Route guide

Yeosu to Seoul (RSU-GMP): Nonstop Upgrade & Award Space

Asiana Airlines and Jin Air fly nonstop between Yeosu (RSU) and Seoul (GMP), roughly 21 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every RSU to GMP departure, so you know which flights have space before you book.

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

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21
Nonstop flights a week
193 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every RSU to GMP 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 Yeosu to Seoul 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 RSU to GMP 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 RSU to GMP on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Yeosu to Seoul nonstop

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

  • Asiana Airlines
  • Jin Air
See RSU to GMP on the interactive map →

Frequently asked questions about RSU to GMP

How far is Seoul from Yeosu?
RSU to GMP covers about 193 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from RSU to GMP?
Asiana Airlines and Jin Air fly the route nonstop. 2LNR tracks confirmed upgrade and award space on both of them.
How many flights a week are there from RSU to GMP?
About 21 nonstop flights a week run between Yeosu and Seoul in the current schedule, operated by Asiana Airlines and 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 RSU to GMP?
Open the RSU to GMP calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Yeosu to Seoul route, and 2LNR will notify you when space opens. It's free to start.

Never miss RSU to GMP upgrade or award space

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

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