$369+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — PDX
Nov 26 — Dec 31
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Sioux City to PortlandExplore 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 October 27, 2025.
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 October 27, 2025.
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 12/236:54 pmSUX - PDX
1 stop17h 07mUnited Airlines
Sat 12/275:00 amPDX - SUX
1 stop11h 13mUnited Airlines
Deal found 10/27![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/266:54 pmSUX - PDX
1 stop6h 05mUnited Airlines
Tue 12/305:00 amPDX - SUX
1 stop28h 05mUnited Airlines
Deal found 10/26![United Airlines logo]()
$676
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/66:46 pmSUX - PDX
1 stop6h 10mUnited Airlines
Sun 11/95:00 amPDX - SUX
1 stop11h 08mUnited Airlines
Deal found 10/26![United Airlines logo]()
$794
Cheap 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 October 27, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $369 (United Airlines) |
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 October 27, 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 3/3
6:00 am-9:42 am
1 stop5h 42m
Portland
Sat 3/7
5:15 am-5:32 pm
2 stops10h 17m
$369
Sioux CityPortland
SUX - PDX
SUXPDX
Sioux City Sioux Gateway
Tue 12/23
6:54 pm-10:01 am
1 stop17h 07m
Portland
Sat 12/27
5:00 am-6:13 pm
1 stop11h 13m
$643
Sioux CityPortland
SUX - PDX
SUXPDX
Sioux City Sioux Gateway
Fri 12/26
6:54 pm-10:59 pm
1 stop6h 05m
Portland
Tue 12/30
5:00 am-11:05 am
1 stop28h 05m
$676
Sioux CityPortland
SUX - PDX
SUXPDX
Sioux City Sioux Gateway
Thu 11/6
6:46 pm-10:56 pm
1 stop6h 10m
Portland
Sun 11/9
5:00 am-6:08 pm
1 stop11h 08m
$794
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- 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 $269). 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 October 27, 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.
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