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Cheap flights from Colorado Springs to Sioux City from $319

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado Springs to Sioux City departing on 10/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Colorado Springs to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:07 pm - 11:42 pm
COS
-
SUX
5h 35m
1 stop
United Airlines Logo
6:46 pm - 11:59 pm
SUX
-
COS
6h 13m
1 stop
$319United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
6:00 am - 10:57 am
COS
-
SUX
3h 57m
1 stop
United Airlines Logo
11:32 am - 2:40 pm
SUX
-
COS
4h 08m
1 stop
$426United Airlines
Thu, Jun 11 - Sat, Jun 20
United Airlines Logo
7:30 am - 11:42 pm
COS
-
SUX
15h 12m
2 stops
United Airlines Logo
6:46 pm - 11:59 pm
SUX
-
COS
6h 13m
1 stop
$501United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
6:00 am - 10:57 am
COS
-
SUX
3h 57m
1 stop
United Airlines Logo
8:08 am - 2:40 pm
SUX
-
COS
7h 32m
2 stops
$593United Airlines
Thu, Jun 11 - Sat, Jun 20
United Airlines Logo
7:30 am - 10:57 am
COS
-
SUX
26h 27m
2 stops
United Airlines Logo
8:08 am - 2:40 pm
SUX
-
COS
7h 32m
2 stops
$697United Airlines
Thu, Jun 11 - Sat, Jun 20

United Airlines flights from Colorado Springs to Sioux City

Our best United Airlines deals on Colorado Springs to Sioux City flight tickets
United Airlines
Oct 24
COS5:07 pmColorado Springs
5h 35m
1 stop
SUX11:42 pmSioux City Sioux Gateway
Oct 28
SUX6:46 pmSioux City Sioux Gateway
6h 13m
1 stop
COS11:59 pmColorado Springs
$319
United Airlines
Jun 11
COS6:00 amColorado Springs
3h 57m
1 stop
SUX10:57 amSioux City Sioux Gateway
Jun 20
SUX11:32 amSioux City Sioux Gateway
4h 08m
1 stop
COS2:40 pmColorado Springs
$426
United Airlines
Oct 24
COS7:30 amColorado Springs
15h 12m
2 stops
SUX11:42 pmSioux City Sioux Gateway
Oct 28
SUX6:46 pmSioux City Sioux Gateway
6h 13m
1 stop
COS11:59 pmColorado Springs
$501

momondo 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, momondo users made 832,500 searches. Data last updated May 18, 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

Sat 10/24

5:07 pm-11:42 pm

1 stop5h 35m

Sioux City Sioux Gateway

Wed 10/28

6:46 pm-11:59 pm

1 stop6h 13m

$319
Quickest round-trip

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Thu 6/11

6:00 am-10:57 am

1 stop3h 57m

Sioux City Sioux Gateway

Sat 6/20

11:32 am-2:40 pm

1 stop4h 08m

$426

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Sat 10/24

7:30 am-11:42 pm

2 stops15h 12m

Sioux City Sioux Gateway

Wed 10/28

6:46 pm-11:59 pm

1 stop6h 13m

$501

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Thu 6/11

6:00 am-10:57 am

1 stop3h 57m

Sioux City Sioux Gateway

Sat 6/20

8:08 am-2:40 pm

2 stops7h 32m

$593

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Thu 6/11

7:30 am-10:57 am

2 stops26h 27m

Sioux City Sioux Gateway

Sat 6/20

8:08 am-2:40 pm

2 stops7h 32m

$697

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sioux City from

How to get the cheapest flight ticket from Colorado Springs to Sioux City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Sioux City?

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to Sioux City from Colorado Springs according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Sioux City. Keep in mind that there are 3 different airlines that fly to Sioux City on a routine basis, so you have a few additional options to choose from.

When to book flights from Colorado Springs to Sioux City

Are you open to changing your travel dates? Check out the ideal times to fly from Colorado Springs to Sioux City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Colorado Springs to Sioux City (COS to SUX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado Springs to Sioux City

Fastest flight time

3h 57m

Direct flights

None
The fastest flight from Colorado Springs to Sioux City takes 3h 57m
There are no direct flights from Colorado Springs to Sioux City. There are no popular flight routes from Colorado Springs to Sioux City.
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Frequently asked questions about flying from Colorado Springs to Sioux City

  • How far is Colorado Springs to Sioux City Sioux Gateway by plane?

    There are 508.1 mi between Colorado Springs and Sioux City Sioux Gateway. By plane, this route typically takes 3h 57m.

  • When did momondo last update prices for flights from Colorado Springs Airport to Sioux City Sioux Gateway Airport?

    Prices for flights from Colorado Springs Airport to Sioux City Sioux Gateway Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Colorado Springs Airport to Sioux City Sioux Gateway Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado Springs Airport to Sioux City Sioux Gateway Airport.

  • What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?

    The necessary travel and health documents for your Sioux City Sioux Gateway Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Sioux City?

Book flights to Sioux City if you plan to visit one of these locations
Norfolk

Why use momondo?

Why should I use momondo to find a flight deal from Colorado Springs to Sioux City?

Finding the right flight to Sioux City from Colorado Springs is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sioux City quick and easy, saving you time and money.

Can I find flights from Colorado Springs to Sioux City with flexible booking policies on momondo?

Flights from Colorado Springs to Sioux City with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Colorado Springs to Sioux City?

Once you have performed a search for Colorado Springs to Sioux City flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Colorado Springs to Sioux City right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Colorado Springs to Sioux City flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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