Denver (DEN) to Sioux Falls (FSD) flights
2 airlines fly nonstop from Denver (DEN) to Sioux Falls (FSD): Frontier Airlines and United Airlines. The two airports are 483 miles (778 km) apart. United Airlines is in Star Alliance. There are also 3 ways to fly it with one stop, through Minneapolis, Chicago and Dallas.
Airlines flying nonstop from DEN to FSD
- Frontier AirlinesNot in an allianceWho books it

- United AirlinesStar Alliance Β· bookable with 13 programsWho books it

Book DEN to FSD with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
DEN to FSD with one stop
3 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Minneapolis (MSP)Delta Air Lines the whole way

+2

- Via Chicago (ORD)American Airlines and United Airlines the whole way





- Via Dallas (DFW)American Airlines the whole way




DEN to FSD: common questions
Which airlines fly nonstop from DEN to FSD?
Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Denver (DEN) to Sioux Falls (FSD).
How far is Denver from Sioux Falls by plane?
Denver (DEN) and Sioux Falls (FSD) are 483 miles (778 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book DEN to FSD award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does DEN to FSD cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for DEN to FSD with taxes and fees.
Where can I connect between Denver and Sioux Falls?
The most direct connections are through Minneapolis (MSP), Chicago (ORD) and Dallas (DFW). On 3 of them the same airline flies both flights, for example Delta Air Lines through Minneapolis.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.