Seoul to Changsha (ICN-CSX): nonstop upgrade & award space

Korean Air, Asiana Airlines, and China Southern Airlines fly the ICN to CSX nonstop about 12 times a week. That is enough service for a real choice of departures, though on a sector this short the premium cabin is a handful of seats and does not sit unclaimed for long. 2LNR tracks award seats on China Southern Airlines across every ICN to CSX date, so you can see whether a seat exists before you move points.

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

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12
Nonstop flights a week
998 mi
Nonstop distance
Free
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Seoul to Changsha flight schedule

Scheduled nonstop departures for ICN to CSX, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Seoul (ICN) to Changsha (CSX)
Date Flight Airline Departs ICN Arrives CSX Duration Aircraft
OZ 321Asiana Airlines21:1023:303h 20m32Q
KE 145Korean Air21:4000:053h 25m73J
OZ 321Asiana Airlines21:1023:303h 20m32Q
KE 145Korean Air21:4000:053h 25m73J
OZ 321Asiana Airlines21:1023:303h 20m32Q
KE 145Korean Air21:4000:053h 25m73J
CZ 3066China Southern Airlines13:4516:053h 20m32N
OZ 321Asiana Airlines21:1023:303h 20m32Q
KE 145Korean Air21:4023:553h 15m73J
OZ 321Asiana Airlines21:1023:303h 20m32Q
KE 145Korean Air22:4001:003h 20m73J
CZ 3066China Southern Airlines13:4516:053h 20m32N

Showing all 12 scheduled ICN to CSX departures across the next 7 days with service. 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 has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every ICN to CSX date on the interactive map

Award seats on ICN to CSX departures

2LNR tracks award seats on China Southern Airlines, date by date. Open the calendar for Seoul to Changsha to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each ICN to CSX departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

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

Airlines flying Seoul to Changsha nonstop

Carriers operating ICN to CSX nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See ICN to CSX on the interactive map →

Frequently asked questions about ICN to CSX

How far is Changsha from Seoul?
ICN to CSX covers about 998 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from ICN to CSX?
Korean Air, Asiana Airlines, and China Southern Airlines fly the route nonstop. 2LNR tracks award seats on China Southern Airlines.
How many flights a week are there from ICN to CSX?
About 12 nonstop flights a week run between Seoul and Changsha in the current schedule, operated by Korean Air, Asiana Airlines, and China Southern Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ICN to CSX depart?
Scheduled ICN to CSX nonstops in the next 7 days with service leave between 13:45 and 22:40, local time at Seoul. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on ICN to CSX?
Open the ICN to CSX route on the interactive map or the matrix to see award seats by date on China Southern Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss ICN to CSX upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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