S$171 Cheap Flights from Chiang Mai to Seoul

View S$171 flight on Wed, 25 Mar, 2026Opens 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 to Seoul (CNX-ICN)

Prices were available within the past 7 days and start at S$171 for one-way flights and S$330 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Wed, 1 Apr - Tue, 30 Jun
CNX
Chiang Mai
ICN
Seoul
S$330 Return, found 6 days ago
S$330
Return
found 6 days ago
Select Thai AirAsia flight, departing Wed, 1 Apr from Chiang Mai to Seoul, returning Tue, 30 Jun, priced at S$330 found 6 days ago
Air China
Sat, 21 Mar - Sat, 28 Mar
CNX
Chiang Mai
ICN
Seoul
S$463 Return, found 4 days ago
S$463
Return
found 4 days ago
Select Air China flight, departing Sat, 21 Mar from Chiang Mai to Seoul, returning Sat, 28 Mar, priced at S$463 found 4 days ago
Cathay Pacific
Sat, 21 Mar - Sat, 28 Mar
CNX
Chiang Mai
ICN
Seoul
S$507 Return, found 4 days ago
S$507
Return
found 4 days ago
Select Cathay Pacific flight, departing Sat, 21 Mar from Chiang Mai to Seoul, returning Sat, 28 Mar, priced at S$507 found 4 days ago
Air China
Sat, 21 Mar - Sat, 28 Mar
CNX
Chiang Mai
ICN
Seoul
S$511 Return, found 4 days ago
S$511
Return
found 4 days ago
Select Air China flight, departing Sat, 21 Mar from Chiang Mai to Seoul, returning Sat, 28 Mar, priced at S$511 found 4 days ago
Jeju Air with Bag
Sat, 9 May - Tue, 12 May
CNX
Chiang Mai
ICN
Seoul
S$530 Return, found 2 days ago
S$530
Return
found 2 days ago
Select Jeju Air with Bag flight, departing Sat, 9 May from Chiang Mai to Seoul, returning Tue, 12 May, priced at S$530 found 2 days ago
China Southern Airlines
Sat, 9 May - Tue, 12 May
CNX
Chiang Mai
ICN
Seoul
S$533 Return, found 2 days ago
S$533
Return
found 2 days ago
Select China Southern Airlines flight, departing Sat, 9 May from Chiang Mai to Seoul, returning Tue, 12 May, priced at S$533 found 2 days ago
China Southern Airlines
Sat, 9 May - Tue, 12 May
CNX
Chiang Mai
ICN
Seoul
S$549 Return, found 2 days ago
S$549
Return
found 2 days ago
Select China Southern Airlines flight, departing Sat, 9 May from Chiang Mai to Seoul, returning Tue, 12 May, priced at S$549 found 2 days ago
Hahn Air Systems
Sat, 9 May - Tue, 12 May
CNX
Chiang Mai
ICN
Seoul
S$556 Return, found 2 days ago
S$556
Return
found 2 days ago
Select Hahn Air Systems flight, departing Sat, 9 May from Chiang Mai to Seoul, returning Tue, 12 May, priced at S$556 found 2 days ago
Cathay Pacific
Sat, 9 May - Tue, 12 May
CNX
Chiang Mai
ICN
Seoul
S$568 Return, found 2 days ago
S$568
Return
found 2 days ago
Select Cathay Pacific flight, departing Sat, 9 May from Chiang Mai to Seoul, returning Tue, 12 May, priced at S$568 found 2 days ago
Hahn Air Systems
Thu, 26 Mar - Sun, 5 Apr
CNX
Chiang Mai
ICN
Seoul
S$574 Return, found 1 day ago
S$574
Return
found 1 day ago
Select Hahn Air Systems flight, departing Thu, 26 Mar from Chiang Mai to Seoul, returning Sun, 5 Apr, priced at S$574 found 1 day ago

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

June is typically the cheapest month to fly

From S$323 - S$489 per traveller.

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 S$330. 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.

Travel information

Origin airport
Chiang Mai Intl.
Destination airport
Incheon Intl.
Airlines serving
Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Hahn Air Systems, Jeju Air with Bag, Malaysia Airlines, Scoot, Thai Airways International
Return price
S$330
Distance
3360 km
Average flight time
6 hours 59 mins

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Perfect flights from Chiang Mai to Seoul

Your Journey from Chiang Mai to Seoul

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With Expedia, you have access to a wide range of airlines, including Thai AirAsia, Jeju Air with Bag, China Eastern Airlines, Hahn Air Systems, Scoot, Air China, Cathay Pacific, China Southern Airlines. Our selection of flights from Chiang Mai Intl. to Incheon Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Chiang Mai to Seoul

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