HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — ORD
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 April 30, 2025.

Cheapest round-trip flight

$205

Cheapest airline

United Airlines

Good round-trip deal

$326 or less

Good one-way deal

$99 or less
The cheapest round-trip flight from Sioux City Sioux Gateway is currently to Denver Intl.
Search Deals
On average, United Airlines currently has the cheapest one-way flight from Sioux City Sioux Gateway (avg. price of $267).
Search Deals
Price to beat on a round-trip flight from Sioux City Sioux Gateway.
Search Deals
Price to beat on a one-way flight from Sioux City Sioux Gateway.
Search Deals

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 April 30, 2025.

Fri 6/276:53 pmSUX - DEN
Nonstop1h 43mUnited Airlines
Sun 6/293:40 pmDEN - SUX
Nonstop1h 38mUnited Airlines
Deal found 4/28$214
Thu 6/1210:10 amSUX - LAS
2 stops12h 42mUnited Airlines
Tue 6/172:26 pmLAS - SUX
1 stop6h 14mUnited Airlines
Deal found 4/28$249
Tue 5/133:26 pmSUX - DFW
1 stop5h 20mUnited Airlines
Sat 5/174:21 pmDFW - SUX
1 stop6h 09mUnited Airlines
Deal found 4/28$327
Tue 5/133:26 pmSUX - SEA
1 stop7h 36mUnited Airlines
Sat 5/175:15 amSEA - SUX
1 stop7h 13mUnited Airlines
Deal found 4/28$333
Wed 5/2110:10 amSUX - ORD
Nonstop1h 40mUnited Airlines
Sun 5/258:50 pmORD - SUX
Nonstop1h 50mUnited Airlines
Deal found 4/28$397
Sun 6/16:35 pmSUX - LAX
1 stop5h 58mUnited Airlines
Fri 6/611:35 pmLAX - SUX
2 stops15h 40mUnited Airlines
Deal found 4/29$402
Thu 5/296:35 pmSUX - SNA
1 stop5h 37mUnited Airlines
Sun 6/16:38 pmSNA - SUX
1 stop20h 37mUnited Airlines
Deal found 4/28$437
Fri 6/2010:10 amSUX - BOS
1 stop22h 46mUnited Airlines
Sun 6/226:00 amBOS - SUX
1 stop17h 40mUnited Airlines
Deal found 4/28$576
Wed 5/710:10 amSUX - YVR
2 stops25h 41mUnited Airlines
Sun 5/1811:35 pmYVR - SUX
1 stop20h 55mUnited Airlines
Deal found 4/28$743

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 April 30, 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 CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Fri 6/27

6:53 pm-7:36 pm

Nonstop1h 43m

Denver Intl

Sun 6/29

3:40 pm-6:18 pm

Nonstop1h 38m

$214

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Thu 6/12

10:10 am-8:52 pm

2 stops12h 42m

Las Vegas Harry Reid Intl

Tue 6/17

2:26 pm-10:40 pm

1 stop6h 14m

$249

Sioux CityDallas

SUX - DFW

SUXDFW

Sioux City Sioux Gateway

Tue 5/13

3:26 pm-8:46 pm

1 stop5h 20m

Dallas/Fort Worth

Sat 5/17

4:21 pm-10:30 pm

1 stop6h 09m

$327

Sioux CitySeattle

SUX - SEA

SUXSEA

Sioux City Sioux Gateway

Tue 5/13

3:26 pm-9:02 pm

1 stop7h 36m

Seattle/Tacoma Intl

Sat 5/17

5:15 am-2:28 pm

1 stop7h 13m

$333

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Wed 5/21

10:10 am-11:50 am

Nonstop1h 40m

Chicago O'Hare Intl

Sun 5/25

8:50 pm-10:40 pm

Nonstop1h 50m

$397

Sioux CityLos Angeles

SUX - LAX

SUXLAX

Sioux City Sioux Gateway

Sun 6/1

6:35 pm-10:33 pm

1 stop5h 58m

Los Angeles

Fri 6/6

11:35 pm-5:15 pm

2 stops15h 40m

$402

Sioux CitySanta Ana

SUX - SNA

SUXSNA

Sioux City Sioux Gateway

Thu 5/29

6:35 pm-10:12 pm

1 stop5h 37m

Santa Ana J. Wayne/Orange Cnty

Sun 6/1

6:38 pm-5:15 pm

1 stop20h 37m

$437

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Fri 6/20

10:10 am-9:56 am

1 stop22h 46m

Boston Logan Intl

Sun 6/22

6:00 am-10:40 pm

1 stop17h 40m

$576

Sioux CityVancouver

SUX - YVR

SUXYVR

Sioux City Sioux Gateway

Fri 6/13

6:35 pm-6:35 am

2 stops14h 00m

Vancouver Intl

Fri 6/20

8:35 am-5:15 pm

1 stop6h 40m

$802

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Sun 5/25

10:10 am-11:54 am

Nonstop1h 44m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 15 results
1
2

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 April
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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, 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 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, December is the cheapest month in which you can book a flight from Sioux City (average of $96). Flying from Sioux City in June will prove the most costly (average of $208). 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: Chicago.

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 Denver Intl, with prices starting at $99. Explore other affordable destinations below.

Denver Intl

Denver Intl

From $99

Chicago

Chicago

From $216

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 April 30, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches.
United Airlines
7.4
Good
8,696 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

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 April 30, 2025.

  • What are the most popular destinations to fly to from Sioux City?

    This month, the top selected destinations from Sioux City are Denver, Las Vegas, Chicago. Throughout the year, Denver, Chicago O'Hare Intl Airport, 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 $99 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for $547 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 $2,040

  • 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 $977 so you can fly first-class even on a budget.

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

    December 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.

See more FAQs

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.