HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Phoenix

$265+ Cheap flights from Sioux City (SUX) to Phoenix

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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — PHX
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sioux City to Phoenix with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Sioux City to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to Phoenix (PH1). 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 19, 2025.

Round-trip from

$493
(United Airlines)

One-way from

$265
(United Airlines)
From Sioux City Sioux Gateway to Phoenix
Search Deals
One-way flight from Sioux City Sioux Gateway to Phoenix
Search Deals

Find flight deals from Sioux City to Phoenix

Cheapest flights from Sioux City to Phoenix
Explore the most affordable flight options available from Sioux City to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 9/207:49 amSUX - PHX
1 stop8h 50mUnited Airlines
Sun 9/2111:45 amPHX - SUX
1 stop4h 28mUnited Airlines
Deal found 9/16$404
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/197:49 amSUX - PHX
1 stop8h 50mUnited Airlines
Sun 9/218:05 amPHX - SUX
2 stops8h 08mUnited Airlines
Deal found 9/15$464
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/266:51 pmSUX - PHX
1 stop5h 06mUnited Airlines
Sun 9/2812:35 pmPHX - SUX
1 stop8h 25mUnited Airlines
Deal found 9/16$480
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 10/26:51 pmSUX - PHX
2 stops16h 08mUnited Airlines
Mon 10/612:35 pmPHX - SUX
1 stop8h 25mUnited Airlines
Deal found 9/17$493
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/246:51 pmSUX - PHX
1 stop5h 06mUnited Airlines
Sun 10/267:05 amPHX - SUX
2 stops33h 03mUnited Airlines
Deal found 9/16$500
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/146:46 pmSUX - PHX
1 stop4h 54mUnited Airlines
Sun 11/168:05 amPHX - SUX
2 stops33h 03mUnited Airlines
Deal found 9/17$578

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to Phoenix 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 19, 2025.
Use the filters below to find and compare flights from Sioux City to Phoenix that are best for you.

Fly from

Sioux City

Fly to

Phoenix

Route

Depart

Return

Price

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Fri 9/26

6:51 pm-9:57 pm

1 stop5h 06m

Phoenix Sky Harbor Intl

Sun 9/28

12:35 pm-11:00 pm

1 stop8h 25m

$480

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Thu 10/2

6:51 pm-8:59 am

2 stops16h 08m

Phoenix Sky Harbor Intl

Mon 10/6

12:35 pm-11:00 pm

1 stop8h 25m

$493

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Fri 10/24

6:51 pm-9:57 pm

1 stop5h 06m

Phoenix Sky Harbor Intl

Sun 10/26

7:05 am-6:08 pm

2 stops33h 03m

$500

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Fri 11/14

6:46 pm-10:40 pm

1 stop4h 54m

Phoenix Sky Harbor Intl

Sun 11/16

8:30 am-6:08 pm

1 stop8h 38m

$605

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Tue 12/16

7:50 am-2:15 pm

1 stop7h 25m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Sioux City to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix 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.

Cheapflights Insights

Everything you need to know about your flight from Sioux City to Phoenix

What is the cheapest month to book a flight from Sioux City to Phoenix?

Currently, January is the cheapest month in which you can book a flight from Sioux City to Phoenix (average of $258). Flying from Sioux City to Phoenix in March is currently the most expensive (average of $337). 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 Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated September 19, 2025.
Read reviews from past customers who have flown United Airlines from Sioux City to Phoenix. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from Sioux City to Phoenix. 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 from for flights from Sioux City to Phoenix?

    If you book a flight to Phoenix from Sioux City, you will be flying from Sioux Gateway, which is the city’s only airport. Sioux City Sioux Gateway (SUX) is located 7.0 mi from the center of Sioux City. There are 0 flights from Sioux Gateway to Phoenix per day from 1 airline.

  • How long is the flight from Sioux City to Phoenix?

    Departing from Sioux City to Phoenix will take you 5h 06m. Airlines will cover a distance of 1049 mi.

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

    According to our current data, United Airlines ($243), offers the cheapest pricing from Sioux City to Phoenix.

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

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

  • How can I find direct flights from Sioux City to Phoenix?

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

  • Can I find deals for business class flights from Sioux City to Phoenix?

    Yes. Cheapflights offers flight deals from Sioux City to Phoenix 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 Sioux City to Phoenix?

    Currently, January is the cheapest month in which you can book a flight from Sioux City to Phoenix (average of $258). Flying from Sioux City to Phoenix in March is currently the most expensive (average of $337). 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

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.

Alternative routes for Sioux City to Phoenix

See prices for flight routes from nearby airports that may be better suited for you.
Omaha to Las Vegas flights
Des Moines to Sky Harbor Intl flights
Omaha to Sky Harbor Intl flights
Des Moines to Las Vegas flights
Cedar Rapids to Sky Harbor Intl flights
Cedar Rapids to Las Vegas flights
Moline to Sky Harbor Intl flights
Cedar Rapids to Phoenix-Mesa Gateway flights
Moline to Las Vegas flights
Cedar Rapids to Tucson flights
Des Moines to Phoenix-Mesa Gateway flights
Omaha to Phoenix-Mesa Gateway flights
Des Moines to Tucson flights
Moline to Tucson flights
Omaha to Tucson flights
Sioux City to Sky Harbor Intl flights
La Crosse to Sky Harbor Intl flights
La Crosse to Las Vegas flights
Sioux City to Las Vegas flights
Dubuque to Las Vegas flights
Dubuque to Sky Harbor Intl flights
Fort Dodge to Las Vegas flights
Des Moines to Flagstaff flights
Waterloo to Las Vegas flights
Waterloo to Sky Harbor Intl flights
Omaha to Flagstaff flights
Cedar Rapids to Flagstaff flights
La Crosse to Tucson flights
Dubuque to Tucson flights

Top airline flying from Sioux City to Phoenix

Discover the top airline that operate flights from Sioux City to Phoenix. 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 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$359FlexibilityNo cancel feeOn-time69%

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.