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South Dakota

$390+ Cheap flights from Portland, ME (PWM) 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — FSD
Jul 24 — Jul 311
Fri 7/24
Fri 7/31
1 adult, Economy
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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 June 24, 2026.

This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:00 am
PWM
-
RAP
1 stop10h 34m
American Airlines
Tue 8/1812:20 pm
RAP
-
PWM
2 stops9h 21m
American Airlines
Deal found 6/22$401
This United Airlines deal was found by Cheapflights users on 6/20. 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 10/156:00 am
PWM
-
RAP
1 stop6h 15m
United Airlines
Mon 10/191:37 pm
RAP
-
PWM
1 stop6h 09m
United Airlines
Deal found 6/20$410
This American Airlines deal was found by Cheapflights users on 6/21. 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 9/196:00 am
PWM
-
RAP
2 stops13h 37m
American Airlines
Sat 10/310:19 am
RAP
-
PWM
2 stops11h 28m
American Airlines
Deal found 6/21$452
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:00 am
PWM
-
RAP
1 stop7h 14m
American Airlines
Mon 7/273:25 pm
RAP
-
PWM
1 stop7h 18m
American Airlines
Deal found 6/22$521

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 June 24, 2026.

Round-trip from

$401
(American Airlines)

One-way from

$390
(Kiwi.com)
From Portland to South Dakota
Search Deals
One-way flight from Portland to South Dakota
Search Deals

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 June 24, 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
Quickest round-trip

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Thu 10/15

6:00 am-10:15 am

1 stop6h 15m

Rapid City

Mon 10/19

1:37 pm-9:46 pm

1 stop6h 09m

$410

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Thu 9/10

6:00 am-11:14 am

1 stop7h 14m

Rapid City

Sun 9/13

6:30 am-6:46 pm

1 stop10h 16m

$600

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Sat 8/8

5:15 am-11:16 pm

2 stops20h 01m

Rapid City

Sun 8/16

1:31 pm-9:23 pm

1 stop5h 52m

$681

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Sun 9/27

5:24 pm-11:15 am

1 stop19h 51m

Rapid City

Sun 10/4

6:07 pm-11:54 am

2 stops15h 47m

$701

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Sat 8/8

6:00 am-11:16 pm

1 stop19h 16m

Rapid City

Fri 8/14

1:31 pm-9:23 pm

1 stop5h 52m

$783

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Thu 7/23

5:15 am-5:12 pm

3 stops13h 57m

Rapid City

Mon 7/27

10:23 am-9:11 am

2 stops20h 48m

$792

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Sat 8/8

5:30 am-4:34 pm

2 stops13h 04m

Rapid City

Fri 8/14

1:16 pm-10:00 pm

1 stop6h 44m

$809
Cheapest one-way

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Thu 7/9

3:37 pm-8:38 pm

1 stop7h 01m

$448
Quickest one-way

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Thu 7/9

11:47 am-3:29 pm

1 stop5h 42m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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 June 24, 2026.
See what other customers who have flown with United Airlines and American Airlines from Portland to South Dakota have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,881 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
9,881 reviews
United Airlines
7.4
Good
9,881 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,751 reviews
United Airlines
7.4
Good
9,881 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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?

    If you book a flight to South Dakota from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PWM) is located 2.9 mi from the center of Portland.

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

    Departing from Portland, Maine to South Dakota will take you 6h 15m. There are 1620 mi between Portland, Maine and South Dakota. This flight may include one or multiple stops.

  • 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.

See more FAQs

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Alternative routes for Portland to South Dakota

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Top 2 airlines flying from Portland to South Dakota

Discover the top 2 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 June 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$322Average$622FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$422Average$602FlexibilityNo cancel feeOn-time71%

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