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Sky Harbor Intl

$404+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — PHX
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap 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 July 26, 2026.

This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 12/26:46 pm
SUX
-
PHX
1 stop5h 05m
United Airlines
Sat 12/510:00 am
PHX
-
SUX
1 stop6h 54m
United Airlines
Deal found 7/21$404
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/811:32 am
SUX
-
PHX
1 stop7h 03m
United Airlines
Tue 8/119:00 am
PHX
-
SUX
1 stop6h 53m
United Airlines
Deal found 7/23$451
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/511:30 am
SUX
-
PHX
1 stop7h 40m
United Airlines
Mon 9/73:19 pm
PHX
-
SUX
1 stop6h 24m
United Airlines
Deal found 7/22$452
This United Airlines deal was found by Cheapflights users on 7/24. 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 7/316:35 pm
SUX
-
PHX
1 stop5h 24m
United Airlines
Sun 8/24:25 pm
PHX
-
SUX
1 stop5h 16m
United Airlines
Deal found 7/24$464
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/66:35 pm
SUX
-
PHX
1 stop5h 24m
United Airlines
Mon 8/106:50 am
PHX
-
SUX
1 stop9h 03m
United Airlines
Deal found 7/22$509
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/256:58 pm
SUX
-
PHX
1 stop5h 01m
United Airlines
Sun 9/276:43 pm
PHX
-
SUX
1 stop27h 00m
United Airlines
Deal found 7/22$524
This United Airlines deal was found by Cheapflights users on 7/21. 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 7/248:10 am
SUX
-
PHX
2 stops10h 25m
United Airlines
Sun 7/264:25 pm
PHX
-
SUX
1 stop5h 16m
United Airlines
Deal found 7/21$541

Find 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 July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$404
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Phoenix Sky Harbor Intl flights.
Search Deals
From Sioux City Sioux Gateway to Phoenix Sky Harbor Intl
Search Deals

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 July 26, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Wed 12/2

6:46 pm-10:51 pm

1 stop5h 05m

Phoenix Sky Harbor Intl

Sat 12/5

10:00 am-5:54 pm

1 stop6h 54m

$404

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Wed 11/25

8:20 am-9:25 pm

2 stops14h 05m

Phoenix Sky Harbor Intl

Mon 11/30

6:20 am-11:43 pm

1 stop16h 23m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Sorted by cheapest first

Compare providers for flights from Sioux City to Sky Harbor Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux City to Sky Harbor Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sioux City-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux City-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux City-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux City-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux City-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 July 26, 2026.
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
10,038 reviews

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,038 reviews
United Airlines
7.4
Good
10,038 reviews

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 $404, 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 ($263), 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.

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
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Camp Verde
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Guadalupe

Browse thousands of different options on Cheapflights for your next trip

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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 July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$263Average$340FlexibilityNo cancel feeOn-time69%

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