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$115+ 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 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Sioux Falls Joe Foss Field are usually found in August or January, booked 86 days in advance, depart on a Tuesday or Saturday and return on a Friday

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 July 29, 2025.

Round-trip from

$228
(Frontier)

One-way from

$115
(Frontier)

Popular in

December

Cheapest in

August

Average price

$410
From Portland to Sioux Falls Joe Foss Field
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One-way flight from Portland to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 29, 2025.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/306:35 amPDX - FSD
1 stop10h 19mFrontier
Wed 8/67:48 pmFSD - PDX
1 stop5h 36mFrontier
Deal found 7/26$218
This American Airlines deal was found by Cheapflights users on 7/28. 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 10/315:29 amPDX - FSD
1 stop9h 04mAmerican Airlines
Sat 11/85:30 amFSD - PDX
1 stop9h 06mAmerican Airlines
Deal found 7/28$230
This Delta deal was found by Cheapflights users on 7/28. 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 10/315:20 amPDX - FSD
2 stops11h 59mDelta
Sat 11/81:35 pmFSD - PDX
1 stop5h 52mDelta
Deal found 7/28$243
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/201:45 pmPDX - FSD
2 stops7h 55mUnited Airlines
Sun 8/246:00 amFSD - PDX
1 stop5h 28mUnited Airlines
Deal found 7/29$337

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 29, 2025.
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

Wed 8/13

6:35 am-6:54 pm

1 stop10h 19m

Sioux Falls Joe Foss Field

Sun 8/17

2:57 pm-12:16 am

1 stop11h 19m

$228

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 10/31

5:29 am-4:33 pm

1 stop9h 04m

Sioux Falls Joe Foss Field

Sat 11/8

5:30 am-12:36 pm

1 stop9h 06m

$230

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 10/31

5:20 am-7:19 pm

2 stops11h 59m

Sioux Falls Joe Foss Field

Sat 11/8

1:35 pm-5:27 pm

1 stop5h 52m

$243

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Wed 8/20

1:45 pm-11:40 pm

2 stops7h 55m

Sioux Falls Joe Foss Field

Sun 8/24

6:00 am-9:28 am

1 stop5h 28m

$337

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Wed 8/13

6:35 am-6:54 pm

1 stop10h 19m

$115

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 9/18

8:04 pm-11:23 am

1 stop13h 19m

$118

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Tue 9/30

5:16 am-2:15 pm

1 stop6h 59m

$126

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Tue 9/30

8:35 am-10:22 pm

2 stops11h 47m

$131

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Mon 10/6

12:50 am-10:06 am

1 stop7h 16m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 July 25, 2025.

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 85 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, September is the cheapest month in which you can book a flight from Portland to Sioux Falls (average of $334). Flying from Portland to Sioux Falls in December is currently the most expensive (average of $446). 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.

What is the cheapest time of day to fly from PDX to FSD?

Find hourly flight availability from Portland to Sioux Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

It’s typically best to fly out from Portland to Sioux Falls in the evening. Doing so could potentially save you 26% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Portland to Sioux Falls?

Use this chart to determine the cheapest time to fly round-trip from Portland to Sioux Falls. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Sioux Falls flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 29, 2025.
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
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,238 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Currently priced at $228, 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 $230 and $243, respectively. You may be able to fly from Portland to Sioux Falls for 43% 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 $115. American Airlines flights start at $126 while deals on United Airlines start at $131 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, September is the cheapest month in which you can book a flight from Portland to Sioux Falls (average of $334). Flying from Portland to Sioux Falls in December is currently the most expensive (average of $446). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Portland to Sioux Falls

Discover the top 5 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$247FlexibilityNo cancel feeOn-time62%
DeltaCheapest$238Average$378FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$257Average$533FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$259Average$396FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$293Average$500FlexibilityNo cancel feeOn-time69%

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