Route guide

Nagasaki to Seoul (NGS-ICN): Nonstop Upgrade & Award Space

Korean Air flies nonstop from Nagasaki (NGS) to Seoul (ICN) just three times a week. With so few departures, each one carries the only premium seats on the route that day. 2LNR tracks confirmed upgrade and award space on all of them, so a rare opening doesn't slip past you.

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

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3
Nonstop flights a week
370 mi
Nonstop distance
Free
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Confirmed upgrade & award space on every NGS to ICN 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 Nagasaki 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 NGS to ICN 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 NGS to ICN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Nagasaki to Seoul nonstop

Carriers operating NGS to ICN 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 NGS to ICN

How far is Seoul from Nagasaki?
NGS to ICN covers about 370 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from NGS to ICN?
Korean Air is currently the only airline flying NGS to ICN nonstop. 2LNR tracks confirmed upgrade and award space on every Korean Air departure.
How often does NGS to ICN operate?
The nonstop currently runs three times a week, on Korean Air. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on NGS to ICN?
Open the NGS to ICN calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Nagasaki to Seoul route, and 2LNR will notify you when space opens. It's free to start.

Never miss NGS to ICN upgrade or award space

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