฿4,134 Cheap Flights from Chiang Mai (CNX) to Seoul (ICN)

View ฿4,134 flight on Tue, 28 Oct 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿4,134 for one-way flights and ฿8,126 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Thu, 13 Nov - Wed, 19 Nov
CNX
Chiang Mai
ICN
Seoul
฿8,126 Return, found 1 day ago
฿8,126
Return
found 1 day ago
Select Thai AirAsia flight, departing Thu, 13 Nov from Chiang Mai to Seoul, returning Wed, 19 Nov, priced at ฿8,126 found 1 day ago
Thai AirAsia
Mon, 3 Nov - Mon, 10 Nov
CNX
Chiang Mai
ICN
Seoul
฿8,128 Return, found 1 day ago
฿8,128
Return
found 1 day ago
Select Thai AirAsia flight, departing Mon, 3 Nov from Chiang Mai to Seoul, returning Mon, 10 Nov, priced at ฿8,128 found 1 day ago
JIN AIR
Wed, 3 Sep - Sun, 7 Sep
CNX
Chiang Mai
ICN
Seoul
฿9,005 Return, found 2 hours ago
฿9,005
Return
found 2 hours ago
Select JIN AIR flight, departing Wed, 3 Sep from Chiang Mai to Seoul, returning Sun, 7 Sep, priced at ฿9,005 found 2 hours ago
Eastar Jet
Wed, 3 Sep - Thu, 11 Sep
CNX
Chiang Mai
ICN
Seoul
฿9,290 Return, found 3 days ago
฿9,290
Return
found 3 days ago
Select Eastar Jet flight, departing Wed, 3 Sep from Chiang Mai to Seoul, returning Thu, 11 Sep, priced at ฿9,290 found 3 days ago
Jeju Air with Bag
Thu, 11 Sep - Wed, 17 Sep
CNX
Chiang Mai
ICN
Seoul
฿10,527 Return, just found
฿10,527
Return
just found
Select Jeju Air with Bag flight, departing Thu, 11 Sep from Chiang Mai to Seoul, returning Wed, 17 Sep, priced at ฿10,527 just found
China Southern Airlines
Wed, 19 Nov - Sat, 22 Nov
CNX
Chiang Mai
ICN
Seoul
฿10,895 Return, found 6 hours ago
฿10,895
Return
found 6 hours ago
Select China Southern Airlines flight, departing Wed, 19 Nov from Chiang Mai to Seoul, returning Sat, 22 Nov, priced at ฿10,895 found 6 hours ago
Hahn Air Systems
Thu, 11 Sep - Wed, 17 Sep
CNX
Chiang Mai
ICN
Seoul
฿11,015 Return, just found
฿11,015
Return
just found
Select Hahn Air Systems flight, departing Thu, 11 Sep from Chiang Mai to Seoul, returning Wed, 17 Sep, priced at ฿11,015 just found
China Eastern Airlines
Wed, 3 Sep - Thu, 11 Sep
CNX
Chiang Mai
ICN
Seoul
฿11,790 Return, found 3 days ago
฿11,790
Return
found 3 days ago
Select China Eastern Airlines flight, departing Wed, 3 Sep from Chiang Mai to Seoul, returning Thu, 11 Sep, priced at ฿11,790 found 3 days ago
Air China
Fri, 21 Nov - Mon, 1 Dec
CNX
Chiang Mai
ICN
Seoul
฿12,125 Return, just found
฿12,125
Return
just found
Select Air China flight, departing Fri, 21 Nov from Chiang Mai to Seoul, returning Mon, 1 Dec, priced at ฿12,125 just found
Asiana Airlines
Wed, 3 Sep - Thu, 4 Sep
CNX
Chiang Mai
ICN
Seoul
฿12,245 Return, just found
฿12,245
Return
just found
Select Asiana Airlines flight, departing Wed, 3 Sep from Chiang Mai to Seoul, returning Thu, 4 Sep, priced at ฿12,245 just found

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

June is typically the cheapest month to fly

From ฿8,044 - ฿12,013 per traveller.

Graph displaying average flight prices per month

Flight from Chiang Mai to Seoul route information
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, Eastar Jet, Hahn Air Systems, JIN AIR, Jeju Air with Bag, Korean Air, Malaysia Airlines, Scoot, Singapore Airlines, Thai Airways International
Return price
฿8,126
Distance
3360 km
Average flight time
7 hours 16 mins

Perfect flights from Chiang Mai to Seoul

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Chiang Mai to Seoul. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Incheon, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Chiang Mai Intl. to Incheon Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿4,134 and roundtrip prices from ฿8,126. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Incheon Intl. and explore Incheon and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your CNX to ICN travel arrangements today and embark on the journey of a lifetime in Seoul.

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 ฿8,126. 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 kilometres 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 travelling 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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