Route guide

Ulsan to Seoul (USN-GMP): Nonstop Upgrade & Award Space

Asiana Airlines, Korean Air, and Jin Air fly nonstop between Ulsan (USN) and Seoul (GMP), roughly 33 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 USN 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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33
Nonstop flights a week
196 mi
Nonstop distance
Free
To get started

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

Airlines flying Ulsan to Seoul nonstop

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

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

Frequently asked questions about USN to GMP

How far is Seoul from Ulsan?
USN to GMP covers about 196 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from USN to GMP?
Asiana Airlines, Korean Air, and Jin Air fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all three of them.
How many flights a week are there from USN to GMP?
About 33 nonstop flights a week run between Ulsan and Seoul in the current schedule, operated by Asiana Airlines, Korean Air, 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 USN to GMP?
Open the USN to GMP calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Ulsan to Seoul route, and 2LNR will notify you when space opens. It's free to start.

Never miss USN to GMP upgrade or award space

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