov 9 - Sun, Nov 23
CNX
Chiang Mai
ICN
Seoul
₩549,100 Roundtrip, found 1 day ago
₩549,100
Roundtrip
found 1 day ago
Select Jeju Air flight, departing Sun, Nov 9 from Chiang Mai to Seoul, returning Sun, Nov 23, priced at ₩549,100 found 1 day ago
Malaysia Airlines
Wed, Jun 10 - Thu, Jun 18
CNX
Chiang Mai
ICN
Seoul
₩583,200 Roundtrip, found 5 days ago
₩583,200
Roundtrip
found 5 days ago
Select Malaysia Airlines flight, departing Wed, Jun 10 from Chiang Mai to Seoul, returning Thu, Jun 18, priced at ₩583,200 found 5 days ago
China Airlines
Mon, Jan 5 - Sat, Jan 10
CNX
Chiang Mai
ICN
Seoul
₩691,500 Roundtrip, just found
₩691,500
Roundtrip
just found
Select China Airlines flight, departing Mon, Jan 5 from Chiang Mai to Seoul, returning Sat, Jan 10, priced at ₩691,500 just found
EVA Airways
Wed, May 13 - Wed, Jul 22
CNX
Chiang Mai
ICN
Seoul
₩754,600 Roundtrip, found 6 days ago
₩754,600
Roundtrip
found 6 days ago
Select EVA Airways flight, departing Wed, May 13 from Chiang Mai to Seoul, returning Wed, Jul 22, priced at ₩754,600 found 6 days ago

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

June is typically the cheapest month to fly

From ₩348,037 - ₩527,269 per traveler.
Flights from Chiang Mai (CNX) to Seoul (ICN)
Origin airport
Chiang Mai Intl.
Destination airport
Incheon Intl.
Airlines serving
Air China, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, EVA Airways, Eastar Jet, JIN AIR, Jeju Air, Korean Air, Malaysia Airlines, Scoot, T'way Air with baggage, Thai Airways International
Roundtrip price
₩356,001
Distance
3360 km
Average flight time
7 hours 16 mins

Chiang Mai to Incheon Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Chiang Mai to Incheon will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Incheon.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with CNX to ICN flights that won’t make your bank account wince. Ready to temporarily leave behind Chiang Mai for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ICN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

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 ₩356,001. 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.

Explore a world of travel with Expedia

*Available to Expedia members.