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Sioux City

$153+ Cheap flights from North America to Sioux City (SUX)

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SUX
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
1 adult, Economy
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Cheap flight deals from North America to Sioux City

Keep the following information in mind while searching for North America to Sioux City flight deals. Data was last updated August 11, 2025.

Round-trip from

$254
(United Airlines)

One-way from

$153
(United Airlines)
From North America to Sioux City Sioux Gateway
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One-way flight from North America to Sioux City Sioux Gateway
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Find flight deals from North America to Sioux City

Cheapest flights from North America to Sioux City
Explore the most affordable flight options available from North America to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2025.

This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 12/99:10 pmORD - SUX
Nonstop1h 49mUnited Airlines
Sun 12/217:45 amSUX - ORD
Nonstop1h 44mUnited Airlines
Deal found 8/10$244
This United Airlines deal was found by Cheapflights users on 8/9. 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 10/93:40 pmDEN - SUX
Nonstop1h 34mUnited Airlines
Sun 10/126:51 pmSUX - DEN
Nonstop1h 49mUnited Airlines
Deal found 8/9$254
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Mon 8/253:40 pmDEN - SUX
Nonstop1h 33mUnited Airlines
Fri 8/296:48 pmSUX - DEN
Nonstop1h 47mUnited Airlines
Deal found 8/9$310
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Mon 8/183:40 pmDEN - SUX
Nonstop1h 38mUnited Airlines
Tue 9/96:48 pmSUX - DEN
Nonstop1h 47mUnited Airlines
Deal found 8/9$312
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Fri 10/109:00 amLAX - SUX
1 stop7h 14mUnited Airlines
Sun 10/126:51 pmSUX - LAX
1 stop6h 09mUnited Airlines
Deal found 8/8$319
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Sun 8/249:05 pmORD - SUX
Nonstop1h 52mUnited Airlines
Thu 8/287:49 amSUX - ORD
Nonstop1h 51mUnited Airlines
Deal found 8/9$326
This United Airlines deal was found by Cheapflights users on 8/11. 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 12/122:18 pmLAX - SUX
1 stop6h 41mUnited Airlines
Sun 12/146:52 pmSUX - LAX
1 stop6h 03mUnited Airlines
Deal found 8/11$333
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/229:05 pmORD - SUX
Nonstop1h 52mUnited Airlines
Mon 8/257:49 amSUX - ORD
Nonstop1h 51mUnited Airlines
Deal found 8/10$340
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 9/253:40 pmDEN - SUX
Nonstop1h 34mUnited Airlines
Mon 9/296:51 pmSUX - DEN
Nonstop1h 49mUnited Airlines
Deal found 8/8$350
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/99:05 pmORD - SUX
Nonstop1h 52mUnited Airlines
Tue 9/167:49 amSUX - ORD
Nonstop1h 51mUnited Airlines
Deal found 8/10$355
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/53:40 pmDEN - SUX
Nonstop1h 33mUnited Airlines
Sun 9/77:49 amSUX - DEN
1 stop23h 52mUnited Airlines
Deal found 8/9$357
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/55:30 pmCLT - SUX
1 stop6h 27mUnited Airlines
Mon 9/87:49 amSUX - CLT
2 stops10h 04mUnited Airlines
Deal found 8/10$378

Cheapflights Fare Finder

 
Customize your flight search to find flights from North America to Sioux City 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 August 11, 2025.
Use the filters below to find and compare flights from North America to Sioux City that are best for you.

Fly from

North America

Fly to

Sioux City

Route

Depart

Return

Price

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Tue 12/9

9:10 pm-10:59 pm

Nonstop1h 49m

Sioux City Sioux Gateway

Sun 12/21

7:45 am-9:29 am

Nonstop1h 44m

$244

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Thu 10/9

3:40 pm-6:14 pm

Nonstop1h 34m

Sioux City Sioux Gateway

Sun 10/12

6:51 pm-7:40 pm

Nonstop1h 49m

$254

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Mon 8/25

3:40 pm-6:13 pm

Nonstop1h 33m

Sioux City Sioux Gateway

Fri 8/29

6:48 pm-7:35 pm

Nonstop1h 47m

$310

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Mon 8/18

3:40 pm-6:18 pm

Nonstop1h 38m

Sioux City Sioux Gateway

Tue 9/9

6:48 pm-7:35 pm

Nonstop1h 47m

$312

Los AngelesSioux City

LAX - SUX

LAXSUX

Los Angeles

Fri 10/10

9:00 am-6:14 pm

1 stop7h 14m

Sioux City Sioux Gateway

Sun 10/12

6:51 pm-11:00 pm

1 stop6h 09m

$319

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Sun 8/24

9:05 pm-10:57 pm

Nonstop1h 52m

Sioux City Sioux Gateway

Thu 8/28

7:49 am-9:40 am

Nonstop1h 51m

$326

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Fri 8/22

9:05 pm-10:57 pm

Nonstop1h 52m

Sioux City Sioux Gateway

Mon 8/25

7:49 am-9:40 am

Nonstop1h 51m

$340

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Thu 9/25

3:40 pm-6:14 pm

Nonstop1h 34m

Sioux City Sioux Gateway

Mon 9/29

6:51 pm-7:40 pm

Nonstop1h 49m

$350

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Tue 9/9

9:05 pm-10:57 pm

Nonstop1h 52m

Sioux City Sioux Gateway

Tue 9/16

7:49 am-9:40 am

Nonstop1h 51m

$355

DenverSioux City

DEN - SUX

DENSUX

Denver Intl

Fri 9/5

3:40 pm-6:13 pm

Nonstop1h 33m

Sioux City Sioux Gateway

Sun 9/7

7:49 am-6:41 am

1 stop23h 52m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 39 results
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Best time to book a flight from North America to Sioux City

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

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

Currently, October is the cheapest month in which you can book a flight from North America to Sioux City (average of $318). Flying from North America to Sioux City in March is currently the most expensive (average of $446). 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 NA to SUX?

Find hourly flight availability from North America to Sioux City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 11, 2025.

When flying from North America to Sioux City, 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 Sioux City

Get insights into the airlines that provide service to Sioux City. 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 Sioux City. Reviews last updated August 11, 2025.
See what other customers who have flown with United Airlines from North America to Sioux City 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
8,920 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.0

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,920 reviews
United Airlines
7.4
Good
8,920 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.0

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

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

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

    Most travelers choose Denver Intl - Sioux City Sioux Gateway, Atlanta Hartsfield-Jackson - Sioux City Sioux Gateway or Chicago O'Hare Intl - Sioux City Sioux Gateway when deciding on the best route from North America to Sioux City.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from North America to Sioux City (average of $318). Flying from North America to Sioux City in March is currently the most expensive (average of $446). 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

Traveling to a place near Sioux City?

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Top airline flying from North America to Sioux City

Discover the top airline that operate flights from North America to Sioux City. 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 August 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$214Average$425FlexibilityNo cancel feeOn-time69%

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