SUX

$163 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 7/22. 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, 0 bags

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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Everything you should know

Cheapest round-trip
$234
Typical prices: $254-$410
United Airlines
Thu 8/13Sun 8/16
DEN - SUX • Non-stop
Cheapest one-way
$163
United Airlines
Wed 7/22
DEN - SUX • Non-stop
Top routes
DEN
-
SUX
Cheapest
LAX
-
SUX
Most popular
Insights
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Sioux City!
Flight Deals
Booking Insights
Flight Deals

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

Thu, Aug 13 - Sun, Aug 16
United Airlines Logo
8:15 am - 10:55 am
DEN
-
SUX
1h 40mnonstop
United Airlines Logo
11:30 am - 12:24 pm
SUX
-
DEN
1h 54mnonstop
$234United Airlines
Thu, Jul 16 - Tue, Jul 21
United Airlines Logo
9:05 pm - 11:41 pm
DEN
-
SUX
1h 36mnonstop
United Airlines Logo
11:32 am - 12:26 pm
SUX
-
DEN
1h 54mnonstop
$274United Airlines
Fri, Jul 17 - Mon, Jul 20
United Airlines Logo
4:25 pm - 11:41 pm
PHX
-
SUX
5h 16m
1 stop
United Airlines Logo
6:35 pm - 9:59 pm
SUX
-
PHX
5h 24m
1 stop
$304United Airlines
Wed, Aug 19 - Wed, Aug 26
United Airlines Logo
9:00 am - 5:53 pm
PHX
-
SUX
6h 53m
1 stop
United Airlines Logo
8:10 am - 8:37 pm
SUX
-
PHX
14h 27m
2 stops
$309United Airlines
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
8:15 am - 10:55 am
DEN
-
SUX
1h 40mnonstop
United Airlines Logo
11:30 am - 12:24 pm
SUX
-
DEN
1h 54mnonstop
$322United Airlines
Mon, Jul 6 - Fri, Jul 10
United Airlines Logo
8:15 am - 10:57 am
DEN
-
SUX
1h 42mnonstop
United Airlines Logo
6:35 pm - 7:29 pm
SUX
-
DEN
1h 54mnonstop
$330United Airlines
Mon, Jul 20 - Mon, Jul 27
United Airlines Logo
5:45 am - 10:57 am
MSP
-
SUX
5h 12m
1 stop
United Airlines Logo
6:35 pm - 11:59 pm
SUX
-
MSP
5h 24m
1 stop
$334United Airlines
Thu, Jul 16 - Mon, Jul 20
United Airlines Logo
10:06 am - 11:41 pm
PHX
-
SUX
11h 35m
2 stops
United Airlines Logo
6:35 pm - 9:59 pm
SUX
-
PHX
5h 24m
1 stop
$338United Airlines
Wed, Nov 25 - Mon, Nov 30
United Airlines Logo
9:05 pm - 11:41 pm
DEN
-
SUX
1h 36mnonstop
United Airlines Logo
6:46 pm - 7:37 pm
SUX
-
DEN
1h 51mnonstop
$346United Airlines
Wed, Jul 15 - Sat, Jul 18
United Airlines Logo
1:00 pm - 5:53 pm
DCA
-
SUX
5h 53m
1 stop
United Airlines Logo
8:10 am - 5:12 pm
SUX
-
DCA
8h 02m
1 stop
$354United Airlines
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 5 days.

In the last 5 days, the cheapest flight deal to Sioux City was found on the route from Denver, at $234 return. The most popular connection is from Los Angeles to Sioux City and KAYAK users have found round-trip deals for as low as $443 in the last 5 days.

What is the cheapest day to fly to Sioux City?

The average price of all round-trip flights to Sioux City clicked on KAYAK for each day over the last 12 months.

Based on KAYAK data, the cheapest day to fly to Sioux City is Saturday where round-trip tickets can be as cheap as $214. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $468 on average.

Find deals

Good to know - Book Cheap Sioux City Plane Tickets

Low seasonAugust
Cheapest flight$163
Best time to beat the crowds but there is an average 20% increase in price.
Most popular time to fly with an average 3% increase in price.
Flight from Denver 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 5 days, the cheapest flight deal to Sioux City was found on the route from Denver, at $234 return. The most popular connection is from Los Angeles to Sioux City and KAYAK users have found round-trip deals for as low as $443 in the last 5 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 $248. The cheapest price found on KAYAK in the last 2 weeks cost $163 and departed from Denver Intl Airport.

  • 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.

Top tips for finding cheap flights to Sioux City

  • Looking for cheap airfare to Sioux City? 25% of our users found round-trip tickets to Sioux City for the following prices or less: From Denver $234
  • 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 9893 reviews
7.7Boarding
7.1Entertainment
7.3Comfort
8.1Crew
6.6Food
Airline reviews

1 flight cancelled Had to fly out of different city Flight at new departure city was delayed 3 hours causing us to miss connecting flights. By the time we did make it to Prague our luggage did not. Had to wait day and a half for luggage to be delivered. Customer service was not good. Agents did not arrive at gate until 5-10 minutes before boarding

2.0 MediocreRuss, Jun 2026
FOD - ORD
Read more United Airlines reviews

1 flight cancelled Had to fly out of different city Flight at new departure city was delayed 3 hours causing us to miss connecting flights. By the time we did make it to Prague our luggage did not. Had to wait day and a half for luggage to be delivered. Customer service was not good. Agents did not arrive at gate until 5-10 minutes before boarding

Awful. Delayed flights, missed connection to Toronto. Hotel vouchers were for already booked hotels x3. Giant waste of my time

Horrible I am at almost 2,000,000 miles on United. This was probably the worst flight ever. An hour and a half before takeoff I get a message that they’re changing the plane and I no longer have a seat in Polaris business Supposedly, there was a problem with the plane, but then there was no other plane Finally, they decided to bring a plane from Newark to Washington Dulles Of course the original flight was at 10:45 PM so by the time the plane got there it was 12:30 AM. It had not been cleaned. It had not been catered. They don’t really have people available to do those things when it’s not pre-programmed at 1 o’clock in the morning. The crew had to be changed And the new plane held 28 fewer people than the scheduled plane There is no way you can hate United Airlines enough The people at the gate were actually just fine, but it was management who was completely useless And did they send extra help to the people at the gate? Did they send supervisors? Of course not. Just don’t take United find somebody else or buy a boat

Great experience. Boarding was fast, staff were very nice and funny, everything at the seat worked well.

Boarding was great, and the crew were very friendly. The seats must have been a bit on the older side and you could feel some of the seat components through the padding. Also, the plugs did not work on the row's entertainment screen or charging ports. Checked bag was transferred for connecting flight, and we appreciated how early we had the connecting gate information.

A long delay. Don't travel late in the day.

The seat was comfortable. There was a lot of turbulence. If it weren't for that,it would have been okay.

It was great, I’m very grateful for the pilots and crew flight attendants for everything.

Flight was great. Efficient boarding. Short flight. Early arrival. Friendly flight crew. The entertainment system did not work well. Could not access it until the aircraft reached 10K feet or more. Lots of glitches.

No food service almost missed because of first flight delays

Everything you need to know for your flight to Sioux City

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

Sioux City (SUX)