HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux Falls

$179+ Cheap flights from Portland to Sioux Falls (PDX - FSD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — FSD
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Sioux Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portland to Sioux Falls

Cheapest flights from Portland to Sioux Falls
Explore the most affordable flight options available from Portland to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This CheapOair deal was found by Cheapflights users on 7/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm
PDX
-
FSD
1 stop5h 41m
Frontier
Mon 9/78:56 pm
FSD
-
PDX
1 stop22h 15m
Frontier
Deal found 7/27$250
This CheapOair deal was found by Cheapflights users on 7/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:38 pm
PDX
-
FSD
1 stop5h 29m
Frontier
Sat 10/107:31 pm
FSD
-
PDX
1 stop23h 04m
Frontier
Deal found 7/26$275
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:24 pm
PDX
-
FSD
1 stop20h 36m
Multiple Airlines
Fri 10/167:31 pm
FSD
-
PDX
1 stop23h 04m
Multiple Airlines
Deal found 7/26$288
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:24 pm
PDX
-
FSD
1 stop20h 36m
Multiple Airlines
Mon 10/197:31 pm
FSD
-
PDX
1 stop23h 04m
Multiple Airlines
Deal found 7/26$290
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:24 pm
PDX
-
FSD
1 stop20h 36m
Multiple Airlines
Sat 10/177:31 pm
FSD
-
PDX
1 stop23h 04m
Multiple Airlines
Deal found 7/26$299
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am
PDX
-
FSD
1 stop8h 20m
American Airlines
Sat 9/265:59 pm
FSD
-
PDX
1 stop7h 24m
American Airlines
Deal found 7/26$301
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 9/54:07 pm
PDX
-
FSD
1 stop5h 37m
United Airlines
Sat 9/129:35 am
FSD
-
PDX
2 stops10h 50m
United Airlines
Deal found 7/27$306
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:24 pm
PDX
-
FSD
1 stop21h 02m
Multiple Airlines
Mon 10/197:31 pm
FSD
-
PDX
1 stop23h 04m
Multiple Airlines
Deal found 7/26$317
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:15 am
PDX
-
FSD
1 stop6h 25m
American Airlines
Thu 9/105:55 pm
FSD
-
PDX
1 stop7h 28m
American Airlines
Deal found 7/26$320

Find flight deals from Portland to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Sioux Falls (FSD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$250
(CheapOair)

One-way from

$179
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$479
Provider with most accurate pricing for Portland-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Sioux Falls Joe Foss Field flights.
Search Deals
From Portland to Sioux Falls Joe Foss Field
Search Deals
One-way flight from Portland to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Sioux Falls 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 July 27, 2026.
Use the filters below to find and compare flights from Portland to Sioux Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 9/5

8:17 am-5:58 pm

1 stop7h 41m

Sioux Falls Joe Foss Field

Sat 9/12

9:35 am-1:14 pm

1 stop5h 39m

$301
Quickest round-trip

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Tue 12/1

3:10 pm-10:51 pm

1 stop5h 41m

Sioux Falls Joe Foss Field

Sat 12/5

8:15 am-12:29 pm

1 stop6h 14m

$301

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 10/2

4:07 pm-11:44 pm

1 stop5h 37m

Sioux Falls Joe Foss Field

Sat 10/17

6:00 am-2:27 pm

2 stops10h 27m

$325

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Tue 12/1

4:05 pm-10:56 pm

1 stop4h 51m

Sioux Falls Joe Foss Field

Sat 12/5

1:45 pm-8:33 pm

2 stops8h 48m

$360

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 9/19

2:27 pm-11:12 pm

1 stop6h 45m

Sioux Falls Joe Foss Field

Wed 9/23

6:00 am-9:32 am

1 stop5h 32m

$391

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 9/19

2:27 pm-11:12 pm

1 stop6h 45m

Sioux Falls Joe Foss Field

Sat 9/26

9:42 am-9:00 pm

2 stops13h 18m

$396
Cheapest one-way

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 8/13

12:35 am-10:20 am

1 stop7h 45m

$329

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 8/14

9:00 am-8:07 pm

2 stops9h 07m

$334

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 8/1

12:20 pm-7:50 pm

3 stops53h 30m

$419
Quickest one-way

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sun 8/9

4:15 pm-11:53 pm

1 stop5h 38m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Portland to Sioux Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Sioux Falls in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Sioux Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Sioux Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Portland 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 Portland to Sioux Falls

How far ahead should I book a flight from Portland to Sioux Falls?

The price you pay for your flight from Portland to Sioux Falls may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Portland to Sioux Falls?

Currently, February is the cheapest month in which you can book a flight from Portland to Sioux Falls (average of $325). Flying from Portland to Sioux Falls in December is currently the most expensive (average of $564). 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.

How much does it cost to fly round-trip from Portland to Sioux Falls?

Airfare is below average for this route at the moment.

Portland to Sioux Falls flights typically cost between $328 and $488 in September.
The cheapest round-trip price found within the last 5 days was $250 on Frontier (Sep 4-Sep 7).

Reviews of airlines servicing Sioux Falls

Get insights into the airlines that provide service to Sioux Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux Falls. Reviews last updated July 27, 2026.
Read through reviews of airlines operating flights from Portland to Sioux Falls, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,482 reviews

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,482 reviews
Delta
7.8
Good
8,482 reviews

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,041 reviews
Delta
7.8
Good
8,482 reviews

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,836 reviews
Delta
7.8
Good
8,482 reviews

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Portland to Sioux Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Sioux Falls?

    United Airlines and Delta can get you from Portland to Sioux Falls in just under 5h 41m. Your travel time can differ by up to 2h. Airlines will cover a distance of 1273 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Portland to Sioux Falls round-trip?

    Currently priced at $250, American Airlines will fly you from Portland to Sioux Falls and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $250 and $259, respectively. You may be able to fly from Portland to Sioux Falls for 41% less than the average price by searching for these airlines.

  • Can I find deals for flights from Portland to Sioux Falls that include hotel bookings?

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

  • How can I find direct flights from Portland to Sioux Falls?

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

  • Can I find deals for business class flights from Portland to Sioux Falls?

    Yes. Cheapflights offers flight deals from Portland to Sioux Falls 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 Portland to Sioux Falls?

    Currently, February is the cheapest month in which you can book a flight from Portland to Sioux Falls (average of $325). Flying from Portland to Sioux Falls in December is currently the most expensive (average of $564). 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

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Marshall
Yankton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Sioux Falls

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Rapid City flights
Boise to Sioux Falls flights
Boise to Rapid City flights
Medford to Rapid City flights
Portland to Aberdeen flights
Yakima to Rapid City flights

Top 3 airlines flying from Portland to Sioux Falls

Discover the top 3 airlines that operate flights from Portland to Sioux Falls. 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$250Average$420FlexibilityNo cancel feeOn-time71%
DeltaCheapest$250Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$259Average$425FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.