S$88 Cheap Flights from Seoul to Chiang Mai

View S$88 flight on Thu, 16 Oct, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at S$88 for one-way flights and S$244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air
Sat, 18 Oct - Mon, 27 Oct
ICN
Seoul
CNX
Chiang Mai
S$244 Return, found 6 days ago
S$244
Return
found 6 days ago
Select Jeju Air flight, departing Sat, 18 Oct from Seoul to Chiang Mai, returning Mon, 27 Oct, priced at S$244 found 6 days ago
Jeju Air with Bag
Sat, 18 Oct - Mon, 27 Oct
ICN
Seoul
CNX
Chiang Mai
S$272 Return, found 6 days ago
S$272
Return
found 6 days ago
Select Jeju Air with Bag flight, departing Sat, 18 Oct from Seoul to Chiang Mai, returning Mon, 27 Oct, priced at S$272 found 6 days ago
AirAsia X
Wed, 26 Nov - Wed, 3 Dec
ICN
Seoul
CNX
Chiang Mai
S$291 Return, found 5 days ago
S$291
Return
found 5 days ago
Select AirAsia X flight, departing Wed, 26 Nov from Seoul to Chiang Mai, returning Wed, 3 Dec, priced at S$291 found 5 days ago
Jeju Air with Bag
Tue, 14 Oct - Sun, 19 Oct
ICN
Seoul
CNX
Chiang Mai
S$307 Return, found 1 day ago
S$307
Return
found 1 day ago
Select Jeju Air with Bag flight, departing Tue, 14 Oct from Seoul to Chiang Mai, returning Sun, 19 Oct, priced at S$307 found 1 day ago
Thai AirAsia X
Wed, 26 Nov - Wed, 3 Dec
ICN
Seoul
CNX
Chiang Mai
S$327 Return, found 5 days ago
S$327
Return
found 5 days ago
Select Thai AirAsia X flight, departing Wed, 26 Nov from Seoul to Chiang Mai, returning Wed, 3 Dec, priced at S$327 found 5 days ago
Jeju Air with Bag
Thu, 23 Oct - Mon, 27 Oct
ICN
Seoul
CNX
Chiang Mai
S$334 Return, found 3 days ago
S$334
Return
found 3 days ago
Select Jeju Air with Bag flight, departing Thu, 23 Oct from Seoul to Chiang Mai, returning Mon, 27 Oct, priced at S$334 found 3 days ago
Hahn Air Systems
Sat, 18 Oct - Mon, 27 Oct
ICN
Seoul
CNX
Chiang Mai
S$354 Return, found 6 days ago
S$354
Return
found 6 days ago
Select Hahn Air Systems flight, departing Sat, 18 Oct from Seoul to Chiang Mai, returning Mon, 27 Oct, priced at S$354 found 6 days ago
AirAsia X
Wed, 26 Nov - Wed, 3 Dec
ICN
Seoul
CNX
Chiang Mai
S$364 Return, found 5 days ago
S$364
Return
found 5 days ago
Select AirAsia X flight, departing Wed, 26 Nov from Seoul to Chiang Mai, returning Wed, 3 Dec, priced at S$364 found 5 days ago
Jeju Air with Bag
Sun, 19 Oct - Wed, 22 Oct
ICN
Seoul
CNX
Chiang Mai
S$378 Return, found 3 days ago
S$378
Return
found 3 days ago
Select Jeju Air with Bag flight, departing Sun, 19 Oct from Seoul to Chiang Mai, returning Wed, 22 Oct, priced at S$378 found 3 days ago
China Eastern Airlines
Tue, 14 Oct - Sun, 19 Oct
ICN
Seoul
CNX
Chiang Mai
S$404 Return, found 1 day ago
S$404
Return
found 1 day ago
Select China Eastern Airlines flight, departing Tue, 14 Oct from Seoul to Chiang Mai, returning Sun, 19 Oct, priced at S$404 found 1 day ago

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

March is typically the cheapest month to fly

From S$188 - S$447 per traveller.

Frequently asked questions

How much is a flight from ICN to Chiang Mai Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between Incheon Intl. Airport (ICN) and CNX was S$244. Fares this good don't last long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Incheon Intl. Airport (ICN) to CNX?
We understand that your situation can change unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Incheon Airport to Chiang Mai Intl. Airport (CNX) 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 Incheon Intl. Airport (ICN) to CNX flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Incheon Airport to Chiang Mai Intl. Airport (CNX)?
It's around 3,400 kilometres between South Korea and Chiang Mai, so you'll be strapped into your seat for a while. Keep yourself entertained by packing things like playing cards (if you're travelling with friends) or a gripping book.
Which airlines fly direct from Incheon Intl. Airport (ICN) to CNX?
A favourite with many frequent travellers, Korean Air (KE) offers 17 monthly flights from Incheon Airport to Chiang Mai Intl. Airport (CNX). Pick the one that fits in with your travel plans and book your fare today.
Are Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Incheon Airport to Chiang Mai Airport can be hit-or-miss. It is possible to score a bargain, but then again, you could miss out entirely! If you'd rather play it safe and start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines release their prices so far in advance. Our top tip? Check back often as updates are made regularly.

Travel information

Origin airport
Incheon Intl.
Destination airport
Chiang Mai Intl.
Airlines serving
Air China, Asiana Airlines, 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 Airways International
Return price
S$244
Distance
3360 km
Average flight time
3 hours 44 mins

Book with confidence

Perfect flights from Seoul to Chiang Mai

Your Journey from Seoul to Chiang Mai

Start your unforgettable journey with Expedia. Our broad selection of flights from Seoul to Chiang Mai caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

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With Expedia, you have access to a wide range of airlines, including Jeju Air, Jeju Air with Bag, AirAsia X, Thai AirAsia X, Hahn Air Systems, China Eastern Airlines. Our selection of flights from Incheon Intl. to Chiang Mai 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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Experience the Vibrant Chiang Mai

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Book Your Flight from Seoul to Chiang Mai with Confidence

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

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