$84 Cheap Flights from Denver (DEN) to Sioux Falls (FSD)

View $84 flight on Wed, Jun 24, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $84 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, May 9 - Sat, May 16
DEN
Denver
FSD
Sioux Falls
$157 Roundtrip, found 6 hours ago
$157
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, May 9 from Denver to Sioux Falls, returning Sat, May 16, priced at $157 found 6 hours ago
Delta
Sat, May 9 - Sat, May 16
DEN
Denver
FSD
Sioux Falls
$177 Roundtrip, found 6 hours ago
$177
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, May 9 from Denver to Sioux Falls, returning Sat, May 16, priced at $177 found 6 hours ago
Delta
Fri, May 8 - Mon, May 11
DEN
Denver
FSD
Sioux Falls
$179 Roundtrip, found 5 hours ago
$179
Roundtrip
found 5 hours ago
Select Delta flight, departing Fri, May 8 from Denver to Sioux Falls, returning Mon, May 11, priced at $179 found 5 hours ago
Delta
Sat, May 9 - Sat, May 16
DEN
Denver
FSD
Sioux Falls
$192 Roundtrip, found 6 hours ago
$192
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, May 9 from Denver to Sioux Falls, returning Sat, May 16, priced at $192 found 6 hours ago
Frontier Airlines
Mon, May 11 - Wed, May 13
DEN
Denver
FSD
Sioux Falls
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, May 11 from Denver to Sioux Falls, returning Wed, May 13, priced at $194 found 1 day ago
Delta
Sat, May 9 - Sat, May 16
DEN
Denver
FSD
Sioux Falls
$197 Roundtrip, found 6 hours ago
$197
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, May 9 from Denver to Sioux Falls, returning Sat, May 16, priced at $197 found 6 hours ago
Frontier Airlines
Mon, Jun 8 - Wed, Jun 10
DEN
Denver
FSD
Sioux Falls
$198 Roundtrip, found 4 hours ago
$198
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Mon, Jun 8 from Denver to Sioux Falls, returning Wed, Jun 10, priced at $198 found 4 hours ago
Frontier Airlines
Fri, May 1 - Fri, May 8
DEN
Denver
FSD
Sioux Falls
$200 Roundtrip, just found
$200
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 1 from Denver to Sioux Falls, returning Fri, May 8, priced at $200 just found
United
Tue, Jun 30 - Thu, Jul 9
DEN
Denver
FSD
Sioux Falls
$249 Roundtrip, just found
$249
Roundtrip
just found
Select United flight, departing Tue, Jun 30 from Denver to Sioux Falls, returning Thu, Jul 9, priced at $249 just found
American Airlines
Fri, May 8 - Sun, May 10
DEN
Denver
FSD
Sioux Falls
$269 Roundtrip, found 1 hour ago
$269
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, May 8 from Denver to Sioux Falls, returning Sun, May 10, priced at $269 found 1 hour ago

Alternative airports near Sioux Falls

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

Select flight to Sioux Falls Regional FSD. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $200
FSD
Sioux Falls Regional
CheapestClosest
Average driving time to city center6 min
Flights from $200

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) cost?
You can find cheap one-way flights from $84 and cheap return flights from $157 Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) with Expedia. One-way flights usually range from $154 to $666, and return flights typically cost between $280 and $1033. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The cheapest month to fly from DEN to FSD is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Choose from 2 airlines operating direct flights from DEN to FSD:

  • United operates around 34 direct flights from DEN to FSD every week
  • Frontier Airlines operates around 7 direct flights from DEN to FSD every week

What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Denver Intl. (DEN) to Sioux Falls Regional (FSD), with round-trip tickets starting from around $161. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The best airline to fly with from Denver, CO (DEN) to Sioux Falls, SD (FSD) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. American Airlines offers the most daily flights from DEN to FSD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
On average, there are around 5 nonstop flights per day from Denver Intl. (DEN) to Sioux Falls Regional (FSD). For more options, look at flights that include layovers.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The earliest flight from Denver International Airport (DEN) to Sioux Falls Regional Airport (FSD) usually leaves at around 12:55 AM. This flight is operated by American Airlines and is a seasonal service active in December. An early departure can help you maximize your time in Sioux Falls. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The most popular departure times for flights from Denver International Airport (DEN) to Sioux Falls Regional Airport (FSD) are in the late morning, from 9am to noon. About 24% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines, and Frontier Airlines, offer flights during this window. This timing is favored as it allows you to arrive in Sioux Falls with plenty of time to enjoy your day.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Flying nonstop from DEN to FSD takes around 1 hour 50 minutes, with the route covering approximately 484 miles. Flights with a layover typically take 3 hours 40 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
First class seats are offered on the DEN to FSD route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How much is a business class flight from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
A non-stop, one-way business class flight from Denver (DEN) to Sioux Falls (FSD) is usually around $283 - $758. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sioux Falls from Denver Intl. (DEN)?
If you're planning to travel to Sioux Falls from Denver Intl. (DEN), you can fly into Sioux Falls Regional (FSD) Some flights may connect through major hubs like Austin-Bergstrom Intl. (AUS), Charlotte-Douglas Intl. (CLT), Salt Lake City Intl. (SLC) before reaching Sioux Falls. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) Sioux Falls Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
If you booked your Denver, CO (DEN-Denver Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Sioux Falls Regional
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$156
Distance
483 mi
Average flight time
2 hours 43 mins

*Flight schedules are subject to change.

*Available to One Key members.

 

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