Route guide

Windsor to Boise (STS-BOI): Nonstop Upgrade & Award Space

Alaska Airlines, Inc. flies the STS to BOI nonstop about 7 times a week. That's enough service to give you a real choice of departures, though premium seats don't sit unclaimed for long. 2LNR watches every STS to BOI departure for confirmed upgrade and award space and can alert you when a date you're tracking opens up.

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

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7
Nonstop flights a week
489 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every STS to BOI 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 Windsor to Boise 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 STS to BOI 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 STS to BOI on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Windsor to Boise nonstop

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

  • Alaska Airlines, Inc.
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Frequently asked questions about STS to BOI

How far is Boise from Windsor?
STS to BOI covers about 489 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from STS to BOI?
Alaska Airlines, Inc. is currently the only airline flying STS to BOI nonstop. 2LNR tracks confirmed upgrade and award space on every Alaska Airlines, Inc. departure.
How many flights a week are there from STS to BOI?
About 7 nonstop flights a week run between Windsor and Boise in the current schedule, operated by Alaska Airlines, Inc.. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on STS to BOI?
Open the STS to BOI calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Windsor to Boise route, and 2LNR will notify you when space opens. It's free to start.

Never miss STS to BOI upgrade or award space

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

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