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South Dakota

$115+ Cheap flights from Portland (PDX) to South Dakota

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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Cheap flight deals from Portland to South Dakota

Keep the following information in mind while searching for Portland to South Dakota flight deals. Data was 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 South Dakota
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One-way flight from Portland to South Dakota
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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 South Dakota

Cheapest flights from Portland to South Dakota
Explore the most affordable flight options available from Portland to South Dakota. 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 American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:40 amPDX - RAP
1 stop7h 23mAmerican Airlines
Wed 10/295:32 amRAP - PDX
1 stop8h 29mAmerican Airlines
Deal found 7/27$259
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/124:16 pmPDX - RAP
1 stop4h 44mUnited Airlines
Sat 8/164:38 pmRAP - PDX
1 stop6h 38mUnited Airlines
Deal found 7/28$289
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 10/2412:50 amPDX - RAP
1 stop8h 03mDelta
Wed 10/296:05 amRAP - PDX
1 stop7h 36mDelta
Deal found 7/28$333
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 South Dakota 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 South Dakota that are best for you.

Fly from

Portland

Fly to

South Dakota

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

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sat 10/25

5:29 am-4:03 pm

1 stop9h 34m

Rapid City

Wed 10/29

5:32 am-1:01 pm

1 stop8h 29m

$259

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 8/12

4:16 pm-10:00 pm

1 stop4h 44m

Rapid City

Sat 8/16

4:38 pm-10:16 pm

1 stop6h 38m

$289

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Fri 10/24

12:50 am-9:53 am

1 stop8h 03m

Rapid City

Wed 10/29

6:05 am-11:01 am

1 stop5h 56m

$333

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 17 results
1
2

Best time to book a flight from Portland to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota 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 South Dakota

What is the cheapest month to book a flight from Portland to South Dakota?

Currently, September is the cheapest month in which you can book a flight from Portland to South Dakota (average of $334). Flying from Portland to South Dakota 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 SD?

Find hourly flight availability from Portland to South Dakota. 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.

When flying from Portland to South Dakota, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Portland to South Dakota?

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Portland to South Dakota by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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!
Sun Country Air
6.9
Okay
333 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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 South Dakota. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to South Dakota?

    For a flight from Portland to South Dakota, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city.

  • What are the cheapest airlines to fly from Portland to South Dakota one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $115. Users have also found prices from $126 and $131 on American Airlines and United Airlines, respectively.

  • What are the most popular routes from Portland to South Dakota?

    While some choose either Portland - Sioux Falls Joe Foss Field or Portland - Aberdeen, Portland - Rapid City is the most popular route from Portland to South Dakota.

  • Can I find deals for flights from Portland to South Dakota that include hotel bookings?

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

  • How can I find direct flights from Portland to South Dakota?

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

  • Can I find deals for business class flights from Portland to South Dakota?

    Yes. Cheapflights offers flight deals from Portland to South Dakota 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 South Dakota?

    Currently, September is the cheapest month in which you can book a flight from Portland to South Dakota (average of $334). Flying from Portland to South Dakota 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

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Alternative routes for Portland to South Dakota

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Top 5 airlines flying from Portland to South Dakota

Discover the top 5 airlines that operate flights from Portland to South Dakota. 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$540FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$257Average$533FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$259Average$424FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$293Average$459FlexibilityNo cancel feeOn-time69%

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