$47 Cheap Flights from Sioux Falls (FSD) to Denver (DEN)

View $47 flight on Fri, Feb 20, 2026Opens in a new window

Popular airlines from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN)

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Cheap Flights from Sioux Falls to Denver (FSD-DEN)

Prices were available within the past 7 days and start at $47 for one-way flights and $94 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Dec 4 - Sun, Dec 7
FSD
Sioux Falls
DEN
Denver
$94 Roundtrip, found 1 hour ago
$94
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Sioux Falls to Denver, returning Sun, Dec 7, priced at $94 found 1 hour ago
Frontier Airlines
Sun, Dec 7 - Sun, Dec 14
FSD
Sioux Falls
DEN
Denver
$104 Roundtrip, found 1 day ago
$104
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Dec 7 from Sioux Falls to Denver, returning Sun, Dec 14, priced at $104 found 1 day ago
Frontier Airlines
Mon, Nov 17 - Mon, Nov 24
FSD
Sioux Falls
DEN
Denver
$127 Roundtrip, found 23 hours ago
$127
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Mon, Nov 17 from Sioux Falls to Denver, returning Mon, Nov 24, priced at $127 found 23 hours ago
Frontier Airlines
Mon, Dec 22 - Mon, Dec 29
FSD
Sioux Falls
DEN
Denver
$129 Roundtrip, found 3 days ago
$129
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Dec 22 from Sioux Falls to Denver, returning Mon, Dec 29, priced at $129 found 3 days ago
Frontier Airlines
Fri, Nov 14 - Sun, Nov 16
FSD
Sioux Falls
DEN
Denver
$131 Roundtrip, found 1 hour ago
$131
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Sioux Falls to Denver, returning Sun, Nov 16, priced at $131 found 1 hour ago
Frontier Airlines
Sun, Dec 14 - Fri, Dec 19
FSD
Sioux Falls
DEN
Denver
$132 Roundtrip, found 2 days ago
$132
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sun, Dec 14 from Sioux Falls to Denver, returning Fri, Dec 19, priced at $132 found 2 days ago
Frontier Airlines
Mon, Nov 17 - Fri, Nov 28
FSD
Sioux Falls
DEN
Denver
$137 Roundtrip, found 6 hours ago
$137
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Nov 17 from Sioux Falls to Denver, returning Fri, Nov 28, priced at $137 found 6 hours ago
American Airlines
Sun, Dec 7 - Thu, Dec 11
FSD
Sioux Falls
DEN
Denver
$186 Roundtrip, found 2 hours ago
$186
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sun, Dec 7 from Sioux Falls to Denver, returning Thu, Dec 11, priced at $186 found 2 hours ago
United
Thu, Dec 4 - Sun, Dec 7
FSD
Sioux Falls
DEN
Denver
$189 Roundtrip, found 1 hour ago
$189
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Dec 4 from Sioux Falls to Denver, returning Sun, Dec 7, priced at $189 found 1 hour ago
Delta
Wed, Dec 3 - Sun, Dec 7
FSD
Sioux Falls
DEN
Denver
$209 Roundtrip, found 7 hours ago
$209
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Dec 3 from Sioux Falls to Denver, returning Sun, Dec 7, priced at $209 found 7 hours ago

Find the cheapest month to fly from Sioux Falls (FSD) to Denver (DEN)

March is typically the cheapest month to fly

From $58 - $427 per traveler.

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $562
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $562

Frequently asked questions

How much does a flight from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN) cost?
Get a cheap one-way flight from $47 or cheap return flight from $94 from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN)?
Planning your trip for December can help you save, as it's the cheapest month for flights between FSD and DEN. You'll often find the lowest fares during off-peak months.
Which airlines fly direct from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN)?
You can fly straight from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN) on a United Airlines flight.
What is the cheapest airline that flies from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN)?
While prices can change depending on your travel dates, Frontier Airlines and United Airlines are popular choices for flights between Sioux Falls Regional Airport (FSD) and Denver Intl. Airport (DEN). You can also compare carriers on Expedia and use the "Sort by" filter to find the best deal for your FSD to DEN flight.
How many flights per day from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN)?
When departing from Sioux Falls Regional Airport (FSD), you can pick from an average of 4 daily nonstop flights to Denver Intl. Airport (DEN).
What are the most popular departure times for flights from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN)?
More passengers fly between FSD and DEN at 5 AM than at any other time. Rather go when it's quieter? Pick a flight outside the busiest times and you're likely to save on your ticket as well.
What day of the week has the most flights from FSD to DEN?
Depart on a Friday if you're after the best selection of flights from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN).
What is the earliest flight from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN)?
Sioux Falls Regional Airport (FSD)'s earliest flight to Denver Intl. Airport (DEN) departs at approximately 5:55AM UTC-6. With a travel duration of 2h 10m, you'll touch down at around 7:05AM UTC-7.
How long does it take to fly from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN)?
Flights from FSD to DEN have an average travel time of 2 hours and 4 minutes. The total distance between the two is 480 mi.
What airline has the least delays from FSD to DEN?
United Airlines has the best performance for on-time direct flights from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN), with an on-time score of 84%. Use the Expedia App to check your flight schedule before you leave and get immediate updates about any changes.
What is the best time to fly from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN)?
To avoid potential delays on the Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Denver from Sioux Falls Regional Airport (FSD)?
If you're on a direct flight from Sioux Falls Regional Airport (FSD) to Denver, Denver Intl. Airport (DEN) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN) last-minute?
Booking your flight from FSD to DEN just before your getaway is generally more expensive. But if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a FSD to DEN flight and hotel package?
You can save money by booking a FSD to DEN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Sioux Falls Regional Airport (FSD) to Denver Intl. Airport (DEN)?
Usually, it's possible to cancel or reschedule your FSD to DEN flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

0
Origin airport
Sioux Falls Regional
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$94
Distance
483 mi

Book with confidence

Sioux Falls to Denver Flights

The cheapest times to fly from Sioux Falls to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sioux Falls to Denver are during the month of December. You can find some of the cheapest flights from Sioux Falls to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sioux Falls to Denver

Sunday is one of the best days to book for cheap flights from Sioux Falls to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sioux Falls to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sioux Falls to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $47 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sioux Falls to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sioux Falls to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sioux Falls to Denver Flights

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