SUX

$161 Find Cheap Flights to Sioux City

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Sioux City departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Sioux City

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Sioux City, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Sioux City, as well as popular online travel agencies
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Cheap Flights to Sioux City

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights to Sioux City that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals to Sioux City

Fri, Sep 19 - Mon, Sep 22
United Airlines Logo
3:40 pm - 6:13 pmDEN-SUX
1h 33mnonstop
United Airlines Logo
6:48 pm - 7:35 pmSUX-DEN
1h 47mnonstop
$214United Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
United Airlines Logo
7:05 pm - 11:00 pmBWI-SUX
4h 55m1 stop
United Airlines Logo
7:50 am - 2:08 pmSUX-BWI
5h 18m1 stop
$244United Airlines
Find Deal
Fri, Sep 19 - Tue, Sep 23
United Airlines Logo
3:40 pm - 6:13 pmDEN-SUX
1h 33mnonstop
United Airlines Logo
6:48 pm - 7:35 pmSUX-DEN
1h 47mnonstop
$254United Airlines
Find Deal
Thu, Sep 25 - Thu, Oct 2
United Airlines Logo
3:40 pm - 6:14 pmDEN-SUX
1h 34mnonstop
United Airlines Logo
6:51 pm - 7:40 pmSUX-DEN
1h 49mnonstop
$262United Airlines
Find Deal
Fri, Oct 10 - Sun, Oct 12
United Airlines Logo
9:08 pm - 11:00 pmORD-SUX
1h 52mnonstop
United Airlines Logo
7:50 am - 9:41 amSUX-ORD
1h 51mnonstop
$265United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
United Airlines Logo
2:40 pm - 11:00 pmATL-SUX
9h 20m2 stops
United Airlines Logo
7:50 am - 1:44 pmSUX-ATL
4h 54m1 stop
$289United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
United Airlines Logo
2:40 pm - 11:00 pmATL-SUX
9h 20m2 stops
United Airlines Logo
7:50 am - 7:44 pmSUX-ATL
10h 54m2 stops
$294United Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 30
United Airlines Logo
7:00 pm - 10:57 pmDCA-SUX
4h 57m1 stop
United Airlines Logo
7:50 am - 3:51 pmSUX-DCA
7h 01m1 stop
$300United Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24
United Airlines Logo
4:50 pm - 11:34 pmIND-SUX
7h 44m1 stop
United Airlines Logo
6:00 am - 2:52 pmSUX-IND
7h 52m1 stop
$304United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
 Logo
10:35 am - 11:00 pmATL-SUX
13h 25m2 stops
 Logo
6:51 pm - 11:44 amSUX-ATL
15h 53m3 stops
Booking Insights

KAYAK's insights & trends for flights to Sioux City

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

What is the cheapest flight to Sioux City?

These are the best round-trip prices found by users searching on KAYAK in the last 72 hours.

In the last 3 days, the cheapest flight deal to Sioux City was found on the route from Chicago, at $214 return. The most popular connection is from Denver to Sioux City and KAYAK users have found round-trip deals for as low as $214 in the last 3 days.

Good to know - Book Cheap Sioux City Plane Tickets

Low seasonApril
Cheapest flight$161
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly and prices are also 21% lower on average.
Flight from Chicago to Sioux City

When to book flights to Sioux City

Are your dates flexible? Find out the best times to travel to Sioux City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Sioux City based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs - booking Sioux City flights

  • What is the cheapest flight to Sioux City?

    In the last 3 days, the cheapest flight deal to Sioux City was found on the route from Chicago, at $214 return. The most popular connection is from Denver to Sioux City and KAYAK users have found round-trip deals for as low as $214 in the last 3 days.

  • How far is Sioux City Sioux Gateway Airport from central Sioux City?

    There are 7 miles between Sioux City city center and Sioux City Sioux Gateway Airport.

  • What is the name of Sioux City’s airport?

    Sioux City is served by Sioux City Sioux Gateway Airport, also commonly referred to as Sioux Gateway. The airport code is SUX.

  • How much is a flight to Sioux City?

    On average, a flight to Sioux City costs $472. The cheapest price found on KAYAK in the last 2 weeks cost $416 and departed from Chicago O'Hare Intl Airport.

  • What is the cheapest day to fly to Sioux City?

    Based on KAYAK data, the cheapest day to fly to Sioux City is Friday where round-trip tickets can be as cheap as $414. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $556 on average.

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

    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 to Sioux City.

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

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

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

    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 to Sioux City 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 to Sioux City?

    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 to Sioux City up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Sioux City?

    The cheapest time of day to fly to Sioux City is generally in the evening, when round-trip flights cost $423 on average. The most expensive time of day to fly to Sioux City is generally in the morning, which is peak travel time and where the average cost of a ticket is $444.

Top tips for finding cheap flights to Sioux City

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Sioux City flight deals.

Reviews of the top airline flying to Sioux City

 
See real verified KAYAK customer reviews for airlines flying to Sioux City. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from the United States to Sioux City. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Sioux City? 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 8943 reviews
8.1Crew
7.3Comfort
6.6Food
7.7Boarding
7.1Entertainment
Airline reviews

All of the United employees I interacted with were professional and courteous. The aircraft was clean, the food on the flight was good. No complaints here.

10.0 ExcellentCraig, Aug 2025SLC - EWR
Read more United Airlines reviews

All of the United employees I interacted with were professional and courteous. The aircraft was clean, the food on the flight was good. No complaints here.

Armrest controller on my seat 35D and nextbooennseat 35E did not work right. Hard to press buttons to recognize and 35D had constantnpressure either upmost down somit was nearly impossible to make selections. .

I flew with my dog and had already purchased my dog’s ticket. Even that morning I had called costumer service to insure that my husband and I had seats together since the website was giving me an error when choosing our seats and the representative mentioned our dog. I showed up early to the airport and when I got to the gate and we started boarding I was help back and told that I was supposed to have a yellow tag and that I should have checked in at the counter for them to give me that tag. I was not aware of this, the representative on the phone did not say anything. Nor did I see it anywhere in the checking process online, so if you travel with a pet and are not checking in luggage, just know that you still have to go to the check in counter when arriving at the airport unless you want to be the last one to board and not have room for your carry on in the overhead bins. Other than that, I had a great experience.

Once we got in the air the pilot made up some of the time of the delay. So that was really nice.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

There was no food available for this red eye... one little waffle cookie for a 6+ hour flight... thank God I was able to sleep some

It is clear that someone knew, and competent, is in charge of food at United Airlines at least for the international flights. I was flying in coach, but the choices of the dinner were excellent. Tasty, and appropriate size. I had the beef, which was a little bit like a shepherds pie, and it was good. Nothing comparable has been served on a United flight in years. It will not be confused with three star food, but it is very good for airline food. Even better was the breakfast choice between a cinnamon roll and a breakfast sandwich. I chose the breakfast sandwich which was absolutely delicious and which I would happily order again at my local Starbucks or Panera. It is clear that someone knew indifferent is in charge of the food and it’s about time.

The flight was comfortable with the exit row and great service

Had to cancel first flight because Airporter Bus took over 3 hrs to get to airport which resulted in an extra $378 dollar fare . Is there anyway I can be reimbursed for initial fare since it was not my fault? Sent from my iPhone EJ Ledet

Plane was crowded and even when we hit altitude, the plane was hot, not enough air flow.

Everything you need to know for your flight to Sioux City

Information on the airport you'll fly into in Sioux City

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