$261 Cheap Flights from Phoenix (PHX) to Sioux City (SUX)

View $261 flight on Sat, Jan 3, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Sioux City, IA (SUX-Sioux Gateway)

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Cheap Flights from Phoenix to Sioux City (PHX-SUX)

Prices were available within the past 7 days and start at $261 for one-way flights and $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Aug 21 - Tue, Aug 26
PHX
Phoenix
SUX
Sioux City
$244 Roundtrip, found 3 hours ago
$244
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Aug 21 from Phoenix to Sioux City, returning Tue, Aug 26, priced at $244 found 3 hours ago
United
Thu, Aug 21 - Tue, Aug 26
PHX
Phoenix
SUX
Sioux City
$249 Roundtrip, found 3 hours ago
$249
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Aug 21 from Phoenix to Sioux City, returning Tue, Aug 26, priced at $249 found 3 hours ago
United
Thu, Jan 8 - Mon, Jan 12
PHX
Phoenix
SUX
Sioux City
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jan 8 from Phoenix to Sioux City, returning Mon, Jan 12, priced at $254 found 5 days ago
United
Thu, Jan 8 - Mon, Jan 12
PHX
Phoenix
SUX
Sioux City
$259 Roundtrip, found 5 days ago
$259
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jan 8 from Phoenix to Sioux City, returning Mon, Jan 12, priced at $259 found 5 days ago
United
Wed, Aug 27 - Wed, Sep 3
PHX
Phoenix
SUX
Sioux City
$270 Roundtrip, found 3 days ago
$270
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 27 from Phoenix to Sioux City, returning Wed, Sep 3, priced at $270 found 3 days ago
United
Wed, Aug 27 - Wed, Sep 3
PHX
Phoenix
SUX
Sioux City
$279 Roundtrip, found 3 days ago
$279
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 27 from Phoenix to Sioux City, returning Wed, Sep 3, priced at $279 found 3 days ago
United
Thu, Jan 8 - Mon, Jan 12
PHX
Phoenix
SUX
Sioux City
$281 Roundtrip, found 5 days ago
$281
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jan 8 from Phoenix to Sioux City, returning Mon, Jan 12, priced at $281 found 5 days ago
United
Thu, Jan 8 - Mon, Jan 12
PHX
Phoenix
SUX
Sioux City
$286 Roundtrip, found 5 days ago
$286
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jan 8 from Phoenix to Sioux City, returning Mon, Jan 12, priced at $286 found 5 days ago
United
Thu, Oct 2 - Mon, Oct 6
PHX
Phoenix
SUX
Sioux City
$290 Roundtrip, found 4 days ago
$290
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 2 from Phoenix to Sioux City, returning Mon, Oct 6, priced at $290 found 4 days ago
United
Wed, Aug 27 - Wed, Sep 3
PHX
Phoenix
SUX
Sioux City
$296 Roundtrip, found 3 days ago
$296
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 27 from Phoenix to Sioux City, returning Wed, Sep 3, priced at $296 found 3 days ago

Find the cheapest month to fly from Phoenix (PHX) to Sioux City (SUX)

August is typically the cheapest month to fly

From $243 - $543 per traveler.

Graph displaying average flight prices per month

Alternative airports near Sioux City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sioux Gateway SUX. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $364
SUX
Sioux Gateway
CheapestClosest
Average driving time to city center9 min
Flights from $364
Flights from Phoenix (PHX) to Sioux City (SUX)
Origin airport
Sky Harbor Intl.
Destination airport
Sioux Gateway
Airlines serving
United
Roundtrip price
$243
Distance
1050 mi

Phoenix to Sioux City Flights

The cheapest times to fly from Phoenix to Sioux City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Sioux City are during the month of August. You can find some of the cheapest flights from Phoenix to Sioux City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Sioux City

Sunday is one of the best days to book for cheap flights from Phoenix to Sioux City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Sioux City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Sioux City in 2025. You can also book with separate airlines for your outbound and return journeys, from $261 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Sioux City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Sioux City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Sioux Gateway Airport (SUX) cost?
Discover the latest flight deals from PHX to SUX by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHX to SUX?
The cheapest flights from PHX to SUX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHX to SUX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PHX to SUX. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Sioux Gateway Airport (SUX)?
Direct flights from Sky Harbor Intl. Airport (PHX) to Sioux Gateway Airport (SUX) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHX to SUX?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Sioux Gateway Airport (SUX)?
To avoid potential delays on the Sky Harbor Intl. Airport (PHX) to Sioux Gateway Airport (SUX) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Sioux Gateway Airport (SUX) last-minute?
Last-minute bookings from PHX to SUX are typically more expensive. To secure the best prices, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, you may find a cheap ticket right before your trip.
Is it cheaper to book a PHX to SUX flight and hotel package?
You can save money by booking a PHX to SUX flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Sioux Gateway Airport (SUX)?
If you reserved your PHX to SUX flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.