How does KAYAK find such low prices on flights from Sioux City to Colorado?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sioux City to Colorado.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sioux City to Colorado?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Sioux City to Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Sioux City to Colorado?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Sioux City to Colorado with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sioux City to Colorado?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Sioux City to Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Which cabin class options are there for flights between Sioux City and Colorado?

There are 3 cabin class options for the route. These are First, Business and Economy . Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Which airlines fly non-stop between Sioux City and Colorado?

There is just one airline that flies from Sioux City to Colorado direct and that is United Airlines . The best round-trip deal found from United Airlines for the route is to Denver (DEN) and costs $214.

What’s the earliest departure time from Sioux City to Colorado?

The earliest flight from Sioux City to Colorado departs at 6:45 pm , landing in Denver at 7:41 pm.

How many flights are there between Sioux City and Colorado per day?

There is a maximum of 1 nonstop flight a day that takes off from Sioux City and lands in Colorado, with an average flight time of 1h 54m. The most common departure time is 6:00 pm and most flights take off in the evening. Each week, there are 7 flights.

How long does a flight from Sioux City to Colorado take?

The duration of a flight to Colorado depends on your arrival airport. The shortest route to Colorado from Sioux City is to Denver , which takes 1h 54m .

What’s the latest departure time from Sioux City to Colorado?

If you prefer to fly at night, the latest flight from Sioux City to Colorado jets off at 6:58 pm and lands in Denver at 7:52 pm.

$168 CHEAP FLIGHTS from Sioux City to Colorado

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Round-tripOne-way

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Denver

1h 54mNonstop

from $234per person

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Book Cheap Sioux City to Colorado Plane Tickets

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Sioux City to Colorado

Fri, Oct 9 - Fri, Oct 16

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$234United Airlines

Sun, Nov 1 - Sat, Nov 14

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$234United Airlines

Mon, Nov 2 - Sat, Nov 14

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$274United Airlines

Tue, Nov 3 - Sat, Nov 14

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$274United Airlines

Sat, Oct 10 - Sun, Oct 11

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$274United Airlines

Wed, Oct 7 - Sun, Oct 11

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$274United Airlines

Tue, Oct 6 - Tue, Oct 13

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$274United Airlines

Tue, Oct 6 - Wed, Oct 14

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$274United Airlines

Thu, Oct 8 - Tue, Oct 13

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$274United Airlines

Recent last minute flight deals from Sioux City to Colorado

Fri, Sep 18 - Sun, Sep 20

6:35 pm - 7:29 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$480United Airlines

Fri, Sep 18 - Sun, Sep 20

6:35 pm - 7:29 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$480United Airlines

Sun, Sep 20 - Tue, Sep 22

6:35 pm - 7:29 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$530United Airlines

Fri, Sep 18 - Sun, Sep 20

6:35 pm - 7:29 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

7:45 am - 5:53 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

9h 08m1 stop Chicago O'Hare Intl

$753United Airlines

Fri, Sep 18 - Sun, Sep 20

6:35 pm - 7:29 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

8:15 am - 5:53 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

8h 38m1 stop Chicago O'Hare Intl

$753United Airlines

Sun, Sep 20 - Tue, Sep 22

6:35 pm - 7:29 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

6:17 pm - 5:52 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

22h 35m1 stop Chicago O'Hare Intl

$821United Airlines

Fri, Sep 18 - Sun, Sep 20

8:05 am - 6:40 amSUX Sioux City Sioux Gateway-DEN Denver Intl

23h 35m2 stops Chicago O'Hare Intl Madison Truax Field

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$861United Airlines

Fri, Sep 18 - Sun, Sep 20

8:05 am - 6:40 amSUX Sioux City Sioux Gateway-DEN Denver Intl

23h 35m2 stops Chicago O'Hare Intl Madison Truax Field

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

$926United Airlines

Sun, Sep 20 - Tue, Sep 22

6:35 pm - 7:29 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

9:00 pm - 5:52 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

19h 52m2 stops Minneapolis St Paul Chicago O'Hare Intl

$967United Airlines

Fri, Sep 18 - Sun, Sep 20

8:05 am - 7:45 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

12h 40m2 stops Chicago O'Hare Intl Minneapolis St Paul

5:30 am - 5:53 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

11h 23m1 stop Chicago O'Hare Intl

$1,396United Airlines

Booking Insights

KAYAK's insights & trends for Sioux City to Colorado flights

Get data-powered insights and trends into flights from Sioux City to Colorado to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

What is the cheapest Sioux City to Colorado flight route?

The cheapest ticket to Colorado from Sioux City found in the last 5 days was to Denver, at $234 round-trip. The most popular route is from Sioux City (SUX) to Denver (DEN), and the cheapest round-trip airline ticket found on this route in the last 5 days was $234.

What is the cheapest time of day to fly to Colorado?

The cheapest time of day to fly to Colorado is generally in the evening, when round-trip flights cost $342 on average. Morning departures are around 40% more expensive than evening flights, on average. The most expensive time of day to fly to Colorado is generally in the morning, which is peak travel time and where the average cost of a ticket is $479.

Can I save money by flying with a layover from Sioux City to Colorado?

No, with an average price for the route of $370, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Sioux City to Colorado?

The cheapest month for flights from Sioux City to Colorado is March, when tickets cost $214 (return) on average. On the other hand, the most expensive months are February and April, when the average cost of round-trip tickets is $360 and $350 respectively.

What’s the cheapest day of the week to fly from Sioux City to Colorado?

Your flight ticket price will generally be cheaper if you fly to Colorado on a Wednesday and more expensive on a Monday. On your return trip to Sioux City, you should consider flying back on a Saturday, and avoid Mondays for better deals.

Find deals

Low season	November
High season	December
Cheapest flight	$168

Best time to beat the crowds but there is an average 2% increase in price.

Most popular time to fly with an average 19% increase in price.

Flight from Sioux City to Denver

How does KAYAK find such low prices on flights from Sioux City to Colorado?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sioux City to Colorado.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sioux City to Colorado?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Sioux City to Colorado is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Sioux City to Colorado?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Sioux City to Colorado with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sioux City to Colorado?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Sioux City to Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Looking for a cheap flight? 25% of our users found tickets from Sioux City to the following destinations at these prices or less: Denver $204 one-way - $340 round-trip

Reviews of the top airline flying from Sioux City to Colorado

Need help choosing which airline to fly with from Sioux City to Colorado? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.

7.4

United AirlinesOverall score based on 10214 reviews

6.7Food

8.1Crew

7.3Comfort

7.1Entertainment

7.7Boarding

Airline reviews

They did not have free WIFI and I was not okay with that!

2.0 MediocreSavannah, Sep 2026

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$168 Find Cheap Flights from Sioux City to Colorado - Compare and Save

Cheap Flights from Sioux City to Colorado

Book Cheap Sioux City to Colorado Plane Tickets

Recent round-trip flight deals from Sioux City to Colorado

Recent one-way flight deals from Sioux City to Colorado

Recent last minute flight deals from Sioux City to Colorado

Recent direct flight deals from Sioux City to Colorado

KAYAK's insights & trends for Sioux City to Colorado flights

What is the cheapest Sioux City to Colorado flight route?

What is the cheapest time of day to fly to Colorado?

Can I save money by flying with a layover from Sioux City to Colorado?

What is the cheapest month to fly from Sioux City to Colorado?

What’s the cheapest day of the week to fly from Sioux City to Colorado?

Which airlines fly non-stop between Sioux City and Colorado?

How long does a flight from Sioux City to Colorado take?

Which cabin class options are there for flights between Sioux City and Colorado?

How many flights are there between Sioux City and Colorado per day?

What’s the earliest departure time from Sioux City to Colorado?

What’s the latest departure time from Sioux City to Colorado?

Good to know

Low season

High season

Cheapest flight

FAQs - booking Colorado flights

Top tips for finding cheap flights to Colorado

Reviews of the top airline flying from Sioux City to Colorado

More options for your flight from Sioux City to Colorado

Complete your trip to Colorado with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights to Colorado

Flights from other airports in Sioux City to Colorado

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Flights from Sioux City to popular cities in Colorado

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