--- title: "Seoul (ICN) to Changsha (CSX) flights: who flies it" description: "China Southern Airlines, Asiana Airlines and Korean Air fly nonstop from ICN to CSX, about 11 flights a week. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/icn-csx" url: "https://2lnr.com/routes/icn-csx.md" date_modified: "2026-10-18T05:10:47Z" --- # Seoul to Changsha (ICN-CSX): nonstop flights and award space Asiana Airlines, Korean Air, and China Southern Airlines fly the ICN to CSX nonstop about 11 times a week. The timetable below shows the nonstop scheduled at 3h 20m to 3h 45m for the 998 miles. 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 October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See ICN to CSX on the interactive map [Get started free](https://2lnr.com/login) 11 Flights a week, 4-week average 3h 20m to 3h 45m Scheduled flight time 998 mi Nonstop distance Free To get started ## Seoul to Changsha flight schedule Scheduled nonstop departures for ICN to CSX starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Seoul (ICN) to Changsha (CSX) | Date | Flight | Airline | Departs ICN | Arrives CSX | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | OZ 321 | Asiana Airlines | 21:10 | 23:30 | 3h 20m | [Airbus A321neo family](https://2lnr.com/seatmaps/oz/a321neo.md) | | Fri, Oct 23 | KE 145 | Korean Air | 21:40 | 00:05 | 3h 25m | [Boeing 737-900](https://2lnr.com/seatmaps/ke/737-900.md) | | Sat, Oct 24 | CZ 3066 | China Southern Airlines | 13:45 | 16:05 | 3h 20m | [Airbus A320neo](https://2lnr.com/seatmaps/cz/a320neo.md) | | Sun, Oct 25 | OZ 321 | Asiana Airlines | 21:10 | 23:30 | 3h 20m | Airbus A321neo family | | Mon, Oct 26 | OZ 321 | Asiana Airlines | 21:10 | 23:30 | 3h 20m | Airbus A321neo family | | Tue, Oct 27 | CZ 3066 | China Southern Airlines | 13:40 | 16:20 | 3h 40m | Airbus A320neo | | Wed, Oct 28 | KE 145 | Korean Air | 08:55 | 11:40 | 3h 45m | Boeing 737-900 | | Thu, Oct 29 | OZ 321 | Asiana Airlines | 21:10 | 23:30 | 3h 20m | Airbus A321neo family | | Thu, Oct 29 | KE 145 | Korean Air | 21:40 | 00:05 | 3h 25m | Boeing 737-900 | Showing all 9 scheduled ICN to CSX departures across 7 days with service, starting October 23, 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 CSX date on the interactive map ## Aircraft on the Seoul to Changsha nonstop In the schedule table on this page, Asiana Airlines flies the [Airbus A321neo family](https://2lnr.com/seatmaps/oz/a321neo.md). Korean Air flies the [Boeing 737-900](https://2lnr.com/seatmaps/ke/737-900.md). China Southern Airlines flies the [Airbus A320neo](https://2lnr.com/seatmaps/cz/a320neo.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## 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. China Southern Airlines award space was open on none of the 5 Seoul to Changsha departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Award seats by date on the ICN to CSX departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're 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. Where 2LNR tracks the carrier, its departures show award space by date. - [Asiana Airlines (OZ) route map](https://2lnr.com/routes/airlines/oz.md)\ [The aircraft OZ flies](https://2lnr.com/seatmaps/oz.md) - [Korean Air (KE) route map](https://2lnr.com/routes/airlines/ke.md)\ [The aircraft KE flies](https://2lnr.com/seatmaps/ke.md) - [China Southern Airlines (CZ) route map](https://2lnr.com/routes/airlines/cz.md)\ [The aircraft CZ flies](https://2lnr.com/seatmaps/cz.md) See ICN to CSX on the interactive map → ## Frequently asked questions about ICN to CSX **How long is the flight from Seoul (ICN) to Changsha (CSX)?** Scheduled flight times from Seoul (ICN) to Changsha (CSX) run from 3h 20m to 3h 45m across the departures in the schedule table on this page. The nonstop covers about 998 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from ICN to CSX?** Asiana Airlines, Korean Air, and China Southern Airlines fly ICN to CSX nonstop. 2LNR tracks award seats on China Southern Airlines. **How many flights a week are there from ICN to CSX?** About 11 nonstop flights a week run between Seoul (ICN) and Changsha (CSX) in the current schedule, operated by Asiana Airlines, Korean Air, 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 08:55 and 21:40, 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 CSX nonstop?** In the schedule table on this page, ICN to CSX nonstops fly as OZ 321 on Asiana Airlines, KE 145 on Korean Air, and CZ 3066 on China Southern Airlines. The table lists each departure by date with its times and aircraft. **How do I check 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. Flying the other way? See [CSX to ICN nonstop flights and award space](https://2lnr.com/routes/csx-icn.md). Award seats rather than schedules? See [China Southern Airlines award availability](https://2lnr.com/awards/cz.md). Looking beyond this route? See [every route from Seoul (ICN)](https://2lnr.com/routes/icn.md), or [every route from Changsha (CSX)](https://2lnr.com/routes/csx.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## See ICN to CSX award space by date See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)