Airport route guide

Upgrade & Award Space from Nis (INI)

From Nis Constantine the Great Airport (INI) in RS, Jat Airways, Ryanair, and Wizz Air fly nonstop to 16 destinations. It's enough volume to carry real upgrade and award inventory, though the best seats to Hesingue tend to go quickly. 2LNR monitors confirmed space on each Nis route so you can act while it's still available.

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

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Nonstop destinations

30+

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Confirmed upgrade & award space on every INI 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 Nis 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 INI route, checked against live inventory so you know what is open before you book.

Set an alert

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

Plan on the map

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

All nonstop destinations from Nis (INI)

16 nonstop destinations with active service from Nis Constantine the Great Airport. Each route links to its confirmed upgrade and award availability.

Explore INI routes on the interactive map →

Frequently asked questions about Nis (INI)

How many nonstop destinations does Nis Constantine the Great Airport (INI) serve?

Nis Constantine the Great Airport has active nonstop service to 16 destinations. The busiest markets from INI are Hesingue, Memmingerberg, and Belgrade. The full list, with live upgrade and award availability for each route, is on this page.

Which airlines fly upgrade-trackable routes from INI?

Jat Airways, Ryanair, and Wizz Air operate the most tracked routes from Nis, in that order. 2LNR covers upgrade and award space on more than 30 airlines, so other carriers serving INI appear on their routes as well.

How do I check upgrade or award availability from INI?

Pick any destination on this page, such as Hesingue, to open a calendar of INI 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 INI?

Yes. Every active nonstop route from Nis Constantine the Great Airport is tracked, 16 destinations in total, and what's shown is confirmed availability rather than a forecast. It's free to start.

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