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Sioux City

$314+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
COS — SUX
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
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Cheap 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 March 19, 2026.

This United Airlines deal was found by Cheapflights users on 3/18. 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 8/186:00 am
COS
-
SUX
1 stop3h 55m
United Airlines
Sat 8/226:30 pm
SUX
-
COS
1 stop3h 54m
United Airlines
Deal found 3/18$314
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/16:00 am
COS
-
SUX
1 stop3h 46m
United Airlines
Sun 4/56:00 am
SUX
-
COS
1 stop3h 49m
United Airlines
Deal found 3/17$324
This United Airlines deal was found by Cheapflights users on 3/18. 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 4/76:00 am
COS
-
SUX
1 stop3h 46m
United Airlines
Sat 4/116:00 am
SUX
-
COS
1 stop6h 05m
United Airlines
Deal found 3/18$344
This United Airlines deal was found by Cheapflights users on 3/15. 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 7/316:00 am
COS
-
SUX
1 stop3h 57m
United Airlines
Sun 8/26:30 pm
SUX
-
COS
1 stop4h 36m
United Airlines
Deal found 3/15$384
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Sat 3/216:00 am
COS
-
SUX
1 stop3h 45m
United Airlines
Sun 3/226:30 pm
SUX
-
COS
1 stop3h 34m
United Airlines
Deal found 3/18$414

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$314
(United Airlines)
Provider with most accurate pricing for Colorado Springs-Sioux City Sioux Gateway flight deals.
Search Deals
Provider most trusted by Cheapflights users for Colorado Springs-Sioux City Sioux Gateway flights.
Search Deals
From Colorado Springs to Sioux City Sioux Gateway
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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 March 19, 2026.
Use the filters below to find and compare flights from Colorado Springs to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Tue 8/18

6:00 am-10:55 am

1 stop3h 55m

Sioux City Sioux Gateway

Sat 8/22

6:30 pm-9:24 pm

1 stop3h 54m

$314
Quickest round-trip

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Wed 4/1

6:00 am-10:46 am

1 stop3h 46m

Sioux City Sioux Gateway

Sun 4/5

6:00 am-8:49 am

1 stop3h 49m

$324

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Tue 4/7

6:00 am-10:46 am

1 stop3h 46m

Sioux City Sioux Gateway

Sat 4/11

6:00 am-11:05 am

1 stop6h 05m

$344

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Fri 7/31

6:00 am-10:57 am

1 stop3h 57m

Sioux City Sioux Gateway

Sun 8/2

6:30 pm-10:06 pm

1 stop4h 36m

$384
Cheapest one-way
Quickest one-way

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Mon 4/6

5:13 pm-10:46 am

1 stop16h 33m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Sorted by cheapest first

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice 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 Colorado Springs-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Colorado Springs-Sioux City flight deals on Cheapflights vs. FlightHub >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 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 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, February is the cheapest month in which you can book a flight from Colorado Springs to Sioux City (average of $58). Flying from Colorado Springs to Sioux City in September is currently the most expensive (average of $84). 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 3h 55m. United Airlines provides one of the quickest options available for as low as $314. 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, February is the cheapest month in which you can book a flight from Colorado Springs to Sioux City (average of $58). Flying from Colorado Springs to Sioux City in September is currently the most expensive (average of $84). 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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