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Sioux City

$344+ Cheap flights from Oregon to Sioux City (SUX)

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SUX
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Oregon to Sioux City

Cheapest flights from Oregon to Sioux City
Explore the most affordable flight options available from Oregon to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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.
Mon 12/295:12 pmBOI - SUX
1 stop24h 01mUnited Airlines
Fri 1/26:54 pmSUX - BOI
1 stop16h 07mUnited Airlines
Deal found 12/14$780

Find flight deals from Oregon to Sioux City

Keep the following information in mind while searching for Oregon to Sioux City flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$344
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$572
Provider with most accurate pricing for Portland-Sioux City Sioux Gateway flight deals.
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Provider most trusted by Cheapflights users for Portland-Sioux City Sioux Gateway flights.
Search Deals
From Oregon to Sioux City Sioux Gateway
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon 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 December 15, 2025.
Use the filters below to find and compare flights from Oregon to Sioux City that are best for you.

Fly from

Oregon

Fly to

Sioux City

Route

Depart

Return

Price

BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Fri 1/23

8:15 am-5:28 pm

1 stop8h 13m

Sioux City Sioux Gateway

Tue 1/27

6:00 am-10:06 am

1 stop5h 06m

$344

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Wed 1/7

3:45 pm-11:47 pm

1 stop6h 02m

Sioux City Sioux Gateway

Sat 1/10

6:00 am-9:45 am

1 stop5h 45m

$354

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Tue 4/21

4:20 pm-11:42 pm

1 stop5h 22m

Sioux City Sioux Gateway

Thu 4/23

6:30 pm-12:19 pm

3 stops43h 49m

$661

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Tue 4/7

11:59 pm-5:32 pm

1 stop15h 33m

Sioux City Sioux Gateway

Thu 4/9

12:45 pm-6:54 pm

1 stop8h 09m

$663

BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Mon 12/29

5:12 pm-6:13 pm

1 stop24h 01m

Sioux City Sioux Gateway

Fri 1/2

6:54 pm-10:01 am

1 stop16h 07m

$780

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Sat 12/27

9:00 am-11:15 pm

2 stops12h 15m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Best time to book a flight from Oregon to Sioux City

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

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

Currently, February is the cheapest month in which you can book a flight from Oregon to Sioux City (average of $120). Flying from Oregon to Sioux City in December is currently the most expensive (average of $339). 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 OR to SUX?

Find hourly flight availability from Oregon to Sioux City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 46% on flights from Oregon to Sioux City by exploring options for tickets in the morning.

Related info for your journey

Find useful and relevant information for your journey from Oregon 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 Oregon?

    Sioux City Sioux Gateway (SUX), located 7.0 mi from the city center, is the airport you fly into when you book flights from Oregon to Sioux City.

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

    A quick flight from Oregon to Sioux City can take about 8h 13m. United Airlines provides one of the quickest options available for as low as $344. Airlines will cover a distance of 1003 mi.

  • What are the most popular routes from Oregon to Sioux City?

    The most popular route from Oregon to Sioux City is Portland - Sioux City Sioux Gateway. You may also consider Boise Air Term. Gowen Fld - Sioux City Sioux Gateway or Yakima Air Terminal - Sioux City Sioux Gateway.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Oregon to Sioux City (average of $120). Flying from Oregon to Sioux City in December is currently the most expensive (average of $339). 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

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Top airline flying from Oregon to Sioux City

Discover the top airline that operate flights from Oregon 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$494FlexibilityNo cancel feeOn-time69%

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