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Sky Harbor Intl

$307+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — PHX
feb. 25 — mar. 41
mié. 2/25
mié. 3/4
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 enero 26, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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.
mar. 2/1012:45 pm
SUX
-
PHX
1 stop7h 37m
United Airlines
sáb. 2/149:40 am
PHX
-
SUX
1 stop7h 01m
United Airlines
Deal found 1/26$307
This United Airlines deal was found by Cheapflights users on 1/25. 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.
sáb. 4/116:00 am
SUX
-
PHX
1 stop4h 48m
United Airlines
mié. 4/154:34 pm
PHX
-
SUX
1 stop5h 10m
United Airlines
Deal found 1/25$344
This United Airlines deal was found by Cheapflights users on 1/26. 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.
jue. 7/236:00 am
SUX
-
PHX
1 stop4h 51m
United Airlines
dom. 7/264:30 pm
PHX
-
SUX
1 stop5h 12m
United Airlines
Deal found 1/26$358
This United Airlines deal was found by Cheapflights users on 1/23. 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.
jue. 2/266:46 pm
SUX
-
PHX
1 stop5h 04m
United Airlines
lun. 3/25:36 pm
PHX
-
SUX
1 stop16h 09m
United Airlines
Deal found 1/23$417

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 enero 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(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 enero 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

Sioux City

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

mar. 2/10

12:45 pm-7:22 pm

1 stop7h 37m

Phoenix Sky Harbor Intl

sáb. 2/14

9:40 am-5:41 pm

1 stop7h 01m

$307

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

sáb. 4/11

6:00 am-8:48 am

1 stop4h 48m

Phoenix Sky Harbor Intl

mié. 4/15

3:30 pm-11:44 pm

1 stop6h 14m

$344

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

jue. 7/23

6:00 am-2:54 pm

2 stops10h 54m

Phoenix Sky Harbor Intl

dom. 7/26

4:30 pm-11:42 pm

1 stop5h 12m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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 January.
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, April is the cheapest month in which you can book a flight from Sioux City to Phoenix Sky Harbor Intl Airport (average of $121). Flying from Sioux City to Phoenix Sky Harbor Intl Airport in December is currently the most expensive (average of $197). 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 enero 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
9,199 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

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
9,199 reviews
United Airlines
7.4
Good
9,199 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

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 $307, United Airlines can have you in Phoenix Sky Harbor Intl Airport from Sioux City in 7h 37m. 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, April is the cheapest month in which you can book a flight from Sioux City to Phoenix Sky Harbor Intl Airport (average of $121). Flying from Sioux City to Phoenix Sky Harbor Intl Airport in December is currently the most expensive (average of $197). 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
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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 enero 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$323FlexibilityNo cancel feeOn-time69%

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