How many flights depart from Sioux City to United States on average per week?

The number of flights available between Sioux City and United States is 18 per week as of June 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

What airlines fly to United States?

American Airlines, Southwest and Allegiant Air are the top three most popular airlines that fly to United States from Sioux City according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 8 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Sioux City Sioux Gateway to United States?

United Airlines is the most popular carrier operating from Sioux City Sioux Gateway to United States

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

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

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

The number of operators available for flights from Sioux City Sioux Gateway Airport to United States is 1 as of June 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sioux City Sioux Gateway Airport to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents required for your trip to United States 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 United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$168 Cheap Flights from Sioux City to the United States in 2026

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Find the cheapest flights from Sioux City to the United States

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 am - 10:02 am

SUX

ORD

1h 52mnonstop

3:59 pm - 5:53 pm

ORD

SUX

1h 54mnonstop

$224United Airlines

Thu, Jul 9 - Sun, Jul 12

6:35 pm - 7:29 pm

SUX

DEN

1h 54mnonstop

9:05 pm - 11:41 pm

DEN

SUX

1h 36mnonstop

$234United Airlines

Thu, Jul 9 - Sun, Jul 19

11:32 am - 12:26 pm

SUX

DEN

1h 54mnonstop

8:15 am - 10:57 am

DEN

SUX

1h 42mnonstop

$247United Airlines

Wed, Jul 1 - Tue, Jul 7

9:03 am - 10:55 am

SUX

ORD

1h 52mnonstop

4:00 pm - 5:54 pm

ORD

SUX

1h 54mnonstop

$264United Airlines

Sat, Oct 31 - Wed, Nov 4

8:10 am - 10:02 am

SUX

ORD

1h 52mnonstop

3:59 pm - 5:53 pm

ORD

SUX

1h 54mnonstop

$265United Airlines

Thu, Jun 25 - Mon, Jun 29

11:30 am - 12:24 pm

SUX

DEN

1h 54mnonstop

8:15 am - 10:55 am

DEN

SUX

1h 40mnonstop

$274United Airlines

Fri, Aug 21 - Tue, Aug 25

8:10 am - 2:41 pm

SUX

AUS

6h 31m

1 stop

5:39 am - 10:57 am

AUS

SUX

5h 18m

1 stop

$294United Airlines

Wed, Jul 1 - Tue, Jul 7

8:10 am - 3:32 pm

SUX

DFW

7h 22m

1 stop

5:45 am - 10:57 am

DFW

SUX

5h 12m

1 stop

$294United Airlines

Sat, Jul 4 - Fri, Jul 10

8:10 am - 3:32 pm

SUX

DFW

7h 22m

1 stop

6:45 pm - 11:41 pm

DFW

SUX

4h 56m

1 stop

$304United Airlines

Sat, Jul 4 - Fri, Jul 10

9:03 am - 10:55 am

SUX

ORD

1h 52mnonstop

4:00 pm - 5:54 pm

ORD

SUX

1h 54mnonstop

$305United Airlines

Wed, Nov 4 - Sun, Nov 8

United Airlines flights from Sioux City to United States

Our best United Airlines deals on Sioux City to United States flight tickets

United Airlines

Jul 9

SUX8:10 amSioux City Sioux Gateway

1h 52m

ORD10:02 amChicago O'Hare Intl

Jul 12

ORD3:59 pmChicago O'Hare Intl

1h 54m

SUX5:53 pmSioux City Sioux Gateway

$224

United Airlines

Jul 9

SUX6:35 pmSioux City Sioux Gateway

1h 54m

DEN7:29 pmDenver Intl

Jul 19

DEN9:05 pmDenver Intl

1h 36m

SUX11:41 pmSioux City Sioux Gateway

$234

United Airlines

Jul 1

SUX11:32 amSioux City Sioux Gateway

1h 54m

DEN12:26 pmDenver Intl

Jul 7

DEN8:15 amDenver Intl

1h 42m

SUX10:57 amSioux City Sioux Gateway

$247

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Thu 7/9

8:10 am-10:02 am

Nonstop1h 52m

Chicago O'Hare Intl

Sun 7/12

3:59 pm-5:53 pm

Nonstop1h 54m

$224

Quickest round-trip

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Thu 7/9

6:35 pm-7:29 pm

Nonstop1h 54m

Denver Intl

Sun 7/19

9:05 pm-11:41 pm

Nonstop1h 36m

$234

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Wed 7/1

11:32 am-12:26 pm

Nonstop1h 54m

Denver Intl

Tue 7/7

8:15 am-10:57 am

Nonstop1h 42m

$247

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Sat 10/31

9:03 am-10:55 am

Nonstop1h 52m

Chicago O'Hare Intl

Wed 11/4

4:00 pm-5:54 pm

Nonstop1h 54m

$264

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Thu 6/25

8:10 am-10:02 am

Nonstop1h 52m

Chicago O'Hare Intl

Mon 6/29

3:59 pm-5:53 pm

Nonstop1h 54m

$265

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 8/21

11:30 am-12:24 pm

Nonstop1h 54m

Denver Intl

Tue 8/25

8:15 am-10:55 am

Nonstop1h 40m

$274

Sioux CityAustin

SUX - AUS

SUXAUS

Sioux City Sioux Gateway

Wed 7/1

8:10 am-2:41 pm

1 stop6h 31m

Austin Bergstrom

Tue 7/7

5:39 am-10:57 am

1 stop5h 18m

$294

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Sat 7/4

8:10 am-3:32 pm

1 stop7h 22m

Dallas/Fort Worth

Fri 7/10

5:45 am-10:57 am

1 stop5h 12m

$294

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Sat 7/4

8:10 am-3:32 pm

1 stop7h 22m

Dallas/Fort Worth

Fri 7/10

6:45 pm-11:41 pm

1 stop4h 56m

$304

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Wed 11/4

9:03 am-10:55 am

Nonstop1h 52m

Chicago O'Hare Intl

Sun 11/8

4:00 pm-5:54 pm

Nonstop1h 54m

$305

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sioux City to United States

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

Prices

Airlines

Other information

What is the cheapest month to fly to United States?

In general, August is the cheapest month to fly from Sioux City to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $171. If you aren’t able to travel during the month of August, then book flights to United States from Sioux City during December instead. Flights to United States in December, while not as cheap as those in August, still average around $214.

Can stopping save me money on Sioux City to United States flights?

You could potentially save up to 30% on your flight if you consider stops on a Sioux City to United States flight.

Cheap Sioux City to United States flight deals and tips

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

Best Price Found	$267
Fastest flight time	1h 52m
Direct flights	Every day
Airports in United States	4,297 airports

The best one-way flight to United States from Sioux City in the past 72 hours is $267. The best round-trip flight deal from Sioux City to United States found on momondo in the last 72 hours is $328.

The fastest flight from Sioux City to United States takes 1h 52m

Direct flights go from Sioux City to United States every day.

There are 4,297 airports in United States. From Sioux City there are direct flights to Chicago O'Hare Intl (ORD), Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Sioux City to the United States

When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to United States?
Prices for flights from Sioux City Sioux Gateway Airport to United States were last updated today.
How many operators does momondo search for flights from Sioux City Sioux Gateway Airport to United States?
The number of operators available for flights from Sioux City Sioux Gateway Airport to United States is 1 as of June 2026.
How old do you have to be to fly from Sioux City Sioux Gateway Airport to United States?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sioux City Sioux Gateway Airport to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents required for your trip to United States 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 United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Sioux City to United States?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Sioux City to United States is Canadair (Bombardier) Regional Jet (64.62% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (4.62%), Boeing 737-900 (3.08%), and Boeing 737-800 Passenger/BBJ2 (winglets) (3.08%).

Best airlines flying from Sioux City to United States

Compare and see reviews for airlines that fly from Sioux City to United States with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $249	Free Cancellation	Rating 7.4 9,781 reviews		Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sioux City to United States for you.

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

momondo does allow users to show only those flights to United States from Sioux City which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sioux City to United States?

momondo helps you find the best flight between Sioux City and United States by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to United States, momondo offers a useful price alert feature which will track prices for flights to United States from Sioux City and alert you when they change.