S$189 Cheap Flights from Chiang Mai to Seoul

View S$189 flight on Wed, 30 Sept, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at S$189 for one-way flights and S$417 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air with Bag
Wed, 3 Jun - Wed, 10 Jun
CNX
Chiang Mai
ICN
Seoul
S$417 Return, just found
S$417
Return
just found
Select Jeju Air with Bag flight, departing Wed, 3 Jun from Chiang Mai to Seoul, returning Wed, 10 Jun, priced at S$417 just found
Air China
Tue, 2 Jun - Sat, 6 Jun
CNX
Chiang Mai
ICN
Seoul
S$476 Return, just found
S$476
Return
just found
Select Air China flight, departing Tue, 2 Jun from Chiang Mai to Seoul, returning Sat, 6 Jun, priced at S$476 just found
Jeju Air with Bag
Wed, 3 Jun - Wed, 10 Jun
CNX
Chiang Mai
ICN
Seoul
S$490 Return, just found
S$490
Return
just found
Select Jeju Air with Bag flight, departing Wed, 3 Jun from Chiang Mai to Seoul, returning Wed, 10 Jun, priced at S$490 just found
Jeju Air with Bag
Sun, 26 Apr - Thu, 30 Apr
CNX
Chiang Mai
ICN
Seoul
S$509 Return, found 2 days ago
S$509
Return
found 2 days ago
Select Jeju Air with Bag flight, departing Sun, 26 Apr from Chiang Mai to Seoul, returning Thu, 30 Apr, priced at S$509 found 2 days ago
Air China
Tue, 2 Jun - Sat, 6 Jun
CNX
Chiang Mai
ICN
Seoul
S$531 Return, just found
S$531
Return
just found
Select Air China flight, departing Tue, 2 Jun from Chiang Mai to Seoul, returning Sat, 6 Jun, priced at S$531 just found
Hahn Air Systems
Wed, 3 Jun - Wed, 10 Jun
CNX
Chiang Mai
ICN
Seoul
S$531 Return, just found
S$531
Return
just found
Select Hahn Air Systems flight, departing Wed, 3 Jun from Chiang Mai to Seoul, returning Wed, 10 Jun, priced at S$531 just found
Air China
Tue, 2 Jun - Sat, 6 Jun
CNX
Chiang Mai
ICN
Seoul
S$544 Return, just found
S$544
Return
just found
Select Air China flight, departing Tue, 2 Jun from Chiang Mai to Seoul, returning Sat, 6 Jun, priced at S$544 just found
China Eastern Airlines
Sat, 31 Oct - Wed, 11 Nov
CNX
Chiang Mai
ICN
Seoul
S$566 Return, found 12 hours ago
S$566
Return
found 12 hours ago
Select China Eastern Airlines flight, departing Sat, 31 Oct from Chiang Mai to Seoul, returning Wed, 11 Nov, priced at S$566 found 12 hours ago
Jeju Air with Bag
Wed, 3 Jun - Wed, 10 Jun
CNX
Chiang Mai
ICN
Seoul
S$572 Return, just found
S$572
Return
just found
Select Jeju Air with Bag flight, departing Wed, 3 Jun from Chiang Mai to Seoul, returning Wed, 10 Jun, priced at S$572 just found
China Airlines
Tue, 2 Jun - Sat, 6 Jun
CNX
Chiang Mai
ICN
Seoul
S$617 Return, just found
S$617
Return
just found
Select China Airlines flight, departing Tue, 2 Jun from Chiang Mai to Seoul, returning Sat, 6 Jun, priced at S$617 just found

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city centre is 47 minutes. Flights from S$509
ICN
Incheon Intl.
Cheapest
Average driving time to city centre47 min
Flights from S$509

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$417. 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
Air China, 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
Return price
S$416
Distance
3360 km
Average flight time
7 hours 22 mins

Explore a world of travel with Expedia

*Available to Expedia members.