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$104+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — LAX
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Find 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 November 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/18. 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 12/276:54 pmSUX - DEN
Nonstop1h 57mUnited Airlines
Wed 12/318:15 amDEN - SUX
Nonstop1h 50mUnited Airlines
Deal found 11/18$214
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/226:54 pmSUX - LAS
1 stop5h 04mUnited Airlines
Mon 1/52:26 pmLAS - SUX
1 stop6h 49mUnited Airlines
Deal found 11/18$244
This United Airlines deal was found by Cheapflights users on 11/17. 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 12/196:54 pmSUX - DEN
Nonstop1h 57mUnited Airlines
Mon 12/223:35 pmDEN - SUX
Nonstop1h 38mUnited Airlines
Deal found 11/17$275
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/306:54 pmSUX - DEN
Nonstop1h 57mUnited Airlines
Sat 1/33:35 pmDEN - SUX
Nonstop1h 38mUnited Airlines
Deal found 11/20$288
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/46:52 pmSUX - DEN
Nonstop1h 48mUnited Airlines
Mon 12/83:35 pmDEN - SUX
Nonstop1h 35mUnited Airlines
Deal found 11/19$310
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/57:50 amSUX - DCA
1 stop5h 23mUnited Airlines
Tue 12/95:00 pmDCA - SUX
1 stop6h 59mUnited Airlines
Deal found 11/20$324
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/46:52 pmSUX - LAX
1 stop6h 03mUnited Airlines
Mon 12/812:40 pmLAX - SUX
1 stop8h 19mUnited Airlines
Deal found 11/19$324
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Wed 12/37:50 amSUX - ORD
Nonstop1h 47mUnited Airlines
Mon 12/89:10 pmORD - SUX
Nonstop1h 49mUnited Airlines
Deal found 11/18$326
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/46:52 pmSUX - LAS
1 stop5h 07mUnited Airlines
Mon 12/86:00 amLAS - SUX
2 stops10h 10mUnited Airlines
Deal found 11/19$329
This United Airlines deal was found by Cheapflights users on 11/18. 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 11/226:46 pmSUX - ORD
2 stops23h 45mUnited Airlines
Sun 11/239:10 pmORD - SUX
Nonstop1h 49mUnited Airlines
Deal found 11/18$334
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Sun 12/76:52 pmSUX - DEN
Nonstop1h 48mUnited Airlines
Wed 12/103:35 pmDEN - SUX
Nonstop1h 35mUnited Airlines
Deal found 11/19$350
This United Airlines deal was found by Cheapflights users on 11/19. 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 11/216:46 pmSUX - SLC
1 stop4h 14mUnited Airlines
Sun 11/234:01 pmSLC - SUX
1 stop5h 58mUnited Airlines
Deal found 11/19$354

Cheap 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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$204
(United Airlines)

One-way from

$104
(United Airlines)

Good round-trip deal

$262 or less

Good one-way deal

$202 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.
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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 November 20, 2025.
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

Thu 4/23

12:45 pm-2:40 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sun 4/26

3:35 pm-5:32 pm

Nonstop1h 57m

$204

Sioux CityOrlando

SUX - MCO

SUXMCO

Sioux City Sioux Gateway

Thu 1/8

12:45 pm-12:46 am

2 stops11h 01m

Orlando

Thu 1/22

5:52 pm-11:47 pm

1 stop6h 55m

$209

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 1/9

6:00 am-6:57 am

Nonstop1h 57m

Denver Intl

Mon 1/12

8:05 am-10:55 am

Nonstop1h 50m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Thu 4/9

6:00 am-6:57 am

Nonstop1h 57m

Denver Intl

Mon 4/13

8:05 am-10:39 am

Nonstop1h 34m

$214

Sioux CityOrlando

SUX - MCO

SUXMCO

Sioux City Sioux Gateway

Fri 1/23

6:00 am-5:36 pm

2 stops10h 36m

Orlando

Fri 1/30

5:52 pm-11:47 pm

1 stop6h 55m

$259

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 CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Sat 4/18

12:45 pm-2:40 pm

Nonstop1h 55m

Chicago O'Hare Intl

Wed 4/22

3:35 pm-5:32 pm

Nonstop1h 57m

$265

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 12/19

6:54 pm-7:51 pm

Nonstop1h 57m

Denver Intl

Mon 12/22

3:35 pm-6:13 pm

Nonstop1h 38m

$275

Sioux CityOrlando

SUX - MCO

SUXMCO

Sioux City Sioux Gateway

Sat 1/24

12:45 pm-7:52 pm

1 stop6h 07m

Orlando

Wed 1/28

5:52 pm-11:47 pm

1 stop6h 55m

$284

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Tue 12/30

6:54 pm-7:51 pm

Nonstop1h 57m

Denver Intl

Sat 1/3

3:35 pm-6:13 pm

Nonstop1h 38m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 48 results
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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, February is the cheapest month in which you can book a flight from Sioux City to USA (average of $34). Flying from Sioux City to USA in June is currently the most expensive (average of $78). 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 November 20, 2025.

One of the essential ways to save on airfare from Sioux City to USA is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 27% on airfare.

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 November 20, 2025.
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
9,029 reviews

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,029 reviews
United Airlines
7.4
Good
9,029 reviews

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 55m. 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 - Chicago O'Hare Intl, Sioux City Sioux Gateway - Las Vegas Harry Reid Intl and Sioux City Sioux Gateway - Charleston.

  • 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, February is the cheapest month in which you can book a flight from Sioux City to USA (average of $34). Flying from Sioux City to USA in June is currently the most expensive (average of $78). 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

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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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$194Average$427FlexibilityNo cancel feeOn-time69%

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