฿3,715 Find Cheap Flights from Chiang Mai to Seoul Incheon Airport – Compare and Save

5 airlines operate flights between Chiang Mai and Incheon Intl Airport. The airlines offering direct flights on this route include:

• Jin Air
• Eastar Jet
• Jeju Air
• Air Busan
• Korean Air

Flights from Chiang Mai to Incheon Intl Airport usually depart from Chiang Mai (CNX) and arrive at Incheon Intl (ICN).

Here are some options for this route, based on selected ticket types and cabin classes:

• Jeju Air: a cabin bag and a checked bag in Economy class
• Eastar Jet: a cabin bag and a checked bag in Economy class
• Jin Air: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Chiang Mai to Incheon Intl Airport.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average ฿6,246 return via Kuala Lumpur Intl (KUL), compared with ฿12,746 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿742–฿3,288 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Jin Air and Jeju Air. Other aircraft seen on the route include Boeing 737-800 variants.

One-stop flights from Chiang Mai to Incheon Intl Airport most commonly connect through:

• Bangkok Don Mueang Intl (DMK) – 56% of one-stop connections
• Bangkok Suvarnabhumi (BKK) – 22% of one-stop connections
• Guangzhou Baiyun (CAN) – 6% of one-stop connections
• Hong Kong Intl (HKG) – 3% of one-stop connections

Bangkok Don Mueang Intl (DMK) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 30% on the Chiang Mai to Incheon Intl Airport route. Thursday is the cheapest departure day at ฿10,061 return on average, while Friday is the most expensive at ฿14,237, a difference of ฿4,176. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chiang Mai to Incheon Intl Airport route, 11% of flights were delayed in the past 3 months, with delays averaging 1 hour 40 minutes.

Night is the busiest departure period on Chiang Mai to Incheon Intl Airport flights, with 100% leaving in that window. Morning departures account for 0%, Afternoon flights for 0%, and Evening flights for 0%.

Songdo Convensia is one of the most viewed places in Incheon Intl Airport on KAYAK.

These are the earliest and latest flight times available from Chiang Mai to Incheon Intl Airport:

• Earliest: departs at 00:10 and lands at 05:22
• Latest: departs at 23:55 and lands at 05:07.

The flight takes about 5h 12m.

Last-minute fares on this route (booked within 2 weeks of departure) run 32% above the route average of ฿12,590. Book 19 weeks before departure for the lowest fares.

A direct flight from Chiang Mai to Incheon Intl Airport takes 5h 12m, covering 5,437 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿6,708 to ฿58,653. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from Chiang Mai to Incheon Intl Airport are currently lower than usual. Average one-way flight prices are about ฿3,880, which is 43% below the typical average for this route.

Air Busan is slightly above the route average for timely arrivals, while Korean Air has a lower on-time arrival rate. On-time arrival rates on Chiang Mai to Incheon Intl Airport flights are:

• Air Busan: 100% on time
• Korean Air: 94% on time
• Eastar Jet: 91% on time

On average, flights on this route are punctual 89% of the time.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time of 8h 56m, compared to 9h 09m via Guangzhou Baiyun (CAN) and 9h 52m via Bangkok Don Mueang Intl (DMK).

Incheon Intl Airport is 2 hours ahead of Chiang Mai (Korean Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

Incheon Intl Airport (ICN) hosts 5 major car hire companies, with daily rates starting from around ฿396 for economy cars. Top options include:
• WECAR
• Wheego
• Yesaway
• Alamo
• Enterprise Rent-A-Car

Return flights from Chiang Mai to Incheon Intl Airport range from ฿10,371 to ฿15,242, with an average of ฿12,590 over the past 12 months. Anything below ฿10,371 counts as a good deal.