฿2,893 Find Cheap Flights from Seoul Incheon Airport to Chiang Mai – Compare and Save

Among airlines operating Incheon Intl Airport to Chiang Mai flights:

• Jeju Air: offers free seat selection
• Korean Air: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

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

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

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

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 Incheon Intl Airport to Chiang Mai.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average ฿6,765 return via Guangzhou Baiyun (CAN), compared with ฿10,458 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿739–฿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 Incheon Intl Airport to Chiang Mai most commonly connect through:

• Beijing Capital (PEK) – 30% of one-stop connections
• Bangkok Suvarnabhumi (BKK) – 24% of one-stop connections
• Bangkok Don Mueang Intl (DMK) – 20% of one-stop connections
• Kuala Lumpur Intl (KUL) – 9% of one-stop connections

Beijing Capital (PEK) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 15% on the Incheon Intl Airport to Chiang Mai route. Wednesday is the cheapest departure day at ฿9,568 return on average, while Tuesday is the most expensive at ฿11,245, a difference of ฿1,677. 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 Incheon Intl Airport to Chiang Mai route, 16% of flights were delayed in the past 3 months, with delays averaging 1 hour 33 minutes.

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

Some of the most popular sights in Chiang Mai are Tha Phae Gate, Wat Jed Yot, and Chang Puak Gate. These are among the most viewed places in Chiang Mai on KAYAK.

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

• Earliest: departs at 16:45 and lands at 22:38
• Latest: departs at 19:55 and lands at 01:48.

The flight takes about 5h 53m.

Last-minute fares on this route (booked within 2 weeks of departure) run 6% below the route average of ฿10,448. Booking late can sometimes save money on this route, but inventory is limited.

A direct flight from Incheon Intl Airport to Chiang Mai takes 5h 53m, 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.

One-way fares from Incheon Intl Airport to Chiang Mai are currently lower than usual. Average one-way flight prices are about ฿3,416, which is 33% below the typical average for this route.

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

• Air Busan: 100% on time
• Asiana Airlines: 95% on time
• Jeju Air: 93% on time

On average, flights on this route are punctual 84% of the time.

Evening 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 58m, compared to 9h 26m via Hong Kong Intl (HKG) and 9h 57m via Bangkok Don Mueang Intl (DMK).

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

Chiang Mai Airport (CNX) hosts 5 major car hire companies, with daily rates starting from around ฿409 for economy cars. Top options include:
• Drive Car Rental
• Alamo
• Sixt
• Hertz
• Yesaway

Return flights from Incheon Intl Airport to Chiang Mai range from ฿8,471 to ฿12,796, with an average of ฿10,448 over the past 12 months. Anything below ฿8,471 counts as a good deal.