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$178+ Cheap flights from Sioux City (SUX) to North America

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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — LAX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Sioux City to North America

Keep the following information in mind while searching for Sioux City to North America flight deals. Data was last updated September 17, 2025.

Round-trip from

$204
(United Airlines)

One-way from

$178
(United Airlines)

Good round-trip deal

$268 or less

Good one-way deal

$257 or less
From Sioux City Sioux Gateway to North America
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One-way flight from Sioux City Sioux Gateway to North America
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Price to beat on a round-trip flight from Sioux City Sioux Gateway to North America.
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Price to beat on a one-way flight from Sioux City Sioux Gateway to North America.
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Find flight deals from Sioux City to North America

Cheapest flights from Sioux City to North America
Explore the most affordable flight options available from Sioux City to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 11/146:46 pmSUX - DEN
Nonstop1h 48mUnited Airlines
Mon 11/173:35 pmDEN - SUX
Nonstop1h 33mUnited Airlines
Deal found 9/15$214
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/246:54 pmSUX - DEN
Nonstop1h 57mUnited Airlines
Tue 12/303:35 pmDEN - SUX
Nonstop1h 38mUnited Airlines
Deal found 9/15$254
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/15$262
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/57:50 amSUX - ORD
Nonstop1h 51mUnited Airlines
Tue 10/289:10 pmORD - SUX
Nonstop1h 49mUnited Airlines
Deal found 9/16$265
This United Airlines deal was found by Cheapflights users on 9/15. 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 - DEN
Nonstop1h 57mUnited Airlines
Sun 12/283:35 pmDEN - SUX
Nonstop1h 38mUnited Airlines
Deal found 9/15$302
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/16:51 pmSUX - SEA
1 stop6h 38mUnited Airlines
Sat 10/41:57 pmSEA - SUX
1 stop7h 03mUnited Airlines
Deal found 9/16$304
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/246:51 pmSUX - DFW
1 stop4h 40mUnited Airlines
Mon 10/271:46 pmDFW - SUX
1 stop4h 22mUnited Airlines
Deal found 9/17$304
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/306:51 pmSUX - DEN
Nonstop1h 49mUnited Airlines
Sat 10/43:40 pmDEN - SUX
Nonstop1h 34mUnited Airlines
Deal found 9/15$310
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/256:54 pmSUX - DEN
Nonstop1h 57mUnited Airlines
Tue 12/303:35 pmDEN - SUX
Nonstop1h 38mUnited Airlines
Deal found 9/15$312
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/116:51 pmSUX - LAS
1 stop4h 56mUnited Airlines
Tue 10/1412:00 pmLAS - SUX
1 stop4h 14mUnited Airlines
Deal found 9/17$324
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/77:45 amSUX - ORD
Nonstop1h 47mUnited Airlines
Sun 11/99:10 pmORD - SUX
Nonstop1h 49mUnited Airlines
Deal found 9/14$326
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/26:51 pmSUX - SEA
1 stop6h 38mUnited Airlines
Mon 10/61:57 pmSEA - SUX
1 stop7h 03mUnited Airlines
Deal found 9/16$332

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to North America 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 September 17, 2025.
Use the filters below to find and compare flights from Sioux City to North America that are best for you.

Fly from

Sioux City

Fly to

North America

Route

Depart

Return

Price

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Tue 12/9

6:52 pm-7:40 pm

Nonstop1h 48m

Denver Intl

Tue 12/16

3:35 pm-6:10 pm

Nonstop1h 35m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 11/14

6:46 pm-7:34 pm

Nonstop1h 48m

Denver Intl

Mon 11/17

3:35 pm-6:08 pm

Nonstop1h 33m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Thu 11/13

6:46 pm-7:34 pm

Nonstop1h 48m

Denver Intl

Mon 11/17

3:35 pm-6:08 pm

Nonstop1h 33m

$262

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Sun 10/5

7:50 am-9:41 am

Nonstop1h 51m

Chicago O'Hare Intl

Tue 10/28

9:10 pm-10:59 pm

Nonstop1h 49m

$265

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Sat 2/28

12:45 pm-2:40 pm

Nonstop1h 55m

Chicago O'Hare Intl

Wed 3/4

3:35 pm-5:32 pm

Nonstop1h 57m

$265

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Sat 10/4

6:51 pm-7:40 pm

Nonstop1h 49m

Denver Intl

Sat 10/11

3:40 pm-6:14 pm

Nonstop1h 34m

$302

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Sat 10/25

7:50 am-3:22 pm

1 stop7h 32m

Dallas/Fort Worth

Mon 10/27

11:05 am-6:08 pm

1 stop7h 03m

$304

Sioux CityPittsburgh

SUX - PIT

SUXPIT

Sioux City Sioux Gateway

Tue 3/3

12:45 pm-8:51 pm

1 stop7h 06m

Pittsburgh

Sat 3/7

10:50 am-5:32 pm

1 stop7h 42m

$304

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Wed 10/1

6:51 pm-7:40 pm

Nonstop1h 49m

Denver Intl

Sun 10/5

3:40 pm-6:14 pm

Nonstop1h 34m

$310

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Tue 9/30

6:51 pm-7:40 pm

Nonstop1h 49m

Denver Intl

Sat 10/4

3:40 pm-6:14 pm

Nonstop1h 34m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 38 results
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Best time to book a flight from Sioux City to North America

Have a flexible travel schedule? Discover the best time to fly to North America 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 North America

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

Currently, January is the cheapest month in which you can book a flight from Sioux City to North America (average of $246). Flying from Sioux City to North America in March is currently the most expensive (average of $325). 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 NA?

Find hourly flight availability from Sioux City to North America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Sioux City to North America, 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 North America

Get insights into the airlines that provide service to North America. 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 North America. Reviews last updated September 17, 2025.
See what other customers who have flown with United Airlines from Sioux City to North America have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from Sioux City to North America. 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 North America?

    Most people fly from Sioux City Sioux Gateway (SUX) if they book a flight from Sioux City to North America. Sioux City Sioux Gateway is conveniently located just 7.0 mi from Sioux City’s city center.

  • How long is the flight from Sioux City to North America?

    United Airlines can get you from Sioux City to North America in just under 1h 48m. Your travel time will be generally consistent. Airlines will cover a distance of 465 mi. Most flights are nonstop.

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

    The most popular flight routes from Sioux City to North America are Sioux City Sioux Gateway - Chicago O'Hare Intl, Sioux City Sioux Gateway - Denver Intl and Sioux City Sioux Gateway - Dallas/Fort Worth.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sioux City to North America 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 North America?

    Currently, January is the cheapest month in which you can book a flight from Sioux City to North America (average of $246). Flying from Sioux City to North America in March is currently the most expensive (average of $325). 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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Alternative routes for Sioux City to North America

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Top airline flying from Sioux City to North America

Discover the top airline that operate flights from Sioux City to North America. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$194Average$420FlexibilityNo cancel feeOn-time69%

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