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Sioux City

$261+ Cheap flights from Sky Harbor Intl (PHX) 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SUX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Sioux City (SUX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$324
(United Airlines)

One-way from

$261
(United Airlines)
From Phoenix Sky Harbor Intl to Sioux City Sioux Gateway
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One-way flight from Phoenix Sky Harbor Intl to Sioux City Sioux Gateway
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Find flight deals from Sky Harbor Intl to Sioux City

Best flights from Sky Harbor Intl to Sioux City
Discover carefully curated flight deals from Sky Harbor Intl to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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 2/278:30 amPHX - SUX
1 stop8h 02mUnited Airlines
Tue 3/36:30 pmSUX - PHX
1 stop5h 29mUnited Airlines
Deal found 9/13$324

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 September 15, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Sioux City that are best for you.

Fly from

Sky Harbor Intl

Fly to

Sioux City

Route

Depart

Return

Price

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Fri 2/27

8:30 am-5:32 pm

1 stop8h 02m

Sioux City Sioux Gateway

Tue 3/3

6:30 pm-10:59 pm

1 stop5h 29m

$324

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Wed 10/15

2:40 pm-11:00 pm

1 stop6h 20m

$261

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Sat 9/20

4:28 pm-6:13 pm

1 stop23h 45m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Sky Harbor Intl to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Sioux City

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Sioux City?

Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Sioux City (average of $318). Flying from Phoenix Sky Harbor Intl Airport 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.

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 September 15, 2025.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Sioux City, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

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
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

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!

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl 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 Phoenix Sky Harbor Intl?

    For a flight from Phoenix Sky Harbor Intl to Sioux City, you will be flying into Sioux Gateway. Sioux City Sioux Gateway (SUX) is just 7.0 mi from the center of the city. Sioux Gateway is the only Sioux City airport and it handles 0 inbound flights from Phoenix Sky Harbor Intl per day. 1 airline has flights to Sioux City Sioux Gateway from Phoenix Sky Harbor Intl on a regular basis.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Sioux City?

    Departing from Phoenix Sky Harbor Intl Airport to Sioux City will take you 8h 02m. Airlines will cover a distance of 1049 mi.

  • What is the cheapest airline to fly from Phoenix Sky Harbor Intl Airport to Sioux City round-trip?

    Currently priced at $243, United Airlines will fly you from Phoenix Sky Harbor Intl Airport to Sioux City and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from Sky Harbor Intl to Sioux City that include hotel bookings?

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

  • How can I find direct flights from Sky Harbor Intl to Sioux City?

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

  • Can I find deals for business class flights from Sky Harbor Intl to Sioux City?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Sioux City?

    Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Sioux City (average of $318). Flying from Phoenix Sky Harbor Intl Airport 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

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Top airline flying from Sky Harbor Intl to Sioux City

Discover the top airline that operate flights from Sky Harbor Intl 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$479FlexibilityNo cancel feeOn-time69%

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