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$164 Cheap Flights from Phoenix (PHX) to Sioux City (SUX)

View $164 flight on Tue, Oct 6, 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 $164 for one-way flights and $314 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 10 - Mon, Oct 12
PHX
Phoenix
SUX
Sioux City
$314 Roundtrip, found 3 hours ago
$314
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Oct 10 from Phoenix to Sioux City, returning Mon, Oct 12, priced at $314 found 3 hours ago
United
Thu, Dec 3 - Thu, Dec 10
PHX
Phoenix
SUX
Sioux City
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select United flight, departing Thu, Dec 3 from Phoenix to Sioux City, returning Thu, Dec 10, priced at $319 found 1 day ago
United
Sat, Oct 10 - Mon, Oct 12
PHX
Phoenix
SUX
Sioux City
$324 Roundtrip, found 3 hours ago
$324
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Oct 10 from Phoenix to Sioux City, returning Mon, Oct 12, priced at $324 found 3 hours ago
United
Fri, Aug 28 - Mon, Aug 31
PHX
Phoenix
SUX
Sioux City
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 28 from Phoenix to Sioux City, returning Mon, Aug 31, priced at $329 found 2 days ago
United
Mon, Oct 5 - Fri, Oct 9
PHX
Phoenix
SUX
Sioux City
$332 Roundtrip, found 5 days ago
$332
Roundtrip
found 5 days ago
Select United flight, departing Mon, Oct 5 from Phoenix to Sioux City, returning Fri, Oct 9, priced at $332 found 5 days ago
United
Wed, Dec 9 - Sun, Dec 13
PHX
Phoenix
SUX
Sioux City
$333 Roundtrip, found 1 day ago
$333
Roundtrip
found 1 day ago
Select United flight, departing Wed, Dec 9 from Phoenix to Sioux City, returning Sun, Dec 13, priced at $333 found 1 day ago
United
Sat, Sep 5 - Mon, Sep 7
PHX
Phoenix
SUX
Sioux City
$340 Roundtrip, found 5 days ago
$340
Roundtrip
found 5 days ago
Select United flight, departing Sat, Sep 5 from Phoenix to Sioux City, returning Mon, Sep 7, priced at $340 found 5 days ago
United
Mon, Aug 24 - Fri, Aug 28
PHX
Phoenix
SUX
Sioux City
$342 Roundtrip, found 5 days ago
$342
Roundtrip
found 5 days ago
Select United flight, departing Mon, Aug 24 from Phoenix to Sioux City, returning Fri, Aug 28, priced at $342 found 5 days ago
United
Sat, Sep 26 - Sat, Oct 3
PHX
Phoenix
SUX
Sioux City
$347 Roundtrip, found 3 days ago
$347
Roundtrip
found 3 days ago
Select United flight, departing Sat, Sep 26 from Phoenix to Sioux City, returning Sat, Oct 3, priced at $347 found 3 days ago
United
Fri, Sep 4 - Mon, Sep 7
PHX
Phoenix
SUX
Sioux City
$348 Roundtrip, found 2 days ago
$348
Roundtrip
found 2 days ago
Select United flight, departing Fri, Sep 4 from Phoenix to Sioux City, returning Mon, Sep 7, priced at $348 found 2 days ago

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

January is typically the cheapest month to fly

From $241 - $799 per traveler.

What you need to know for your flight from Sky Harbor Intl. to Sioux Gateway

Phoenix (PHX) to Sioux City (SUX) at a glance

Travel from Phoenix (PHX) to Sioux City (SUX) with a full-service airline on this convenient domestic route. Discover an itinerary that aligns with your travel needs as you visit the notable attractions and neighborhoods of Sioux City. Check out the essential details for flights from Sky Harbor International Airport (PHX) to Sioux Gateway Airport (SUX) for your journey to Sioux City.

  • Fastest flight duration: around 3h 30m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 1,100 miles (1,770 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $125–$480, depending on seasonality and how far ahead you book

Flights from Sky Harbor International Airport (PHX) to Sioux Gateway Airport (SUX)

Based on the latest traveler bookings, here are the top airlines flying from Phoenix to Sioux City, known for their one-stop options. Common layover points include Denver International Airport (DEN) with an approximate layover of 1 hour and 15 minutes, and O'Hare International Airport (ORD) at around 1 hour and 30 minutes. This allows you to customize your journey by balancing price, total travel time, and cabin class to secure the ideal itinerary.

  • United: This comprehensive airline operates as a full-service carrier, providing one-stop travel options. One-way ticket prices generally fall between $125 and $480. The flight duration is approximately 3 hours and 30 minutes, with the total travel time, including layover, being around 5 hours and 15 minutes.

Alternative route from Phoenix (PHX) to Sioux City (SUX)

  • Phoenix to Omaha (PHX-OMA): Eppley Field Airport (OMA) is located approximately 80 miles from Sioux Gateway Airport (SUX). One-way economy tickets for this route usually fall between $85 and $430, subject to seasonal variations and advance booking. Travelers can choose from both non-stop and one-stop flight options. Major airlines serving this route include Southwest Airlines, a budget-friendly option, and American Airlines. Additionally, first class service is available for those seeking a more premium experience.

How to find the best prices for flights from Phoenix (PHX) to Sioux City (SUX)

Getting some of the best deals on flights from Phoenix to Sioux City is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking at least two months in advance, although most travelers tend to book between two to eight weeks ahead. Morning departures (from 5 a.m. to 12 p.m.) often offer lower prices and are also the most popular flight times. Additionally, flying on Thursday usually provides cheaper options, while Friday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Sioux City hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sioux Gateway Airport from Sky Harbor International Airport

Sioux City welcomes travelers from Phoenix with a range of transport options based on price, convenience, and proximity. Here's how to reach Sioux City efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Sioux City, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Sioux Gateway Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sioux Gateway Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway) cost?
You can find cheap one-way flights from $164 and cheap return flights from $314 Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway) with Expedia. One-way flights generally range between $190 and $467, and roundtrip flights usually range from $278 to $1247. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway)?
The cheapest month to fly from PHX to SUX is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway)?
Enter PHX to SUX and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway)?
United is one of the cheapest airlines offering connecting flights from Phoenix, AZ (PHX) to Sioux City, IA (SUX), with round-trip tickets starting from around $243.47 with a layover in Los Angeles Intl. (LAX). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway)?
The earliest flight from Sky Harbor International Airport (PHX) to Sioux Gateway Airport (SUX) typically leaves at around 12:40 AM, operated by Delta and United Airlines. This seasonal service is available in October, allowing you to start your journey early and make the most of your time in Sioux City. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway)?
For flights from Sky Harbor International Airport (PHX) to Sioux Gateway Airport (SUX), the most popular departure times are in the late morning, from 9am to 12pm. About 53% of passengers prefer this time window. Major carriers like United Airlines and Delta Air Lines offer flights during this time, which is great for those looking to travel after a productive morning.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway)?
A flight from PHX to SUX with a layover takes around 6 hours 20 minutes, with the route covering approximately 1,051 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway)?
Select the "Business class" and "First class" filters when looking for PHX to SUX flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sioux City from Sky Harbor Intl. (PHX)?
If you're planning to travel to Sioux City from Sky Harbor Intl. (PHX), you can fly into Sioux Gateway (SUX) Some flights may connect through major hubs like Denver Intl. (DEN), George Bush Intercontinental (IAH), Los Angeles Intl. (LAX) before reaching Sioux City. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Sioux City, IA (SUX-Sioux Gateway) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Sioux Gateway
Airlines serving
United
Roundtrip price
$313
Distance
1050 mi

Book with confidence

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 October. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $164 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.

 

Phoenix to Sioux City Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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