Airport route guide

Upgrade & Award Space from Yeosu (RSU)

Yeosu Airport (RSU) is a small station in Yeosu, KR with nonstop service to 2 destinations, served by Jin Air, Asiana Airlines, and Korean Air. Because the schedule is limited, an upgrade or award opening on a Jeju flight rarely lasts. 2LNR checks every RSU nonstop for confirmed availability, so a rare opening doesn't go unnoticed.

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

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2
Nonstop destinations
30+
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Confirmed upgrade & award space on every RSU route

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Pick any Yeosu destination below to open a calendar of departures with real availability, or watch a route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each RSU route, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch a Yeosu route and 2LNR notifies you when space appears.

Plan on the map

Explore every RSU nonstop on the interactive route map, with connections and route statistics.

All nonstop destinations from Yeosu (RSU)

2 nonstop destinations with active service from Yeosu Airport. Each route links to its confirmed upgrade and award availability.

Explore RSU routes on the interactive map →

Frequently asked questions about Yeosu (RSU)

How many nonstop destinations does Yeosu Airport (RSU) serve?
Yeosu Airport has active nonstop service to 2 destinations. The busiest markets from RSU are Jeju and Seoul. The full list, with live upgrade and award availability for each route, is on this page.
Which airlines fly upgrade-trackable routes from RSU?
Jin Air, Asiana Airlines, and Korean Air operate the most tracked routes from Yeosu, in that order. 2LNR covers upgrade and award space on more than 30 airlines, so other carriers serving RSU appear on their routes as well.
How do I check upgrade or award availability from RSU?
Pick any destination on this page, such as Jeju, to open a calendar of RSU departures with confirmed upgrade and award space, date by date. You can also set an alert so 2LNR notifies you when space opens on a route you care about.
Does 2LNR track flights from RSU?
Yes. Every active nonstop route from Yeosu Airport is tracked, 2 destinations in total, and what's shown is confirmed availability rather than a forecast. It's free to start.

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