Cheap flights from Denver to Sioux City from $253
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Sioux City departing on 6/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Denver to Sioux City
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
United Airlines flights from Denver to Sioux City
Our best United Airlines deals on Denver to Sioux City flight tickets
See travel insights to Sioux City from
How to get the cheapest flight ticket from Denver 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?
The cheapest month to fly to Sioux City from Denver is in November. Flight prices, which tend to average around $266, are often lower during this time because this is during the off-season. The month of December is another great option to travel to Sioux City, with average flight prices from Denver averaging around $267.
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 Denver is on a Saturday. momondo users have found tickets for Saturday departures for as low as $225. 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 Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $327.
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 afternoon when flights can be purchased for as low as $278. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $288 on average. Flights to Sioux City from Denver at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Denver Intl to Sioux City Sioux Gateway flight route?
Fly from Denver Intl to Sioux City Sioux Gateway for the best Denver Intl - Sioux City Sioux Gateway flight prices
What is the cheapest airline that flies from Denver Intl to Sioux City Sioux Gateway?
United Airlines is the most popular carrier operating from Denver Intl to Sioux City Sioux Gateway
What airlines fly to Sioux City?
Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Sioux City from Denver according to our data. Frontier is the first choice among our users, with 55% 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.
How many flights depart from Denver to Sioux City on average per day?
1 flights are operational daily from Denver to Sioux City as of April 2025. The most popular departure time for this route is 12:00PM, with 100% of flights per day taking off in the afternoon.
How many flights depart from Denver to Sioux City on average per week?
7 flights are operational weekly from Denver to Sioux City as of April 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.
When to book flights from Denver to Sioux City
Cheap Denver to Sioux City (DEN to SUX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Denver to Sioux City
Best Price Found | $253 |
|---|---|
Fastest flight time | 1h 34m |
Direct flights | Tue, Thu, Fri and Sat |
Airports in Sioux City | 1 airport |
How far is Denver Intl to Sioux City Sioux Gateway by plane?
Denver Intl and Sioux City Sioux Gateway are 485.2 mi apart from one another. In terms of flight time, this usually takes a little over 1h 34m.
When did momondo last update prices for flights from Denver Intl Airport to Sioux City Sioux Gateway Airport?
Prices for flights from Denver Intl Airport to Sioux City Sioux Gateway Airport were last updated today.
How many operators does momondo search for flights from Denver Intl Airport to Sioux City Sioux Gateway Airport?
As of April 2025, there is 1 operator available to choose from for flights from Denver Intl Airport to Sioux City Sioux Gateway Airport.
How old do you have to be to fly from Denver Intl 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 Denver Intl 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.
What is the most popular plane model from Denver to Sioux City?
momondo data reveals that the most frequently booked plane model on the route from Denver to Sioux City is Canadair (Bombardier) Regional Jet, representing 100.00% of all bookings.
What is the most popular airline from Denver to Sioux City?
Based on momondo bookings for flights between Denver and Sioux City, the leading airline is United Airlines, making up 100% of the total bookings.
Best airlines flying from Denver to Sioux City
Compare and see reviews for airlines that fly from Denver to Sioux City with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $214 | Free Cancellation | Rating 7.4 8,685 reviews |
United Airlines Flights From Denver to Sioux City
United Airlines operates around 7 flights from Denver to Sioux City every week. The average price of these flights found in the last 72 hours has been $278, but momondo users have found United Airlines deals from Denver to Sioux City from as low as $214 round-trip. United Airlines has been scored 7.4/10 in 8,685 reviews.
Traveling to a place near Sioux City?
Book flights to Sioux City if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Denver to Sioux City?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sioux City from Denver.
Can I find flights from Denver to Sioux City with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Sioux City from Denver with this policy.
How can momondo help me find flights from Denver to Sioux City?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to Sioux City.
I’m not ready to book a flight from Denver 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 Denver and alert you when they change.