South Dakota

$132+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — RAP
Jun 7 — Jun 141
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to South Dakota 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 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 May 8, 2026.

This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:20 pm
PDX
-
FSD
1 stop23h 59m
Frontier
Fri 6/268:14 pm
FSD
-
PDX
1 stop22h 43m
Frontier
Deal found 5/6$280
This American Airlines deal was found by Cheapflights users on 5/5. 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 9/123:47 pm
PDX
-
FSD
1 stop6h 05m
American Airlines
Tue 9/156:00 pm
FSD
-
PDX
1 stop6h 50m
American Airlines
Deal found 5/5$291
This Delta deal was found by Cheapflights users on 5/7. 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.
Tue 12/13:10 pm
PDX
-
FSD
1 stop5h 41m
Delta
Sat 12/54:09 pm
FSD
-
PDX
1 stop5h 34m
Delta
Deal found 5/7$301
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:07 am
PDX
-
FSD
1 stop8h 04m
American Airlines
Sat 7/115:34 pm
FSD
-
PDX
1 stop9h 21m
American Airlines
Deal found 5/6$310
This American Airlines deal was found by Cheapflights users on 5/8. 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 5/2911:59 am
PDX
-
FSD
1 stop8h 18m
American Airlines
Mon 6/15:35 pm
FSD
-
PDX
1 stop7h 16m
American Airlines
Deal found 5/8$315
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:15 am
PDX
-
FSD
1 stop7h 55m
American Airlines
Sun 6/75:35 pm
FSD
-
PDX
1 stop9h 15m
American Airlines
Deal found 5/6$329
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 6/28:13 pm
PDX
-
FSD
2 stops12h 02m
Delta
Tue 6/98:23 am
FSD
-
PDX
2 stops9h 56m
Delta
Deal found 5/4$339
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:59 pm
PDX
-
RAP
1 stop8h 50m
American Airlines
Tue 9/85:02 pm
RAP
-
PDX
1 stop7h 05m
American Airlines
Deal found 5/6$339
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:33 pm
PDX
-
FSD
1 stop7h 18m
Delta
Sun 8/305:04 am
FSD
-
PDX
2 stops9h 07m
Delta
Deal found 5/6$344
This American Airlines deal was found by Cheapflights users on 5/8. 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 6/65:06 am
PDX
-
RAP
1 stop6h 05m
American Airlines
Fri 6/125:00 pm
RAP
-
PDX
1 stop8h 50m
American Airlines
Deal found 5/8$349
This Delta deal was found by Cheapflights users on 5/5. 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 6/1412:33 am
PDX
-
RAP
1 stop8h 54m
Delta
Wed 7/1511:00 am
RAP
-
PDX
1 stop7h 35m
Delta
Deal found 5/5$350
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Tue 5/2611:43 pm
PDX
-
RAP
1 stop9h 06m
American Airlines
Mon 6/13:23 pm
RAP
-
PDX
1 stop9h 29m
American Airlines
Deal found 5/7$359

Find 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 May 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$280
(Mytrip)

One-way from

$132
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$490
Provider with most accurate pricing for Portland-Sioux Falls Joe Foss Field flight deals.
Provider most trusted by Cheapflights users for Portland-Sioux Falls Joe Foss Field flights.
From Portland to South Dakota
One-way flight from Portland to South Dakota
Highest demand for flights based on searches. 9% potential increase in price ($43 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 8, 2026.
Use the filters below to find and compare flights from Portland to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 7/4

6:07 am-4:11 pm

1 stop8h 04m

Sioux Falls Joe Foss Field

Sat 7/11

5:34 pm-12:55 am

1 stop9h 21m

$310

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Tue 6/2

8:13 pm-10:15 am

2 stops12h 02m

Sioux Falls Joe Foss Field

Tue 6/9

10:56 am-5:37 pm

1 stop8h 41m

$315

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 5/22

4:15 pm-11:53 pm

1 stop5h 38m

Sioux Falls Joe Foss Field

Sun 5/24

6:00 am-11:38 am

1 stop7h 38m

$399

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 6/19

6:00 am-1:10 pm

1 stop5h 10m

Sioux Falls Joe Foss Field

Mon 6/22

1:53 pm-8:17 pm

1 stop8h 24m

$429

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sun 6/14

12:33 am-10:27 am

1 stop8h 54m

Rapid City

Wed 7/15

4:15 pm-11:44 pm

2 stops8h 29m

$435

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Tue 5/19

7:15 am-8:20 pm

2 stops11h 05m

Sioux Falls Joe Foss Field

Sat 5/23

5:05 pm-9:10 pm

1 stop6h 05m

$439

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Tue 6/16

6:00 am-7:38 pm

1 stop11h 38m

Sioux Falls Joe Foss Field

Mon 6/22

1:53 pm-8:17 pm

1 stop8h 24m

$440

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 5/22

4:15 pm-11:53 pm

1 stop5h 38m

Sioux Falls Joe Foss Field

Mon 5/25

6:00 am-11:38 am

1 stop7h 38m

$444

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Sun 8/30

8:44 pm-9:58 am

2 stops12h 14m

Rapid City

Wed 9/2

6:20 am-6:11 pm

2 stops12h 51m

$451
Quickest round-trip

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Thu 5/21

11:05 am-7:13 pm

1 stop7h 08m

Rapid City

Mon 5/25

10:21 am-3:13 pm

1 stop5h 52m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 37 resultsSorted by cheapest first
1
2
3
4

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

How far ahead should I book a flight from Portland to South Dakota?

The price you pay for your flight from Portland to South Dakota may vary depending on when you book. For the best chance of a lower fare, look to book 32 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 South Dakota?

Currently, June is the cheapest month in which you can book a flight from Portland to South Dakota (average of $104). Flying from Portland to South Dakota in March is currently the most expensive (average of $333). 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 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 May 8, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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.

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

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 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.

  • How long is the flight from Portland to South Dakota?

    There are many flights that can get you from Portland to South Dakota in 5h 38m. Fly via American Airlines, Delta, or United Airlines to get the fastest option. The distance from Portland to South Dakota is about 1273 mi. This flight may include one or multiple stops.

  • 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 $107. Users have also found prices from $125 and $125 on American Airlines and United Airlines, respectively.

  • What are the most popular routes 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, June is the cheapest month in which you can book a flight from Portland to South Dakota (average of $104). Flying from Portland to South Dakota in March is currently the most expensive (average of $333). 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

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

Alternative routes for Portland to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Portland to South Dakota

Discover the top 4 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 May 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$189Average$248FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$243Average$389FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$452FlexibilityNo cancel feeOn-time71%
DeltaCheapest$250Average$561FlexibilityNo cancel feeOn-timeN/A

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.