Route guide

Seoul to Ishigaki (ICN-ISG): Nonstop Upgrade & Award Space

Jin Air flies the ICN to ISG nonstop about 7 times a week. That's enough service to give you a real choice of departures, though premium seats don't sit unclaimed for long. 2LNR watches every ICN to ISG departure for confirmed upgrade and award space and can alert you when a date you're tracking opens up.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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7
Nonstop flights a week
917 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every ICN to ISG departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Seoul to Ishigaki to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each ICN to ISG 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 ISG on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seoul to Ishigaki nonstop

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

  • Jin Air
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Frequently asked questions about ICN to ISG

How far is Ishigaki from Seoul?
ICN to ISG covers about 917 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from ICN to ISG?
Jin Air is currently the only airline flying ICN to ISG nonstop. 2LNR tracks confirmed upgrade and award space on every Jin Air departure.
How many flights a week are there from ICN to ISG?
About 7 nonstop flights a week run between Seoul and Ishigaki in the current schedule, operated by Jin Air. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on ICN to ISG?
Open the ICN to ISG calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Seoul to Ishigaki route, and 2LNR will notify you when space opens. It's free to start.

Never miss ICN to ISG upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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