Cheap flights from Sioux City (SUX) from $204

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Fly to

Route

Depart

Return

Price

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Wed 1/21

6:00 am-6:57 am

Nonstop1h 57m

$158

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Fri 1/30

12:45 pm-2:40 pm

Nonstop1h 55m

$166

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Sat 1/17

6:00 am-12:55 pm

1 stop6h 55m

$235

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Sat 1/17

6:00 am-3:26 pm

2 stops9h 26m

$241

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Tue 5/12

6:00 am-7:54 am

2 stops25h 54m

$244

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Thu 1/15

6:00 am-10:45 am

1 stop6h 45m

$250

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Thu 1/15

6:00 am-12:17 pm

2 stops8h 17m

$256

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Mon 5/11

12:45 pm-2:40 pm

Nonstop1h 55m

$256

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Fri 4/3

6:00 am-11:25 am

1 stop5h 25m

$267

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Fri 4/3

12:55 pm-11:15 pm

2 stops10h 20m

$273

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Where can I directly fly to from Sioux City?

Currently, destinations can be reached directly via flights from Sioux City.

Find the cheapest flights from Sioux City

One-way

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International

Domestic

Cheap one-way flights from Sioux City

Enter your travel dates to find the best prices.

6:00 am - 6:57 am

SUX

DEN

1h 57mnonstop

$158United Airlines

Wed, Jan 21

12:45 pm - 2:40 pm

SUX

ORD

1h 55mnonstop

$166United Airlines

Fri, Jan 30

6:00 am - 12:55 pm

SUX

AUS

6h 55m1 stop

$235United Airlines

Sat, Jan 17

6:00 am - 3:26 pm

SUX

AUS

9h 26m2 stops

$241United Airlines

Sat, Jan 17

6:00 am - 7:54 am

SUX

ORD

25h 54m2 stops

$244United Airlines

Tue, May 12

6:00 am - 10:45 am

SUX

LAS

6h 45m1 stop

$250United Airlines

Thu, Jan 15

6:00 am - 12:17 pm

SUX

LAS

8h 17m2 stops

$256United Airlines

Thu, Jan 15

12:45 pm - 2:40 pm

SUX

ORD

1h 55mnonstop

$256United Airlines

Mon, May 11

6:00 am - 11:25 am

SUX

AUS

5h 25m1 stop

$267United Airlines

Fri, Apr 3

12:55 pm - 11:15 pm

SUX

AUS

10h 20m2 stops

$273United Airlines

Fri, Apr 3

Flights from Sioux City - Travel Insights & Trends

Get data-powered insights and trends into flights from Sioux City to help you craft the best travel plan.

Prices

Other information

Frequently asked questions regarding flights from Sioux City

Which airlines are currently offering the cheapest flights from Sioux City?

Our data suggests that currently, the cheapest flights from Sioux City are being offered by United Airlines. For example, United Airlines flights from Sioux City to Denver start at $205.

What is the cheapest flight available from Sioux City?

Currently, the cheapest flight from Sioux City found by our users is for $173 to Denver. Prices will vary according to several factors such as the departure date and time, but on average you can expect to pay around $312 to travel from Sioux City to Denver.

Which destinations have the most frequent flights from Sioux City?

Denver, Chicago and Chicago O'Hare Intl Airport are currently the destinations served most frequently from Sioux City, with 2, 1 and 1 flights per day on average, respectively.

Which airlines can you fly with from Sioux City?

Airlines including United Airlines frequently fly from Sioux City. You can view other airlines by performing a quick search in the form above.

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

Prices for flights from Sioux City Sioux Gateway Airport were last updated today.

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

As of January 2026, there is 1 operator available to choose from for flights from Sioux City Sioux Gateway Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sioux City Sioux Gateway Airport.

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

The travel and health documents required for your trip to Sioux City Sioux Gateway Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sioux City Sioux Gateway Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.