HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Dakota

$176+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — FSD
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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

Keep the following information in mind while searching for Portland to South Dakota flight deals. Data was last updated April 30, 2025.

Round-trip from

$294
(United Airlines)

One-way from

$176
(American Airlines)
From Portland to South Dakota
Search Deals
One-way flight from Portland to South Dakota
Search Deals

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 April 30, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 9/133:35 pmPWM - RAP
1 stop8h 24mUnited Airlines
Sat 9/205:30 amRAP - PWM
2 stops10h 56mUnited Airlines
Deal found 4/29$294
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:13 amPWM - RAP
2 stops11h 05mAmerican Airlines
Sun 9/712:47 pmRAP - PWM
1 stop7h 59mAmerican Airlines
Deal found 4/29$319
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:59 amPWM - RAP
1 stop6h 12mDelta
Mon 11/106:20 amRAP - PWM
2 stops8h 38mDelta
Deal found 4/29$584

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 April 30, 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

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Sat 9/13

3:35 pm-9:59 pm

1 stop8h 24m

Rapid City

Sat 9/20

5:30 am-6:26 pm

2 stops10h 56m

$294

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Wed 9/3

11:13 am-8:18 pm

2 stops11h 05m

Rapid City

Sun 9/7

12:47 pm-10:46 pm

1 stop7h 59m

$319

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Tue 9/23

12:03 pm-5:27 pm

1 stop7h 24m

$176

PortlandRapid City

PWM - RAP

PWMRAP

Portland

Tue 9/23

6:10 am-11:32 am

3 stops31h 22m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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, Maine to South Dakota?

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

Rainfall in South Dakota by month

Plan your trip to South Dakota by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Dakota ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit South Dakota when rainfall is around 0.6 in.

Temperature in South Dakota by month

Plan your trip to South Dakota by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Dakota, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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 April 30, 2025.
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • 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, Maine to South Dakota?

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

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.
Boston to Los Angeles flights
Boston to Las Vegas flights
Boston to O'Hare Intl flights
Boston to Miami flights
Boston to Orlando flights
Boston to Seattle flights
Boston to Reagan-National flights
Boston to San Francisco flights
Boston to Dallas/Fort Worth flights
Boston to Baltimore flights
Boston to Dulles Intl flights
Boston to Fort Lauderdale flights
Boston to Newark flights
Boston to Denver flights
Boston to Tampa flights
Boston to John F Kennedy Intl flights
Boston to LaGuardia flights
Boston to Nashville flights
Boston to Charlotte flights
Boston to Sky Harbor Intl flights
Boston to Hobby flights
Boston to Philadelphia flights
Boston to Atlanta flights
Boston to George Bush Intcntl flights
Boston to Austin flights
Boston to Charleston flights
Boston to Jacksonville flights
Boston to Salt Lake City flights
Boston to San Diego flights
Boston to Fort Myers flights
Boston to Midway flights
Boston to Minneapolis flights
Boston to Pittsburgh flights
Boston to Portland flights
Boston to Detroit flights
Boston to Cincinnati flights
Boston to Raleigh flights
Boston to New Orleans flights
Boston to Savannah flights
Boston to West Palm Beach flights
Boston to Columbus flights
Boston to Indianapolis flights
Boston to Richmond flights
Boston to Honolulu flights
Boston to Myrtle Beach flights
Boston to Ontario flights
Boston to Cleveland flights
Boston to St. Louis flights
Boston to Milwaukee flights
Boston to Bozeman flights

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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$343Average$563FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$397Average$638FlexibilityNo cancel feeOn-time69%

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.