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Sky Harbor Intl

$261+ Cheap flights from Sioux City (SUX) to Sky Harbor Intl (PHX)

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — PHX
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
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 March 13, 2026.

This United Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 10/16:48 pm
SUX
-
PHX
1 stop5h 18m
United Airlines
Mon 10/57:30 am
PHX
-
SUX
1 stop8h 24m
United Airlines
Deal found 3/11$304
This United Airlines deal was found by Cheapflights users on 3/8. 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 5/26:00 am
SUX
-
PHX
1 stop4h 48m
United Airlines
Wed 5/612:00 pm
PHX
-
SUX
1 stop20h 41m
United Airlines
Deal found 3/8$437
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 3/246:10 am
SUX
-
PHX
1 stop4h 43m
United Airlines
Sat 3/284:30 pm
PHX
-
SUX
1 stop5h 11m
United Airlines
Deal found 3/8$439
This United Airlines deal was found by Cheapflights users on 3/10. 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 3/196:30 pm
SUX
-
PHX
1 stop5h 41m
United Airlines
Tue 3/243:35 pm
PHX
-
SUX
1 stop6h 06m
United Airlines
Deal found 3/10$459
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/36:32 pm
SUX
-
PHX
1 stop5h 37m
United Airlines
Tue 4/74:34 pm
PHX
-
SUX
1 stop16h 12m
United Airlines
Deal found 3/10$466
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/176:32 pm
SUX
-
PHX
1 stop5h 37m
United Airlines
Mon 4/203:30 pm
PHX
-
SUX
1 stop17h 16m
United Airlines
Deal found 3/10$485

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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$437
(United Airlines)

One-way from

$261
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Phoenix Sky Harbor Intl flights.
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From Sioux City Sioux Gateway to Phoenix Sky Harbor Intl
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One-way flight from Sioux City Sioux Gateway to Phoenix Sky Harbor Intl
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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 March 13, 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

Tue 3/24

6:10 am-8:53 am

1 stop4h 43m

Phoenix Sky Harbor Intl

Sat 3/28

4:30 pm-11:41 pm

1 stop5h 11m

$439

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Sat 5/2

6:00 am-2:44 pm

2 stops10h 44m

Phoenix Sky Harbor Intl

Wed 5/6

3:30 pm-10:41 am

1 stop17h 11m

$447

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Fri 4/3

6:32 pm-10:09 pm

1 stop5h 37m

Phoenix Sky Harbor Intl

Tue 4/7

6:00 am-10:46 am

2 stops26h 46m

$510
Cheapest one-way
Quickest one-way

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Wed 4/1

6:00 am-12:24 pm

2 stops8h 24m

$338

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Sun 7/5

6:30 pm-9:00 am

1 stop16h 30m

$349

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Thu 4/2

6:32 pm-8:48 am

1 stop16h 16m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

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 March.
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.

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 $113). Flying from Sioux City to Phoenix Sky Harbor Intl Airport in December is currently the most expensive (average of $198). 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 March 13, 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
9,418 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $439, United Airlines can have you in Phoenix Sky Harbor Intl Airport from Sioux City in 4h 43m. Airlines will cover a distance of 1049 mi.

  • 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 $113). Flying from Sioux City to Phoenix Sky Harbor Intl Airport in December is currently the most expensive (average of $198). 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?

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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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$323FlexibilityNo cancel feeOn-time69%

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