HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux City

$158+ Cheap flights from Sioux City

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — ORD
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find flights from Sioux City within your budget

 
Find flights departing from Sioux City that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on April 23, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Thu 5/14

6:42 pm-7:35 pm

Nonstop1h 53m

Denver Intl

Mon 5/18

8:50 pm-11:32 pm

Nonstop1h 42m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 5/29

6:30 pm-7:24 pm

Nonstop1h 54m

Denver Intl

Sat 6/6

8:15 am-10:57 am

Nonstop1h 42m

$214
Quickest round-trip

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Wed 5/13

6:00 am-6:53 am

Nonstop1h 53m

Denver Intl

Wed 5/20

8:00 am-10:41 am

Nonstop1h 41m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Sat 5/9

6:00 am-6:53 am

Nonstop1h 53m

Denver Intl

Wed 5/13

8:00 am-10:41 am

Nonstop1h 41m

$254

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 8/21

11:32 am-12:26 pm

Nonstop1h 54m

Denver Intl

Tue 8/25

8:15 am-10:55 am

Nonstop1h 40m

$254

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Tue 5/19

6:00 am-6:53 am

Nonstop1h 53m

Denver Intl

Tue 5/26

8:15 am-10:57 am

Nonstop1h 42m

$254

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Wed 5/20

6:00 am-6:53 am

Nonstop1h 53m

Denver Intl

Wed 5/27

8:15 am-10:57 am

Nonstop1h 42m

$262

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Mon 5/18

12:55 pm-2:40 pm

Nonstop1h 45m

Chicago O'Hare Intl

Mon 5/25

4:00 pm-5:54 pm

Nonstop1h 54m

$274

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Sat 6/13

11:32 am-12:26 pm

Nonstop1h 54m

Denver Intl

Sat 6/20

8:15 am-10:57 am

Nonstop1h 42m

$282

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Sun 5/3

6:00 am-6:53 am

Nonstop1h 53m

Denver Intl

Thu 5/7

8:50 pm-11:32 pm

Nonstop1h 42m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 55 resultsSorted by cheapest first
1
2
3
...
6

Compare providers for flights from Sioux City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux City in April
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: Among all the travel providers offering deals on flights from Sioux City, FlightHub has been found to have the most accurate pricing. Users can find the same prices on deals on Cheapflights as FlightHub about >95% of the time. This is based on searches for flights from Sioux City made on Cheapflights over the past month and is updated monthly.
  • Most trusted provider: In terms of trustworthiness, Cheapflights users rate FlightHub the highest out of those offering flight deals from Sioux City. FlightHub has a user feedback rating of 3 out of 3 stars (3 being the best) and has received the most positive sentiment from Cheapflights users searching for flights from Sioux City. This info is gathered from Cheapflights searches over the past month.

Best time to book a flight from Sioux City

Have a flexible travel schedule? Discover the best time to fly from Sioux City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Sioux City

Get recent, data-driven insights about flights from Sioux City including ideal travel times, pricing trends, and more.

Which airlines fly from Sioux City?

For flights departing from Sioux City check dates and pricing for the following: United Airlines. This airline departs to the following popular destinations: Chicago.

United Airlines
United Airlines
From $204
ANA
ANA
From $1,497

What is the cheapest place to fly to from Sioux City?

The cheapest city to fly to from Sioux City is Denver Intl, with prices starting at $157. Explore other affordable destinations below.

Denver Intl
Denver Intl
From $157
Chicago
Chicago
From $170

Airline reviews for flights from Sioux City

Read reviews and ratings of airlines operating flights from Sioux City. Gain insights into the quality of service, in-flight amenities, customer experiences, and overall satisfaction to choose the best airline for your Sioux City travel. Please note that the reviews are sourced from user searches and were last updated on April 23, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches.
Peruse reviews from past customers who have flown United Airlines from Sioux City to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,637 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,637 reviews
United Airlines
7.4
Good
9,637 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Related info for your journey

Access useful and relevant information related to your journey from Sioux City. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated April 23, 2026.

  • What is the cheapest flight from Sioux City to anywhere?

    Users have flown out of Sioux City for as low as $157 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for $466 to fly from Sioux City.

  • What is the cheapest premium economy flight from Sioux City?

    Options for some of the cheapest premium economy flights from Sioux City we have found on Cheapflights are as follows:
    Fly from Sioux City Sioux Gateway to Chicago O'Hare Intl Airport starting at $1,588

  • What is the cheapest first class flight from Sioux City?

    If you’re looking for a cheap first-class flight from Sioux City, consider Denver. Prices start at $773 so you can fly first-class even on a budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.