South Dakota

$71+ Cheap flights from Colorado to South Dakota

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — FSD
Jul 30 — Aug 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to South Dakota with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colorado to South Dakota

Keep the following information in mind while searching for Colorado to South Dakota flight deals. Data was last updated July 25, 2025.

Round-trip from

$113
(Frontier)

One-way from

$71
(Frontier)

Popular in

March

Cheapest in

September

Average price

$179

Good round-trip deal

$126 or less

Good one-way deal

$89 or less
From Colorado to South Dakota
One-way flight from Colorado to South Dakota
Highest demand for flights based on searches. 20% potential increase in price ($53 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Colorado to South Dakota.
Price to beat on a one-way flight from Colorado to South Dakota.

Find flight deals from Colorado to South Dakota

Cheapest flights from Colorado to South Dakota
Explore the most affordable flight options available from Colorado to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2025.

This Frontier deal was found by Cheapflights users on 7/22. 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 9/1911:32 amDEN - FSD
Nonstop1h 37mFrontier
Sun 9/212:54 pmFSD - DEN
Nonstop1h 51mFrontier
Deal found 7/22$108
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/148:47 pmDEN - RAP
Nonstop1h 13mUnited Airlines
Tue 8/197:00 amRAP - DEN
Nonstop1h 16mUnited Airlines
Deal found 7/24$189
This United Airlines deal was found by Cheapflights users on 7/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:00 amDEN - FSD
Nonstop1h 41mUnited Airlines
Mon 9/85:06 pmFSD - DEN
Nonstop1h 51mUnited Airlines
Deal found 7/22$189
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:16 pmDEN - FSD
1 stop4h 30mDelta
Mon 8/256:04 pmFSD - DEN
1 stop6h 05mDelta
Deal found 7/23$199
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/212:47 pmDEN - FSD
1 stop5h 17mAmerican Airlines
Sun 8/245:15 pmFSD - DEN
1 stop5h 36mAmerican Airlines
Deal found 7/23$204
This United Airlines deal was found by Cheapflights users on 7/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2212:50 pmCOS - RAP
1 stop3h 12mUnited Airlines
Sun 8/247:00 amRAP - COS
1 stop3h 54mUnited Airlines
Deal found 7/22$229
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/72:30 pmDEN - ATY
Nonstop1h 42mUnited Airlines
Mon 8/116:44 pmATY - DEN
Nonstop1h 56mUnited Airlines
Deal found 7/23$240
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/81:53 pmDEN - PIR
Nonstop1h 26mUnited Airlines
Tue 8/126:22 amPIR - DEN
Nonstop1h 38mUnited Airlines
Deal found 7/24$240
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:11 amCOS - FSD
1 stop5h 13mDelta
Sun 9/75:00 amFSD - COS
1 stop6h 16mDelta
Deal found 7/22$249
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:37 amCOS - FSD
1 stop4h 56mAmerican Airlines
Mon 11/31:03 pmFSD - COS
1 stop5h 31mAmerican Airlines
Deal found 7/23$269
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/291:51 pmDEN - ATY
1 stop6h 17mDelta
Sun 8/315:15 amATY - DEN
1 stop5h 40mDelta
Deal found 7/23$292
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:15 amDEN - ABR
1 stop7h 04mDelta
Sun 9/76:25 amABR - DEN
1 stop4h 30mDelta
Deal found 7/23$322

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to South Dakota 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 July 25, 2025.
Use the filters below to find and compare flights from Colorado to South Dakota that are best for you.

Fly from

Colorado

Fly to

South Dakota

Route

Depart

Return

Price

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

$108

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Thu 8/14

8:47 pm-10:00 pm

Nonstop1h 13m

Rapid City

Tue 8/19

7:00 am-8:16 am

Nonstop1h 16m

$189

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Thu 9/4

8:00 am-10:41 am

Nonstop1h 41m

Sioux Falls Joe Foss Field

Mon 9/8

5:06 pm-5:57 pm

Nonstop1h 51m

$189

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Fri 8/22

6:16 pm-11:46 pm

1 stop4h 30m

Sioux Falls Joe Foss Field

Mon 8/25

6:04 pm-11:09 pm

1 stop6h 05m

$199

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Thu 8/21

2:47 pm-9:04 pm

1 stop5h 17m

Sioux Falls Joe Foss Field

Sun 8/24

5:15 pm-9:51 pm

1 stop5h 36m

$204

Colorado SpringsRapid City

COS - RAP

COSRAP

Colorado Springs

Fri 8/22

12:50 pm-4:02 pm

1 stop3h 12m

Rapid City

Sun 8/24

7:00 am-10:54 am

1 stop3h 54m

$229

DenverWatertown

DEN - ATY

DENATY

Denver Intl

Thu 8/7

2:30 pm-5:12 pm

Nonstop1h 42m

Watertown

Mon 8/11

6:44 pm-7:40 pm

Nonstop1h 56m

$240

DenverPierre

DEN - PIR

DENPIR

Denver Intl

Fri 8/8

1:53 pm-4:19 pm

Nonstop1h 26m

Pierre

Tue 8/12

6:22 am-7:00 am

Nonstop1h 38m

$240

Colorado SpringsSioux Falls

COS - FSD

COSFSD

Colorado Springs

Thu 9/4

11:11 am-5:24 pm

1 stop5h 13m

Sioux Falls Joe Foss Field

Sun 9/7

5:00 am-10:16 am

1 stop6h 16m

$249

Colorado SpringsSioux Falls

COS - FSD

COSFSD

Colorado Springs

Fri 10/31

10:37 am-4:33 pm

1 stop4h 56m

Sioux Falls Joe Foss Field

Mon 11/3

1:03 pm-5:34 pm

1 stop5h 31m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 31 results
1
2
3
4

Best time to book a flight from Colorado to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota from Colorado 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 Colorado to South Dakota

What is the cheapest month to book a flight from Colorado to South Dakota?

Currently, September is the cheapest month in which you can book a flight from Colorado to South Dakota (average of $334). Flying from Colorado to South Dakota 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 CO to SD?

Find hourly flight availability from Colorado to South Dakota. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to South Dakota as you normally would.

Weekly flight availability from Colorado to South Dakota

Explore weekly flight availability from Colorado to South Dakota. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 25, 2025.

The most flights from USCO to USSD are scheduled on a Wednesday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Colorado to South Dakota?

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated July 25, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Colorado to South Dakota by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Colorado to South Dakota. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Colorado to South Dakota flight route?

  • What are the cheapest airlines to fly from Colorado to South Dakota one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $71. Delta flights start at $119 while deals on Denver Air Connection start at $131 one-way.

  • Can I find deals for flights from Colorado to South Dakota that include hotel bookings?

    Yes. In addition to deals on Colorado to South Dakota flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to South Dakota?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to South Dakota.

  • Can I find deals for business class flights from Colorado to South Dakota?

    Yes. Cheapflights offers flight deals from Colorado to South Dakota 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 Colorado to South Dakota?

    Currently, September is the cheapest month in which you can book a flight from Colorado to South Dakota (average of $334). Flying from Colorado to South Dakota 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Colorado to South Dakota

Discover the top 3 airlines that operate flights from Colorado to South Dakota. 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 July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$136FlexibilityNo cancel feeOn-time62%
Denver Air ConnectionCheapest$155Average$253FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$384FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.