Cheap flights from Denver to Sioux City (DEN - SUX)

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The best prices from Denver Intl to Sioux City Sioux Gateway are usually found in September or October, booked 59 days in advance, depart on a Friday or Wednesday and return on a Saturday

How to find the cheapest flight from
Denver (DEN) to Sioux City (SUX)

All the information you need to plan the best DEN to SUX flight in 2022: compare Denver to Sioux City flight prices with the expected peak season, weather and rainfall in Sioux City.
DEN - SUX
Price
$192 - $492
SUX
Temperature
21.2 - 75.2 °F
SUX
Rainfall
0.7 - 4.2 inches

Popular in

March

High demand for flights, 43% potential price rise

Cheapest in

September

Best time to find cheap flights, 31% potential price drop

Round-trip from

$192

From Denver Intl to Sioux City Sioux Gateway

One-way from

$111

One-way flight from Denver Intl to Sioux City Sioux Gateway

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Denver to Sioux City?

Travelers have found it’s best to book a flight 59 days in advance to save up to 68% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 59 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Denver to Sioux City 1-2 weeks in advance for as low as $292, or $329 for flights within the next 24 hours.

What is the cheapest day to fly round-trip from Denver to Sioux City?

Travelers have found that booking a Friday departure is the best way to save up to 180% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

When is the cheapest time to fly from Denver to Sioux City (DEN - SUX)?

It’s optimal to fly from Denver to Sioux City in the morning. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the evening.

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

September is one of the best times of the year to fly to Sioux City from Denver. Prices for September average $280 per person but you can even find prices for as low as $127. The most expensive prices can be found in the month of March. Opting for a September flight can save you 76% on your journey compared to booking in March

Cheap flights from Denver to Sioux City in June, July 2022

The best prices found for DEN to SUX flights for June, July
8 Jul - 11 Jul
$368pp
DEN
Denver Intl
United Airlines
Non-Stop
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl
14 Jul - 18 Jul
$419pp
DEN
Denver Intl
United Airlines
Non-Stop
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl
8 Jul - 11 Jul
$483pp
DEN
Denver Intl
United Airlines
   
2 STOPS
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl

Denver Intl to Sioux City 2022 flight deals

Cheap flights to Sioux City from Denver found for this year
19 Oct - 24 Oct
$323pp
DEN
Denver Intl
United Airlines
Non-Stop
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl
8 Jul - 11 Jul
$368pp
DEN
Denver Intl
United Airlines
Non-Stop
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl
14 Jul - 18 Jul
$419pp
DEN
Denver Intl
United Airlines
Non-Stop
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl

Non-stop flights to Sioux City from Denver

Save time with Denver to Sioux City direct flight deals
19 Oct - 24 Oct
$323pp
DEN
Denver Intl
United Airlines
Non-Stop
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl
8 Jul - 11 Jul
$368pp
DEN
Denver Intl
United Airlines
Non-Stop
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl
14 Jul - 18 Jul
$419pp
DEN
Denver Intl
United Airlines
Non-Stop
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl

Last minute flights from Denver to Sioux City

Late deals on round-trip flights to Sioux City from Denver, departing today and this week
8 Jul - 11 Jul
$368pp
DEN
Denver Intl
United Airlines
Non-Stop
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl
8 Jul - 11 Jul
$483pp
DEN
Denver Intl
United Airlines
   
2 STOPS
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl
3 Jul - 4 Jul
$569pp
DEN
Denver Intl
United Airlines
Non-Stop
SUX
Sioux City Sioux Gateway
SUX
Sioux City Sioux Gateway
United Airlines
Non-Stop
DEN
Denver Intl

One-way flights to Sioux Gateway from Denver

The cheapest one-way flights from Denver to Sioux City
4:26 pm - 7:05 pm
United Airlines
Nonstop
1h 39m
DEN - SUX
United Airlines
$111
United
4:26 pm - 7:05 pm
United Airlines
Nonstop
1h 39m
DEN - SUX
United Airlines
$162
United
4:26 pm - 7:05 pm
United Airlines
Nonstop
1h 39m
DEN - SUX
United Airlines
$258
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Denver</span> to <span class="emphasized">Sioux City</span> flights.

Flight FAQs

From Denver to Sioux City

Which airlines flying from Denver Intl to Sioux City Sioux Gateway have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Denver Intl to Sioux City Sioux Gateway that may be offering flexible cancellation policies are United Airlines and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Denver to Sioux City for under $400 on Cheapflights?

Yes, there are multiple flights from Denver to Sioux City for under $400. The cheapest flight booked recently is on United Airlines for just $323, but on average you can expect to pay $646.

Are there nonstop flights from Denver to Sioux City for under $400 on Cheapflights?

Cheapflights has at least 3 direct flights from Denver to Sioux City under $400. A good price for a nonstop flight from Denver to Sioux City is less than $370.

Are there last-minute flights available from Denver to Sioux City for under $400?

There are currently 10+ open flights from Denver to Sioux City within the next 7 days for less than $400.

What is the cheapest airline to fly from Denver to Sioux City round-trip?

United Airlines, at $323, was found to be the cheapest airline from Denver to Sioux City..

What are the cheapest flights from Denver to Sioux City?

Looking at all options, your cheapest flight can be booked for $126. While the most popular route (Denver Intl - Sioux City Sioux Gateway) can be booked for $323 on average our data indicates $243 when flying from Denver to Sioux City.

COVID Restrictions

View COVID Travel Restrictions for Sioux City, IA

Do I need a COVID test to fly to Sioux City from Denver?

Information is based on travel restrictions for travel to Sioux City Sioux Gateway within the United States

Most visitors from Denver Intl need to provide a negative COVID-19 test result and/or quarantine to enter Sioux City Sioux Gateway.

COVID-19 testing requirements
Visitors from Denver Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Sioux City Sioux Gateway.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering Sioux City Sioux Gateway.

Do I need a test to fly back to Denver from Sioux City?

Returning to Denver Intl from Sioux City Sioux Gateway

COVID-19 testing requirements
Visitors from Sioux City Sioux Gateway are not required to present a negative COVID-19 PCR test or antigen result upon entering Denver Intl.

Quarantine requirements
Visitors from Sioux City Sioux Gateway are not required to quarantine after entering Denver Intl.

Hide COVID Travel Restrictions for Sioux City, IA

Alternative routes for Denver to Sioux City

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Sioux City

Things to know before you go - useful duration and weather info for your trip from Denver to Sioux City.
Flight duration from DEN to SUX
1h 41m
Average temperature for June in Sioux City
84.2 °F
Avg rainfall for June in Sioux City
4.1 ″

Airports servicing Denver

Airports servicing Sioux City

Hourly flight availability from Denver to Sioux City

See what time of day planes typically take off from Denver towards Sioux City.
Evening 6 PM to midnight 100% of DEN to SUX departures
Early morning Midnight to 6 AM 0% of DEN to SUX departures
Morning 6 AM to noon 0% of DEN to SUX departures
Afternoon Noon to 6 PM 0% of DEN to SUX departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Denver to Sioux City
See how many times per day planes take to the skies headed from Denver to Sioux City.
Sunday
1 daily flight
Monday
1 daily flight
Tuesday
0 flights
Wednesday
1 daily flight
Thursday
1 daily flight
Friday
1 daily flight
Saturday
0 flights
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