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$324+ Cheap flights from Colorado Springs to Sioux City (COS - SUX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
COS — SUX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Colorado Springs to Sioux City

Best flights from Colorado Springs to Sioux City
Discover carefully curated flight deals from Colorado Springs to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 1/215:05 pmCOS - SUX
1 stop5h 42mUnited Airlines
Sat 1/246:00 amSUX - COS
1 stop3h 52mUnited Airlines
Deal found 12/14$324

Find flight deals from Colorado Springs to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Colorado Springs (COS) to Sioux City (SUX). 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$294
(United Airlines)

Popular in

April

Cheapest in

February

Average price

$350
Provider with most accurate pricing for Colorado Springs-Sioux City Sioux Gateway flight deals.
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Provider most trusted by Cheapflights users for Colorado Springs-Sioux City Sioux Gateway flights.
Search Deals
From Colorado Springs to Sioux City Sioux Gateway
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado Springs to Sioux City 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 December 18, 2025.
Use the filters below to find and compare flights from Colorado Springs to Sioux City that are best for you.

Fly from

Colorado Springs

Fly to

Sioux City

Route

Depart

Return

Price

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Wed 1/21

5:05 pm-11:47 pm

1 stop5h 42m

Sioux City Sioux Gateway

Sat 1/24

6:00 am-8:52 am

1 stop3h 52m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Compare providers for flights from Colorado Springs to Sioux City

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 Colorado Springs to Sioux City in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Colorado Springs-Sioux City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Colorado Springs-Sioux City flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Colorado Springs-Sioux City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Colorado Springs-Sioux City flights, Cheapflights users trust eDreams the most. eDreams 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 Colorado Springs-Sioux City 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 Colorado Springs to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Colorado Springs 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 Springs to Sioux City

What is the cheapest month to book a flight from Colorado Springs to Sioux City?

Currently, March is the cheapest month in which you can book a flight from Colorado Springs to Sioux City (average of $39). Flying from Colorado Springs to Sioux City in December is currently the most expensive (average of $90). 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.

Related info for your journey

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

  • How long is the flight from Colorado Springs to Sioux City?

    A quick flight from Colorado Springs to Sioux City can take about 5h 42m. United Airlines provides one of the quickest options available for as low as $324. Colorado Springs and Sioux City are separated by a distance of 501 mi.

  • Can I find deals for flights from Colorado Springs to Sioux City that include hotel bookings?

    Yes. In addition to deals on Colorado Springs to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado Springs to Sioux City?

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

  • Can I find deals for business class flights from Colorado Springs to Sioux City?

    Yes. Cheapflights offers flight deals from Colorado Springs to Sioux City 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 Springs to Sioux City?

    Currently, March is the cheapest month in which you can book a flight from Colorado Springs to Sioux City (average of $39). Flying from Colorado Springs to Sioux City in December is currently the most expensive (average of $90). 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.

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