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Sioux City

$304+ Cheap flights from Phoenix to Sioux City (SUX)

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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SUX
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Cheap flight deals from Phoenix to Sioux City

Cheapest flights from Phoenix to Sioux City
Explore the most affordable flight options available from Phoenix to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.

This United Airlines deal was found by Cheapflights users on 3/18. 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 4/163:30 pm
PHX
-
SUX
1 stop6h 14m
United Airlines
Sat 4/256:00 am
SUX
-
PHX
2 stops10h 40m
United Airlines
Deal found 3/18$329
This United Airlines deal was found by Cheapflights users on 3/19. 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 12/58:50 am
PHX
-
SUX
2 stops8h 21m
United Airlines
Tue 12/89:03 am
SUX
-
PHX
1 stop7h 56m
United Airlines
Deal found 3/19$424
This United Airlines deal was found by Cheapflights users on 3/19. 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 7/94:21 pm
PHX
-
SUX
1 stop5h 20m
United Airlines
Thu 7/166:30 pm
SUX
-
PHX
1 stop5h 29m
United Airlines
Deal found 3/19$453
This United Airlines deal was found by Cheapflights users on 3/17. 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 10/17:30 am
PHX
-
SUX
1 stop8h 24m
United Airlines
Mon 10/56:48 pm
SUX
-
PHX
1 stop5h 18m
United Airlines
Deal found 3/17$455
This United Airlines deal was found by Cheapflights users on 3/18. 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 5/2110:06 am
PHX
-
SUX
2 stops11h 38m
United Airlines
Thu 5/286:30 pm
SUX
-
PHX
1 stop5h 29m
United Airlines
Deal found 3/18$473
This United Airlines deal was found by Cheapflights users on 3/17. 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 10/17:30 am
PHX
-
SUX
1 stop8h 24m
United Airlines
Sun 10/46:00 am
SUX
-
PHX
1 stop4h 51m
United Airlines
Deal found 3/17$492

Find flight deals from Phoenix to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Sioux City (SUX). 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 22, 2026.

Round-trip from

$329
(United Airlines)

One-way from

$304
(United Airlines)
From Phoenix to Sioux City Sioux Gateway
Search Deals
One-way flight from Phoenix to Sioux City Sioux Gateway
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Sioux City 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 22, 2026.
Use the filters below to find and compare flights from Phoenix to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Thu 4/16

3:30 pm-11:44 pm

1 stop6h 14m

Sioux City Sioux Gateway

Sat 4/25

6:00 am-2:40 pm

2 stops10h 40m

$329
Quickest round-trip

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Thu 7/9

6:00 am-5:54 pm

2 stops9h 54m

Sioux City Sioux Gateway

Thu 7/16

6:30 pm-9:59 pm

1 stop5h 29m

$520

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Tue 4/21

7:00 am-10:46 am

1 stop25h 46m

Sioux City Sioux Gateway

Sat 4/25

6:00 am-8:48 am

1 stop4h 48m

$525

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Thu 5/21

6:59 pm-10:57 am

1 stop13h 58m

Sioux City Sioux Gateway

Thu 5/28

6:30 pm-9:59 pm

1 stop5h 29m

$547

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Thu 4/9

10:35 am-11:44 pm

2 stops11h 09m

Sioux City Sioux Gateway

Sun 4/12

6:00 am-2:39 pm

2 stops10h 39m

$629

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Wed 4/15

6:00 am-10:46 am

1 stop26h 46m

Sioux City Sioux Gateway

Fri 4/17

6:32 pm-4:54 pm

1 stop24h 22m

$646
Cheapest one-way
Quickest one-way

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Mon 4/20

4:34 pm-11:44 pm

1 stop5h 10m

$316

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Tue 4/21

7:00 am-5:56 pm

1 stop8h 56m

$316

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Sat 4/4

9:52 am-10:46 am

1 stop22h 54m

$391

PhoenixSioux City

PHX - SUX

PHXSUX

Phoenix Sky Harbor Intl

Sat 7/18

6:00 am-10:57 am

2 stops26h 57m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Sorted by cheapest first

Best time to book a flight from Phoenix to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Phoenix 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 Phoenix to Sioux City

What is the cheapest month to book a flight from Phoenix to Sioux City?

Currently, September is the cheapest month in which you can book a flight from Phoenix to Sioux City (average of $93). Flying from Phoenix to Sioux City in November is currently the most expensive (average of $176). 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 Sioux City

Get insights into the airlines that provide service to Sioux City. 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 Sioux City. Reviews last updated March 22, 2026.
Read reviews from past customers who have flown United Airlines from Phoenix to Sioux City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,455 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

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
9,455 reviews
United Airlines
7.4
Good
9,455 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

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 Phoenix to Sioux City. 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 into for flights to Sioux City from Phoenix?

    Sioux City Sioux Gateway (SUX) is the airport you will fly into if you book a flight from Phoenix to Sioux City. You should not have trouble finding flights to Sioux Gateway from Phoenix; the airport handles an average of 0 inbound flights from Phoenix per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Sioux City airport from Phoenix. It is only a 7.0 mi journey from Sioux Gateway (SUX) to Sioux City’s city center.

  • How long is the flight from Phoenix to Sioux City?

    For as low as $329, United Airlines can have you in Sioux City from Phoenix in 6h 14m. The distance from Phoenix to Sioux City is about 1049 mi.

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

    Flying on United Airlines is currently your cheapest option to Sioux City, with prices starting at $162.

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

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

  • How can I find direct flights from Phoenix to Sioux City?

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

  • Can I find deals for business class flights from Phoenix to Sioux City?

    Yes. Cheapflights offers flight deals from Phoenix to Sioux City 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 Phoenix to Sioux City?

    Currently, September is the cheapest month in which you can book a flight from Phoenix to Sioux City (average of $93). Flying from Phoenix to Sioux City in November is currently the most expensive (average of $176). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Phoenix to Sioux City

Discover the top airline that operate flights from Phoenix to Sioux City. 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 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$162Average$443FlexibilityNo cancel feeOn-time69%

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