A traditional Korean palace with a large, ornate building in the center, surrounded by a courtyard with stone pathways and red-roofed structures.

S$207 Cheap Flights from Chiang Mai to Seoul

View S$207 flight on Mon, 28 Sept, 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$207 for one-way flights and S$383 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air with Bag
Thu, 24 Sept - Sun, 27 Sept
CNX
Chiang Mai
ICN
Seoul
S$383 Return, found 1 day ago
S$383
Return
found 1 day ago
Select Jeju Air with Bag flight, departing Thu, 24 Sept from Chiang Mai to Seoul, returning Sun, 27 Sept, priced at S$383 found 1 day ago
Hahn Air Systems
Thu, 24 Sept - Sun, 27 Sept
CNX
Chiang Mai
ICN
Seoul
S$409 Return, found 1 day ago
S$409
Return
found 1 day ago
Select Hahn Air Systems flight, departing Thu, 24 Sept from Chiang Mai to Seoul, returning Sun, 27 Sept, priced at S$409 found 1 day ago
Jeju Air with Bag
Thu, 24 Sept - Sun, 27 Sept
CNX
Chiang Mai
ICN
Seoul
S$419 Return, found 1 day ago
S$419
Return
found 1 day ago
Select Jeju Air with Bag flight, departing Thu, 24 Sept from Chiang Mai to Seoul, returning Sun, 27 Sept, priced at S$419 found 1 day ago
Jeju Air with Bag
Thu, 24 Sept - Mon, 28 Sept
CNX
Chiang Mai
ICN
Seoul
S$434 Return, found 5 days ago
S$434
Return
found 5 days ago
Select Jeju Air with Bag flight, departing Thu, 24 Sept from Chiang Mai to Seoul, returning Mon, 28 Sept, priced at S$434 found 5 days ago
Jeju Air with Bag
Thu, 24 Sept - Sun, 27 Sept
CNX
Chiang Mai
ICN
Seoul
S$440 Return, found 1 day ago
S$440
Return
found 1 day ago
Select Jeju Air with Bag flight, departing Thu, 24 Sept from Chiang Mai to Seoul, returning Sun, 27 Sept, priced at S$440 found 1 day ago
Hahn Air Systems
Thu, 24 Sept - Mon, 28 Sept
CNX
Chiang Mai
ICN
Seoul
S$456 Return, found 5 days ago
S$456
Return
found 5 days ago
Select Hahn Air Systems flight, departing Thu, 24 Sept from Chiang Mai to Seoul, returning Mon, 28 Sept, priced at S$456 found 5 days ago
Air China
Sun, 20 Dec - Sun, 27 Dec
CNX
Chiang Mai
ICN
Seoul
S$459 Return, found 6 days ago
S$459
Return
found 6 days ago
Select Air China flight, departing Sun, 20 Dec from Chiang Mai to Seoul, returning Sun, 27 Dec, priced at S$459 found 6 days ago
Hahn Air Systems
Thu, 24 Sept - Sun, 27 Sept
CNX
Chiang Mai
ICN
Seoul
S$466 Return, found 1 day ago
S$466
Return
found 1 day ago
Select Hahn Air Systems flight, departing Thu, 24 Sept from Chiang Mai to Seoul, returning Sun, 27 Sept, priced at S$466 found 1 day ago
Thai AirAsia
Fri, 13 Nov - Sat, 28 Nov
CNX
Chiang Mai
ICN
Seoul
S$569 Return, found 4 days ago
S$569
Return
found 4 days ago
Select Thai AirAsia flight, departing Fri, 13 Nov from Chiang Mai to Seoul, returning Sat, 28 Nov, priced at S$569 found 4 days ago
Thai Airways International
Thu, 24 Sept - Mon, 28 Sept
CNX
Chiang Mai
ICN
Seoul
S$680 Return, found 5 days ago
S$680
Return
found 5 days ago
Select Thai Airways International flight, departing Thu, 24 Sept from Chiang Mai to Seoul, returning Mon, 28 Sept, priced at S$680 found 5 days ago

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$383. 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, EVA Airways, Hahn Air Systems, Jeju Air with Bag, Korean Air, Malaysia Airlines, Scoot, Thai AirAsia, Thai Airways International
Roundtrip price
S$382
Distance
3360 km
Average flight time
7 hours 22 mins

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Perfect flights from Chiang Mai to Seoul

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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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