₩114,800 Cheap Flights from Seoul (ICN) to Chiang Mai (CNX)

View ₩114,800 flight on Mon, Sep 15, 2025Opens in a new window

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

Prices were available within the past 7 days and start at ₩114,800 for one-way flights and ₩264,607 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JIN AIR
Mon, Sep 15 - Wed, Sep 24
ICN
Seoul
CNX
Chiang Mai
₩264,607 Roundtrip, just found
₩264,607
Roundtrip
just found
Select JIN AIR flight, departing Mon, Sep 15 from Seoul to Chiang Mai, returning Wed, Sep 24, priced at ₩264,607 just found
Eastar Jet
Sun, Jun 8 - Thu, Jun 12
ICN
Seoul
CNX
Chiang Mai
₩274,907 Roundtrip, just found
₩274,907
Roundtrip
just found
Select Eastar Jet flight, departing Sun, Jun 8 from Seoul to Chiang Mai, returning Thu, Jun 12, priced at ₩274,907 just found
JIN AIR
Tue, Aug 19 - Thu, Sep 18
ICN
Seoul
CNX
Chiang Mai
₩276,400 Roundtrip, found 3 days ago
₩276,400
Roundtrip
found 3 days ago
Select JIN AIR flight, departing Tue, Aug 19 from Seoul to Chiang Mai, returning Thu, Sep 18, priced at ₩276,400 found 3 days ago
JIN AIR
Tue, Aug 19 - Tue, Sep 2
ICN
Seoul
CNX
Chiang Mai
₩276,600 Roundtrip, found 1 day ago
₩276,600
Roundtrip
found 1 day ago
Select JIN AIR flight, departing Tue, Aug 19 from Seoul to Chiang Mai, returning Tue, Sep 2, priced at ₩276,600 found 1 day ago
Jeju Air
Mon, Aug 18 - Fri, Aug 22
ICN
Seoul
CNX
Chiang Mai
₩296,900 Roundtrip, just found
₩296,900
Roundtrip
just found
Select Jeju Air flight, departing Mon, Aug 18 from Seoul to Chiang Mai, returning Fri, Aug 22, priced at ₩296,900 just found
Hahn Air Systems
Fri, Sep 19 - Wed, Oct 8
ICN
Seoul
CNX
Chiang Mai
₩412,400 Roundtrip, found 3 days ago
₩412,400
Roundtrip
found 3 days ago
Select Hahn Air Systems flight, departing Fri, Sep 19 from Seoul to Chiang Mai, returning Wed, Oct 8, priced at ₩412,400 found 3 days ago
Malaysia Airlines
Sat, May 31 - Thu, Jun 5
ICN
Seoul
CNX
Chiang Mai
₩414,300 Roundtrip, just found
₩414,300
Roundtrip
just found
Select Malaysia Airlines flight, departing Sat, May 31 from Seoul to Chiang Mai, returning Thu, Jun 5, priced at ₩414,300 just found
China Eastern Airlines
Sat, May 31 - Tue, Jun 10
ICN
Seoul
CNX
Chiang Mai
₩435,800 Roundtrip, found 2 days ago
₩435,800
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Sat, May 31 from Seoul to Chiang Mai, returning Tue, Jun 10, priced at ₩435,800 found 2 days ago
Cathay Pacific
Tue, Jul 1 - Tue, Jul 8
ICN
Seoul
CNX
Chiang Mai
₩437,100 Roundtrip, found 4 hours ago
₩437,100
Roundtrip
found 4 hours ago
Select Cathay Pacific flight, departing Tue, Jul 1 from Seoul to Chiang Mai, returning Tue, Jul 8, priced at ₩437,100 found 4 hours ago
Korean Air
Sun, Jun 15 - Wed, Jun 25
ICN
Seoul
CNX
Chiang Mai
₩458,000 Roundtrip, found 23 hours ago
₩458,000
Roundtrip
found 23 hours ago
Select Korean Air flight, departing Sun, Jun 15 from Seoul to Chiang Mai, returning Wed, Jun 25, priced at ₩458,000 found 23 hours ago

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 ₩264,607. 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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