S$135 Cheap Flights from Seoul to Chiang Mai

View S$135 flight on Tue, 2 Sep, 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$135 for one-way flights and S$298 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

AirAsia X
Mon, 13 Oct - Thu, 16 Oct
ICN
Seoul
CNX
Chiang Mai
S$298 Return, found 18 hours ago
S$298
Return
found 18 hours ago
Select AirAsia X flight, departing Mon, 13 Oct from Seoul to Chiang Mai, returning Thu, 16 Oct, priced at S$298 found 18 hours ago
Thai AirAsia X
Fri, 22 Aug - Mon, 25 Aug
ICN
Seoul
CNX
Chiang Mai
S$314 Return, found 4 days ago
S$314
Return
found 4 days ago
Select Thai AirAsia X flight, departing Fri, 22 Aug from Seoul to Chiang Mai, returning Mon, 25 Aug, priced at S$314 found 4 days ago
AirAsia X
Mon, 13 Oct - Thu, 16 Oct
ICN
Seoul
CNX
Chiang Mai
S$341 Return, found 18 hours ago
S$341
Return
found 18 hours ago
Select AirAsia X flight, departing Mon, 13 Oct from Seoul to Chiang Mai, returning Thu, 16 Oct, priced at S$341 found 18 hours ago
Thai AirAsia X
Thu, 23 Oct - Thu, 30 Oct
ICN
Seoul
CNX
Chiang Mai
S$356 Return, found 18 hours ago
S$356
Return
found 18 hours ago
Select Thai AirAsia X flight, departing Thu, 23 Oct from Seoul to Chiang Mai, returning Thu, 30 Oct, priced at S$356 found 18 hours ago
Jeju Air with Bag
Wed, 2 Jul - Wed, 9 Jul
ICN
Seoul
CNX
Chiang Mai
S$356 Return, found 4 days ago
S$356
Return
found 4 days ago
Select Jeju Air with Bag flight, departing Wed, 2 Jul from Seoul to Chiang Mai, returning Wed, 9 Jul, priced at S$356 found 4 days ago
AirAsia X
Mon, 11 Aug - Wed, 13 Aug
ICN
Seoul
CNX
Chiang Mai
S$368 Return, found 3 days ago
S$368
Return
found 3 days ago
Select AirAsia X flight, departing Mon, 11 Aug from Seoul to Chiang Mai, returning Wed, 13 Aug, priced at S$368 found 3 days ago
Thai AirAsia X
Mon, 21 Jul - Thu, 24 Jul
ICN
Seoul
CNX
Chiang Mai
S$371 Return, found 4 days ago
S$371
Return
found 4 days ago
Select Thai AirAsia X flight, departing Mon, 21 Jul from Seoul to Chiang Mai, returning Thu, 24 Jul, priced at S$371 found 4 days ago
AirAsia X
Tue, 2 Sep - Mon, 8 Sep
ICN
Seoul
CNX
Chiang Mai
S$383 Return, found 3 hours ago
S$383
Return
found 3 hours ago
Select AirAsia X flight, departing Tue, 2 Sep from Seoul to Chiang Mai, returning Mon, 8 Sep, priced at S$383 found 3 hours ago
China Eastern Airlines
Tue, 2 Sep - Mon, 8 Sep
ICN
Seoul
CNX
Chiang Mai
S$402 Return, found 3 hours ago
S$402
Return
found 3 hours ago
Select China Eastern Airlines flight, departing Tue, 2 Sep from Seoul to Chiang Mai, returning Mon, 8 Sep, priced at S$402 found 3 hours ago
Hahn Air Systems
Wed, 2 Jul - Wed, 9 Jul
ICN
Seoul
CNX
Chiang Mai
S$451 Return, found 4 days ago
S$451
Return
found 4 days ago
Select Hahn Air Systems flight, departing Wed, 2 Jul from Seoul to Chiang Mai, returning Wed, 9 Jul, priced at S$451 found 4 days ago

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

August is typically the cheapest month to fly

From S$183 - S$401 per traveller.

Graph displaying average flight prices per month

Seoul to Chiang Mai route information
Origin airport
Incheon Intl.
Destination airport
Chiang Mai Intl.
Airlines serving
Air China, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, EVA Airways, Hahn Air Systems, Jeju Air with Bag, Korean Air, Malaysia Airlines, Scoot, Thai Airways International
Return price
S$298
Distance
3360 km
Average flight time
3 hours 44 mins

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.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Jeju Air with Bag, Thai AirAsia X, Hahn Air Systems, Scoot, China Eastern Airlines, AirAsia X. 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.
 

Maximizing Value with Seoul to Chiang Mai Flights

Experience the joy of finding cheap flights from Incheon Intl. to Chiang Mai Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$135 and roundtrip prices from S$298*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seoul to Chiang Mai with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Chiang Mai

Picture yourself stepping off the plane in Chiang Mai and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seoul to Chiang Mai Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seoul to Chiang Mai.
 

Beyond the Flight – Exploring Chiang Mai

With Expedia, your adventure extends beyond the flight. Explore Chiang Mai at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seoul to Chiang Mai with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seoul to Chiang Mai with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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$298. 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.

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