Sioux City

$204+ Cheap flights from Sioux City

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — ORD
Nov 27 — Dec 41
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What to know about flights from Sioux City

Discover essential information about flights departing from Sioux City, including flight schedules, destinations, airlines operating at the Sioux City airport, and any specific guidelines or requirements for travelers. Please note that the information is based on the most recent updates available. Data last updated October 28, 2025.

Cheapest round-trip flight

$214

Cheapest airline

United Airlines

Good round-trip deal

$270 or less

Good one-way deal

$228 or less
The cheapest round-trip flight from Sioux City Sioux Gateway is currently to Denver Intl.
On average, United Airlines currently has the cheapest one-way flight from Sioux City Sioux Gateway (avg. price of $263).
Price to beat on a round-trip flight from Sioux City Sioux Gateway.
Price to beat on a one-way flight from Sioux City Sioux Gateway.

Find flights from Sioux City

Cheapest flights from Sioux City
Explore the most affordable flight options available from Sioux City. Find the lowest fares based on data from user searches, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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 11/217:45 amSUX - ORD
Nonstop1h 47mUnited Airlines
Sun 11/239:10 pmORD - SUX
Nonstop1h 49mUnited Airlines
Deal found 10/27$204
This United Airlines deal was found by Cheapflights users on 10/27. 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
Sun 12/73:35 pmDEN - SUX
Nonstop1h 35mUnited Airlines
Deal found 10/27$255
This United Airlines deal was found by Cheapflights users on 10/28. 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 3/66:31 pmSUX - DEN
Nonstop1h 57mUnited Airlines
Mon 3/98:05 amDEN - SUX
Nonstop1h 34mUnited Airlines
Deal found 10/28$262
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/267:45 amSUX - ORD
Nonstop1h 47mUnited Airlines
Mon 12/19:10 pmORD - SUX
Nonstop1h 49mUnited Airlines
Deal found 10/27$265
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/117:45 amSUX - LAS
2 stops11h 17mUnited Airlines
Sat 11/159:46 amLAS - SUX
1 stop6h 22mUnited Airlines
Deal found 10/27$279
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/156:46 pmSUX - LAX
1 stop6h 06mUnited Airlines
Wed 11/198:40 amLAX - SUX
1 stop7h 28mUnited Airlines
Deal found 10/26$279
This United Airlines deal was found by Cheapflights users on 10/25. 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 3/66:31 pmSUX - DEN
Nonstop1h 57mUnited Airlines
Tue 3/108:05 amDEN - SUX
Nonstop1h 34mUnited Airlines
Deal found 10/25$302
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/117:45 amSUX - MCO
1 stop6h 06mUnited Airlines
Sat 11/159:47 amMCO - SUX
1 stop9h 21mUnited Airlines
Deal found 10/27$304
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/116:46 pmSUX - DEN
Nonstop1h 48mUnited Airlines
Sat 11/153:35 pmDEN - SUX
Nonstop1h 33mUnited Airlines
Deal found 10/27$310
This United Airlines deal was found by Cheapflights users on 10/26. 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 2/181:00 pmSUX - CLE
1 stop4h 46mUnited Airlines
Sat 2/218:02 amCLE - SUX
2 stops10h 39mUnited Airlines
Deal found 10/26$314
This United Airlines deal was found by Cheapflights users on 10/25. 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 - ORD
Nonstop1h 47mUnited Airlines
Sat 12/69:10 pmORD - SUX
Nonstop1h 49mUnited Airlines
Deal found 10/25$326
This United Airlines deal was found by Cheapflights users on 10/27. 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 3/31:00 pmSUX - LAX
1 stop7h 45mUnited Airlines
Sat 3/78:45 amLAX - SUX
1 stop6h 47mUnited Airlines
Deal found 10/27$334

Find flights from Sioux City within your budget

 
Find flights departing from Sioux City that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on October 28, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

O'Hare Intl

Route

Depart

Return

Price

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Fri 11/21

7:45 am-9:32 am

Nonstop1h 47m

Chicago O'Hare Intl

Sun 11/23

9:10 pm-10:59 pm

Nonstop1h 49m

$204

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Fri 4/24

12:45 pm-2:40 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sun 4/26

3:35 pm-5:32 pm

Nonstop1h 57m

$244

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Thu 12/4

6:52 pm-7:40 pm

Nonstop1h 48m

Denver Intl

Sun 12/7

3:35 pm-6:10 pm

Nonstop1h 35m

$255

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 3/6

6:31 pm-7:28 pm

Nonstop1h 57m

Denver Intl

Mon 3/9

8:05 am-10:39 am

Nonstop1h 34m

$262

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Tue 11/11

7:45 am-6:49 pm

2 stops13h 04m

Las Vegas Harry Reid Intl

Sat 11/15

9:46 am-10:59 pm

2 stops11h 13m

$289

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 3/6

6:31 pm-7:28 pm

Nonstop1h 57m

Denver Intl

Tue 3/10

8:05 am-10:39 am

Nonstop1h 34m

$302

Sioux CityOrlando

SUX - MCO

SUXMCO

Sioux City Sioux Gateway

Tue 11/11

7:45 am-7:57 pm

2 stops11h 12m

Orlando

Sat 11/15

9:47 am-6:08 pm

1 stop9h 21m

$309

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Tue 11/11

6:46 pm-7:34 pm

Nonstop1h 48m

Denver Intl

Sat 11/15

3:35 pm-6:08 pm

Nonstop1h 33m

$310

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 11/14

6:46 pm-7:34 pm

Nonstop1h 48m

Denver Intl

Sun 11/16

3:35 pm-6:08 pm

Nonstop1h 33m

$310

Sioux CityCleveland

SUX - CLE

SUXCLE

Sioux City Sioux Gateway

Wed 2/18

1:00 pm-6:46 pm

1 stop4h 46m

Cleveland Hopkins Intl

Sat 2/21

6:25 am-5:41 pm

2 stops12h 16m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 35 results
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Compare providers for flights from Sioux City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux City in October
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: Among all the travel providers offering deals on flights from Sioux City, FlightHub has been found to have the most accurate pricing. Users can find the same prices on deals on Cheapflights as FlightHub about >95% of the time. This is based on searches for flights from Sioux City made on Cheapflights over the past month and is updated monthly.
  • Most trusted provider: In terms of trustworthiness, Cheapflights users rate Expedia the highest out of those offering flight deals from Sioux City. Expedia has a user feedback rating of 3 out of 3 stars (3 being the best) and has received the most positive sentiment from Cheapflights users searching for flights from Sioux City. This info is gathered from Cheapflights searches over the past month.

Best time to book a flight from Sioux City

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

Travel insights for flights from Sioux City

Get recent, data-driven insights about flights from Sioux City including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Sioux City (average of $102). Flying from Sioux City in June will prove the most costly (average of $224). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Sioux City

Read reviews and ratings of airlines operating flights from Sioux City. Gain insights into the quality of service, in-flight amenities, customer experiences, and overall satisfaction to choose the best airline for your Sioux City travel. Please note that the reviews are sourced from user searches and were last updated on October 28, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches.
Peruse reviews from past customers who have flown United Airlines from Sioux City to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

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

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

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

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Related info for your journey

Access useful and relevant information related to your journey from Sioux City. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated October 28, 2025.
  • What are the most popular destinations to fly to from Sioux City?

    This month, the top selected destinations from Sioux City are Denver, Chicago O'Hare Intl Airport, Orlando. Throughout the year, Denver, Chicago O'Hare Intl Airport, San Diego are some of the top choices made by users flying from Sioux City.

  • What is the cheapest flight from Sioux City to anywhere?

    Users have flown out of Sioux City for as low as $165 to Chicago O'Hare Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $343 to fly from Sioux City.

  • What is the cheapest premium economy flight from Sioux City?

    Options for some of the cheapest premium economy flights from Sioux City we have found on Cheapflights are as follows:
    Fly from Sioux City Sioux Gateway to Chicago O'Hare Intl Airport starting at $2,185

  • What is the cheapest first class flight from Sioux City?

    If you’re looking for a cheap first-class flight from Sioux City, consider Denver. Prices start at $773 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Sioux City?

    September is currently the cheapest month to fly from Sioux City. At this moment in time June is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

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