Denver (DEN) route changes

Denver International Airport, United States. 1 change since 22 Sep 2026: 1 suspended.

voyarcairport coordinates, great circles

Denver (DEN) route changesSuspended

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Hub map: Every nonstop from Denver

Airlines: Frontier Airlines

Week of 21 Sep 20261 route

SuspendedFrontier Airlines22 Sep 2026Domestic

Denver to Sioux Falls pauses in October

DEN-FSD779 km

Frontier Airlines discontinues its Denver to Sioux Falls flights from 5 October 2026. Sioux Falls Regional Airport says it still hopes the service returns in March, with no update yet. Frontier is moving aircraft to Florida to cover routes left behind by Spirit Airlines, which stopped flying earlier in 2026.

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Route data from airline releases and schedule filings, rewritten and cited.
Weeks cut in Sydney, Australia time.