Sioux Falls to Denver flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Sioux Falls to Denver is €190 (checked on 20 Oct 2026).

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Lowest observed

€190

Average observed

€196

Cheapest month

March 2027

Last checked

27 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €190

Below average

8 Mar 2027

One way

Cheapest observed day · Last checked: 20 Oct 2026

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search

Lowest observed: €190, departing 8 Mar 2027 (Last checked: 20 Oct 2026)One-way fareCheck live prices for this route
Airlines seen: United Airlines, Allegiant Air, American Airlines, Delta Air Lines, Frontier Airlines
Reported fastest flight: 1h 53m
Non-stop: Yes

Short answer

Routavio has seen United Airlines fares from Sioux Falls to Denver, non-stop. The lowest fare Routavio's own searches returned is €190, seen on 20 Oct 2026. The average across the fares we caught is €196. March 2027 is the cheapest month in our observations, at €190. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from Sioux Falls to Denver. Prices move often, so pick your dates to see the latest options.

Route distance: 806 km
Reported fastest flight: 1h 53m
Alternative airports: APA

Route-level information; individual journeys vary.
Published schedules report non-stop service with United Airlines. Check current timetables.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Airport to city: straight-line distance

Sioux Falls Regional Airport (FSD) → Sioux Falls, city gazetteer reference point (43.5473, -96.7283): ≈ 4 km.
Denver International Airport (DEN) → Denver, city gazetteer reference point (39.7392, -104.9847): ≈ 30 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much is a flight from Sioux Falls to Denver?

The lowest fare Routavio has observed is €190, found on 20 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Sioux Falls to Denver?

In our observations March 2027 is the cheapest month so far, at €190.

Are there direct flights from Sioux Falls to Denver?

Yes. Published schedules report non-stop flights on this route with United Airlines.

Which airlines fly from Sioux Falls to Denver?

Routavio has seen these carriers on the route: United Airlines, Allegiant Air, American Airlines, Delta Air Lines, Frontier Airlines.

How long does the flight from Sioux Falls to Denver take?

Across the 83 fares Routavio observed, the average journey time is 17h 42m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Sioux Falls to Denver fares were non-stop?

23 of the 83 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide