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$344+ Cheap flights from Sioux City to Portland (SUX - PDX)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — PDX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Sioux City to Portland

Cheapest flights from Sioux City to Portland
Explore the most affordable flight options available from Sioux City to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. 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 12/256:54 pmSUX - PDX
1 stop6h 05mUnited Airlines
Mon 12/299:00 amPDX - SUX
1 stop7h 13mUnited Airlines
Deal found 12/9$390

Find flight deals from Sioux City to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to Portland (PDX). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$344
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Portland flights.
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From Sioux City Sioux Gateway to Portland
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to Portland 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 December 12, 2025.
Use the filters below to find and compare flights from Sioux City to Portland that are best for you.

Fly from

Sioux City

Fly to

Portland

Route

Depart

Return

Price

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Tue 1/13

6:00 am-9:45 am

1 stop5h 45m

Portland

Sat 1/17

1:35 pm-11:47 pm

2 stops8h 12m

$344

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Thu 12/25

6:54 pm-10:59 pm

1 stop6h 05m

Portland

Mon 12/29

9:00 am-6:13 pm

1 stop7h 13m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Sioux City to Portland

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 Portland in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

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

Have a flexible travel schedule? Discover the best time to fly to Portland 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 Portland

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

Currently, February is the cheapest month in which you can book a flight from Sioux City to Portland (average of $94). Flying from Sioux City to Portland in November is currently the most expensive (average of $274). 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.

What is the cheapest time of day to fly from SUX to PDX?

Find hourly flight availability from Sioux City to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Sioux City to Portland in the evening. Doing so could potentially save you 40% on the flight price compared to flying at noon, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Sioux City to Portland. 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 Sioux City to Portland?

    There are many flights that can get you from Sioux City to Portland in 5h 45m. Fly via United Airlines to get the fastest option. There are 1314 mi between Sioux City and Portland.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Sioux City to Portland (average of $94). Flying from Sioux City to Portland in November is currently the most expensive (average of $274). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
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Cannon Beach
Long Beach
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Gresham

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