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Cheap flights from Illinois to Sioux City from $161

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Sioux City departing on 3/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Sioux City

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to Sioux City that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to Sioux City.

Cheap last minute flights

Planning a quick getaway from Illinois to Sioux City? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sioux City, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Illinois to Sioux City

Find recent round-trip train or bus tickets from Illinois to Sioux City.

All round-trip flight deals to Sioux City

The cheapest plane tickets to Sioux City found on KAYAK recently.
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$194United Airlines
Find Deal
Fri, Feb 7 - Sun, Feb 9
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$214United Airlines
Find Deal
Wed, Feb 5 - Mon, Feb 10
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$219United Airlines
Find Deal
Fri, Jan 31 - Wed, Feb 5
4:08 pm - 4:23 pmORD-SUX
24h 15m1 stop
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$337United Airlines
Find Deal
Wed, Feb 5 - Mon, Feb 10
6:18 pm - 2:34 pmORD-SUX
20h 16m2 stops
10:00 am - 11:48 amSUX-ORD
1h 48mnonstop
$347United Airlines
Find Deal
Wed, Mar 19 - Wed, Mar 26
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
5:15 pm - 11:20 amSUX-ORD
18h 05m1 stop
$348United Airlines
Find Deal
Fri, Feb 7 - Sun, Feb 9
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
10:00 am - 11:48 amSUX-ORD
1h 48mnonstop
$350United Airlines
Find Deal
Thu, Feb 27 - Thu, Mar 6
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
5:15 pm - 11:20 amSUX-ORD
18h 05m1 stop
$353United Airlines
Find Deal
Fri, Jan 31 - Wed, Feb 5
1:40 pm - 4:22 pmORD-SUX
26h 42m2 stops
5:15 pm - 1:14 pmSUX-ORD
19h 59m2 stops
$1,232
Find Deal
Sat, Feb 22 - Mon, Feb 24
1:40 pm - 4:22 pmORD-SUX
26h 42m2 stops
5:15 pm - 1:15 pmSUX-ORD
20h 00m1 stop
$1,255
Find Deal
Sat, Feb 22 - Mon, Feb 24
8:28 pm - 10:20 pmORD-SUX
1h 52mnonstop
$161United Airlines
Find Deal
Wed, Mar 19
9:38 pm - 2:34 pmORD-SUX
16h 56m1 stop
$234United Airlines
Find Deal
Wed, Mar 19
6:18 pm - 2:34 pmORD-SUX
20h 16m2 stops
$243United Airlines
Find Deal
Wed, Mar 19
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
$251United Airlines
Find Deal
Sat, Jan 25
4:08 pm - 4:23 pmORD-SUX
24h 15m1 stop
$265United Airlines
Find Deal
Fri, Jan 31
5:50 pm - 4:23 pmORD-SUX
22h 33m2 stops
$274United Airlines
Find Deal
Fri, Jan 31
8:45 am - 4:23 pmORD-SUX
7h 38m1 stop
$281United Airlines
Find Deal
Sat, Jan 25
6:00 pm - 4:23 pmORD-SUX
22h 23m2 stops
$318United Airlines
Find Deal
Sat, Jan 25
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$472United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
5:15 pm - 9:38 amSUX-ORD
16h 23m1 stop
$510United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
5:15 pm - 11:37 amSUX-ORD
18h 22m2 stops
$584United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
7:55 pm - 4:23 pmORD-SUX
20h 28m2 stops
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$636United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
7:55 pm - 4:23 pmORD-SUX
20h 28m2 stops
5:15 pm - 9:38 amSUX-ORD
16h 23m1 stop
$674United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
7:55 pm - 4:23 pmORD-SUX
20h 28m2 stops
5:15 pm - 9:42 amSUX-ORD
16h 27m2 stops
$743United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
2:39 pm - 4:23 pmORD-SUX
25h 44m1 stop
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$805United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
2:16 pm - 4:23 pmORD-SUX
26h 07m2 stops
5:15 pm - 9:42 amSUX-ORD
16h 27m2 stops
$914United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$940United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
1:40 pm - 4:23 pmORD-SUX
26h 43m2 stops
5:15 pm - 11:59 pmSUX-ORD
6h 44m1 stop
$1,077
Find Deal
Fri, Jan 17 - Sun, Jan 19
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$194United Airlines
Find Deal
Fri, Feb 7 - Sun, Feb 9
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$204United Airlines
Find Deal
Fri, Jan 31 - Sun, Feb 2
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$214United Airlines
Find Deal
Wed, Feb 5 - Mon, Feb 10
8:20 pm - 10:12 pmORD-SUX
1h 52mnonstop
10:00 am - 11:49 amSUX-ORD
1h 49mnonstop
$219United Airlines
Find Deal
Fri, Jan 31 - Wed, Feb 5
9:05 pm - 10:45 pmORD-SUX
1h 40mnonstop
7:45 am - 9:29 amSUX-ORD
1h 44mnonstop
$326United Airlines
Find Deal
Tue, Jul 1 - Fri, Jul 4

United Airlines flights from Illinois to Sioux City

Our best United Airlines deals on Illinois to Sioux City flight tickets
United Airlines
Feb 7
ORD8:20 pmChicago O'Hare Intl
1h 52m
SUX10:12 pmSioux City Sioux Gateway
Feb 9
SUX10:00 amSioux City Sioux Gateway
1h 49m
ORD11:49 amChicago O'Hare Intl
United Airlines
Feb 5
ORD8:20 pmChicago O'Hare Intl
1h 52m
SUX10:12 pmSioux City Sioux Gateway
Feb 10
SUX10:00 amSioux City Sioux Gateway
1h 49m
ORD11:49 amChicago O'Hare Intl
United Airlines
Jan 31
ORD8:20 pmChicago O'Hare Intl
1h 52m
SUX10:12 pmSioux City Sioux Gateway
Feb 5
SUX10:00 amSioux City Sioux Gateway
1h 49m
ORD11:49 amChicago O'Hare Intl

See travel insights to Sioux City from

How to get the cheapest flight ticket from Illinois 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 Illinois is in December. Flight prices, which tend to average around $188, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Sioux City, with average flight prices from Illinois averaging around $273.

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 Illinois is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $272. 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 Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $354.

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 evening when flights can be purchased for as low as $283. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $347 on average. Flights to Sioux City from Illinois in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to Sioux City Sioux Gateway flight route?

Fly from Chicago O'Hare Intl to Sioux City Sioux Gateway for the best Illinois - Sioux City Sioux Gateway flight prices

What cabin class options are available on Illinois to Sioux City Sioux Gateway flights?

There are 1 cabin classes available to choose from on Illinois to Sioux City Sioux Gateway flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Illinois to Sioux City flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Sioux City

Best Price Found

$161

Fastest flight time

1h 52m

Direct flights

Wed, Thu, Sat and Sun

Airports in Sioux City

1 airport
The best one-way flight to Sioux City from Illinois in the past 72 hours is $161. The best round-trip flight deal from Illinois to Sioux City found on momondo in the last 72 hours is $194.
The fastest flight from Illinois to Sioux City takes 1h 52m
Direct flights go from Illinois to Sioux City on Wednesday, Thursday, Saturday and Sunday. The only airline offering direct flights is United Airlines.
There is 1 airport near Sioux City: Sioux City Sioux Gateway (SUX)

  • When did momondo last update prices for flights from Illinois to Sioux City Sioux Gateway Airport?

    Prices for flights from Illinois to Sioux City Sioux Gateway Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Sioux City Sioux Gateway Airport?

  • How old do you have to be to fly from Illinois to Sioux City Sioux Gateway Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Sioux City Sioux Gateway Airport.

  • What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?

    The required travel and health documents for your Sioux City Sioux Gateway Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sioux City Sioux Gateway Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Sioux City?


Best airlines flying from Illinois to Sioux City

Compare and see reviews for airlines that fly from Illinois to Sioux City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $225Free CancellationRating
7.4
8,961 reviews
Search United Airlines flights

Traveling to a place near Sioux City?

Book flights to Sioux City if you plan to visit one of these locations
Norfolk

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Sioux City?

It is quick and easy to find Illinois to Sioux City flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sioux City that suits you.

Can I find flights from Illinois to Sioux City with flexible booking policies on momondo?

Flights from Illinois to Sioux City with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Illinois 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 Illinois to Sioux City.

I’m not ready to book a flight from Illinois to Sioux City right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois to Sioux City flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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