HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
USA

$123+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — LAX
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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.

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 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/6. 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 12/36:52 pmSUX - DEN
Nonstop1h 48mUnited Airlines
Tue 12/93:35 pmDEN - SUX
Nonstop1h 35mUnited Airlines
Deal found 11/6$214
This United Airlines deal was found by Cheapflights users on 11/4. 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 - PDX
2 stops12h 51mUnited Airlines
Sun 12/78:30 amPDX - SUX
1 stop7h 40mUnited Airlines
Deal found 11/4$259
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/126:52 pmSUX - DEN
Nonstop1h 48mUnited Airlines
Sun 12/143:35 pmDEN - SUX
Nonstop1h 35mUnited Airlines
Deal found 11/4$262
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/47:50 amSUX - CLE
1 stop6h 24mUnited Airlines
Mon 12/85:50 pmCLE - SUX
1 stop6h 09mUnited Airlines
Deal found 11/5$304
This United Airlines deal was found by Cheapflights users on 11/5. 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 - DEN
Nonstop1h 48mUnited Airlines
Tue 11/253:35 pmDEN - SUX
Nonstop1h 33mUnited Airlines
Deal found 11/5$310
This United Airlines deal was found by Cheapflights users on 11/6. 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
Sun 12/76:00 amLAS - SUX
2 stops10h 10mUnited Airlines
Deal found 11/6$310
This United Airlines deal was found by Cheapflights users on 11/6. 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 - LAS
1 stop5h 12mUnited Airlines
Tue 11/259:46 amLAS - SUX
1 stop6h 22mUnited Airlines
Deal found 11/6$315
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/206:46 pmSUX - DEN
Nonstop1h 48mUnited Airlines
Mon 11/243:35 pmDEN - SUX
Nonstop1h 33mUnited Airlines
Deal found 11/5$350
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/286:46 pmSUX - LAS
1 stop5h 12mUnited Airlines
Mon 12/112:40 pmLAS - SUX
1 stop8h 19mUnited Airlines
Deal found 11/6$351
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/236:54 pmSUX - DEN
Nonstop1h 57mUnited Airlines
Sun 12/283:35 pmDEN - SUX
Nonstop1h 38mUnited Airlines
Deal found 11/5$362
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/26:52 pmSUX - DEN
Nonstop1h 48mUnited Airlines
Mon 12/86:00 amDEN - SUX
1 stop15h 59mUnited Airlines
Deal found 11/6$371
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/26:52 pmSUX - DFW
1 stop22h 07mUnited Airlines
Tue 12/94:28 pmDFW - SUX
1 stop6h 31mUnited Airlines
Deal found 11/4$375

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 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$214
(United Airlines)

One-way from

$123
(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.
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 November 6, 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 CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Wed 12/3

6:52 pm-7:40 pm

Nonstop1h 48m

Denver Intl

Sun 12/7

3:35 pm-6:10 pm

Nonstop1h 35m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Wed 12/3

6:52 pm-7:40 pm

Nonstop1h 48m

Denver Intl

Tue 12/9

3:35 pm-6:10 pm

Nonstop1h 35m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Tue 12/2

6:52 pm-7:40 pm

Nonstop1h 48m

Denver Intl

Mon 12/8

3:35 pm-6:10 pm

Nonstop1h 35m

$214

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Wed 1/21

6:00 am-11:12 am

1 stop5h 12m

Dallas/Fort Worth

Wed 1/28

10:25 am-5:28 pm

1 stop7h 03m

$234

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Wed 1/21

12:45 pm-10:59 pm

2 stops11h 14m

Phoenix Sky Harbor Intl

Sun 1/25

11:35 am-11:47 pm

2 stops11h 12m

$259

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Thu 12/4

7:50 am-6:41 pm

2 stops12h 51m

Portland

Sun 12/7

8:30 am-6:10 pm

1 stop7h 40m

$259

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Fri 12/5

7:50 am-6:41 pm

2 stops12h 51m

Portland

Sun 12/7

8:30 am-6:10 pm

1 stop7h 40m

$259

Sioux CityOrlando

SUX - MCO

SUXMCO

Sioux City Sioux Gateway

Sat 2/21

1:00 pm-7:31 pm

1 stop5h 31m

Orlando

Wed 2/25

10:58 am-5:41 pm

1 stop7h 43m

$289

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Fri 1/16

6:00 am-11:12 am

1 stop5h 12m

Dallas/Fort Worth

Sun 1/18

10:25 am-5:28 pm

1 stop7h 03m

$293

Sioux CitySeattle

SUX - SEA

SUXSEA

Sioux City Sioux Gateway

Tue 3/3

6:00 am-9:49 am

1 stop5h 49m

Seattle/Tacoma Intl

Sat 3/7

7:00 am-5:32 pm

1 stop8h 32m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 47 results
1
2
3
...
5

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 $35). 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 6, 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 6, 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
9,007 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

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
9,007 reviews
United Airlines
7.4
Good
9,007 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

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 48m. Fly via United Airlines to get the fastest option. The distance from Sioux City to USA is about 465 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 - Denver Intl, Sioux City Sioux Gateway - Chicago O'Hare Intl and Sioux City Sioux Gateway - Dallas/Fort Worth.

  • 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 $35). 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

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.
Des Moines to Sky Harbor Intl flights
Des Moines to LaGuardia flights
Cedar Rapids to Denver flights
Omaha to Sky Harbor Intl flights
Des Moines to Denver flights
Omaha to Orlando flights
Omaha to Denver flights
Des Moines to Dallas/Fort Worth flights
Des Moines to John F Kennedy Intl flights
Omaha to LaGuardia flights
Omaha to Las Vegas flights
Omaha to Cancún flights
Des Moines to Cancún flights
Des Moines to Las Vegas flights
Omaha to Los Angeles flights
Omaha to O'Hare Intl flights
Cedar Rapids to Orlando flights
Cedar Rapids to Sky Harbor Intl flights
Omaha to Dallas/Fort Worth flights
Omaha to John F Kennedy Intl flights
Des Moines to Miami flights
Cedar Rapids to Dallas/Fort Worth flights
Des Moines to Orlando flights
Cedar Rapids to Las Vegas flights
Des Moines to Reagan-National flights
Omaha to Newark flights
Des Moines to Hobby flights
Omaha to Seattle flights
Des Moines to Los Angeles flights
Omaha to Miami flights
Cedar Rapids to Nashville flights
Omaha to Cozumel flights
Des Moines to O'Hare Intl flights
Des Moines to Cozumel flights
Cedar Rapids to Cancún flights
Moline to Orlando flights
Omaha to Boston flights
Omaha to Mexico City flights
Omaha to Atlanta flights
Des Moines to Seattle flights
Cedar Rapids to Tampa flights
Omaha to Hobby flights
Moline to Denver flights
Cedar Rapids to Seattle flights
Des Moines to Dulles Intl flights
Des Moines to George Bush Intcntl flights
Des Moines to Atlanta flights
Omaha to Midway flights
Des Moines to San Diego flights
Des Moines to Tampa 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$194Average$427FlexibilityNo 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.