S$168 Cheap Flights from Chiang Mai to Seoul

View S$168 flight on Wed, 15 Jul, 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$168 for one-way flights and S$316 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air with Bag
Wed, 15 Jul - Sat, 18 Jul
CNX
Chiang Mai
ICN
Seoul
S$316 Return, found 4 days ago
S$316
Return
found 4 days ago
Select Jeju Air with Bag flight, departing Wed, 15 Jul from Chiang Mai to Seoul, returning Sat, 18 Jul, priced at S$316 found 4 days ago
Jeju Air with Bag
Wed, 15 Jul - Sat, 18 Jul
CNX
Chiang Mai
ICN
Seoul
S$393 Return, found 4 days ago
S$393
Return
found 4 days ago
Select Jeju Air with Bag flight, departing Wed, 15 Jul from Chiang Mai to Seoul, returning Sat, 18 Jul, priced at S$393 found 4 days ago
Jeju Air with Bag
Thu, 28 May - Thu, 4 Jun
CNX
Chiang Mai
ICN
Seoul
S$435 Return, found 2 hours ago
S$435
Return
found 2 hours ago
Select Jeju Air with Bag flight, departing Thu, 28 May from Chiang Mai to Seoul, returning Thu, 4 Jun, priced at S$435 found 2 hours ago
Jeju Air with Bag
Thu, 28 May - Thu, 4 Jun
CNX
Chiang Mai
ICN
Seoul
S$488 Return, found 2 hours ago
S$488
Return
found 2 hours ago
Select Jeju Air with Bag flight, departing Thu, 28 May from Chiang Mai to Seoul, returning Thu, 4 Jun, priced at S$488 found 2 hours ago
Jeju Air with Bag
Sun, 28 Jun - Tue, 7 Jul
CNX
Chiang Mai
ICN
Seoul
S$491 Return, found 3 days ago
S$491
Return
found 3 days ago
Select Jeju Air with Bag flight, departing Sun, 28 Jun from Chiang Mai to Seoul, returning Tue, 7 Jul, priced at S$491 found 3 days ago
Jeju Air with Bag
Wed, 15 Jul - Sat, 18 Jul
CNX
Chiang Mai
ICN
Seoul
S$505 Return, found 4 days ago
S$505
Return
found 4 days ago
Select Jeju Air with Bag flight, departing Wed, 15 Jul from Chiang Mai to Seoul, returning Sat, 18 Jul, priced at S$505 found 4 days ago
Hahn Air Systems
Wed, 15 Jul - Sat, 18 Jul
CNX
Chiang Mai
ICN
Seoul
S$522 Return, found 4 days ago
S$522
Return
found 4 days ago
Select Hahn Air Systems flight, departing Wed, 15 Jul from Chiang Mai to Seoul, returning Sat, 18 Jul, priced at S$522 found 4 days ago
Scoot
Sat, 27 Jun - Mon, 6 Jul
CNX
Chiang Mai
ICN
Seoul
S$619 Return, found 3 days ago
S$619
Return
found 3 days ago
Select Scoot flight, departing Sat, 27 Jun from Chiang Mai to Seoul, returning Mon, 6 Jul, priced at S$619 found 3 days ago
China Southern Airlines
Thu, 4 Jun - Mon, 8 Jun
CNX
Chiang Mai
ICN
Seoul
S$646 Return, found 1 day ago
S$646
Return
found 1 day ago
Select China Southern Airlines flight, departing Thu, 4 Jun from Chiang Mai to Seoul, returning Mon, 8 Jun, priced at S$646 found 1 day ago
Cathay Pacific
Thu, 28 May - Thu, 4 Jun
CNX
Chiang Mai
ICN
Seoul
S$656 Return, found 2 hours ago
S$656
Return
found 2 hours ago
Select Cathay Pacific flight, departing Thu, 28 May from Chiang Mai to Seoul, returning Thu, 4 Jun, priced at S$656 found 2 hours ago

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

May is typically the cheapest month to fly

From S$361 - S$718 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$316. 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 Southern Airlines, EVA Airways, Hahn Air Systems, Jeju Air with Bag, Korean Air, Malaysia Airlines, Scoot, Thai AirAsia, Thai Airways International
Return price
S$316
Distance
3360 km
Average flight time
7 hours 22 mins

Book with confidence

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 Jeju Air with Bag, Air China, Scoot, Hahn Air Systems, China Southern Airlines, Cathay Pacific. 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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