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Sioux City

$166+ Cheap flights from Sioux City

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — DEN
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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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 diciembre 12, 2025.

Cheapest round-trip flight

$222

Cheapest airline

United Airlines

Good round-trip deal

$277 or less

Good one-way deal

$104 or less
The cheapest round-trip flight from Sioux City Sioux Gateway is currently to Denver Intl.
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On average, United Airlines currently has the cheapest one-way flight from Sioux City Sioux Gateway (avg. price of $259).
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Price to beat on a round-trip flight from Sioux City Sioux Gateway.
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Price to beat on a one-way flight from Sioux City Sioux Gateway.
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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 diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
vie. 4/1012:45 pmSUX - ORD
Nonstop1h 55mUnited Airlines
dom. 4/123:35 pmORD - SUX
Nonstop1h 57mUnited Airlines
Deal found 12/10$204
This United Airlines deal was found by Cheapflights users on 12/10. 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.
vie. 1/96:43 pmSUX - DEN
Nonstop1h 57mUnited Airlines
dom. 1/118:05 amDEN - SUX
Nonstop1h 50mUnited Airlines
Deal found 12/10$214
This United Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 1/2212:45 pmSUX - ATL
1 stop7h 30mUnited Airlines
dom. 1/254:20 pmATL - SUX
1 stop8h 27mUnited Airlines
Deal found 12/10$234
This United Airlines deal was found by Cheapflights users on 12/9. 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.
jue. 1/2212:45 pmSUX - ORD
Nonstop1h 55mUnited Airlines
lun. 1/263:35 pmORD - SUX
Nonstop1h 53mUnited Airlines
Deal found 12/9$244
This United Airlines deal was found by Cheapflights users on 12/10. 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.
mié. 2/116:00 amSUX - DEN
Nonstop1h 57mUnited Airlines
dom. 2/158:05 amDEN - SUX
Nonstop1h 40mUnited Airlines
Deal found 12/10$254
This United Airlines deal was found by Cheapflights users on 12/11. 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.
jue. 1/16:54 pmSUX - DEN
Nonstop1h 57mUnited Airlines
dom. 1/43:35 pmDEN - SUX
Nonstop1h 38mUnited Airlines
Deal found 12/11$255
This United Airlines deal was found by Cheapflights users on 12/11. 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.
mar. 12/306:54 pmSUX - DEN
Nonstop1h 57mUnited Airlines
jue. 1/13:35 pmDEN - SUX
Nonstop1h 38mUnited Airlines
Deal found 12/11$262
This United Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 1/86:00 amSUX - LAS
1 stop6h 45mUnited Airlines
jue. 1/154:33 pmLAS - SUX
1 stop5h 14mUnited Airlines
Deal found 12/10$264
This United Airlines deal was found by Cheapflights users on 12/9. 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.
sáb. 2/141:00 pmSUX - ORD
Nonstop1h 47mUnited Airlines
mié. 2/183:50 pmORD - SUX
Nonstop1h 51mUnited Airlines
Deal found 12/9$265
This United Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/256:54 pmSUX - LAX
1 stop6h 01mUnited Airlines
lun. 12/292:15 pmLAX - SUX
1 stop7h 00mUnited Airlines
Deal found 12/10$274
This United Airlines deal was found by Cheapflights users on 12/11. 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.
vie. 4/1712:45 pmSUX - MCO
1 stop8h 10mUnited Airlines
lun. 4/2011:52 amMCO - SUX
2 stops12h 50mUnited Airlines
Deal found 12/11$279
This United Airlines deal was found by Cheapflights users on 12/9. 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.
jue. 12/257:50 amSUX - ATL
2 stops12h 55mUnited Airlines
lun. 12/296:47 pmATL - SUX
1 stop5h 28mUnited Airlines
Deal found 12/9$293

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 diciembre 12, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Denver

Route

Depart

Return

Price

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

vie. 4/10

12:45 pm-2:40 pm

Nonstop1h 55m

Chicago O'Hare Intl

dom. 4/12

3:35 pm-5:32 pm

Nonstop1h 57m

$204

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

vie. 1/16

6:43 pm-7:40 pm

Nonstop1h 57m

Denver Intl

lun. 1/19

8:05 am-10:55 am

Nonstop1h 50m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

vie. 1/9

6:43 pm-7:40 pm

Nonstop1h 57m

Denver Intl

dom. 1/11

8:05 am-10:55 am

Nonstop1h 50m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

vie. 3/13

6:10 am-7:04 am

Nonstop1h 54m

Denver Intl

dom. 3/15

8:05 am-10:45 am

Nonstop1h 40m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

jue. 1/15

6:43 pm-7:40 pm

Nonstop1h 57m

Denver Intl

lun. 1/19

8:05 am-10:55 am

Nonstop1h 50m

$214

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

vie. 5/15

6:54 pm-7:51 pm

Nonstop1h 57m

Denver Intl

mar. 5/19

8:05 am-10:39 am

Nonstop1h 34m

$214

Sioux CityAtlanta

SUX - ATL

SUXATL

Sioux City Sioux Gateway

jue. 1/22

12:45 pm-9:15 pm

1 stop7h 30m

Atlanta Hartsfield-Jackson

dom. 1/25

4:20 pm-11:47 pm

1 stop8h 27m

$234

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

vie. 4/3

6:30 pm-7:27 pm

Nonstop1h 57m

Denver Intl

mar. 4/7

8:05 am-10:39 am

Nonstop1h 34m

$254

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

vie. 2/27

6:30 pm-7:24 pm

Nonstop1h 54m

Denver Intl

lun. 3/2

8:05 am-10:45 am

Nonstop1h 40m

$254

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

vie. 2/13

6:30 pm-7:24 pm

Nonstop1h 54m

Denver Intl

dom. 2/15

8:05 am-10:45 am

Nonstop1h 40m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 36 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 December
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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, eDreams has been found to have the most accurate pricing. Users can find the same prices on deals on Cheapflights as eDreams 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 eDreams the highest out of those offering flight deals from Sioux City. eDreams 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, February is the cheapest month in which you can book a flight from Sioux City (average of $37). Flying from Sioux City in June will prove the most costly (average of $78). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Sioux City?

For flights departing from Sioux City check dates and pricing for the following: United Airlines. This airline departs to the following popular destinations: Denver.

United Airlines
United Airlines
From $194

What is the cheapest place to fly to from Sioux City?

The cheapest city to fly to from Sioux City is Chicago, with prices starting at $104. Explore other affordable destinations below.

Chicago
Chicago
From $104
Denver Intl
Denver Intl
From $195

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 diciembre 12, 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.
United Airlines
7.4
Good
9,095 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

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 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

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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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 diciembre 12, 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, San Diego. Throughout the year, Denver, San Diego, Chicago 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 $104 to Chicago O'Hare Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $361 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 $1,588

  • 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?

    February 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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