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Cheap flights from Oregon to Sioux City from $374

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Sioux City departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:30 am - 5:53 pmPDX  Portland-SUX Sioux City Sioux Gateway
7h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
6:58 pm - 10:53 pmSUX  Sioux City Sioux Gateway-PDX Portland
5h 55m1 stop Denver Intl
$400United Airlines
Thu, Oct 1 - Mon, Oct 5
United Airlines Logo
5:44 pm - 11:43 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
4h 59m1 stop Denver Intl
United Airlines Logo
6:45 pm - 10:59 pmSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
5h 14m1 stop Denver Intl
$404United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:00 am - 10:55 amBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
4h 55m1 stop Denver Intl
United Airlines Logo
11:30 am - 5:58 pmSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
7h 28m1 stop Denver Intl
$404United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
7:02 am - 5:53 pmPDX  Portland-SUX Sioux City Sioux Gateway
8h 51m1 stop Chicago O'Hare Intl
United Airlines Logo
11:30 am - 5:50 pmSUX  Sioux City Sioux Gateway-PDX Portland
8h 20m1 stop Denver Intl
$414United Airlines
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
5:00 am - 10:55 amBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
4h 55m1 stop Denver Intl
United Airlines Logo
11:30 am - 7:24 pmSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
8h 54m2 stops Denver Intl San Francisco
$414United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
12:00 pm - 11:43 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
10h 43m2 stops San Francisco Denver Intl
United Airlines Logo
6:45 pm - 10:59 pmSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
5h 14m1 stop Denver Intl
$414United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
7:02 am - 5:53 pmPDX  Portland-SUX Sioux City Sioux Gateway
8h 51m1 stop Chicago O'Hare Intl
United Airlines Logo
11:30 am - 10:45 pmSUX  Sioux City Sioux Gateway-PDX Portland
13h 15m2 stops Denver Intl San Francisco
$424United Airlines
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
5:00 am - 5:53 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
11h 53m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
11:30 am - 9:24 pmSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
10h 54m2 stops Denver Intl San Francisco
$459United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
5:00 am - 5:53 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
11h 53m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
11:30 am - 9:24 pmSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
10h 54m2 stops Denver Intl San Francisco
$469United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
5:44 pm - 11:43 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
4h 59m1 stop Denver Intl
United Airlines Logo
8:00 am - 6:03 pmSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
11h 03m2 stops Chicago O'Hare Intl Denver Intl
$491United Airlines
Sat, Nov 14 - Tue, Nov 17

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United Airlines flights from Oregon to Sioux City

Our best United Airlines deals on Oregon to Sioux City flight tickets
United Airlines
Sep 1
BOI5:00 amBoise Air Term. Gowen Fld
4h 55m
1 stop
SUX10:55 amSioux City Sioux Gateway
Sep 5
SUX11:30 amSioux City Sioux Gateway
7h 28m
1 stop
BOI5:58 pmBoise Air Term. Gowen Fld
$404
United Airlines
Oct 5
PDX4:07 pmPortland
5h 36m
1 stop
SUX11:43 pmSioux City Sioux Gateway
Oct 8
SUX6:58 pmSioux City Sioux Gateway
5h 55m
1 stop
PDX10:53 pmPortland
$407
United Airlines
Sep 2
PDX7:02 amPortland
8h 51m
1 stop
SUX5:53 pmSioux City Sioux Gateway
Sep 5
SUX11:30 amSioux City Sioux Gateway
8h 20m
1 stop
PDX5:50 pmPortland
$414

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 10, 2026.
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

Cheapest round-trip

PortlandSioux City

PDX Portland - SUX Sioux City Sioux Gateway

PDXSUX

Portland

Thu 10/1

8:30 am-5:53 pm

1 stop7h 23m

Sioux City Sioux Gateway

Mon 10/5

6:58 pm-10:53 pm

1 stop5h 55m

$400
Quickest round-trip

BoiseSioux City

BOI Boise Air Term. Gowen Fld - SUX Sioux City Sioux Gateway

BOISUX

Boise Air Term. Gowen Fld

Sat 11/14

5:44 pm-11:43 pm

1 stop4h 59m

Sioux City Sioux Gateway

Tue 11/17

6:45 pm-10:59 pm

1 stop5h 14m

$404

BoiseSioux City

BOI Boise Air Term. Gowen Fld - SUX Sioux City Sioux Gateway

BOISUX

Boise Air Term. Gowen Fld

Tue 9/1

5:00 am-10:55 am

1 stop4h 55m

Sioux City Sioux Gateway

Sat 9/5

11:30 am-5:58 pm

1 stop7h 28m

$404

PortlandSioux City

PDX Portland - SUX Sioux City Sioux Gateway

PDXSUX

Portland

Wed 9/2

7:02 am-5:53 pm

1 stop8h 51m

Sioux City Sioux Gateway

Sat 9/5

11:30 am-5:50 pm

1 stop8h 20m

$414

BoiseSioux City

BOI Boise Air Term. Gowen Fld - SUX Sioux City Sioux Gateway

BOISUX

Boise Air Term. Gowen Fld

Tue 9/1

5:00 am-10:55 am

1 stop4h 55m

Sioux City Sioux Gateway

Sat 9/5

11:30 am-7:24 pm

2 stops8h 54m

$414

BoiseSioux City

BOI Boise Air Term. Gowen Fld - SUX Sioux City Sioux Gateway

BOISUX

Boise Air Term. Gowen Fld

Sat 11/14

12:00 pm-11:43 pm

2 stops10h 43m

Sioux City Sioux Gateway

Tue 11/17

6:45 pm-10:59 pm

1 stop5h 14m

$414

PortlandSioux City

PDX Portland - SUX Sioux City Sioux Gateway

PDXSUX

Portland

Wed 9/2

7:02 am-5:53 pm

1 stop8h 51m

Sioux City Sioux Gateway

Sat 9/5

11:30 am-10:45 pm

2 stops13h 15m

$424

BoiseSioux City

BOI Boise Air Term. Gowen Fld - SUX Sioux City Sioux Gateway

BOISUX

Boise Air Term. Gowen Fld

Tue 9/1

5:00 am-5:53 pm

2 stops11h 53m

Sioux City Sioux Gateway

Sat 9/5

11:30 am-9:24 pm

2 stops10h 54m

$459

BoiseSioux City

BOI Boise Air Term. Gowen Fld - SUX Sioux City Sioux Gateway

BOISUX

Boise Air Term. Gowen Fld

Tue 9/1

5:00 am-5:53 pm

2 stops11h 53m

Sioux City Sioux Gateway

Sat 9/5

11:30 am-9:24 pm

2 stops10h 54m

$469

BoiseSioux City

BOI Boise Air Term. Gowen Fld - SUX Sioux City Sioux Gateway

BOISUX

Boise Air Term. Gowen Fld

Sat 11/14

5:44 pm-11:43 pm

1 stop4h 59m

Sioux City Sioux Gateway

Tue 11/17

8:00 am-6:03 pm

2 stops11h 03m

$491

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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 airline that flies from Oregon to Sioux City Sioux Gateway?

United Airlines is the most popular carrier operating from Oregon to Sioux City Sioux Gateway

What airlines fly to Sioux City?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Sioux City from Oregon according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Sioux City. Keep in mind that there are 6 different airlines that fly to Sioux City on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

4h 55m

Direct flights

None
The fastest flight from Oregon to Sioux City takes 4h 55m
There are no direct flights from Oregon to Sioux City. There are no popular flight routes from Oregon to Sioux City.
Search flight deals

Frequently asked questions about flying from Oregon to Sioux City

  • 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 $268Free CancellationRating
7.4
10,099 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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