$213+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — PHX
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Sioux City to Sky Harbor Intl 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 Sky Harbor Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sioux City to Sky Harbor IntlExplore 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 10, 2026.
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 10, 2026.
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.
Wed 9/236:35 pm -
1 stop5h 34m
Mon 9/283:30 pm -
1 stop6h 13m
Deal found 9/9![United Airlines logo]()
$364
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.
Tue 12/155:00 am -
1 stop10h 00m
Thu 12/174:29 pm -
1 stop6h 15m
Deal found 9/9![United Airlines logo]()
$402
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.
Thu 9/246:58 pm -
1 stop5h 01m
Mon 9/283:30 pm -
1 stop6h 13m
Deal found 9/9![United Airlines logo]()
$403
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.
Tue 10/206:58 pm -
1 stop5h 01m
Sat 10/244:29 pm -
1 stop5h 14m
Deal found 9/9![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 12/95:00 am -
2 stops15h 02m
Mon 12/145:34 pm -
1 stop5h 09m
Deal found 9/8![United Airlines logo]()
$429
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 9/256:58 pm -
1 stop5h 01m
Sun 9/277:10 am -
1 stop8h 43m
Deal found 9/9![United Airlines logo]()
$454
Best flights from Sioux City to Sky Harbor IntlDiscover carefully curated flight deals from Sioux City to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Sioux City to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
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.
Tue 10/206:58 pm -
1 stop5h 01m
Sat 10/244:29 pm -
1 stop5h 14m
Deal found 9/9![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 12/95:00 am -
1 stop8h 24m
Mon 12/144:39 pm -
1 stop6h 04m
Deal found 9/8![United Airlines logo]()
$424
Last-minute flights from Sioux City to Sky Harbor IntlDiscover last-minute flight deals from Sioux City to Sky Harbor Intl. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux City to Sky Harbor Intl. Data last updated September 10, 2026 and is based on user searches.
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.
Wed 9/236:35 pm -
1 stop5h 34m
Mon 9/283:30 pm -
1 stop6h 13m
Deal found 9/9![United Airlines logo]()
$364
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.
Thu 9/246:58 pm -
1 stop5h 01m
Mon 9/283:30 pm -
1 stop6h 13m
Deal found 9/9![United Airlines logo]()
$403
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 9/256:58 pm -
1 stop5h 01m
Sun 9/277:10 am -
1 stop8h 43m
Deal found 9/9![United Airlines logo]()
$454
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.
Tue 10/206:58 pm -
1 stop5h 01m
Sat 10/244:29 pm -
1 stop5h 14m
Deal found 9/9![United Airlines logo]()
$404
One-way flights from Sioux City to Sky Harbor IntlSearch for one-way flight options from Sioux City to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Sioux City to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
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 10/166:58 pm -
1 stop5h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$213
This United Airlines deal was found by Cheapflights users on 9/6. 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 11/246:45 pm -
1 stop5h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$291
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $364 (United Airlines) |
One-way from | $213 (United Airlines) |
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 7,457,451 searches. Data last updated September 10, 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
Cheapest round-trip
Quickest round-trip
Sioux CityPhoenix
SUX Sioux City Sioux Gateway - PHX Phoenix Sky Harbor Intl
SUXPHX
Sioux City Sioux Gateway
Fri 10/16
6:58 pm-9:59 pm
1 stop5h 01m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$213
Sioux CityPhoenix
SUX Sioux City Sioux Gateway - PHX Phoenix Sky Harbor Intl
SUXPHX
Sioux City Sioux Gateway
Tue 11/24
6:45 pm-10:53 pm
1 stop5h 08m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$291
Sioux CityPhoenix
SUX Sioux City Sioux Gateway - PHX Phoenix Sky Harbor Intl
SUXPHX
Sioux City Sioux Gateway
Tue 10/20
6:58 pm-9:59 pm
1 stop5h 01m
Phoenix Sky Harbor Intl
Sat 10/24
4:29 pm-11:43 pm
1 stop5h 14m
$404
Sioux CityPhoenix
SUX Sioux City Sioux Gateway - PHX Phoenix Sky Harbor Intl
SUXPHX
Sioux City Sioux Gateway
Wed 12/9
5:00 am-12:24 pm
1 stop8h 24m
Phoenix Sky Harbor Intl
Mon 12/14
4:39 pm-11:43 pm
1 stop6h 04m
$424
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
SUX-PHX
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 September 10, 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.
Entertainment
7.1
Food
6.7
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Food
6.7
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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 locationsGlendale
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Sioux City and Sky Harbor Intl flights
Browse other Sioux City and Sky Harbor Intl flight options. Last updated on September 10, 2026.
Other flights from Sioux City
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Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$374 | FlexibilityNo cancel fee | On-time69% |