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$43+ Cheap flights from Sioux Falls to Denver (FSD - DEN)

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — DEN
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
1 adult, Economy
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Cheapflights Tip: The best prices from Sioux Falls Joe Foss Field to Denver Intl are usually found in July or August, booked 30 days in advance, depart on a Friday or Saturday and return on a Monday

Cheap flight deals from Sioux Falls to Denver

Cheapest flights from Sioux Falls to Denver
Explore the most affordable flight options available from Sioux Falls to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 23, 2026.

This Frontier deal was found by Cheapflights users on 2/20. 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.
Mon 4/67:21 pm
FSD
-
DEN
Nonstop1h 52m
Frontier
Mon 4/133:55 pm
DEN
-
FSD
Nonstop1h 36m
Frontier
Deal found 2/20$115
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 2/271:59 pm
FSD
-
DEN
Nonstop1h 45m
Frontier
Sun 3/110:42 am
DEN
-
FSD
Nonstop1h 39m
Frontier
Deal found 2/19$117
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/12:16 pm
FSD
-
DEN
Nonstop1h 53m
Frontier
Mon 3/95:20 pm
DEN
-
FSD
Nonstop1h 39m
Frontier
Deal found 2/19$121
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 3/138:54 pm
FSD
-
DEN
Nonstop1h 55m
Frontier
Mon 3/165:20 pm
DEN
-
FSD
Nonstop1h 39m
Frontier
Deal found 2/20$132
This Frontier deal was found by Cheapflights users on 2/20. 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.
Mon 3/98:54 pm
FSD
-
DEN
Nonstop1h 55m
Frontier
Fri 3/135:20 pm
DEN
-
FSD
Nonstop1h 39m
Frontier
Deal found 2/20$133
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/12:16 pm
FSD
-
DEN
Nonstop1h 53m
Frontier
Fri 3/65:20 pm
DEN
-
FSD
Nonstop1h 39m
Frontier
Deal found 2/19$142
This Frontier deal was found by Cheapflights users on 2/19. 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 2/262:16 pm
FSD
-
DEN
Nonstop1h 53m
Frontier
Sun 3/110:42 am
DEN
-
FSD
Nonstop1h 39m
Frontier
Deal found 2/19$143
This Frontier deal was found by Cheapflights users on 2/19. 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 4/107:21 pm
FSD
-
DEN
Nonstop1h 52m
Frontier
Mon 4/133:55 pm
DEN
-
FSD
Nonstop1h 36m
Frontier
Deal found 2/19$154
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/68:54 pm
FSD
-
DEN
Nonstop1h 55m
Frontier
Mon 3/95:20 pm
DEN
-
FSD
Nonstop1h 39m
Frontier
Deal found 2/19$156
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 3/208:54 pm
FSD
-
DEN
Nonstop1h 55m
Frontier
Mon 3/235:20 pm
DEN
-
FSD
Nonstop1h 39m
Frontier
Deal found 2/21$162

Find flight deals from Sioux Falls to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Denver (DEN). 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 February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$115
(Frontier)

One-way from

$43
(Kiwi.com)

Popular in

January

Cheapest in

July

Average price

$189

Good round-trip deal

$283 or less

Good one-way deal

$221 or less
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Denver Intl flights.
Search Deals
From Sioux Falls Joe Foss Field to Denver Intl
Search Deals
One-way flight from Sioux Falls Joe Foss Field to Denver Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Sioux Falls Joe Foss Field to Denver Intl.
Search Deals
Price to beat on a one-way flight from Sioux Falls Joe Foss Field to Denver Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Denver 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 February 23, 2026.
Use the filters below to find and compare flights from Sioux Falls to Denver that are best for you.

Fly from

Sioux Falls

Fly to

Denver

Route

Depart

Return

Price

Sioux FallsDenver

FSD - DEN

FSDDEN

Sioux Falls Joe Foss Field

Fri 3/20

8:54 pm-9:49 pm

Nonstop1h 55m

Denver Intl

Mon 3/23

5:20 pm-7:59 pm

Nonstop1h 39m

$163

Sioux FallsDenver

FSD - DEN

FSDDEN

Sioux Falls Joe Foss Field

Sat 3/21

5:45 am-6:57 am

Nonstop2h 12m

Denver Intl

Sat 3/28

6:06 pm-8:40 pm

Nonstop1h 34m

$189

Sioux FallsDenver

FSD - DEN

FSDDEN

Sioux Falls Joe Foss Field

Thu 7/16

6:00 am-6:52 am

Nonstop1h 52m

Denver Intl

Sat 7/18

5:25 pm-8:04 pm

Nonstop1h 39m

$189

Sioux FallsDenver

FSD - DEN

FSDDEN

Sioux Falls Joe Foss Field

Thu 4/9

9:05 am-10:01 am

Nonstop1h 56m

Denver Intl

Mon 4/13

5:50 pm-8:30 pm

Nonstop1h 40m

$199

Sioux FallsDenver

FSD - DEN

FSDDEN

Sioux Falls Joe Foss Field

Sat 4/18

9:05 am-10:01 am

Nonstop1h 56m

Denver Intl

Mon 4/20

5:50 pm-8:30 pm

Nonstop1h 40m

$200

Sioux FallsDenver

FSD - DEN

FSDDEN

Sioux Falls Joe Foss Field

Fri 6/12

6:51 pm-7:55 pm

Nonstop2h 04m

Denver Intl

Fri 6/19

5:28 pm-8:08 pm

Nonstop1h 40m

$200

Sioux FallsDenver

FSD - DEN

FSDDEN

Sioux Falls Joe Foss Field

Thu 4/23

7:39 pm-11:59 pm

1 stop5h 20m

Denver Intl

Sun 4/26

6:22 am-12:57 pm

1 stop5h 35m

$224

Sioux FallsDenver

FSD - DEN

FSDDEN

Sioux Falls Joe Foss Field

Mon 3/23

8:54 pm-9:49 pm

Nonstop1h 55m

Denver Intl

Tue 3/24

11:59 pm-9:21 am

2 stops32h 22m

$237

Sioux FallsDenver

FSD - DEN

FSDDEN

Sioux Falls Joe Foss Field

Fri 6/12

5:05 pm-6:13 pm

Nonstop2h 08m

Denver Intl

Wed 6/17

5:28 pm-8:08 pm

Nonstop1h 40m

$248

Sioux FallsDenver

FSD - DEN

FSDDEN

Sioux Falls Joe Foss Field

Wed 7/29

1:18 pm-2:10 pm

Nonstop1h 52m

Denver Intl

Sat 8/1

5:28 pm-8:08 pm

Nonstop1h 40m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 22 results
1
2
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Compare providers for flights from Sioux Falls to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Denver in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sioux Falls-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux Falls-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux Falls to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Sioux Falls 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 Sioux Falls to Denver

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

Use this chart to determine the optimal time to book a round-trip flight from Sioux Falls to Denver. Price data was last updated on February 20, 2026.

The best time to book flights from Sioux Falls to Denver is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from Sioux Falls to Denver (average of $44). Flying from Sioux Falls to Denver in January is currently the most expensive (average of $136). 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 FSD to DEN?

Find hourly flight availability from Sioux Falls to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 23, 2026.

It’s optimal to fly from Sioux Falls to Denver in the evening. By choosing this option you can save up to 57% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Sioux Falls to Denver. Price data was last updated on February 21, 2026.

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

How much does it cost to fly round-trip from Sioux Falls to Denver?

The best insider tips for Sioux Falls to Denver flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Sioux Falls to Denver trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated February 23, 2026.
Get a feel of what it's like to fly with United Airlines and Frontier from Sioux Falls to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,342 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,342 reviews
United Airlines
7.4
Good
9,342 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Frontier
5.7
Fair
3,043 reviews
United Airlines
7.4
Good
9,342 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to Denver. 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 Sioux Falls to Denver?

    Denver Intl is the airport most travelers will use when flying to Denver from Sioux Falls Joe Foss Field. Booking flights from Joe Foss Field (FSD) to Denver Intl (DEN) should be relatively easy as there are 6 daily flights to Denver from 2 different airlines. 1h 45m is how long a flight from Sioux Falls to Denver Intl will take if you book a nonstop flight.

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

    Within the past month, 85 users have taken a look at flights from Sioux Falls Joe Foss Field to Denver Intl.

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

    Airlines like Frontier and United Airlines fly from Sioux Falls to Denver in about 1h 55m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 483 mi. All flights are typically nonstop.

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

    Our cheapest airline available from Sioux Falls to Denver is Frontier. Our recent data shows that you can find tickets from as low as $68 on this airline. An additional option worth looking into is United Airlines, starting at $159. You may be able to fly from Sioux Falls to Denver for 67% less than the average price by searching for these airlines.

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

    The top 3 most reliable airlines when flying from Sioux Falls to Denver are Lufthansa (90%), SkyWest Airlines (84%) and Copa Airlines (82%).

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

    The cheapest flight price from Sioux Falls to Denver is $75. On average you can expect to pay $437. The most popular route, (Sioux Falls Joe Foss Field - Denver Intl), can usually be booked for $189.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sioux Falls to Denver 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 Sioux Falls to Denver?

    Currently, March is the cheapest month in which you can book a flight from Sioux Falls to Denver (average of $44). Flying from Sioux Falls to Denver in January is currently the most expensive (average of $136). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Cripple Creek
Winter Park
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sioux Falls to Denver

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

Discover the top 2 airlines that operate flights from Sioux Falls to Denver. 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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$139FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$159Average$270FlexibilityNo cancel feeOn-time69%

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