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Cheap flights from Sioux City to Portland from $409

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 Portland departing on 4/23. 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

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Find the cheapest flights from Sioux City to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 12:25 pm
SUX
-
PDX
8h 25m
2 stops
United Airlines Logo
4:15 pm - 11:44 pm
PDX
-
SUX
5h 29m
1 stop
$409United Airlines
Thu, Apr 23 - Sun, Apr 26
United Airlines Logo
12:55 pm - 6:34 pm
SUX
-
PDX
7h 39m
1 stop
United Airlines Logo
4:15 pm - 11:44 pm
PDX
-
SUX
5h 29m
1 stop
$539United Airlines
Thu, Apr 23 - Sun, Apr 26
United Airlines Logo
6:00 am - 9:38 am
SUX
-
PDX
5h 38m
1 stop
United Airlines Logo
11:16 am - 11:44 pm
PDX
-
SUX
10h 28m
2 stops
$544United Airlines
Sun, May 17 - Sun, May 24
United Airlines Logo
6:30 pm - 11:03 pm
SUX
-
PDX
6h 33m
1 stop
United Airlines Logo
4:15 pm - 10:57 am
PDX
-
SUX
16h 42m
1 stop
$555United Airlines
Mon, Jul 20 - Fri, Jul 24
United Airlines Logo
6:00 am - 9:38 am
SUX
-
PDX
5h 38m
1 stop
United Airlines Logo
4:15 pm - 11:44 pm
PDX
-
SUX
5h 29m
1 stop
$579United Airlines
Sun, May 17 - Sun, May 24
United Airlines Logo
6:00 am - 9:38 am
SUX
-
PDX
5h 38m
1 stop
United Airlines Logo
11:16 am - 11:44 pm
PDX
-
SUX
10h 28m
2 stops
$585United Airlines
Sun, May 17 - Sun, May 24
United Airlines Logo
6:42 pm - 9:38 am
SUX
-
PDX
16h 56m
1 stop
United Airlines Logo
4:15 pm - 11:44 pm
PDX
-
SUX
5h 29m
1 stop
$595United Airlines
Sun, May 17 - Sun, May 24
United Airlines Logo
6:00 am - 9:48 am
SUX
-
PDX
5h 48m
1 stop
United Airlines Logo
5:00 am - 10:46 am
PDX
-
SUX
27h 46m
1 stop
$615United Airlines
Fri, Apr 24 - Tue, Apr 28
United Airlines Logo
6:30 pm - 11:03 pm
SUX
-
PDX
6h 33m
1 stop
United Airlines Logo
1:14 pm - 10:57 am
PDX
-
SUX
19h 43m
2 stops
$620United Airlines
Mon, Jul 20 - Fri, Jul 24
United Airlines Logo
6:00 am - 9:38 am
SUX
-
PDX
5h 38m
1 stop
United Airlines Logo
11:16 am - 5:54 pm
PDX
-
SUX
28h 38m
3 stops
$642United Airlines
Sun, May 17 - Sun, May 24

United Airlines flights from Sioux City to Portland

Our best United Airlines deals on Sioux City to Portland flight tickets
United Airlines
Apr 23
SUX6:00 amSioux City Sioux Gateway
8h 25m
2 stops
PDX12:25 pmPortland
Apr 26
PDX4:15 pmPortland
5h 29m
1 stop
SUX11:44 pmSioux City Sioux Gateway
$409
United Airlines
Apr 23
SUX12:55 pmSioux City Sioux Gateway
7h 39m
1 stop
PDX6:34 pmPortland
Apr 26
PDX4:15 pmPortland
5h 29m
1 stop
SUX11:44 pmSioux City Sioux Gateway
$539
United Airlines
May 17
SUX6:00 amSioux City Sioux Gateway
5h 38m
1 stop
PDX9:38 amPortland
May 24
PDX11:16 amPortland
10h 28m
2 stops
SUX11:44 pmSioux City Sioux Gateway
$544

momondo 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, momondo users made 832,500 searches. Data last updated April 13, 2026.
Use the filters below to find and compare flights from Sioux City to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Thu 4/23

6:00 am-12:25 pm

2 stops8h 25m

Portland

Sun 4/26

4:15 pm-11:44 pm

1 stop5h 29m

$409

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Thu 4/23

12:55 pm-6:34 pm

1 stop7h 39m

Portland

Sun 4/26

4:15 pm-11:44 pm

1 stop5h 29m

$539

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Sun 5/17

6:00 am-9:38 am

1 stop5h 38m

Portland

Sun 5/24

11:16 am-11:44 pm

2 stops10h 28m

$544

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Mon 7/20

6:30 pm-11:03 pm

1 stop6h 33m

Portland

Fri 7/24

4:15 pm-10:57 am

1 stop16h 42m

$555
Quickest round-trip

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Sun 5/17

6:00 am-9:38 am

1 stop5h 38m

Portland

Sun 5/24

4:15 pm-11:44 pm

1 stop5h 29m

$579

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Sun 5/17

6:00 am-9:38 am

1 stop5h 38m

Portland

Sun 5/24

11:16 am-11:44 pm

2 stops10h 28m

$585

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Sun 5/17

6:42 pm-9:38 am

1 stop16h 56m

Portland

Sun 5/24

4:15 pm-11:44 pm

1 stop5h 29m

$595

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Fri 4/24

6:00 am-9:48 am

1 stop5h 48m

Portland

Tue 4/28

5:00 am-10:46 am

1 stop27h 46m

$615

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Mon 7/20

6:30 pm-11:03 pm

1 stop6h 33m

Portland

Fri 7/24

1:14 pm-10:57 am

2 stops19h 43m

$620

Sioux CityPortland

SUX - PDX

SUXPDX

Sioux City Sioux Gateway

Sun 5/17

6:00 am-9:38 am

1 stop5h 38m

Portland

Sun 5/24

11:16 am-5:54 pm

3 stops28h 38m

$642

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Portland from

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

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 Portland?

United Airlines, Southwest and Delta are the top three most popular airlines that fly to Portland from Sioux City according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 6 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

When to book flights from Sioux City to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux City to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux City to Portland (SUX to PDX) flight deals and tips

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

Fastest flight time

5h 38m

Direct flights

None
The fastest flight from Sioux City to Portland takes 5h 38m
There are no direct flights from Sioux City to Portland. There are no popular flight routes from Sioux City to Portland.
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Frequently asked questions about flying from Sioux City to Portland

  • How far is Sioux City Sioux Gateway to Portland by plane?

    The straight-line distance from Sioux City Sioux Gateway to Portland is 1315.3 mi. By plane, this route typically takes 5h 38m.

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

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

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

  • How old do you have to be to fly from Sioux City Sioux Gateway Airport to Portland 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 Sioux City Sioux Gateway Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sioux City to Portland?

Best airlines flying from Sioux City to Portland

Compare and see reviews for airlines that fly from Sioux City to Portland with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $273Free CancellationRating
7.4
9,579 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Rockaway Beach
Beaverton
Depoe Bay
Hillsboro
Tigard
Longview
Hood River
Newberg
Troutdale
McMinnville
Manzanita
The Dalles
Pacific City

Why use momondo?

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

It is quick and easy to find Sioux City to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

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

Yes. momondo enables you to select and highlight flights to Portland from Sioux City with this policy.

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

Once you have performed a search for Sioux City to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Sioux City to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

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