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Sioux City

$628+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
COS — SUX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$628
(United Airlines)

Popular in

April

Cheapest in

December

Average price

$325
From Colorado Springs to Sioux City Sioux Gateway
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Colorado Springs to Sioux City

Cheapest flights from Colorado Springs to Sioux City
Explore the most affordable flight options available from Colorado Springs to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 9/2812:54 pmCOS - SUX
1 stop4h 20mUnited Airlines
Thu 10/26:51 pmSUX - COS
1 stop4h 03mUnited Airlines
Deal found 9/13$628

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 September 15, 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

Sun 9/28

12:54 pm-6:14 pm

1 stop4h 20m

Sioux City Sioux Gateway

Thu 10/2

6:51 pm-9:54 pm

1 stop4h 03m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, October is the cheapest month in which you can book a flight from Colorado Springs to Sioux City (average of $318). Flying from Colorado Springs to Sioux City in March 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.

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 4h 20m. United Airlines provides one of the quickest options available for as low as $628. 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, October is the cheapest month in which you can book a flight from Colorado Springs to Sioux City (average of $318). Flying from Colorado Springs to Sioux City in March 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.

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