HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Dakota

$36+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — FSD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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 September 17, 2025.

Round-trip from

$101
(Cheapflightsfares)

One-way from

$36
(Cheapflightsfares)

Popular in

December

Cheapest in

July

Average price

$186

Good round-trip deal

$142 or less

Good one-way deal

$89 or less
From Colorado to South Dakota
Search Deals
One-way flight from Colorado to South Dakota
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Colorado to South Dakota.
Search Deals
Price to beat on a one-way flight from Colorado to South Dakota.
Search Deals

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 September 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Thu 10/911:45 amDEN - FSD
Nonstop1h 39mFrontier
Sun 10/122:23 pmFSD - DEN
Nonstop1h 52mFrontier
Deal found 9/16$101
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 10/103:57 pmDEN - FSD
Nonstop1h 36mFrontier
Sun 10/122:23 pmFSD - DEN
Nonstop1h 52mFrontier
Deal found 9/16$102
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/610:58 amDEN - FSD
Nonstop1h 40mFrontier
Sun 11/92:23 pmFSD - DEN
Nonstop1h 52mFrontier
Deal found 9/16$111
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 10/311:32 amDEN - FSD
Nonstop1h 37mFrontier
Sun 10/52:54 pmFSD - DEN
Nonstop1h 51mFrontier
Deal found 9/16$122
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/238:21 pmDEN - FSD
1 stop22h 40mMultiple Airlines
Mon 10/277:28 pmFSD - DEN
Nonstop1h 48mMultiple Airlines
Deal found 9/15$141
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 10/133:57 pmDEN - FSD
Nonstop1h 36mFrontier
Mon 10/207:28 pmFSD - DEN
Nonstop1h 48mFrontier
Deal found 9/15$145
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/1611:45 amDEN - FSD
Nonstop1h 39mFrontier
Sun 10/192:23 pmFSD - DEN
Nonstop1h 52mFrontier
Deal found 9/15$162
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Thu 10/2311:45 amDEN - FSD
Nonstop1h 39mFrontier
Sun 10/262:23 pmFSD - DEN
Nonstop1h 52mFrontier
Deal found 9/15$174
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 36mMultiple Airlines
Mon 10/206:11 pmFSD - DEN
1 stop15h 01mMultiple Airlines
Deal found 9/15$180
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/2311:45 amDEN - FSD
Nonstop1h 39mMultiple Airlines
Sun 10/268:42 pmFSD - DEN
1 stop27h 13mMultiple Airlines
Deal found 9/16$188
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/1711:23 amDEN - RAP
Nonstop1h 14mUnited Airlines
Mon 10/208:30 amRAP - DEN
Nonstop1h 25mUnited Airlines
Deal found 9/15$189
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/305:27 pmDEN - RAP
Nonstop1h 13mUnited Airlines
Sat 10/45:50 pmRAP - DEN
Nonstop1h 34mUnited Airlines
Deal found 9/15$199

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 September 17, 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

Thu 10/9

11:45 am-2:24 pm

Nonstop1h 39m

Sioux Falls Joe Foss Field

Sun 10/12

2:23 pm-3:15 pm

Nonstop1h 52m

$101

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Fri 10/10

3:57 pm-6:33 pm

Nonstop1h 36m

Sioux Falls Joe Foss Field

Sun 10/12

2:23 pm-3:15 pm

Nonstop1h 52m

$102

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Fri 10/3

11:32 am-2:09 pm

Nonstop1h 37m

Sioux Falls Joe Foss Field

Sun 10/5

2:54 pm-3:45 pm

Nonstop1h 51m

$122

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Thu 10/23

8:21 pm-8:01 pm

1 stop22h 40m

Sioux Falls Joe Foss Field

Mon 10/27

7:28 pm-8:16 pm

Nonstop1h 48m

$141

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Fri 10/17

11:23 am-12:37 pm

Nonstop1h 14m

Rapid City

Mon 10/20

8:30 am-9:55 am

Nonstop1h 25m

$189

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Wed 10/15

7:20 pm-8:34 pm

Nonstop1h 14m

Rapid City

Sat 10/18

7:00 am-8:17 am

Nonstop1h 17m

$189

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Sat 10/11

1:30 pm-4:13 pm

Nonstop1h 43m

Sioux Falls Joe Foss Field

Tue 10/14

9:30 am-10:15 am

Nonstop1h 45m

$189

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Thu 10/16

8:01 am-10:42 am

Nonstop1h 41m

Sioux Falls Joe Foss Field

Sun 10/19

9:30 am-10:15 am

Nonstop1h 45m

$194

DenverRapid City

DEN - RAP

DENRAP

Denver Intl

Tue 9/30

5:27 pm-6:40 pm

Nonstop1h 13m

Rapid City

Sat 10/4

5:50 pm-7:24 pm

Nonstop1h 34m

$199

DenverSioux Falls

DEN - FSD

DENFSD

Denver Intl

Tue 9/30

8:01 am-10:42 am

Nonstop1h 41m

Sioux Falls Joe Foss Field

Sat 10/4

6:00 am-6:48 am

Nonstop1h 48m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 57 results
1
2
3
...
6

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 September 17, 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 September 17, 2025.

The most flights from USCO to USSD are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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 September 17, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Frontier 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.
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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!
Frontier
5.8
Fair
3,173 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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?

    Within the past month, 2 users have taken a look at flights from Colorado to South Dakota.

  • How long is the flight from Colorado to South Dakota?

    For as low as $189, Frontier can have you in South Dakota from Colorado in 1h 14m. The distance from Colorado to South Dakota is about 300 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $81. Delta flights start at $119 while deals on United Airlines start at $129 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.
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Miami flights
John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to Fort Lauderdale flights
San Francisco to John F Kennedy Intl flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to LaGuardia flights
LaGuardia to O'Hare Intl flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to O'Hare Intl flights
John F Kennedy Intl to Orlando flights
O'Hare Intl to John F Kennedy Intl flights
Los Angeles to Seattle flights
Seattle to Los Angeles flights
LaGuardia to Dallas/Fort Worth flights
LaGuardia to Miami flights
Newark to Las Vegas flights
Dallas/Fort Worth to O'Hare Intl flights
O'Hare Intl to Dallas/Fort Worth flights
Newark to O'Hare Intl flights
O'Hare Intl to LaGuardia flights
John F Kennedy Intl to San Francisco flights
Los Angeles to Newark flights
Newark to Miami flights
Dallas/Fort Worth to Seattle flights
Seattle to Las Vegas flights
Newark to Orlando flights
O'Hare Intl to Las Vegas flights
Newark to Los Angeles flights
Los Angeles to LaGuardia flights
Dallas/Fort Worth to Denver flights
Los Angeles to San Francisco flights
San Francisco to Las Vegas flights
John F Kennedy Intl to Fort Lauderdale flights
Seattle to Sky Harbor Intl flights
Los Angeles to Honolulu flights
San Francisco to Newark flights
O'Hare Intl to Newark flights
Ontario to Seattle flights
Newark to Dallas/Fort Worth flights
Los Angeles to O'Hare Intl flights
Atlanta to LaGuardia flights
LaGuardia to Orlando flights
Seattle to Dallas/Fort Worth flights
Dulles Intl to Dallas/Fort Worth flights
O'Hare Intl to Sky Harbor Intl flights
John F Kennedy Intl to Sky Harbor Intl flights

Top 4 airlines flying from Colorado to South Dakota

Discover the top 4 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$147FlexibilityNo cancel feeOn-time62%
Denver Air ConnectionCheapest$154Average$263FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$392FlexibilityNo cancel feeOn-time69%
DeltaCheapest$361Average$493FlexibilityNo cancel feeOn-timeN/A

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.