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Sioux City

$467+ Cheap flights from Portland to Sioux City (PDX - 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SUX
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap flight deals from Portland to Sioux City

Cheapest flights from Portland to Sioux City
Explore the most affordable flight options available from Portland to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.

This United Airlines deal was found by Cheapflights users on 4/29. 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 11/67:11 am
PDX
-
SUX
1 stop8h 43m
United Airlines
Tue 11/106:46 pm
SUX
-
PDX
1 stop5h 52m
United Airlines
Deal found 4/29$498
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/264:15 pm
PDX
-
SUX
1 stop5h 26m
United Airlines
Tue 6/3011:32 am
SUX
-
PDX
1 stop5h 41m
United Airlines
Deal found 4/29$499
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/67:00 am
PDX
-
SUX
1 stop9h 06m
United Airlines
Sat 5/96:00 am
SUX
-
PDX
1 stop5h 38m
United Airlines
Deal found 4/27$514
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/307:00 am
PDX
-
SUX
1 stop8h 54m
United Airlines
Tue 6/27:53 am
SUX
-
PDX
1 stop10h 03m
United Airlines
Deal found 4/29$573

Find flight deals from Portland to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(United Airlines)
Provider with most accurate pricing for Portland-Sioux City Sioux Gateway flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Sioux City Sioux Gateway flights.
Search Deals
From Portland to Sioux City Sioux Gateway
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 April 30, 2026.
Use the filters below to find and compare flights from Portland to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Fri 6/26

4:15 pm-11:41 pm

1 stop5h 26m

Sioux City Sioux Gateway

Tue 6/30

11:32 am-3:13 pm

1 stop5h 41m

$499

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Sat 5/30

7:00 am-5:54 pm

1 stop8h 54m

Sioux City Sioux Gateway

Tue 6/2

7:53 am-3:56 pm

1 stop10h 03m

$573
Cheapest one-way
Quickest one-way

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Fri 5/8

7:05 pm-10:41 am

1 stop13h 36m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Portland-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Sioux City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Sioux City 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 Portland-Sioux City 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 Portland to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Portland 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 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 April 30, 2026.
Read through reviews of airlines operating flights from Portland to Sioux City, 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
9,677 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,677 reviews
United Airlines
7.4
Good
9,677 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Portland to Sioux City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For as low as $499, United Airlines can have you in Sioux City from Portland in 5h 26m. Airlines will cover a distance of 1314 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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.

See more FAQs

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Top airline flying from Portland to Sioux City

Discover the top airline that operate flights from Portland 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 April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$333Average$532FlexibilityNo cancel feeOn-time69%

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