$211 Cheap China Eastern Airlines flights Chiang Mai (CNX) to Seoul (ICN)

View $211 flight on Sat, Aug 23, 2025Opens in a new window

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$211 Cheap China Eastern Airlines flights Chiang Mai (CNX) to Seoul (ICN)

Prices were available within the past 7 days and start at $211 for one-way flights and $337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Sat, Aug 23 - Thu, Sep 11
CNX
Chiang Mai
ICN
Seoul
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Sat, Aug 23 from Chiang Mai to Seoul, returning Thu, Sep 11, priced at $337 found 1 day ago
China Eastern Airlines
Mon, Aug 18 - Sat, Aug 23
CNX
Chiang Mai
ICN
Seoul
$349 Roundtrip, found 6 days ago
$349
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Mon, Aug 18 from Chiang Mai to Seoul, returning Sat, Aug 23, priced at $349 found 6 days ago
China Eastern Airlines
Thu, Sep 4 - Thu, Sep 11
CNX
Chiang Mai
ICN
Seoul
$354 Roundtrip, found 1 day ago
$354
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Thu, Sep 4 from Chiang Mai to Seoul, returning Thu, Sep 11, priced at $354 found 1 day ago
China Eastern Airlines
Wed, Sep 3 - Sat, Sep 6
CNX
Chiang Mai
ICN
Seoul
$357 Roundtrip, found 4 days ago
$357
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Wed, Sep 3 from Chiang Mai to Seoul, returning Sat, Sep 6, priced at $357 found 4 days ago
China Eastern Airlines
Thu, Aug 28 - Wed, Sep 3
CNX
Chiang Mai
ICN
Seoul
$358 Roundtrip, found 2 days ago
$358
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Thu, Aug 28 from Chiang Mai to Seoul, returning Wed, Sep 3, priced at $358 found 2 days ago
China Eastern Airlines
Thu, Sep 4 - Thu, Sep 11
CNX
Chiang Mai
ICN
Seoul
$361 Roundtrip, found 1 day ago
$361
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Thu, Sep 4 from Chiang Mai to Seoul, returning Thu, Sep 11, priced at $361 found 1 day ago
Flights from Chiang Mai (CNX) to Seoul (ICN)
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, Jeju Air, Korean Air, Malaysia Airlines, Scoot, Thai Airways International
Popular airline
Cathay Pacific
Distance
2100 mi
Average flight time
7 hours 16 mins

Frequently asked questions

How much is a China Eastern Airlines flight from Chiang Mai Intl. Airport (CNX) to Incheon Intl. Airport (ICN)?
You'll discover cheap return China Eastern Airlines flights from $337 from CNX to ICN by filtering your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $211 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from CNX to ICN with China Eastern Airlines?
January is one of the cheapest months to fly to Seoul with China Eastern Airlines. You could also find fantastic deals on one-way and round-trip tickets in February.
What is the cheapest time to book flights from Chiang Mai Intl. Airport (CNX) to Incheon Intl. Airport (ICN) with China Eastern Airlines?
Start your search for China Eastern Airlines flights from CNX to ICN about one month before you want to leave. The cheapest time to book an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your fare class and itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Travelers who book on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does China Eastern Airlines fly nonstop from Chiang Mai Intl. Airport (CNX) to Incheon Intl. Airport (ICN)?
To find out if there's a direct trip from CNX to ICN with China Eastern Airlines or another carrier, check the "Nonstop" filter when browsing for tickets.
What is the earliest China Eastern Airlines flight from CNX to ICN?
Search China Eastern Airlines's earliest flights from CNX to ICN by selecting our "Morning" and "Early Morning" filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does China Eastern Airlines fly into in Seoul?
Incheon Intl. Airport (ICN) is the primary Seoul hub for China Eastern Airlines flights from Chiang Mai Intl. Airport (CNX).
Why fly with China Eastern Airlines from CNX to ICN?
A rewarding loyalty program and the opportunity to collect points through Eastern Miles are the start of the reasons to jet off from CNX to ICN with China Eastern Airlines. Plus, when you join Expedia's free One Key™ program, you can earn OneKeyCash™* alongside China Eastern Airlines's loyalty program earnings. It's yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my China Eastern Airlines flight from Chiang Mai Intl. Airport (CNX) to Incheon Intl. Airport (ICN)?
It's usually possible to cancel or change your flight, although additional charges may apply if you booked over 24 hours ago. Want to keep your options open? Use Expedia's "Changes included" or "No cancel fee" filter to find flights that won't charge extra if you need to alter your plans. To modify your itinerary, go to "Trips," select your flight and click on "Manage Booking" for further information.

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