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$289+ Cheap flights from Portland to Sioux Falls (PDX - FSD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — FSD
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$323
Provider with most accurate pricing for Portland-Sioux Falls Joe Foss Field flight deals.
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Provider most trusted by Cheapflights users for Portland-Sioux Falls Joe Foss Field flights.
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From Portland to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 10% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/7. 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.
Fri 2/61:24 pmPDX - FSD
1 stop8h 20mUnited Airlines
Mon 2/96:00 amFSD - PDX
1 stop5h 45mUnited Airlines
Deal found 1/7$289
This Delta deal was found by Cheapflights users on 1/7. 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 2/216:00 amPDX - FSD
1 stop7h 34mDelta
Sat 2/284:19 pmFSD - PDX
1 stop6h 11mDelta
Deal found 1/7$295
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/56:56 pmPDX - FSD
2 stops23h 09mMultiple Airlines
Sun 3/88:43 pmFSD - PDX
1 stop14h 15mMultiple Airlines
Deal found 1/7$307
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/266:56 pmPDX - FSD
2 stops16h 00mMultiple Airlines
Sun 3/111:32 amFSD - PDX
1 stop8h 34mMultiple Airlines
Deal found 1/6$325
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Thu 1/2210:47 amPDX - FSD
1 stop9h 03mUnited Airlines
Sun 1/256:00 amFSD - PDX
1 stop5h 45mUnited Airlines
Deal found 1/7$339
This American Airlines deal was found by Cheapflights users on 1/7. 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 3/2611:59 pmPDX - FSD
1 stop11h 37mAmerican Airlines
Mon 3/302:06 pmFSD - PDX
1 stop12h 09mAmerican Airlines
Deal found 1/7$349
This Delta deal was found by Cheapflights users on 1/7. 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.
Fri 2/611:10 amPDX - FSD
2 stops9h 54mDelta
Mon 2/94:18 pmFSD - PDX
2 stops9h 37mDelta
Deal found 1/7$355
This United Airlines deal was found by Cheapflights users on 1/7. 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 9/911:07 amPDX - FSD
1 stop8h 40mUnited Airlines
Sun 9/136:00 amFSD - PDX
1 stop5h 40mUnited Airlines
Deal found 1/7$356
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Fri 3/2711:59 pmPDX - FSD
1 stop11h 34mAmerican Airlines
Mon 3/307:42 pmFSD - PDX
1 stop17h 06mAmerican Airlines
Deal found 1/7$372

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 January 8, 2026.
Use the filters below to find and compare flights from Portland to Sioux Falls that are best for you.

Fly from

Portland

Fly to

Sioux Falls

Route

Depart

Return

Price

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 3/5

6:56 pm-7:32 pm

1 stop22h 36m

Sioux Falls Joe Foss Field

Sun 3/8

8:43 pm-8:58 am

1 stop14h 15m

$289

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 2/6

1:24 pm-11:44 pm

1 stop8h 20m

Sioux Falls Joe Foss Field

Mon 2/9

6:00 am-9:45 am

1 stop5h 45m

$289

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 2/21

6:00 am-3:34 pm

1 stop7h 34m

Sioux Falls Joe Foss Field

Sat 2/28

4:19 pm-8:30 pm

1 stop6h 11m

$295

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 1/22

10:47 am-9:50 pm

1 stop9h 03m

Sioux Falls Joe Foss Field

Sun 1/25

6:00 am-9:45 am

1 stop5h 45m

$339

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 2/26

11:48 am-11:03 pm

1 stop9h 15m

Sioux Falls Joe Foss Field

Sun 3/1

5:20 pm-11:16 pm

1 stop7h 56m

$344

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 3/26

11:59 pm-1:36 pm

1 stop11h 37m

Sioux Falls Joe Foss Field

Mon 3/30

2:06 pm-12:15 am

1 stop12h 09m

$349

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 2/6

1:53 pm-11:04 pm

1 stop7h 11m

Sioux Falls Joe Foss Field

Mon 2/9

4:18 pm-11:55 pm

2 stops9h 37m

$349

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 3/27

11:59 pm-1:33 pm

1 stop11h 34m

Sioux Falls Joe Foss Field

Mon 3/30

7:42 pm-10:48 am

1 stop17h 06m

$372

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Wed 1/14

6:00 am-3:37 pm

1 stop7h 37m

$469

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Wed 1/14

5:14 am-1:48 pm

1 stop6h 34m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 11 results
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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Sioux Falls flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Sioux Falls. Price data was last updated on January 2, 2026.

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 34 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, May is the cheapest month in which you can book a flight from Portland to Sioux Falls (average of $131). Flying from Portland to Sioux Falls in December is currently the most expensive (average of $418). 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 January 8, 2026.
Read through reviews of airlines operating flights from Portland to Sioux Falls, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,025 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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
8,025 reviews
Delta
7.9
Good
8,025 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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
9,139 reviews
Delta
7.9
Good
8,025 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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
7.2
Good
11,097 reviews
Delta
7.9
Good
8,025 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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
5.7
Fair
3,061 reviews
Delta
7.9
Good
8,025 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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?

    United Airlines and Delta can get you from Portland to Sioux Falls in just under 7h 34m. Your travel time can differ by up to 46m. 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 $130, 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 Delta and American Airlines - these airlines can fly you to your destination from $234 and $259, respectively. You may be able to fly from Portland to Sioux Falls for 66% 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, May is the cheapest month in which you can book a flight from Portland to Sioux Falls (average of $131). Flying from Portland to Sioux Falls in December is currently the most expensive (average of $418). 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

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$248FlexibilityNo cancel feeOn-time62%
DeltaCheapest$238Average$378FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$259Average$408FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$263Average$464FlexibilityNo cancel feeOn-time69%

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