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Cheap flights from Sioux City to Oregon from $323

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux City to Oregon departing on 3/2. 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
0 bags

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Find the cheapest flights from Sioux City to Oregon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 9:42 am
SUX
-
PDX
5h 42m
1 stop
United Airlines Logo
3:52 pm - 11:41 pm
PDX
-
SUX
5h 49m
1 stop
$323United Airlines
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
6:10 am - 9:54 am
SUX
-
PDX
5h 44m
1 stop
United Airlines Logo
3:52 pm - 11:41 pm
PDX
-
SUX
5h 49m
1 stop
$331United Airlines
Fri, Mar 20 - Wed, Mar 25
United Airlines Logo
1:00 pm - 10:59 pm
SUX
-
PDX
11h 59m
2 stops
United Airlines Logo
3:52 pm - 11:41 pm
PDX
-
SUX
5h 49m
1 stop
$343United Airlines
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
6:30 pm - 10:59 pm
SUX
-
PDX
6h 29m
1 stop
United Airlines Logo
3:52 pm - 11:41 pm
PDX
-
SUX
5h 49m
1 stop
$354United Airlines
Thu, Mar 5 - Wed, Mar 11
United Airlines Logo
6:30 pm - 10:59 pm
SUX
-
PDX
6h 29m
1 stop
United Airlines Logo
5:05 am - 5:41 pm
PDX
-
SUX
10h 36m
2 stops
$389United Airlines
Thu, Mar 5 - Wed, Mar 11
United Airlines Logo
6:10 am - 9:54 am
SUX
-
PDX
5h 44m
1 stop
United Airlines Logo
6:57 pm - 10:45 am
PDX
-
SUX
13h 48m
1 stop
$402United Airlines
Thu, Mar 19 - Wed, Mar 25
United Airlines Logo
6:10 am - 12:33 pm
SUX
-
PDX
8h 23m
2 stops
United Airlines Logo
6:57 pm - 11:41 pm
PDX
-
SUX
26h 44m
1 stop
$412United Airlines
Thu, Mar 19 - Wed, Mar 25
United Airlines Logo
6:54 pm - 10:38 pm
SUX
-
PDX
5h 44m
1 stop
United Airlines Logo
4:05 pm - 11:42 pm
PDX
-
SUX
5h 37m
1 stop
$415United Airlines
Sun, May 17 - Sun, May 24
United Airlines Logo
6:54 pm - 10:38 pm
SUX
-
PDX
5h 44m
1 stop
United Airlines Logo
8:46 am - 11:42 pm
PDX
-
SUX
12h 56m
2 stops
$420United Airlines
Sun, May 17 - Sun, May 24
United Airlines Logo
12:55 pm - 12:44 am
SUX
-
PDX
13h 49m
2 stops
United Airlines Logo
7:05 pm - 11:42 pm
PDX
-
SUX
26h 37m
1 stop
$437United Airlines
Thu, Apr 23 - Wed, Apr 29

United Airlines flights from Sioux City to Oregon

Our best United Airlines deals on Sioux City to Oregon flight tickets
United Airlines
Mar 2
SUX6:00 amSioux City Sioux Gateway
5h 42m
1 stop
PDX9:42 amPortland
Mar 9
PDX3:52 pmPortland
5h 49m
1 stop
SUX11:41 pmSioux City Sioux Gateway
$323
United Airlines
Mar 20
SUX6:10 amSioux City Sioux Gateway
5h 44m
1 stop
PDX9:54 amPortland
Mar 25
PDX3:52 pmPortland
5h 49m
1 stop
SUX11:41 pmSioux City Sioux Gateway
$331
United Airlines
Mar 2
SUX1:00 pmSioux City Sioux Gateway
11h 59m
2 stops
PDX10:59 pmPortland
Mar 9
PDX3:52 pmPortland
5h 49m
1 stop
SUX11:41 pmSioux City Sioux Gateway
$343

momondo Fare Finder

 
Customize your flight search to find flights from Sioux City to Oregon 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 January 14, 2026.
Use the filters below to find and compare flights from Sioux City to Oregon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Mon 3/2

6:00 am-9:42 am

1 stop5h 42m

Portland

Mon 3/9

3:52 pm-11:41 pm

1 stop5h 49m

$323

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Fri 3/20

6:10 am-9:54 am

1 stop5h 44m

Portland

Wed 3/25

3:52 pm-11:41 pm

1 stop5h 49m

$331

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Mon 3/2

1:00 pm-10:59 pm

2 stops11h 59m

Portland

Mon 3/9

3:52 pm-11:41 pm

1 stop5h 49m

$343

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Thu 3/5

6:30 pm-10:59 pm

1 stop6h 29m

Portland

Wed 3/11

3:52 pm-11:41 pm

1 stop5h 49m

$354

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Thu 3/5

6:30 pm-10:59 pm

1 stop6h 29m

Portland

Wed 3/11

5:05 am-5:41 pm

2 stops10h 36m

$389

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Thu 3/19

6:10 am-9:54 am

1 stop5h 44m

Portland

Wed 3/25

6:57 pm-10:45 am

1 stop13h 48m

$402

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Thu 3/19

6:10 am-12:33 pm

2 stops8h 23m

Portland

Wed 3/25

6:57 pm-11:41 pm

1 stop26h 44m

$412

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Sun 5/17

6:54 pm-10:38 pm

1 stop5h 44m

Portland

Sun 5/24

4:05 pm-11:42 pm

1 stop5h 37m

$415

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Sun 5/17

6:54 pm-10:38 pm

1 stop5h 44m

Portland

Sun 5/24

8:46 am-11:42 pm

2 stops12h 56m

$420

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Thu 4/23

12:55 pm-12:44 am

2 stops13h 49m

Portland

Wed 4/29

7:05 pm-11:42 pm

1 stop26h 37m

$437

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Oregon from

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

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 airlines fly to Oregon?

United Airlines, Southwest and Delta are the top three most popular airlines that fly to Oregon from Sioux City 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 Oregon. Keep in mind that there are 6 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.

Cheap Sioux City to Oregon flight deals and tips

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

Fastest flight time

5h 42m

Direct flights

None
The fastest flight from Sioux City to Oregon takes 5h 42m
There are no direct flights from Sioux City to Oregon. There are no popular flight routes from Sioux City to Oregon.
Search flight deals

  • When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Oregon?

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

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

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

    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 Sioux City Sioux Gateway Airport to Oregon.

  • What documentation or ID do you need to fly to Oregon?

    The required travel and health documents for your Oregon trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oregon. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Sioux City to Oregon

Compare and see reviews for airlines that fly from Sioux City to Oregon with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $273Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sioux City to Oregon. momondo saves you time and could save you money on your trip.

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

All flight searches from Sioux City to Oregon on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Sioux City and Oregon by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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