HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
USA

$158+ Cheap flights from Sioux City (SUX) to the United States

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — LAX
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sioux City to USA with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Sioux City to USA

Cheapest flights from Sioux City to USA
Explore the most affordable flight options available from Sioux City to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:53 pm
SUX
-
ORD
Nonstop1h 47m
United Airlines
Sun 3/294:05 pm
ORD
-
SUX
Nonstop1h 51m
United Airlines
Deal found 2/10$204
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:30 pm
SUX
-
DEN
Nonstop1h 54m
United Airlines
Wed 3/118:05 am
DEN
-
SUX
Nonstop1h 40m
United Airlines
Deal found 2/8$214
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:00 am
SUX
-
DEN
Nonstop1h 57m
United Airlines
Mon 6/159:00 pm
DEN
-
SUX
Nonstop1h 42m
United Airlines
Deal found 2/10$221
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:53 pm
SUX
-
ORD
Nonstop1h 47m
United Airlines
Thu 3/123:50 pm
ORD
-
SUX
Nonstop1h 51m
United Airlines
Deal found 2/9$244
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:32 pm
SUX
-
DEN
Nonstop1h 53m
United Airlines
Wed 4/298:05 am
DEN
-
SUX
Nonstop1h 41m
United Airlines
Deal found 2/8$254
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
SUX
-
LAS
1 stop5h 07m
United Airlines
Wed 4/154:35 pm
LAS
-
SUX
1 stop5h 09m
United Airlines
Deal found 2/8$254
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:30 pm
SUX
-
DFW
1 stop5h 14m
United Airlines
Fri 3/205:30 am
DFW
-
SUX
1 stop5h 15m
United Airlines
Deal found 2/9$254
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
SUX
-
PHX
1 stop4h 48m
United Airlines
Wed 4/153:30 pm
PHX
-
SUX
1 stop6h 14m
United Airlines
Deal found 2/8$255
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:00 am
SUX
-
DEN
Nonstop1h 54m
United Airlines
Mon 3/28:05 am
DEN
-
SUX
Nonstop1h 40m
United Airlines
Deal found 2/9$262
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:42 pm
SUX
-
LAS
1 stop5h 23m
United Airlines
Wed 5/62:54 pm
LAS
-
SUX
1 stop6h 38m
United Airlines
Deal found 2/10$264
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:45 pm
SUX
-
ORD
Nonstop1h 55m
United Airlines
Wed 8/193:35 pm
ORD
-
SUX
Nonstop1h 57m
United Airlines
Deal found 2/9$265
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:49 pm
SUX
-
DFW
1 stop5h 03m
United Airlines
Sat 5/305:50 am
DFW
-
SUX
1 stop4h 49m
United Airlines
Deal found 2/8$286

Find flight deals from Sioux City to USA

Keep the following information in mind while searching for Sioux City to USA flight deals. Data was last updated February 11, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$204
(United Airlines)

One-way from

$158
(United Airlines)

Good round-trip deal

$313 or less

Good one-way deal

$229 or less
Provider with most accurate pricing for Sioux City Sioux Gateway-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-New York (NYC) flights.
Search Deals
From Sioux City Sioux Gateway to USA
Search Deals
One-way flight from Sioux City Sioux Gateway to USA
Search Deals
Price to beat on a round-trip flight from Sioux City Sioux Gateway to USA.
Search Deals
Price to beat on a one-way flight from Sioux City Sioux Gateway to USA.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to USA that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Sioux City to the United States that are best for you.

Fly from

Sioux City

Fly to

USA

Route

Depart

Return

Price

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Mon 3/23

12:53 pm-2:40 pm

Nonstop1h 47m

Chicago O'Hare Intl

Sun 3/29

4:05 pm-5:56 pm

Nonstop1h 51m

$204

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 6/5

6:49 pm-7:46 pm

Nonstop1h 57m

Denver Intl

Sun 6/7

8:05 am-10:39 am

Nonstop1h 34m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 8/7

6:49 pm-7:46 pm

Nonstop1h 57m

Denver Intl

Mon 8/10

8:05 am-10:39 am

Nonstop1h 34m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Sat 3/7

6:30 pm-7:24 pm

Nonstop1h 54m

Denver Intl

Wed 3/11

8:05 am-10:45 am

Nonstop1h 40m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 5/22

6:49 pm-7:46 pm

Nonstop1h 57m

Denver Intl

Mon 5/25

9:00 pm-11:42 pm

Nonstop1h 42m

$214

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

$244

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Sat 4/25

6:00 am-6:53 am

Nonstop1h 53m

Denver Intl

Wed 4/29

8:05 am-10:46 am

Nonstop1h 41m

$254

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Sat 4/11

6:00 am-9:07 am

1 stop5h 07m

Las Vegas Harry Reid Intl

Wed 4/15

4:35 pm-11:44 pm

1 stop5h 09m

$254

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Tue 3/10

6:30 pm-11:44 pm

1 stop5h 14m

Dallas/Fort Worth

Fri 3/20

5:30 am-10:45 am

1 stop5h 15m

$254

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Sat 4/11

6:00 am-8:48 am

1 stop4h 48m

Phoenix Sky Harbor Intl

Wed 4/15

3:30 pm-11:44 pm

1 stop6h 14m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 54 results
1
2
3
...
6

Best time to book a flight from Sioux City to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Sioux City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sioux City to the United States

What is the cheapest month to book a flight from Sioux City to USA?

Currently, March is the cheapest month in which you can book a flight from Sioux City to USA (average of $38). Flying from Sioux City to USA in April is currently the most expensive (average of $81). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SUX to US?

Find hourly flight availability from Sioux City to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 11, 2026.

When flying from Sioux City to USA, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated February 11, 2026.
Read reviews from past customers who have flown United Airlines from Sioux City to the United States. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,269 reviews

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,269 reviews
United Airlines
7.4
Good
9,269 reviews

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Sioux City to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sioux City to United States?

    If you book a flight to United States from Sioux City, you will be flying from Sioux Gateway, which is the city’s only airport. Sioux City Sioux Gateway (SUX) is located 7.0 mi from the center of Sioux City.

  • How long is the flight from Sioux City to USA?

    There are many flights that can get you from Sioux City to USA in 1h 47m. Fly via United Airlines to get the fastest option. The distance from Sioux City to USA is about 435 mi. Generally, flights for this route are nonstop.

  • What are the most popular routes from Sioux City to USA?

    The most popular flight routes from Sioux City to USA are Sioux City Sioux Gateway - Phoenix Sky Harbor Intl, Sioux City Sioux Gateway - Las Vegas Harry Reid Intl and Sioux City Sioux Gateway - Denver Intl.

  • Can I find deals for flights from Sioux City to USA that include hotel bookings?

    Yes. In addition to deals on Sioux City to USA flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sioux City to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux City to USA.

  • Can I find deals for business class flights from Sioux City to USA?

    Yes. Cheapflights offers flight deals from Sioux City to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sioux City to USA?

    Currently, March is the cheapest month in which you can book a flight from Sioux City to USA (average of $38). Flying from Sioux City to USA in April is currently the most expensive (average of $81). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sioux City to USA

See prices for flight routes from nearby airports that may be better suited for you.
Omaha to Sky Harbor Intl flights
Cedar Rapids to Denver flights
Omaha to Las Vegas flights
Des Moines to Sky Harbor Intl flights
Des Moines to Las Vegas flights
Des Moines to Denver flights
Omaha to Orlando flights
Cedar Rapids to Sky Harbor Intl flights
Des Moines to Orlando flights
Cedar Rapids to Orlando flights
Moline to Orlando flights
Cedar Rapids to Las Vegas flights
Omaha to Atlanta flights
Des Moines to Dallas/Fort Worth flights
Moline to Cancún flights
Omaha to Denver flights
Omaha to Cancún flights
Omaha to Hobby flights
Omaha to Los Angeles flights
Cedar Rapids to Cancún flights
Moline to Tampa flights
Omaha to Dallas/Fort Worth flights
Omaha to LaGuardia flights
Omaha to O'Hare Intl flights
Omaha to Reagan-National flights
Cedar Rapids to Tampa flights
Des Moines to LaGuardia flights
Cedar Rapids to Fort Myers flights
Omaha to Seattle flights
Omaha to John F Kennedy Intl flights
Omaha to San Francisco flights
Cedar Rapids to Sarasota flights
Des Moines to Cancún flights
Des Moines to Los Angeles flights
Cedar Rapids to Dallas/Fort Worth flights
Omaha to Miami flights
Des Moines to John F Kennedy Intl flights
Omaha to Dulles Intl flights
Des Moines to Seattle flights
Omaha to George Bush Intcntl flights
Moline to Dallas/Fort Worth flights
Des Moines to Tampa flights
Omaha to Newark flights
Des Moines to O'Hare Intl flights
Cedar Rapids to John F Kennedy Intl flights
Moline to Cozumel flights
Omaha to Nashville flights
Des Moines to Miami flights
Des Moines to Newark flights
Moline to Fort Myers flights

Top airline flying from Sioux City to USA

Discover the top airline that operate flights from Sioux City to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$214Average$440FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.