$201 Cheap Flights from Sioux City (SUX) to Portland (PDX)

View $201 flight on Thu, Feb 19, 2026Opens in a new window

Popular airlines from Sioux City, IA (SUX-Sioux Gateway) to Portland International Airport (PDX)

Cheap Flights from Sioux City to Portland (SUX-PDX)

Prices were available within the past 7 days and start at $201 for one-way flights and $254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Nov 20 - Thu, Nov 27
SUX
Sioux City
PDX
Portland
$254 Roundtrip, found 6 days ago
$254
Roundtrip
found 6 days ago
Select United flight, departing Thu, Nov 20 from Sioux City to Portland, returning Thu, Nov 27, priced at $254 found 6 days ago
United
Sun, Mar 8 - Sat, Mar 14
SUX
Sioux City
PDX
Portland
$307 Roundtrip, found 4 hours ago
$307
Roundtrip
found 4 hours ago
Select United flight, departing Sun, Mar 8 from Sioux City to Portland, returning Sat, Mar 14, priced at $307 found 4 hours ago
United
Sun, Mar 8 - Sat, Mar 14
SUX
Sioux City
PDX
Portland
$332 Roundtrip, found 4 hours ago
$332
Roundtrip
found 4 hours ago
Select United flight, departing Sun, Mar 8 from Sioux City to Portland, returning Sat, Mar 14, priced at $332 found 4 hours ago
United
Sun, Nov 16 - Wed, Dec 3
SUX
Sioux City
PDX
Portland
$334 Roundtrip, found 13 hours ago
$334
Roundtrip
found 13 hours ago
Select United flight, departing Sun, Nov 16 from Sioux City to Portland, returning Wed, Dec 3, priced at $334 found 13 hours ago
United
Sat, Feb 28 - Tue, Mar 17
SUX
Sioux City
PDX
Portland
$339 Roundtrip, found 5 days ago
$339
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 28 from Sioux City to Portland, returning Tue, Mar 17, priced at $339 found 5 days ago
United
Sat, Nov 22 - Tue, Dec 9
SUX
Sioux City
PDX
Portland
$344 Roundtrip, found 13 hours ago
$344
Roundtrip
found 13 hours ago
Select United flight, departing Sat, Nov 22 from Sioux City to Portland, returning Tue, Dec 9, priced at $344 found 13 hours ago
United
Thu, Feb 26 - Tue, Mar 17
SUX
Sioux City
PDX
Portland
$349 Roundtrip, found 5 days ago
$349
Roundtrip
found 5 days ago
Select United flight, departing Thu, Feb 26 from Sioux City to Portland, returning Tue, Mar 17, priced at $349 found 5 days ago
United
Thu, Nov 20 - Fri, Nov 28
SUX
Sioux City
PDX
Portland
$357 Roundtrip, found 6 days ago
$357
Roundtrip
found 6 days ago
Select United flight, departing Thu, Nov 20 from Sioux City to Portland, returning Fri, Nov 28, priced at $357 found 6 days ago
United
Tue, Dec 30 - Sun, Jan 11
SUX
Sioux City
PDX
Portland
$359 Roundtrip, found 13 hours ago
$359
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Dec 30 from Sioux City to Portland, returning Sun, Jan 11, priced at $359 found 13 hours ago
United
Fri, Feb 27 - Tue, Mar 17
SUX
Sioux City
PDX
Portland
$364 Roundtrip, found 5 days ago
$364
Roundtrip
found 5 days ago
Select United flight, departing Fri, Feb 27 from Sioux City to Portland, returning Tue, Mar 17, priced at $364 found 5 days ago

Find the cheapest month to fly from Sioux City (SUX) to Portland (PDX)

August is typically the cheapest month to fly

From $253 - $589 per traveler.

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $510
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $510
Flights from Sioux City (SUX) to Portland (PDX)
Origin airport
Sioux Gateway
Destination airport
Portland Intl.
Airlines serving
United
Roundtrip price
$253
Distance
1315 mi

Sioux City to Portland Flights

The cheapest times to fly from Sioux City to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sioux City to Portland are during the month of November. You can find some of the cheapest flights from Sioux City to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sioux City to Portland

Sunday is one of the best days to book for cheap flights from Sioux City to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sioux City to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sioux City to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $201 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sioux City to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sioux City to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sioux Gateway Airport (SUX) to Portland Intl. Airport (PDX) cost?
Lock in a cheap one-way flight from $201 or cheap return flight from $254 from Sioux Gateway Airport (SUX) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sioux Gateway Airport (SUX) to Portland Intl. Airport (PDX)?
Planning your getaway for November is a great way to save, as it's the cheapest month for flights between SUX and PDX. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Sioux Gateway Airport (SUX) to Portland Intl. Airport (PDX)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SUX to PDX flight.
How many flights per day from Sioux Gateway Airport (SUX) to Portland Intl. Airport (PDX)?
You'll need to take a flight with a layover if you're traveling from Sioux Gateway Airport (SUX) to Portland Intl. Airport (PDX). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from SUX to PDX?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sioux Gateway Airport (SUX) to Portland Intl. Airport (PDX)?
Select a flight from Sioux Gateway Airport (SUX) to Portland Intl. Airport (PDX) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sioux Gateway Airport (SUX) to Portland Intl. Airport (PDX) last-minute?
Booking your ticket from SUX to PDX right before your journey is generally more expensive. But if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SUX to PDX flight and hotel package?
Opting for a SUX to PDX flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sioux Gateway Airport (SUX) to Portland Intl. Airport (PDX)?
If you reserved your SUX to PDX flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.