Route guide

Sioux Falls to Midway (FSD-SFB): Nonstop Upgrade & Award Space

Allegiant Air flies nonstop from Sioux Falls (FSD) to Midway (SFB) 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
1,334 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every FSD to SFB 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 Sioux Falls to Midway 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 FSD to SFB 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 FSD to SFB on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Sioux Falls to Midway nonstop

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

  • Allegiant Air
See FSD to SFB on the interactive map →

Frequently asked questions about FSD to SFB

How far is Midway from Sioux Falls?
FSD to SFB covers about 1,334 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from FSD to SFB?
Allegiant Air is currently the only airline flying FSD to SFB nonstop. 2LNR tracks confirmed upgrade and award space on every Allegiant Air departure.
How often does FSD to SFB 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 FSD to SFB?
Open the FSD to SFB calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Sioux Falls to Midway route, and 2LNR will notify you when space opens. It's free to start.

Never miss FSD to SFB upgrade or award space

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

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