S$171 Cheap Flights from Chiang Mai to Seoul

View S$171 flight on Wed, 25 Feb, 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$171 for one-way flights and S$335 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Fri, 12 Jun - Sun, 14 Jun
CNX
Chiang Mai
ICN
Seoul
S$335 Return, found 4 days ago
S$335
Return
found 4 days ago
Select Thai AirAsia flight, departing Fri, 12 Jun from Chiang Mai to Seoul, returning Sun, 14 Jun, priced at S$335 found 4 days ago
Thai AirAsia
Sat, 14 Feb - Mon, 23 Feb
CNX
Chiang Mai
ICN
Seoul
S$335 Return, found 17 hours ago
S$335
Return
found 17 hours ago
Select Thai AirAsia flight, departing Sat, 14 Feb from Chiang Mai to Seoul, returning Mon, 23 Feb, priced at S$335 found 17 hours ago
Thai AirAsia
Sat, 14 Feb - Mon, 23 Feb
CNX
Chiang Mai
ICN
Seoul
S$398 Return, found 17 hours ago
S$398
Return
found 17 hours ago
Select Thai AirAsia flight, departing Sat, 14 Feb from Chiang Mai to Seoul, returning Mon, 23 Feb, priced at S$398 found 17 hours ago
Thai AirAsia
Sat, 14 Feb - Mon, 23 Feb
CNX
Chiang Mai
ICN
Seoul
S$404 Return, found 17 hours ago
S$404
Return
found 17 hours ago
Select Thai AirAsia flight, departing Sat, 14 Feb from Chiang Mai to Seoul, returning Mon, 23 Feb, priced at S$404 found 17 hours ago
Thai AirAsia
Thu, 16 Apr - Tue, 21 Apr
CNX
Chiang Mai
ICN
Seoul
S$406 Return, found 2 days ago
S$406
Return
found 2 days ago
Select Thai AirAsia flight, departing Thu, 16 Apr from Chiang Mai to Seoul, returning Tue, 21 Apr, priced at S$406 found 2 days ago
Air China
Tue, 20 Jan - Fri, 23 Jan
CNX
Chiang Mai
ICN
Seoul
S$413 Return, found 1 day ago
S$413
Return
found 1 day ago
Select Air China flight, departing Tue, 20 Jan from Chiang Mai to Seoul, returning Fri, 23 Jan, priced at S$413 found 1 day ago
Hahn Air Systems
Sat, 14 Feb - Mon, 23 Feb
CNX
Chiang Mai
ICN
Seoul
S$456 Return, found 17 hours ago
S$456
Return
found 17 hours ago
Select Hahn Air Systems flight, departing Sat, 14 Feb from Chiang Mai to Seoul, returning Mon, 23 Feb, priced at S$456 found 17 hours ago
T'way Air with baggage
Sat, 14 Feb - Mon, 23 Feb
CNX
Chiang Mai
ICN
Seoul
S$481 Return, found 17 hours ago
S$481
Return
found 17 hours ago
Select T'way Air with baggage flight, departing Sat, 14 Feb from Chiang Mai to Seoul, returning Mon, 23 Feb, priced at S$481 found 17 hours ago
Air China
Thu, 26 Mar - Thu, 9 Apr
CNX
Chiang Mai
ICN
Seoul
S$483 Return, found 3 days ago
S$483
Return
found 3 days ago
Select Air China flight, departing Thu, 26 Mar from Chiang Mai to Seoul, returning Thu, 9 Apr, priced at S$483 found 3 days ago
China Eastern Airlines
Thu, 26 Mar - Thu, 9 Apr
CNX
Chiang Mai
ICN
Seoul
S$486 Return, found 3 days ago
S$486
Return
found 3 days ago
Select China Eastern Airlines flight, departing Thu, 26 Mar from Chiang Mai to Seoul, returning Thu, 9 Apr, priced at S$486 found 3 days ago

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

June is typically the cheapest month to fly

From S$321 - S$491 per traveller.
Chiang Mai to Seoul route information
Origin airport
Chiang Mai Intl.
Destination airport
Incheon Intl.
Airlines serving
Air China, Cathay Pacific, China Airlines, China Southern Airlines, Hahn Air Systems, Jeju Air with Bag, Korean Air, Malaysia Airlines, Scoot, T'way Air with baggage, Thai Airways International
Return price
S$334
Distance
3360 km
Average flight time
7 hours 5 mins

Perfect flights from Chiang Mai to Seoul

Your Journey from Chiang Mai to Seoul

Start your unforgettable journey with Expedia. Our broad selection of flights from Chiang Mai to Seoul 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 Thai AirAsia, Jeju Air with Bag, Air China, AirAsia, T'way Air with baggage, Hahn Air Systems, China Eastern Airlines. 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.
 

Maximizing Value with Chiang Mai to Seoul Flights

Experience the joy of finding cheap flights from Chiang Mai Intl. to Incheon Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$171 and roundtrip prices from S$335*.
 

Pre-Flight Essentials

Ensure a smooth journey from Chiang Mai to Seoul 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 Seoul

Picture yourself stepping off the plane in Seoul 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 Chiang Mai to Seoul 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 Chiang Mai to Seoul.
 

Beyond the Flight – Exploring Seoul

With Expedia, your adventure extends beyond the flight. Explore Seoul 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 Chiang Mai to Seoul 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 Chiang Mai to Seoul 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 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$335. 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.

Explore a world of travel with Expedia

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