HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$333+ Cheap flights from South Dakota to Portland, ME (PWM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — PWM
Sep 4 — Sep 111
Fri 9/4
Fri 9/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from South Dakota to Portland 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 South Dakota to Portland

Cheapest flights from South Dakota to Portland
Explore the most affordable flight options available from South Dakota to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.

This American Airlines deal was found by Cheapflights users on 7/31. 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 10/142:48 pm -
1 stop7h 52m
Tue 10/205:45 pm -
1 stop7h 46m
Deal found 7/31$333
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/293:06 pm -
1 stop5h 17m
Tue 9/15:03 pm -
1 stop7h 19m
Deal found 8/1$336
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/13:06 pm -
1 stop5h 17m
Sun 9/65:51 am -
2 stops11h 32m
Deal found 7/31$341
This American Airlines deal was found by Cheapflights users on 8/1. 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 9/226:00 am -
2 stops12h 38m
Sat 9/266:00 am -
2 stops13h 11m
Deal found 8/1$343
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 9/66:24 am -
2 stops9h 09m
Tue 9/155:38 pm -
1 stop7h 51m
Deal found 7/31$351
This American Airlines deal was found by Cheapflights users on 7/31. 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 9/17:30 am -
2 stops12h 51m
Tue 9/83:06 pm -
2 stops10h 24m
Deal found 7/31$356
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 9/63:06 pm -
1 stop5h 17m
Tue 9/154:57 pm -
1 stop7h 15m
Deal found 7/31$362

Find flight deals from South Dakota to Portland

Keep the following information in mind while searching for South Dakota to Portland flight deals. Data was last updated August 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$333
(American Airlines)

Popular in

January

Cheapest in

November

Average price

$548
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Portland flights.
Search Deals
From South Dakota to Portland
Search Deals
Highest demand for flights based on searches. 37% potential increase in price ($350 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota to Portland 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 August 5, 2026.
Use the filters below to find and compare flights from South Dakota to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Wed 10/21

7:50 am-2:38 pm

1 stop5h 48m

Portland

Sat 10/24

5:08 pm-11:11 pm

1 stop7h 03m

$333
Quickest round-trip

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Tue 9/1

3:06 pm-9:23 pm

1 stop5h 17m

Portland

Sun 9/6

6:03 am-10:29 am

1 stop5h 26m

$336

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Sun 9/6

6:00 am-3:51 pm

1 stop8h 51m

Portland

Tue 9/15

4:57 pm-11:12 pm

1 stop7h 15m

$392

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Sat 11/14

3:10 pm-9:51 pm

1 stop5h 41m

Portland

Wed 11/18

5:08 pm-9:37 pm

1 stop5h 29m

$423

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Sat 10/24

6:00 am-4:02 pm

1 stop9h 02m

Portland

Wed 10/28

5:08 pm-9:37 pm

1 stop5h 29m

$423
Cheapest one-way
Quickest one-way

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Sun 8/16

7:47 am-2:34 pm

1 stop5h 47m

$429

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Sun 8/16

1:26 pm-11:13 pm

2 stops8h 47m

$434

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PWM Portland

FSDPWM

Sioux Falls Joe Foss Field

Sun 8/16

7:10 pm-9:19 pm

3 stops49h 09m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Sorted by cheapest first

Best time to book a flight from South Dakota to Portland

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

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

Airfare is below average for this route at the moment.
South Dakota to Portland, Maine flights typically cost between $369 and $707 in October.
The cheapest round-trip price found within the last 5 days was $333 on American Airlines (Oct 14-Oct 20).

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Portland. 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 into for flights to Portland from South Dakota?

    Portland (PWM), located 2.9 mi from the city center, is the airport you fly into when you book flights from South Dakota to Portland.

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

    For as low as $333, United Airlines can have you in Portland, Maine from South Dakota in 5h 48m. There are 1316 mi between South Dakota and Portland, Maine.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from South Dakota to Portland 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Lewiston
Brunswick
Conway

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 South Dakota to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Boston flights
Los Angeles to Boston flights
Baltimore to Boston flights
O'Hare Intl to Boston flights
Atlanta to Boston flights
Denver to Boston flights
San Francisco to Boston flights
Reagan-National to Boston flights
Dulles Intl to Boston flights
Raleigh to Boston flights
Hobby to Boston flights
Philadelphia to Boston flights
Charlotte to Boston flights
Orlando to Boston flights
John F Kennedy Intl to Boston flights
Seattle to Boston flights
George Bush Intcntl to Boston flights
Detroit to Boston flights
Fort Lauderdale to Boston flights
LaGuardia to Boston flights
Miami to Boston flights
Tampa to Boston flights
Newark to Boston flights
Sky Harbor Intl to Boston flights
Cleveland to Boston flights
Minneapolis to Boston flights
Cincinnati to Boston flights
Austin to Boston flights
LaGuardia to Portland flights
Jacksonville to Boston flights
Pittsburgh to Boston flights
Ontario to Boston flights
John F Kennedy Intl to Portland flights
Nashville to Boston flights
Columbus to Boston flights
Newark to Portland flights
San Diego to Boston flights
Indianapolis to Boston flights
Love Field to Boston flights
Dulles Intl to Portland flights
Reagan-National to Portland flights
Fort Myers to Boston flights
O'Hare Intl to Portland flights
Salt Lake City to Boston flights
Midway to Boston flights
Denver to Portland flights
Milwaukee to Boston flights
Charleston to Boston flights
New Orleans to Boston flights

Top 3 airlines flying from South Dakota to Portland

Discover the top 3 airlines that operate flights from South Dakota to Portland. 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 August 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$414FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$556FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$517FlexibilityNo 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.
Site
©2026 Cheapflights