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

What airlines fly to United States?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to United States from Sioux City according to our data. United Airlines is the first choice among our users, with 28% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 7 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

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 21 per week as of February 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

As of February 2026, 3 flights take off from Sioux City and land in United States each day. The most common flight departure time for this route is 6:00AM, with 50% of daily flights taking off at noon.

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 February 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.

$158 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.

12:53 pm - 2:40 pm

SUX

ORD

1h 47mnonstop

4:05 pm - 5:56 pm

ORD

SUX

1h 51mnonstop

$204United Airlines

Do, Mrz 26 - So, Mrz 29

6:32 pm - 7:25 pm

SUX

DEN

1h 53mnonstop

8:05 am - 10:46 am

DEN

SUX

1h 41mnonstop

$214United Airlines

Do, Apr 9 - So, Apr 12

12:55 pm - 2:40 pm

SUX

ORD

1h 45mnonstop

4:05 pm - 5:56 pm

ORD

SUX

1h 51mnonstop

$244United Airlines

Do, Apr 9 - Mo, Apr 13

6:30 pm - 7:24 pm

SUX

DEN

1h 54mnonstop

8:15 am - 10:57 am

DEN

SUX

1h 42mnonstop

$254United Airlines

Do, Jul 2 - Mo, Jul 6

11:32 am - 12:26 pm

SUX

DEN

1h 54mnonstop

8:15 am - 10:57 am

DEN

SUX

1h 42mnonstop

$262United Airlines

Fr, Jun 5 - Mo, Jun 8

7:53 am - 9:45 am

SUX

ORD

1h 52mnonstop

4:00 pm - 5:54 pm

ORD

SUX

1h 54mnonstop

$265United Airlines

Sa, Jun 27 - Mi, Aug 19

6:32 pm - 10:09 pm

SUX

PHX

5h 37m

1 stop

4:34 pm - 11:44 pm

PHX

SUX

5h 10m

1 stop

$272United Airlines

Fr, Apr 24 - Mo, Apr 27

9:03 am - 2:57 pm

SUX

LAS

7h 54m

1 stop

2:19 pm - 11:42 pm

LAS

SUX

7h 23m

2 stops

$274United Airlines

Mi, Aug 12 - Sa, Aug 15

9:03 am - 8:19 pm

SUX

LAS

13h 16m

2 stops

2:19 pm - 11:42 pm

LAS

SUX

7h 23m

2 stops

$279United Airlines

Mi, Aug 12 - Sa, Aug 15

6:00 am - 9:46 am

SUX

SEA

5h 46m

1 stop

7:00 am - 5:56 pm

SEA

SUX

8h 56m

1 stop

$282United Airlines

Mi, Apr 22 - Sa, Apr 25

United Airlines flights from Sioux City to United States

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

United Airlines

Mar 26

SUX12:53 pmSioux City Sioux Gateway

1h 47m

ORD2:40 pmChicago O'Hare Intl

Mar 29

ORD4:05 pmChicago O'Hare Intl

1h 51m

SUX5:56 pmSioux City Sioux Gateway

$204

United Airlines

Apr 9

SUX6:32 pmSioux City Sioux Gateway

1h 53m

DEN7:25 pmDenver Intl

Apr 12

DEN8:05 amDenver Intl

1h 41m

SUX10:46 amSioux City Sioux Gateway

$214

United Airlines

Apr 9

SUX12:55 pmSioux City Sioux Gateway

1h 45m

ORD2:40 pmChicago O'Hare Intl

Apr 15

ORD4:05 pmChicago O'Hare Intl

1h 51m

SUX5:56 pmSioux City Sioux Gateway

$244

momondo Fare Finder

Use the filters below to find and compare flights from Sioux City to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Do 3/26

12:53 pm-2:40 pm

Nonstop1h 47m

Chicago O'Hare Intl

So 3/29

4:05 pm-5:56 pm

Nonstop1h 51m

$204

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Do 4/9

6:32 pm-7:25 pm

Nonstop1h 53m

Denver Intl

So 4/12

8:05 am-10:46 am

Nonstop1h 41m

$214

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Do 4/9

12:55 pm-2:40 pm

Nonstop1h 45m

Chicago O'Hare Intl

Mo 4/13

4:05 pm-5:56 pm

Nonstop1h 51m

$244

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Do 7/2

6:30 pm-7:24 pm

Nonstop1h 54m

Denver Intl

Mo 7/6

8:15 am-10:57 am

Nonstop1h 42m

$254

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fr 6/5

11:32 am-12:26 pm

Nonstop1h 54m

Denver Intl

Mo 6/8

8:15 am-10:57 am

Nonstop1h 42m

$262

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Sa 6/27

7:53 am-9:45 am

Nonstop1h 52m

Chicago O'Hare Intl

Mi 8/19

4:00 pm-5:54 pm

Nonstop1h 54m

$265

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Fr 4/24

6:32 pm-10:09 pm

1 stop5h 37m

Phoenix Sky Harbor Intl

Mo 4/27

4:34 pm-11:44 pm

1 stop5h 10m

$272

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Mi 8/12

9:03 am-2:57 pm

1 stop7h 54m

Las Vegas Harry Reid Intl

Sa 8/15

2:19 pm-11:42 pm

2 stops7h 23m

$274

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Mi 8/12

9:03 am-8:19 pm

2 stops13h 16m

Las Vegas Harry Reid Intl

Sa 8/15

2:19 pm-11:42 pm

2 stops7h 23m

$279

Sioux CitySeattle

SUX - SEA

SUXSEA

Sioux City Sioux Gateway

Mi 4/22

6:00 am-9:46 am

1 stop5h 46m

Seattle/Tacoma Intl

Sa 4/25

7:00 am-5:56 pm

1 stop8h 56m

$282

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 Sioux City Sioux Gateway to United States flight route?

Fly from Sioux City Sioux Gateway to Denver Intl for the best Sioux City Sioux Gateway - United States flight prices

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

There are 2 cabin classes available to choose from on Sioux City Sioux Gateway to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 50% 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	$244
Fastest flight time	1h 45m
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 $244. The best round-trip flight deal from Sioux City to United States found on momondo in the last 72 hours is $353.

The fastest flight from Sioux City to United States takes 1h 45m

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

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 February 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 (46.34% of total bookings). The next most popular plane models are Airbus A320-100/200 (10.98%), Boeing 737-800 (6.10%), and Airbus A319 (6.10%).

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 $214	Free Cancellation	Rating 7.4 9,349 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.