Seoul to Chiang Mai (ICN-CNX): nonstop flights and who flies them

Eastar Jet, Korean Air, Jeju Air, Trinity Airways, and Air Busan fly nonstop between Seoul (ICN) and Chiang Mai (CNX), roughly 21 times a week. The timetable below shows the nonstop scheduled at 5h 25m to 6h 20m for the 2,101 miles.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

Updated .

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21
Flights a week, 4-week average
5h 25m to 6h 20m
Scheduled flight time
2,101 mi
Nonstop distance
Free
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Seoul to Chiang Mai flight schedule

Scheduled nonstop departures for ICN to CNX starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Seoul (ICN) to Chiang Mai (CNX)
Date Flight Airline Departs ICN Arrives CNX Duration Aircraft
LJ 9Jin Air17:2020:455h 25mBoeing 737 MAX 8
7C 2515Jeju Air18:1022:005h 50mBoeing 737 MAX 8
ZE 517Eastar Jet18:3022:306hBoeing 737-800
BX 7475Air Busan19:5523:505h 55mAirbus A321
LJ 9Jin Air17:2020:455h 25mBoeing 737 MAX 8
7C 2515Jeju Air18:1022:005h 50mBoeing 737 MAX 8
LJ 9Jin Air17:2020:455h 25mBoeing 737 MAX 8
7C 2515Jeju Air18:1022:005h 50mBoeing 737 MAX 8
ZE 517Eastar Jet18:3022:105h 40mBoeing 737-800
BX 7475Air Busan19:5523:505h 55mAirbus A321
LJ 27Jin Air16:4520:405h 55mBoeing 737 MAX 8
ZE 5171Eastar Jet17:2520:505h 25mBoeing 737-800
KE 683Korean Air18:4522:456hAirbus A330-300
BX 9029Air Busan19:0023:106h 10mAirbus A321
7C 2515Jeju Air19:2523:456h 20mBoeing 737-800
ZE 517Eastar Jet17:2520:505h 25mBoeing 737-800
KE 683Korean Air18:4522:456hAirbus A330-300
7C 2515Jeju Air19:2523:456h 20mBoeing 737-800
ZE 517Eastar Jet17:2521:205h 55mBoeing 737-800
KE 683Korean Air18:4522:456hAirbus A330-300
ZE 517Eastar Jet17:2520:505h 25mBoeing 737-800
KE 683Korean Air18:4522:456hAirbus A330-300
BX 9029Air Busan19:0023:106h 10mAirbus A321

Showing all 23 scheduled ICN to CNX departures across 7 days with service, starting October 22, 2026. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every ICN to CNX date on the interactive map

Aircraft on the Seoul to Chiang Mai nonstop

In the schedule table on this page, Eastar Jet flies the Boeing 737-800. Jeju Air flies the Boeing 737 MAX 8 and the Boeing 737-800. Jin Air flies the Boeing 737 MAX 8. Air Busan flies the Airbus A321. Korean Air flies the Airbus A330-300. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

The full ICN to CNX nonstop schedule

This page carries the full ICN to CNX nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See the schedule

Who operates each ICN to CNX nonstop and how often it runs, from 2LNR's schedule data.

Plan on the map

See ICN to CNX on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seoul to Chiang Mai nonstop

Carriers operating ICN to CNX nonstop in the current schedule.

See ICN to CNX on the interactive map →

Frequently asked questions about ICN to CNX

How long is the flight from Seoul (ICN) to Chiang Mai (CNX)?
Scheduled flight times from Seoul (ICN) to Chiang Mai (CNX) run from 5h 25m to 6h 20m across the departures in the schedule table on this page. The nonstop covers about 2,101 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.
Which airlines fly nonstop from ICN to CNX?
Eastar Jet, Korean Air, Jeju Air, Trinity Airways, and Air Busan fly ICN to CNX nonstop.
How many flights a week are there from ICN to CNX?
About 21 nonstop flights a week run between Seoul (ICN) and Chiang Mai (CNX) in the current schedule, operated by Eastar Jet, Korean Air, Jeju Air, Trinity Airways, and Air Busan. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ICN to CNX depart?
Scheduled ICN to CNX nonstops in the next 7 days with service leave between 16:45 and 19:55, local time at Seoul. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Which flights operate ICN to CNX nonstop?
In the schedule table on this page, ICN to CNX nonstops fly as ZE 517 and ZE 5171 on Eastar Jet; 7C 2515 on Jeju Air; BX 7475 and BX 9029 on Air Busan; KE 683 on Korean Air; and LJ 9 and LJ 27 on Jin Air. The table lists each departure by date with its times and aircraft.
Where do I find the ICN to CNX schedule?
The page carries the full ICN to CNX nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full ICN to CNX nonstop schedule

Every scheduled departure on this route, with who flies it.

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