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 29% 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 14 per week as of November 2025. 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 November 2025, 2 flights take off from Sioux City and land in United States each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

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 November 2025.

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 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:52 pm - 10:51 pmSUX-PHX

4h 59m1 stop

9:00 am - 5:32 pmPHX-SUX

6h 32m1 stop

$244United Airlines

Find Deal

Mon, Dec 8 - Mon, Apr 20

1:00 pm - 6:45 pmSUX-LAX

7h 45m1 stop

7:00 am - 5:41 pmLAX-SUX

8h 41m1 stop

$254United Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 3

12:53 pm - 2:40 pmSUX-ORD

1h 47mnonstop

3:50 pm - 5:41 pmORD-SUX

1h 51mnonstop

$265United Airlines

Find Deal

Fri, Mar 6 - Thu, Mar 12

6:52 pm - 10:55 pmSUX-LAX

6h 03m1 stop

2:18 pm - 10:59 pmLAX-SUX

6h 41m1 stop

$277United Airlines

Find Deal

Thu, Dec 11 - Sun, Dec 14

6:00 am - 8:54 amSUX-LAS

4h 54m1 stop

6:00 am - 5:28 pmLAS-SUX

9h 28m2 stops

$283United Airlines

Find Deal

Fri, Jan 16 - Sun, Jan 18

7:50 am - 6:07 pmSUX-MCO

9h 17m2 stops

6:00 pm - 10:59 pmMCO-SUX

5h 59m1 stop

$294United Airlines

Find Deal

Wed, Dec 3 - Mon, Dec 8

6:00 am - 11:12 amSUX-DFW

5h 12m1 stop

6:10 pm - 11:47 pmDFW-SUX

5h 37m1 stop

$303United Airlines

Find Deal

Thu, Jan 15 - Sun, Jan 18

6:52 pm - 10:51 pmSUX-PHX

4h 59m1 stop

10:35 am - 11:34 pmPHX-SUX

10h 59m2 stops

$304United Airlines

Find Deal

Mon, Dec 8 - Mon, Apr 20

6:00 am - 10:56 amSUX-DFW

4h 56m1 stop

6:00 am - 10:39 amDFW-SUX

4h 39m1 stop

$304United Airlines

Find Deal

Wed, Apr 29 - Sat, May 2

6:52 pm - 7:40 pmSUX-DEN

1h 48mnonstop

3:35 pm - 6:10 pmDEN-SUX

1h 35mnonstop

$310United Airlines

Find Deal

Tue, Dec 2 - Sat, Dec 6

United Airlines flights from Sioux City to United States

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

United Airlines

Dec 8

SUX6:52 pmSioux City Sioux Gateway

4h 59m

1 stop

PHX10:51 pmPhoenix Sky Harbor Intl

Apr 20

PHX9:00 amPhoenix Sky Harbor Intl

6h 32m

1 stop

SUX5:32 pmSioux City Sioux Gateway

$244

Find similar

United Airlines

Feb 28

SUX1:00 pmSioux City Sioux Gateway

7h 45m

1 stop

LAX6:45 pmLos Angeles

Mar 3

LAX7:00 amLos Angeles

8h 41m

1 stop

SUX5:41 pmSioux City Sioux Gateway

$254

Find similar

United Airlines

Mar 6

SUX12:53 pmSioux City Sioux Gateway

1h 47m

ORD2:40 pmChicago O'Hare Intl

Mar 12

ORD3:50 pmChicago O'Hare Intl

1h 51m

SUX5:41 pmSioux City Sioux Gateway

$265

Find similar

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 CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Mon 12/8

6:52 pm-10:51 pm

1 stop4h 59m

Phoenix Sky Harbor Intl

Mon 4/20

9:00 am-5:32 pm

1 stop6h 32m

$244

Sioux CityLos Angeles

SUX - LAX

SUXLAX

Sioux City Sioux Gateway

Sat 2/28

1:00 pm-6:45 pm

1 stop7h 45m

Los Angeles

Tue 3/3

7:00 am-5:41 pm

1 stop8h 41m

$254

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Fri 3/6

12:53 pm-2:40 pm

Nonstop1h 47m

Chicago O'Hare Intl

Thu 3/12

3:50 pm-5:41 pm

Nonstop1h 51m

$265

Sioux CityLos Angeles

SUX - LAX

SUXLAX

Sioux City Sioux Gateway

Thu 12/11

6:52 pm-10:55 pm

1 stop6h 03m

Los Angeles

Sun 12/14

2:18 pm-10:59 pm

1 stop6h 41m

$277

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Fri 1/16

6:00 am-8:54 am

1 stop4h 54m

Las Vegas Harry Reid Intl

Sun 1/18

6:00 am-5:28 pm

2 stops9h 28m

$283

Sioux CityOrlando

SUX - MCO

SUXMCO

Sioux City Sioux Gateway

Wed 12/3

7:50 am-6:07 pm

2 stops9h 17m

Orlando

Mon 12/8

6:00 pm-10:59 pm

1 stop5h 59m

$294

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Thu 1/15

6:00 am-11:12 am

1 stop5h 12m

Dallas/Fort Worth

Sun 1/18

6:10 pm-11:47 pm

1 stop5h 37m

$303

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Mon 12/8

6:52 pm-10:51 pm

1 stop4h 59m

Phoenix Sky Harbor Intl

Mon 4/20

10:35 am-11:34 pm

2 stops10h 59m

$304

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Wed 4/29

6:00 am-10:56 am

1 stop4h 56m

Dallas/Fort Worth

Sat 5/2

6:00 am-10:39 am

1 stop4h 39m

$304

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Tue 12/2

6:52 pm-7:40 pm

Nonstop1h 48m

Denver Intl

Sat 12/6

3:35 pm-6:10 pm

Nonstop1h 35m

$310

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 time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is at noon when flights can be purchased for as low as $272. Try not to purchase tickets in the morning because they tend to be around $441. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 16% 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	$202
Fastest flight time	1h 47m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in United States	2 airports

The best one-way flight to United States from Sioux City in the past 72 hours is $202. The best round-trip flight deal from Sioux City to United States found on momondo in the last 72 hours is $262.

The fastest flight from Sioux City to United States takes 1h 47m

Direct flights go from Sioux City to United States on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.

There are 2 airports near United States: 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 November 2025.
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 (28.17% of total bookings). The next most popular plane models are Airbus A320-100/200 (14.08%), Airbus A319 (9.86%), and Boeing 737 MAX 8 (8.45%).

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 $194	Free Cancellation	Rating 7.4 9,013 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.

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Cheap flights from Sioux City to the United States from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux City to the United States departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Sioux City to the United States

Cheap round-trip flights

Cheap one-way flights

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Cheap direct flights

United Airlines flights from Sioux City to United States

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

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

See travel insights to the United States from

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

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is at noon when flights can be purchased for as low as $272. Try not to purchase tickets in the morning because they tend to be around $441. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 16% on your flight if you consider stops on a Sioux City to United States flight.

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?

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

As of November 2025, 2 flights take off from Sioux City and land in United States each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

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 14 per week as of November 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

Fastest flight time

Direct flights

Airports in United States

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

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

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

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

What is the most popular plane model from Sioux City to United States?

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

Why use momondo?

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

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

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

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

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo