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Cheap flights from Oregon to Sioux City from $254

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Sioux City departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Oregon to Sioux City

Cheap round-trip flights

United Airlines Logo
10:55 am - 6:13 pmPDX-SUX
5h 18m1 stop
United Airlines Logo
7:49 am - 3:25 pmSUX-PDX
9h 36m1 stop
$254United Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21
United Airlines Logo
10:55 am - 6:13 pmPDX-SUX
5h 18m1 stop
United Airlines Logo
6:48 pm - 9:01 pmSUX-PDX
28h 13m1 stop
$535United Airlines
Find Deal
Wed, Aug 27 - Sat, Aug 30
United Airlines Logo
8:35 am - 10:57 pmPDX-SUX
12h 22m2 stops
United Airlines Logo
6:48 pm - 9:01 pmSUX-PDX
28h 13m1 stop
$545United Airlines
Find Deal
Tue, Aug 26 - Sat, Aug 30
United Airlines Logo
8:35 am - 6:13 pmPDX-SUX
7h 38m1 stop
United Airlines Logo
6:48 pm - 12:43 pmSUX-PDX
19h 55m2 stops
$578United Airlines
Find Deal
Wed, Aug 27 - Sat, Aug 30
United Airlines Logo
5:30 am - 6:13 pmPDX-SUX
10h 43m2 stops
United Airlines Logo
6:48 pm - 12:43 pmSUX-PDX
19h 55m2 stops
$583United Airlines
Find Deal
Wed, Aug 27 - Sat, Aug 30
United Airlines Logo
8:35 am - 10:57 pmPDX-SUX
12h 22m2 stops
United Airlines Logo
7:49 am - 8:03 pmSUX-PDX
14h 14m2 stops
$584United Airlines
Find Deal
Tue, Aug 26 - Sat, Aug 30
United Airlines Logo
10:55 am - 10:57 pmPDX-SUX
10h 02m2 stops
United Airlines Logo
6:48 pm - 12:43 pmSUX-PDX
19h 55m2 stops
$639United Airlines
Find Deal
Wed, Aug 27 - Sat, Aug 30
United Airlines Logo
10:55 am - 10:57 pmPDX-SUX
10h 02m2 stops
United Airlines Logo
7:49 am - 8:03 pmSUX-PDX
14h 14m2 stops
$769United Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21

United Airlines flights from Oregon to Sioux City

Our best United Airlines deals on Oregon to Sioux City flight tickets
United Airlines
Sep 18
PDX10:55 amPortland
5h 18m
1 stop
SUX6:13 pmSioux City Sioux Gateway
Sep 21
SUX7:49 amSioux City Sioux Gateway
9h 36m
1 stop
PDX3:25 pmPortland
$254
Find similar
United Airlines
Aug 27
PDX10:55 amPortland
5h 18m
1 stop
SUX6:13 pmSioux City Sioux Gateway
Aug 30
SUX6:48 pmSioux City Sioux Gateway
28h 13m
1 stop
PDX9:01 pmPortland
$535
Find similar
United Airlines
Aug 26
PDX8:35 amPortland
12h 22m
2 stops
SUX10:57 pmSioux City Sioux Gateway
Aug 30
SUX6:48 pmSioux City Sioux Gateway
28h 13m
1 stop
PDX9:01 pmPortland
$545
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 13, 2025.
Use the filters below to find and compare flights from Oregon to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Thu 9/18

10:55 am-6:13 pm

1 stop5h 18m

Sioux City Sioux Gateway

Sun 9/21

7:49 am-3:25 pm

1 stop9h 36m

$254

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Wed 8/27

10:55 am-6:13 pm

1 stop5h 18m

Sioux City Sioux Gateway

Sat 8/30

6:48 pm-9:01 pm

1 stop28h 13m

$535

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Tue 8/26

8:35 am-10:57 pm

2 stops12h 22m

Sioux City Sioux Gateway

Sat 8/30

6:48 pm-9:01 pm

1 stop28h 13m

$545

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Wed 8/27

8:35 am-6:13 pm

1 stop7h 38m

Sioux City Sioux Gateway

Sat 8/30

6:48 pm-12:43 pm

2 stops19h 55m

$578

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Wed 8/27

5:30 am-6:13 pm

2 stops10h 43m

Sioux City Sioux Gateway

Sat 8/30

6:48 pm-12:43 pm

2 stops19h 55m

$583

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Tue 8/26

8:35 am-10:57 pm

2 stops12h 22m

Sioux City Sioux Gateway

Sat 8/30

7:49 am-8:03 pm

2 stops14h 14m

$584

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Wed 8/27

10:55 am-10:57 pm

2 stops10h 02m

Sioux City Sioux Gateway

Sat 8/30

6:48 pm-12:43 pm

2 stops19h 55m

$639

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Thu 9/18

10:55 am-10:57 pm

2 stops10h 02m

Sioux City Sioux Gateway

Sun 9/21

7:49 am-8:03 pm

2 stops14h 14m

$769

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Tue 11/25

11:59 pm-10:59 pm

1 stop21h 00m

$320

PortlandSioux City

PDX - SUX

PDXSUX

Portland

Tue 11/25

3:54 pm-6:08 pm

2 stops24h 14m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

See travel insights to Sioux City from

How to get the cheapest flight ticket from Oregon to Sioux City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Sioux City?

On average, the least expensive day to fly to Sioux City from Oregon is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $421. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Oregon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $596.

Cheap Oregon to Sioux City flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Sioux City

Best Price Found

$320

Fastest flight time

5h 18m

Direct flights

None

Airports in Sioux City

1 airport
The best one-way flight to Sioux City from Oregon in the past 72 hours is $320. The best round-trip flight deal from Oregon to Sioux City found on momondo in the last 72 hours is $254.
The fastest flight from Oregon to Sioux City takes 5h 18m
There are no direct flights from Oregon to Sioux City. Popular non-direct route for this connection is Portland Airport - Sioux City Sioux Gateway Airport.
There is 1 airport near Sioux City: Sioux City Sioux Gateway (SUX)
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  • When did momondo last update prices for flights from Oregon to Sioux City Sioux Gateway Airport?

    Prices for flights from Oregon to Sioux City Sioux Gateway Airport refresh daily.

  • How many operators does momondo search for flights from Oregon to Sioux City Sioux Gateway Airport?

  • How old do you have to be to fly from Oregon to Sioux City Sioux Gateway Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Sioux City Sioux Gateway Airport.

  • What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?

    The travel and health documents you'll need for your trip to Sioux City Sioux Gateway Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sioux City Sioux Gateway Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oregon to Sioux City

Compare and see reviews for airlines that fly from Oregon to Sioux City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $278Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights

Traveling to a place near Sioux City?

Book flights to Sioux City if you plan to visit one of these locations
Norfolk

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Sioux City?

Finding the right flight to Sioux City from Oregon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sioux City quick and easy, saving you time and money.

Can I find flights from Oregon to Sioux City with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sioux City from Oregon which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Oregon to Sioux City?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sioux City from Oregon.

I’m not ready to book a flight from Oregon to Sioux City right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Oregon to Sioux City flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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