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Sky Harbor Intl

$279+ Cheap flights from Sioux City (SUX) to Sky Harbor Intl (PHX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — PHX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Sioux City to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to Sky Harbor Intl (PHX). 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 11, 2025.

Round-trip from

$279
(United Airlines)
From Sioux City Sioux Gateway to Phoenix Sky Harbor Intl
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Find flight deals from Sioux City to Sky Harbor Intl

Cheapest flights from Sioux City to Sky Harbor Intl
Explore the most affordable flight options available from Sioux City to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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
Mon 11/176:25 amPHX - SUX
2 stops10h 43mUnited Airlines
Deal found 9/11$305
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/196:48 pmSUX - PHX
1 stop5h 14mUnited Airlines
Sun 9/219:30 amPHX - SUX
1 stop6h 43mUnited Airlines
Deal found 9/9$434
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/187:49 amSUX - PHX
1 stop8h 50mUnited Airlines
Mon 9/2211:45 amPHX - SUX
1 stop4h 28mUnited Airlines
Deal found 9/10$480
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/256:51 pmSUX - PHX
1 stop5h 06mUnited Airlines
Mon 9/297:46 pmPHX - SUX
2 stops20h 28mUnited Airlines
Deal found 9/10$493
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/267:50 pmPHX - SUX
2 stops20h 18mUnited Airlines
Deal found 9/10$516
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/196:48 pmSUX - PHX
1 stop5h 14mUnited Airlines
Mon 9/226:00 amPHX - SUX
2 stops14h 57mUnited Airlines
Deal found 9/10$549

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to Sky Harbor Intl 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 11, 2025.
Use the filters below to find and compare flights from Sioux City to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Sioux City

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Thu 2/19

6:54 pm-10:59 pm

1 stop5h 05m

Phoenix Sky Harbor Intl

Mon 2/23

6:00 am-5:32 pm

2 stops10h 32m

$279

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

Mon 11/17

6:25 am-6:08 pm

2 stops10h 43m

$305

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Thu 9/25

6:51 pm-9:57 pm

1 stop5h 06m

Phoenix Sky Harbor Intl

Mon 9/29

7:46 pm-6:14 pm

2 stops20h 28m

$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

7:50 pm-6:08 pm

2 stops20h 18m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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

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

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

Currently, January is the cheapest month in which you can book a flight from Sioux City to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Sioux City to Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Sioux City to Phoenix Sky Harbor Intl Airport, 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
8,937 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

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 Sioux City to Sky Harbor Intl. 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 Sky Harbor Intl?

    Located just 7.0 mi from the city center, Sioux City Sioux Gateway is the airport most travelers will use when flying to Phoenix Sky Harbor Intl from Sioux City. Booking flights from Sioux Gateway (SUX) to Phoenix Sky Harbor Intl should be relatively easy as there are 0 daily outbound flights to Phoenix Sky Harbor Intl from 1 airline.

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

    For as low as $279, United Airlines can have you in Phoenix Sky Harbor Intl Airport from Sioux City in 5h 05m. Airlines will cover a distance of 1049 mi.

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

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Sioux City to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Sioux City to Phoenix Sky Harbor Intl Airport 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

Traveling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Payson
Glendale
Chandler
Globe
Goodyear
Casa Grande
Buckeye
Camp Verde
Surprise
Peoria
Paradise Valley
Avondale
Guadalupe

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Top airline flying from Sioux City to Sky Harbor Intl

Discover the top airline that operate flights from Sioux City to Sky Harbor Intl. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$393FlexibilityNo cancel feeOn-time69%

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