A waterfall, a river, and ruins of an old structure.

$133 Cheap Flights from Denver (DEN) to Sioux Falls (FSD)

View $133 flight on Mon, Oct 5, 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 $133 for one-way flights and $290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Oct 2 - Mon, Oct 5
DEN
Denver
FSD
Sioux Falls
$290 Roundtrip, found 1 hour ago
$290
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Oct 2 from Denver to Sioux Falls, returning Mon, Oct 5, priced at $290 found 1 hour ago
United
Fri, Nov 6 - Mon, Nov 9
DEN
Denver
FSD
Sioux Falls
$299 Roundtrip, just found
$299
Roundtrip
just found
Select United flight, departing Fri, Nov 6 from Denver to Sioux Falls, returning Mon, Nov 9, priced at $299 just found
United
Wed, Oct 21 - Sat, Oct 24
DEN
Denver
FSD
Sioux Falls
$312 Roundtrip, found 6 days ago
$312
Roundtrip
found 6 days ago
Select United flight, departing Wed, Oct 21 from Denver to Sioux Falls, returning Sat, Oct 24, priced at $312 found 6 days ago
United
Wed, Oct 21 - Mon, Oct 26
DEN
Denver
FSD
Sioux Falls
$313 Roundtrip, found 2 hours ago
$313
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Oct 21 from Denver to Sioux Falls, returning Mon, Oct 26, priced at $313 found 2 hours ago
United
Fri, Nov 13 - Sun, Nov 15
DEN
Denver
FSD
Sioux Falls
$314 Roundtrip, found 1 hour ago
$314
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Nov 13 from Denver to Sioux Falls, returning Sun, Nov 15, priced at $314 found 1 hour ago
American Airlines
Fri, Nov 6 - Mon, Nov 9
DEN
Denver
FSD
Sioux Falls
$319 Roundtrip, just found
$319
Roundtrip
just found
Select American Airlines flight, departing Fri, Nov 6 from Denver to Sioux Falls, returning Mon, Nov 9, priced at $319 just found
Delta
Fri, Nov 6 - Mon, Nov 9
DEN
Denver
FSD
Sioux Falls
$319 Roundtrip, just found
$319
Roundtrip
just found
Select Delta flight, departing Fri, Nov 6 from Denver to Sioux Falls, returning Mon, Nov 9, priced at $319 just found
Frontier Airlines
Mon, Oct 5 - Mon, Oct 12
DEN
Denver
FSD
Sioux Falls
$323 Roundtrip, found 6 days ago
$323
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Oct 5 from Denver to Sioux Falls, returning Mon, Oct 12, priced at $323 found 6 days ago
United
Fri, Oct 9 - Fri, Oct 16
DEN
Denver
FSD
Sioux Falls
$326 Roundtrip, found 2 days ago
$326
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 9 from Denver to Sioux Falls, returning Fri, Oct 16, priced at $326 found 2 days ago
United
Sun, Oct 11 - Sun, Oct 18
DEN
Denver
FSD
Sioux Falls
$327 Roundtrip, found 1 day ago
$327
Roundtrip
found 1 day ago
Select United flight, departing Sun, Oct 11 from Denver to Sioux Falls, returning Sun, Oct 18, priced at $327 found 1 day 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 $542
FSD
Sioux Falls Regional
CheapestClosest
Average driving time to city center6 min
Flights from $542

What you need to know for your flight from Denver Intl. to Sioux Falls Regional

Denver (DEN) to Sioux Falls (FSD) at a glance

Travel between Denver (DEN) and Sioux Falls (FSD) with a selection of airlines offering convenient domestic short-haul flights. Compare various options from both full-service and budget carriers to discover the itinerary that aligns with your budget, timing, and travel needs as you look forward to exploring the notable sights and neighborhoods of Sioux Falls. Here, you'll find essential information regarding flights from Denver International Airport (DEN) to Sioux Falls Regional Airport (FSD).

  • Fastest flight duration: around 1h 45m non-stop
  • Route distance: roughly 500 miles (805 km)
  • Flights per week: around 14 flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $45–$375, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Sioux Falls Regional Airport (FSD)

Based on the latest traveler bookings, here are the top airlines flying from Denver to Sioux Falls, favored for their non-stop and one-stop flights. Common layover options include Minneapolis - St. Paul International Airport (MSP) with about a 2-hour layover, and Dallas-Fort Worth International Airport (DFW) which has around a 1 hour and 30-minute layover. These choices allow you to mix and match factors like price, total travel time, and cabin class to find the ideal itinerary for your journey.

  • United: This full-service airline provides non-stop flights, dominating the route with about 75% of departures. One-way fares generally fall between $95 and $445, and the total travel time is approximately 1 hour and 45 minutes.
  • Frontier Airlines: Known as a low-cost carrier, Frontier offers non-stop services with one-way tickets typically priced from $45 to $190. They represent around 23% of departures on this route, with a journey time of 1 hour and 45 minutes.
  • Delta: Offering one-stop service, Delta's flights feature one-way fares ranging from $100 to $640, although they comprise only about 1% of departures. Passengers can expect around 3 hours and 45 minutes of flight time and an overall journey time of approximately 5 hours and 30 minutes, including layover.
  • American Airlines: Another full-service option, American Airlines provides one-stop flights with typical one-way fares between $90 and $415. Like Delta, they account for roughly 1% of departures, with a total travel time of about 5 hours and 30 minutes, including a layover, and an in-flight duration of 3 hours and 45 minutes.

Travelers have the option to enhance their journey from Denver to Sioux Falls with an upgrade. United Airlines provides first-class service on this route.

Best time to fly from Denver (DEN) to Sioux Falls (FSD)

The most popular months for travelers flying from Denver to Sioux Falls are March, June, and July, when peak temperatures in Sioux Falls reach up to 73.2°F in July. If you prefer quieter travel, consider October, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 49.3°F. For better deals, June usually offers the lowest average one-way fare around $134. Flight availability peaks in May, June, and July, with approximately 17 flights per week, making it easier to find convenient departure times. February and April have the fewest flights, with approximately 11 flights per week.

  • Cheapest time to fly: June usually offers good deals with average one-way fare around $134, roughly 16% cheaper than the yearly average.
  • More budget-friendly months to fly: October, August, and July typically offer average one-way fares of around $140.
  • Most flight options: May, June, and July have the highest number of flights from Denver to Sioux Falls, with approximately 17 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January16.9°F (-8.4°C)Average12$198
February19.2°F (-7.1°C)Average11$165
March34.9°F (1.6°C)Slightly High15$176
April46.2°F (7.9°C)Average11$183
May58.6°F (14.8°C)Average17$164
June69.4°F (20.8°C)Slightly High17$134
July73.2°F (22.9°C)Slightly High17$142
August71.4°F (21.9°C)Average16$141
September64.6°F (18.1°C)Average16$146
October49.3°F (9.6°C)Slightly Low16$139
November36.1°F (2.3°C)Slightly Low14$161
December22.8°F (-5.1°C)Slightly Low13$176

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Denver (DEN) to Sioux Falls (FSD)

  • Denver to Madison (DEN-XMD): Madison Municipal Airport (XMD) is located approximately 35 miles from Sioux Falls Regional Airport (FSD).

How to find the best prices for flights from Denver (DEN) to Sioux Falls (FSD)

Getting some of the best deals on flights from Denver to Sioux Falls is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures (5am-12pm) typically offer lower prices, while afternoon flights (12pm-6pm) are more popular. Additionally, flying on Wednesday usually results in cheaper rates, even though Friday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Sioux Falls hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sioux Falls Regional Airport from Denver International Airport

Sioux Falls welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Here's how to reach Sioux Falls efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Sioux Falls, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Sioux Falls Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sioux Falls Regional Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

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 $133 and cheap return flights from $290 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 October 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
$290
Distance
483 mi
Average flight time
2 hours 42 mins

Book with confidence

Denver to Sioux Falls Flights

The cheapest times to fly from Denver to Sioux Falls

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 Denver to Sioux Falls are during the month of October. You can find some of the cheapest flights from Denver to Sioux Falls with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Denver to Sioux Falls: 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 Denver to Sioux Falls

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 Denver to Sioux Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $133 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 Denver to Sioux Falls 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 Denver to Sioux Falls 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.

 

Denver to Sioux Falls Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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