HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux Falls

$135+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — FSD
May 27 — Jun 31
Wed 5/27
Wed 6/3
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 April 27, 2026.

This United Airlines deal was found by Cheapflights users on 4/25. 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 5/2311:40 pm
PDX
-
FSD
1 stop9h 01m
United Airlines
Sat 5/306:00 am
FSD
-
PDX
1 stop7h 38m
United Airlines
Deal found 4/25$320
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 7/306:38 pm
PDX
-
FSD
1 stop23h 12m
Allegiant Air
Wed 8/52:47 pm
FSD
-
PDX
1 stop29h 21m
Allegiant Air
Deal found 4/26$328
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Thu 5/213:30 pm
PDX
-
FSD
1 stop6h 28m
American Airlines
Sat 5/234:46 pm
FSD
-
PDX
1 stop9h 06m
American Airlines
Deal found 4/24$349
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:00 pm
PDX
-
FSD
1 stop6h 12m
Delta
Tue 7/78:23 am
FSD
-
PDX
2 stops9h 46m
Delta
Deal found 4/24$350
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:31 am
PDX
-
FSD
1 stop7h 45m
Delta
Sun 6/145:00 am
FSD
-
PDX
2 stops7h 39m
Delta
Deal found 4/24$354
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:38 pm
PDX
-
FSD
1 stop6h 51m
United Airlines
Wed 5/206:42 pm
FSD
-
PDX
1 stop7h 13m
United Airlines
Deal found 4/26$370
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/306:37 am
PDX
-
FSD
1 stop8h 18m
American Airlines
Sat 6/275:35 pm
FSD
-
PDX
1 stop7h 18m
American Airlines
Deal found 4/23$373
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/213:30 pm
PDX
-
FSD
1 stop6h 28m
American Airlines
Thu 5/285:35 pm
FSD
-
PDX
1 stop9h 15m
American Airlines
Deal found 4/23$374
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/2812:35 pm
PDX
-
FSD
1 stop25h 05m
Multiple Airlines
Mon 6/111:44 am
FSD
-
PDX
2 stops31h 17m
Multiple Airlines
Deal found 4/22$376
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2812:31 am
PDX
-
FSD
1 stop7h 45m
Delta
Tue 7/78:23 am
FSD
-
PDX
2 stops9h 46m
Delta
Deal found 4/24$379

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 April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$320
(United Airlines)

One-way from

$135
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$408
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. 9% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 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

Thu 6/11

12:31 am-10:16 am

1 stop7h 45m

Sioux Falls Joe Foss Field

Sun 6/14

5:00 am-10:39 am

2 stops7h 39m

$354

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 5/22

3:30 pm-11:58 pm

1 stop6h 28m

Sioux Falls Joe Foss Field

Sun 5/24

5:35 pm-10:51 pm

1 stop7h 16m

$374

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 6/27

3:00 pm-11:12 pm

1 stop6h 12m

Sioux Falls Joe Foss Field

Tue 7/7

1:30 pm-8:15 pm

1 stop8h 45m

$375

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sun 6/28

12:33 am-10:16 am

1 stop7h 43m

Sioux Falls Joe Foss Field

Tue 7/7

8:23 am-4:09 pm

2 stops9h 46m

$379

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Wed 5/6

4:15 pm-11:43 pm

1 stop5h 28m

Sioux Falls Joe Foss Field

Wed 5/13

6:00 am-12:35 pm

2 stops8h 35m

$396

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 5/8

3:10 pm-11:11 pm

1 stop6h 01m

Sioux Falls Joe Foss Field

Tue 5/12

10:56 am-9:18 pm

2 stops12h 22m

$400
Quickest round-trip

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 5/8

12:46 pm-8:20 pm

1 stop5h 34m

Sioux Falls Joe Foss Field

Mon 5/11

6:42 pm-11:55 pm

1 stop7h 13m

$451

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 6/19

6:35 am-7:59 pm

1 stop11h 24m

Sioux Falls Joe Foss Field

Fri 7/3

1:53 pm-8:17 pm

1 stop8h 24m

$459
Cheapest one-way

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 5/7

12:35 pm-3:22 pm

1 stop24h 47m

$135

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Mon 6/15

10:59 pm-4:15 pm

1 stop15h 16m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 13 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 April.
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 33 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 $310). 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?

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 April 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
7.9
Good
8,462 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,462 reviews
Delta
7.9
Good
8,462 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,668 reviews
Delta
7.9
Good
8,462 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,668 reviews
Delta
7.9
Good
8,462 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.6
Fair
2,974 reviews
Delta
7.9
Good
8,462 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    Delta and American Airlines can get you from Portland to Sioux Falls in just under 6h 28m. Your travel time can differ by up to 1h 17m. 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 $170, Frontier will fly you from Portland to Sioux Falls and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $250 and $250, respectively. You may be able to fly from Portland to Sioux Falls for 58% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Portland to Sioux Falls one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $107. American Airlines flights start at $125 while deals on United Airlines start at $125 one-way.

  • 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 $310). 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

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
Yakima to Rapid City flights
Portland to Aberdeen flights

Top 4 airlines flying from Portland to Sioux Falls

Discover the top 4 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 April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$170Average$248FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$250Average$406FlexibilityNo cancel feeOn-time71%
DeltaCheapest$250Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$259Average$436FlexibilityNo 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.