Route guide

Seoul to Busan (ICN-PUS): Nonstop Upgrade & Award Space

Korean Air flies nonstop between Seoul (ICN) and Busan (PUS), roughly 39 times a week. With Korean Air operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every ICN to PUS 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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39
Nonstop flights a week
210 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every ICN to PUS 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 Busan 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 PUS 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 PUS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seoul to Busan nonstop

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

  • Korean Air
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Frequently asked questions about ICN to PUS

How far is Busan from Seoul?
ICN to PUS covers about 210 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 PUS?
Korean Air is currently the only airline flying ICN to PUS nonstop. 2LNR tracks confirmed upgrade and award space on every Korean Air departure.
How many flights a week are there from ICN to PUS?
About 39 nonstop flights a week run between Seoul and Busan in the current schedule, operated by Korean 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 PUS?
Open the ICN to PUS calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Seoul to Busan route, and 2LNR will notify you when space opens. It's free to start.

Never miss ICN to PUS upgrade or award space

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