United States Β· 483 miles (778 km)

Sioux Falls (FSD) to Denver (DEN) flights

2 airlines fly nonstop from Sioux Falls (FSD) to Denver (DEN): 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 FSD to DEN

Book FSD to DEN with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

FSD to DEN 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
    Delta Air Lines logo
    Delta Air Lines logo
    Frontier Airlines logo
    Sun Country Airlines logo
    +2
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo

FSD to DEN: common questions

Which airlines fly nonstop from FSD to DEN?

Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Sioux Falls (FSD) to Denver (DEN).

How far is Sioux Falls from Denver by plane?

Sioux Falls (FSD) and Denver (DEN) 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 FSD to DEN 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 FSD to DEN cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for FSD to DEN with taxes and fees.

Where can I connect between Sioux Falls and Denver?

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.