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$51+ Cheap flights from Denver to Sioux Falls (DEN - FSD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — FSD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Sioux Falls Joe Foss Field are usually found in September or October, booked 76 days in advance, depart on a Monday or Thursday and return on a Friday

Cheap flight deals from Denver to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Sioux Falls (FSD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$118
(Frontier)

One-way from

$51
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$139

Good round-trip deal

$149 or less

Good one-way deal

$117 or less
From Denver Intl to Sioux Falls Joe Foss Field
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One-way flight from Denver Intl to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 15% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Denver Intl to Sioux Falls Joe Foss Field.
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Price to beat on a one-way flight from Denver Intl to Sioux Falls Joe Foss Field.
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Find flight deals from Denver to Sioux Falls

Cheapest flights from Denver to Sioux Falls
Explore the most affordable flight options available from Denver to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:32 amDEN - FSD
Nonstop1h 37mFrontier
Sun 10/52:54 pmFSD - DEN
Nonstop1h 51mFrontier
Deal found 9/10$118
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:45 amDEN - FSD
Nonstop1h 39mFrontier
Mon 10/137:28 pmFSD - DEN
Nonstop1h 48mFrontier
Deal found 9/10$125
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/103:57 pmDEN - FSD
Nonstop1h 36mFrontier
Mon 10/137:28 pmFSD - DEN
Nonstop1h 48mFrontier
Deal found 9/10$135
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1911:32 amDEN - FSD
Nonstop1h 37mFrontier
Mon 9/222:54 pmFSD - DEN
Nonstop1h 51mFrontier
Deal found 9/11$139
This Priceline deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:45 amDEN - FSD
Nonstop1h 39mFrontier
Sun 10/122:23 pmFSD - DEN
Nonstop1h 52mFrontier
Deal found 9/10$140
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1911:32 amDEN - FSD
Nonstop1h 37mFrontier
Sun 9/212:54 pmFSD - DEN
Nonstop1h 51mFrontier
Deal found 9/11$152
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:58 amDEN - FSD
Nonstop1h 40mFrontier
Sun 11/22:23 pmFSD - DEN
Nonstop1h 52mFrontier
Deal found 9/10$156
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:32 amDEN - FSD
Nonstop1h 37mFrontier
Sun 9/282:54 pmFSD - DEN
Nonstop1h 51mFrontier
Deal found 9/10$158
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/173:57 pmDEN - FSD
Nonstop1h 36mFrontier
Sun 10/192:23 pmFSD - DEN
Nonstop1h 52mFrontier
Deal found 9/10$161
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:32 amDEN - FSD
Nonstop1h 37mFrontier
Mon 9/292:54 pmFSD - DEN
Nonstop1h 51mFrontier
Deal found 9/11$162
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/144:01 pmDEN - FSD
Nonstop1h 37mMultiple Airlines
Mon 12/1510:12 amFSD - DEN
1 stop12h 36mMultiple Airlines
Deal found 9/10$172

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Sioux Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Denver to Sioux Falls that are best for you.

Fly from

Denver

Fly to

Sioux Falls

Route

Depart

Return

Price

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Sat 10/11

5:45 pm-8:21 pm

Nonstop1h 36m

Sioux Falls Joe Foss Field

Sat 10/18

5:14 pm-6:10 pm

Nonstop1h 56m

$189

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Tue 10/14

5:45 pm-8:21 pm

Nonstop1h 36m

Sioux Falls Joe Foss Field

Tue 10/28

8:47 am-9:50 am

Nonstop2h 03m

$189

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Fri 10/10

3:57 pm-6:33 pm

Nonstop1h 36m

Sioux Falls Joe Foss Field

Mon 10/13

9:32 pm-8:12 am

1 stop11h 40m

$203

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Fri 9/19

11:32 am-2:09 pm

Nonstop1h 37m

Sioux Falls Joe Foss Field

Sun 9/21

2:54 pm-3:45 pm

Nonstop1h 51m

$214

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Fri 10/17

5:45 pm-8:21 pm

Nonstop1h 36m

Sioux Falls Joe Foss Field

Sat 10/18

6:00 am-6:48 am

Nonstop1h 48m

$219

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Thu 11/6

5:44 pm-11:59 pm

1 stop5h 15m

Sioux Falls Joe Foss Field

Mon 11/10

5:27 pm-10:19 pm

1 stop5h 52m

$234

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Fri 9/26

2:05 pm-11:38 am

2 stops20h 33m

Sioux Falls Joe Foss Field

Sun 9/28

2:54 pm-3:45 pm

Nonstop1h 51m

$235

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Sat 9/20

4:00 pm-10:44 pm

1 stop5h 44m

Sioux Falls Joe Foss Field

Tue 9/23

5:46 pm-11:08 pm

1 stop6h 22m

$244

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Fri 11/28

5:50 pm-8:23 pm

Nonstop1h 33m

Sioux Falls Joe Foss Field

Tue 12/2

9:00 am-9:59 am

Nonstop1h 59m

$249

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Tue 9/30

8:01 am-10:42 am

Nonstop1h 41m

Sioux Falls Joe Foss Field

Tue 10/7

6:00 am-6:48 am

Nonstop1h 48m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
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Best time to book a flight from Denver to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Sioux Falls

How far ahead should I book a flight from Denver to Sioux Falls?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Sioux Falls. Price data was last updated on August 29, 2025.

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Sioux Falls. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Denver to Sioux Falls?

Currently, September is the cheapest month in which you can book a flight from Denver to Sioux Falls (average of $334). Flying from Denver to Sioux Falls in December is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to FSD?

Find hourly flight availability from Denver to Sioux Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Denver to Sioux Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 48% versus a flight at noon.

What is the cheapest day to fly from Denver to Sioux Falls?

Use this chart to determine the cheapest time to fly round-trip from Denver to Sioux Falls. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Denver to Sioux Falls flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Sioux Falls

Get insights into the airlines that provide service to Sioux Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux Falls. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown United Airlines and Frontier from Denver to Sioux Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Frontier
5.8
Fair
3,177 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Denver to Sioux Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to Sioux Falls?

    If you wish to fly to Sioux Falls from Denver, then you need to book flights from Denver Intl to Sioux Falls Joe Foss Field. There are 5 flights from Denver Intl (DEN) to Joe Foss Field (FSD) per day to choose from. Flights to Sioux Falls from Denver Intl are available from 2 different airlines, which means you should have some options if you want to compare airfare deals. 1h 26m is how long a nonstop flight from Denver to Sioux Falls Joe Foss Field typically takes.

  • How popular is this Denver to Sioux Falls flight route?

    Within the past month, 2 users have taken a look at flights from Denver Intl to Sioux Falls Joe Foss Field.

  • How long is the flight from Denver to Sioux Falls?

    A quick flight from Denver to Sioux Falls can take about 1h 36m. United Airlines provides one of the quickest options available for as low as $189. The distance from Denver to Sioux Falls is about 483 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Denver to Sioux Falls round-trip?

    Currently priced at $68, Frontier will fly you from Denver to Sioux Falls and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $189. Users have found that Frontier is 68% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Denver to Sioux Falls?

    No one likes to see their flight delayed. When booking a flight from Denver to Sioux Falls consider choosing SkyWest Airlines (74%), Frontier (66%) or United Airlines (62%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Denver to Sioux Falls?

    The cheapest flight price from Denver to Sioux Falls is $76. On average you can expect to pay $163. The most popular route, (Denver Intl - Sioux Falls Joe Foss Field), can usually be booked for $179.

  • Can I find deals for flights from Denver to Sioux Falls that include hotel bookings?

    Yes. In addition to deals on Denver to Sioux Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Sioux Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Sioux Falls.

  • Can I find deals for business class flights from Denver to Sioux Falls?

    Yes. Cheapflights offers flight deals from Denver to Sioux Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Sioux Falls?

    Currently, September is the cheapest month in which you can book a flight from Denver to Sioux Falls (average of $334). Flying from Denver to Sioux Falls in December is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Marshall

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Alternative routes for Denver to Sioux Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Denver to Sioux Falls

Discover the top 2 airlines that operate flights from Denver to Sioux Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$146FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$189Average$302FlexibilityNo cancel feeOn-time69%

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