How long does it take to fly to Sioux City?

Flight times from Colorado to Sioux City vary, but if you’re flying out of Denver and flying into Omaha (one of the most popular routes), then the duration is 1h 25m on average. Another popular route from Colorado to Sioux City is flying from Colorado Springs to Omaha, which will take roughly 3h 11m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Sioux City?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Sioux City from Colorado according to our data. Frontier is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Sioux City. Keep in mind that there are 4 different airlines that fly to Sioux City on a routine basis, so you have a few additional options to choose from.

How many flights depart from Colorado to Sioux City on average per week?

As of August 2025, 4 flights take off from Colorado and land in Sioux City each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.

What is the cheapest airline that flies from Colorado to Sioux City Sioux Gateway?

United Airlines is the most popular carrier operating from Colorado to Sioux City Sioux Gateway

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

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

How many operators does momondo search for flights from Colorado to Sioux City Sioux Gateway Airport?

As of August 2025, there is 1 operator available to choose from for flights from Colorado to Sioux City Sioux Gateway Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Sioux City Sioux Gateway Airport.

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

The required travel and health documents for your Sioux City Sioux Gateway Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sioux City Sioux Gateway Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$153 Cheap Flights from Colorado to Sioux City in 2025

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Find the cheapest flights from Colorado to Sioux City

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:40 pm - 6:13 pmDEN-SUX

1h 33mnonstop

6:48 pm - 7:35 pmSUX-DEN

1h 47mnonstop

$214United Airlines

Find Deal

Fri, Sep 12 - Fri, Sep 19

3:40 pm - 6:14 pmDEN-SUX

1h 34mnonstop

6:51 pm - 7:40 pmSUX-DEN

1h 49mnonstop

$254United Airlines

Find Deal

Fri, Oct 10 - Mon, Oct 13

3:40 pm - 6:14 pmDEN-SUX

1h 34mnonstop

6:51 pm - 7:40 pmSUX-DEN

1h 49mnonstop

$302United Airlines

Find Deal

Thu, Oct 9 - Sun, Oct 12

12:50 pm - 6:13 pmCOS-SUX

4h 23m1 stop

6:48 pm - 9:54 pmSUX-COS

4h 06m1 stop

$304United Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

1:55 pm - 6:13 pmCOS-SUX

3h 18m1 stop

6:48 pm - 9:54 pmSUX-COS

4h 06m1 stop

$309United Airlines

Find Deal

Wed, Sep 3 - Sat, Sep 6

3:40 pm - 6:13 pmDEN-SUX

1h 33mnonstop

6:48 pm - 7:35 pmSUX-DEN

1h 47mnonstop

$310United Airlines

Find Deal

Sat, Aug 30 - Wed, Sep 3

12:50 pm - 6:13 pmCOS-SUX

4h 23m1 stop

6:48 pm - 11:50 pmSUX-COS

6h 02m1 stop

$341United Airlines

Find Deal

Fri, Aug 29 - Mon, Sep 1

6:00 am - 11:00 pmDEN-SUX

16h 00m1 stop

6:46 pm - 7:34 pmSUX-DEN

1h 48mnonstop

$377United Airlines

Find Deal

Fri, Oct 24 - Mon, Oct 27

6:26 pm - 10:57 pmDEN-SUX

27h 31m2 stops

6:48 pm - 7:35 pmSUX-DEN

1h 47mnonstop

$393United Airlines

Find Deal

Fri, Sep 12 - Fri, Sep 19

6:00 pm - 10:57 pmDEN-SUX

27h 57m1 stop

6:48 pm - 7:35 pmSUX-DEN

1h 47mnonstop

$397United Airlines

Find Deal

Fri, Sep 12 - Fri, Sep 19

United Airlines flights from Colorado to Sioux City

Our best United Airlines deals on Colorado to Sioux City flight tickets

United Airlines

Sep 12

DEN3:40 pmDenver Intl

1h 33m

SUX6:13 pmSioux City Sioux Gateway

Sep 19

SUX6:48 pmSioux City Sioux Gateway

1h 47m

DEN7:35 pmDenver Intl

$214

Find similar

United Airlines

Oct 10

DEN3:40 pmDenver Intl

1h 34m

SUX6:14 pmSioux City Sioux Gateway

Oct 13

SUX6:51 pmSioux City Sioux Gateway

1h 49m

DEN7:40 pmDenver Intl

$254

Find similar

United Airlines

Oct 9

DEN3:40 pmDenver Intl

1h 34m

SUX6:14 pmSioux City Sioux Gateway

Oct 12

SUX6:51 pmSioux City Sioux Gateway

1h 49m

DEN7:40 pmDenver Intl

$302

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Fri 9/12

3:40 pm-6:13 pm

Nonstop1h 33m

Sioux City Sioux Gateway

Fri 9/19

6:48 pm-7:35 pm

Nonstop1h 47m

$214

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Fri 10/10

3:40 pm-6:14 pm

Nonstop1h 34m

Sioux City Sioux Gateway

Mon 10/13

6:51 pm-7:40 pm

Nonstop1h 49m

$254

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Thu 10/9

3:40 pm-6:14 pm

Nonstop1h 34m

Sioux City Sioux Gateway

Sun 10/12

6:51 pm-7:40 pm

Nonstop1h 49m

$302

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Sat 9/13

12:50 pm-6:13 pm

1 stop4h 23m

Sioux City Sioux Gateway

Sat 9/20

6:48 pm-9:54 pm

1 stop4h 06m

$304

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Wed 9/3

1:55 pm-6:13 pm

1 stop3h 18m

Sioux City Sioux Gateway

Sat 9/6

6:48 pm-9:54 pm

1 stop4h 06m

$309

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Sat 8/30

3:40 pm-6:13 pm

Nonstop1h 33m

Sioux City Sioux Gateway

Wed 9/3

6:48 pm-7:35 pm

Nonstop1h 47m

$310

Colorado SpringsSioux City

COS - SUX

COSSUX

Colorado Springs

Fri 8/29

12:50 pm-6:13 pm

1 stop4h 23m

Sioux City Sioux Gateway

Mon 9/1

6:48 pm-11:50 pm

1 stop6h 02m

$341

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Fri 10/24

6:00 am-11:00 pm

1 stop16h 00m

Sioux City Sioux Gateway

Mon 10/27

6:46 pm-7:34 pm

Nonstop1h 48m

$377

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Fri 9/12

6:26 pm-10:57 pm

2 stops27h 31m

Sioux City Sioux Gateway

Fri 9/19

6:48 pm-7:35 pm

Nonstop1h 47m

$393

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Fri 9/12

6:00 pm-10:57 pm

1 stop27h 57m

Sioux City Sioux Gateway

Fri 9/19

6:48 pm-7:35 pm

Nonstop1h 47m

$397

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How to get the cheapest flight ticket from Colorado 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

Prices

Airlines

Other information

What is the cheapest month to fly to Sioux City?

The cheapest month to fly to Sioux City from Colorado is in December. Flight prices, which tend to average around $267, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Sioux City, with average flight prices from Colorado averaging around $268.

What is the cheapest day to depart on your flight to Sioux City?

On average, the least expensive day to fly to Sioux City from Colorado is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $267. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Colorado because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $355.

What is the cheapest time of day to depart on your flight to Sioux City?

The cheapest time of day to fly to Sioux City is in the morning when flights can be purchased for as low as $278. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $330 on average. Flights to Sioux City from Colorado in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Colorado to Sioux City Sioux Gateway flight route?

Fly from Denver Intl to Sioux City Sioux Gateway for the best Colorado - Sioux City Sioux Gateway flight prices

What cabin class options are available on Colorado to Sioux City Sioux Gateway flights?

There are 1 cabin classes available to choose from on Colorado to Sioux City Sioux Gateway flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Colorado to Sioux City flights?

No. A direct flight is the cheapest option for a flight between Colorado to Sioux City.

Cheap Colorado to Sioux City flight deals and tips

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

Best Price Found	$153
Fastest flight time	1h 33m
Direct flights	Fri, Sat and Sun
Airports in Sioux City	1 airport

The best one-way flight to Sioux City from Colorado in the past 72 hours is $153. The best round-trip flight deal from Colorado to Sioux City found on momondo in the last 72 hours is $214.

The fastest flight from Colorado to Sioux City takes 1h 33m

Direct flights go from Colorado to Sioux City on Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.

There is 1 airport near Sioux City: Sioux City Sioux Gateway (SUX)

Search flight deals

When did momondo last update prices for flights from Colorado to Sioux City Sioux Gateway Airport?
Prices for flights from Colorado to Sioux City Sioux Gateway Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Colorado to Sioux City Sioux Gateway Airport?
As of August 2025, there is 1 operator available to choose from for flights from Colorado to Sioux City Sioux Gateway Airport.
How old do you have to be to fly from Colorado to Sioux City Sioux Gateway Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Sioux City Sioux Gateway Airport.
What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?
The required travel and health documents for your Sioux City Sioux Gateway Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sioux City Sioux Gateway Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Colorado to Sioux City?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Colorado to Sioux City is Canadair (Bombardier) Regional Jet (100.00% of total bookings).

Best airlines flying from Colorado to Sioux City

Compare and see reviews for airlines that fly from Colorado to Sioux City with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $214	Free Cancellation	Rating 7.4 8,919 reviews		Search United Airlines flights

Norfolk

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

Finding the right flight to Sioux City from Colorado 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 to Sioux City with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sioux City from Colorado which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Colorado 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 to Sioux City right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sioux City, momondo offers a useful price alert feature which will track prices for flights to Sioux City from Colorado and alert you when they change.

An easier way to manage your Sioux City trip

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Cheap flights from Colorado to Sioux City from $153

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Sioux City departing on 9/18. 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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How to get the cheapest flight ticket from Colorado 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 is the cheapest month to fly to Sioux City?

What is the cheapest day to depart on your flight to Sioux City?

What is the cheapest time of day to depart on your flight to Sioux City?

What is the cheapest Colorado to Sioux City Sioux Gateway flight route?

Fly from Denver Intl to Sioux City Sioux Gateway for the best Colorado - Sioux City Sioux Gateway flight prices

What cabin class options are available on Colorado to Sioux City Sioux Gateway flights?

There are 1 cabin classes available to choose from on Colorado to Sioux City Sioux Gateway flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Colorado to Sioux City flights?

No. A direct flight is the cheapest option for a flight between Colorado to Sioux City.

What is the cheapest airline that flies from Colorado to Sioux City Sioux Gateway?

United Airlines is the most popular carrier operating from Colorado to Sioux City Sioux Gateway

What airlines fly to Sioux City?

How many flights depart from Colorado to Sioux City on average per week?

As of August 2025, 4 flights take off from Colorado and land in Sioux City each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.

How long does it take to fly to Sioux City?

Cheap Colorado to Sioux City flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Sioux City

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

How many operators does momondo search for flights from Colorado to Sioux City Sioux Gateway Airport?

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

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

What is the most popular plane model from Colorado to Sioux City?

Best airlines flying from Colorado to Sioux City

Compare and see reviews for airlines that fly from Colorado to Sioux City with momondo

Traveling to a place near Sioux City?

Why use momondo?

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

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

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

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

An easier way to manage your Sioux City trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Iowa