$111 Cheap Flights from Seoul (ICN) to Chiang Mai (CNX)

View $111 flight on Sat, Nov 1, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $111 for one-way flights and $210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air
Sat, Nov 1 - Mon, Nov 10
ICN
Seoul
CNX
Chiang Mai
$210 Roundtrip, found 1 day ago
$210
Roundtrip
found 1 day ago
Select Jeju Air flight, departing Sat, Nov 1 from Seoul to Chiang Mai, returning Mon, Nov 10, priced at $210 found 1 day ago
Jeju Air
Sat, Nov 1 - Sun, Nov 9
ICN
Seoul
CNX
Chiang Mai
$228 Roundtrip, found 2 hours ago
$228
Roundtrip
found 2 hours ago
Select Jeju Air flight, departing Sat, Nov 1 from Seoul to Chiang Mai, returning Sun, Nov 9, priced at $228 found 2 hours ago
Air China
Fri, Dec 5 - Wed, Dec 10
ICN
Seoul
CNX
Chiang Mai
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select Air China flight, departing Fri, Dec 5 from Seoul to Chiang Mai, returning Wed, Dec 10, priced at $234 found 2 days ago
Air China
Mon, Nov 24 - Fri, Nov 28
ICN
Seoul
CNX
Chiang Mai
$234 Roundtrip, found 21 hours ago
$234
Roundtrip
found 21 hours ago
Select Air China flight, departing Mon, Nov 24 from Seoul to Chiang Mai, returning Fri, Nov 28, priced at $234 found 21 hours ago
Air China
Fri, Nov 21 - Thu, Nov 27
ICN
Seoul
CNX
Chiang Mai
$261 Roundtrip, found 2 days ago
$261
Roundtrip
found 2 days ago
Select Air China flight, departing Fri, Nov 21 from Seoul to Chiang Mai, returning Thu, Nov 27, priced at $261 found 2 days ago
Air China
Mon, Nov 10 - Mon, Nov 17
ICN
Seoul
CNX
Chiang Mai
$262 Roundtrip, found 17 hours ago
$262
Roundtrip
found 17 hours ago
Select Air China flight, departing Mon, Nov 10 from Seoul to Chiang Mai, returning Mon, Nov 17, priced at $262 found 17 hours ago
Hahn Air Systems
Sat, Nov 1 - Mon, Nov 10
ICN
Seoul
CNX
Chiang Mai
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select Hahn Air Systems flight, departing Sat, Nov 1 from Seoul to Chiang Mai, returning Mon, Nov 10, priced at $264 found 1 day ago
T'way Air with baggage
Mon, Dec 15 - Thu, Dec 18
ICN
Seoul
CNX
Chiang Mai
$282 Roundtrip, found 5 days ago
$282
Roundtrip
found 5 days ago
Select T'way Air with baggage flight, departing Mon, Dec 15 from Seoul to Chiang Mai, returning Thu, Dec 18, priced at $282 found 5 days ago
T'Way Air
Wed, Dec 17 - Tue, Dec 23
ICN
Seoul
CNX
Chiang Mai
$304 Roundtrip, found 1 day ago
$304
Roundtrip
found 1 day ago
Select T'Way Air flight, departing Wed, Dec 17 from Seoul to Chiang Mai, returning Tue, Dec 23, priced at $304 found 1 day ago
Malaysia Airlines
Thu, Jun 11 - Thu, Jun 18
ICN
Seoul
CNX
Chiang Mai
$311 Roundtrip, found 4 days ago
$311
Roundtrip
found 4 days ago
Select Malaysia Airlines flight, departing Thu, Jun 11 from Seoul to Chiang Mai, returning Thu, Jun 18, priced at $311 found 4 days ago

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

March is typically the cheapest month to fly

From $145 - $347 per traveler.

Alternative airports near Chiang Mai

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

Select flight to Chiang Mai Intl. CNX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $325
CNX
Chiang Mai Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $325

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX) cost?
Snag a cheap one-way flight from $111 or cheap return flight from $210 from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX)?
November is the cheapest month to fly from ICN to CNX. Timing your trip outside of the busy season is often the key to landing a great deal.
Which airlines fly direct from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX)?
You can fly nonstop from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX) with 5 airlines, including:

  • Korean Air
  • EASTAR JET
  • Jeju Air
  • Asiana Airlines
  • Jin Air

What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX)?
Cheap flight tickets between Incheon Intl. Airport (ICN) and Chiang Mai Intl. Airport (CNX) are often available through low-cost carriers like Jeju Air and Asiana Airlines. Keep in mind that prices can vary depending on departure dates, demand and how early you book. With Expedia's filter tool, you can easily filter your results to find an ICN to CNX flight that works with your budget.
How many flights per day from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX)?
When taking off from Incheon Intl. Airport (ICN), you can take your pick from an average of 6 daily direct flights to Chiang Mai Intl. Airport (CNX).
What are the most popular departure times for flights from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX)?
Flights between ICN and CNX are busiest at 7 PM. If you're after a more relaxed atmosphere and possibly cheaper tickets, look for a time when demand is lower.
What day of the week has the most flights from ICN to CNX?
If you depart on a Sunday, you'll get the biggest range of options for flights from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX).
What is the earliest flight from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX)?
Take the earliest flight at around 10:05AM UTC+9, departing from Incheon Intl. Airport (ICN). You'll be traveling for about 6h, landing at Chiang Mai Intl. Airport (CNX) at approximately 2:05PM UTC+7.
How long does it take to fly from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX)?
The average flight time from ICN to CNX is 6 hours and 5 minutes, covering a total distance of 2,100 mi.
What airline has the least delays from ICN to CNX?
Consider traveling with EASTAR JET if you'd like to fly straight from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX) without any delays. This carrier has the best track record for punctuality, with an on-time performance of 95%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX)?
To reach Chiang Mai Intl. Airport (CNX) without delays, choose a flight that takes off from Incheon Intl. Airport (ICN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Chiang Mai from Incheon Intl. Airport (ICN)?
Chiang Mai Intl. Airport (CNX) is the only airport in Chiang Mai with direct flights from Incheon Intl. Airport (ICN). Consider your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX) last-minute?
Waiting until just before your departure to book your flight from ICN to CNX often results in higher prices. While you may come across some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book an ICN to CNX flight and hotel package?
You'll typically save money by securing an ICN to CNX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX)?
Usually, it's possible to cancel or reschedule your ICN to CNX flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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, Korean Air, Malaysia Airlines, Scoot, T'Way Air, T'way Air with baggage, Thai Airways International, Thai Vietjet
Roundtrip price
$209
Distance
2100 mi
Average flight time
4 hours 6 mins

Book with confidence

Seoul to Chiang Mai Flights

The cheapest times to fly from Seoul to Chiang Mai

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Chiang Mai are during the month of November. You can find some of the cheapest flights from Seoul to Chiang Mai with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Chiang Mai

Sunday is one of the best days to book for cheap flights from Seoul to Chiang Mai: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Chiang Mai

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Chiang Mai in 2025. You can also book with separate airlines for your outbound and return journeys, from $111 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Chiang Mai flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Chiang Mai airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seoul to Chiang Mai Flights

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*Available to One Key members.