Frontier Airlines Will Suspend Sioux Falls Service
The airline plans to pause flights at Sioux Falls Regional Airport beginning in October.
Updated on Sept. 22, 2026 in Air Travel
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Frontier Airlines will discontinue flight service at Sioux Falls Regional Airport starting October 5, 2026. The airline is shifting its aircraft to routes in Florida.
Why it matters
The carrier is redeploying its fleet to manage routes previously vacated by Spirit Airlines. This transition temporarily removes the airline's presence from the Sioux Falls market.
Frontier Airlines has operated at Sioux Falls Regional Airport periodically since 2011. The airline currently maintains direct service to Denver for local travelers.
The players
Frontier Airlines
This low-cost carrier has provided air travel options to the Sioux Falls market since 2011.
Sioux Falls Regional Airport
This is the primary aviation hub serving the Sioux Falls metropolitan area and surrounding regions.
Spirit Airlines
This carrier previously operated routes in Florida that are now being serviced by redeployed Frontier aircraft.
The details
Frontier Airlines will halt operations at the airport to prioritize capacity on Florida routes formerly served by Spirit Airlines. Officials anticipate the service suspension will last until the following spring.
Timeline
Frontier Airlines first launched service to Sioux Falls in 2011.
The airline will suspend its Denver flight service on October 5, 2026.
Airport officials expect the airline to resume service in March 2027.
Travel Outlook
This move highlights the volatile nature of seasonal flight schedules in regional markets as airlines respond to shifting competitive dynamics. Carriers frequently reallocate aircraft to maintain profitability in high-traffic corridors during peak tourism periods.
Travelers who currently have flight reservations to or from Denver through Frontier should check their email for cancellation notifications or rebooking options. Those planning trips for late 2026 or early 2027 should look into alternative carriers serving the Sioux Falls Regional Airport.
The takeaway
Travelers in the region should monitor airline announcements closely as carriers shift routes to address competitor vacancies. Planning ahead by exploring secondary airlines can help avoid travel disruptions during seasonal service changes.
What happens next
Frontier Airlines service to and from Sioux Falls is expected to resume in March 2027, according to current airport projections.
Further reading
For more information on regional connectivity and updates, visit Air Travel.
Source note: This article includes information reported by Go Watertown.
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