Route guide

Las Vegas to Sioux Falls (LAS-FSD): Nonstop Upgrade & Award Space

Allegiant Air flies nonstop from Las Vegas (LAS) to Sioux Falls (FSD) just once 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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1
Nonstop flights a week
1,103 mi
Nonstop distance
Free
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Confirmed upgrade & award space on every LAS to FSD 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 Las Vegas to Sioux Falls 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 LAS to FSD 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 LAS to FSD on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Las Vegas to Sioux Falls nonstop

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

  • Allegiant Air
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Frequently asked questions about LAS to FSD

How far is Sioux Falls from Las Vegas?
LAS to FSD covers about 1,103 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from LAS to FSD?
Allegiant Air is currently the only airline flying LAS to FSD nonstop. 2LNR tracks confirmed upgrade and award space on every Allegiant Air departure.
How often does LAS to FSD operate?
The nonstop currently runs once a week, on Allegiant Air. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on LAS to FSD?
Open the LAS to FSD calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Las Vegas to Sioux Falls route, and 2LNR will notify you when space opens. It's free to start.

Never miss LAS to FSD upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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