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$305+ Cheap flights from South Dakota to Portland, ME (PWM)

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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — PWM
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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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 January 21, 2026.

This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:15 am
FSD
-
PWM
1 stop4h 34m
Delta
Wed 7/221:35 pm
PWM
-
FSD
1 stop9h 34m
Delta
Deal found 1/20$336
This American Airlines deal was found by Cheapflights users on 1/19. 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 4/223:21 pm
FSD
-
PWM
1 stop6h 49m
American Airlines
Tue 4/287:07 am
PWM
-
FSD
1 stop5h 35m
American Airlines
Deal found 1/19$369
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 4/11:26 pm
FSD
-
PWM
2 stops9h 29m
American Airlines
Sat 4/46:17 am
PWM
-
FSD
1 stop6h 21m
American Airlines
Deal found 1/21$374
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:20 pm
FSD
-
PWM
1 stop5h 31m
American Airlines
Tue 7/217:35 pm
PWM
-
FSD
1 stop5h 31m
American Airlines
Deal found 1/20$389
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/37:30 am
FSD
-
PWM
1 stop6h 09m
United Airlines
Sat 2/74:10 pm
PWM
-
FSD
1 stop6h 40m
United Airlines
Deal found 1/19$419
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:15 am
FSD
-
PWM
1 stop4h 34m
Delta
Wed 7/83:00 pm
PWM
-
FSD
2 stops8h 46m
Delta
Deal found 1/21$429
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 2/47:50 am
FSD
-
PWM
1 stop5h 49m
United Airlines
Sun 2/84:10 pm
PWM
-
FSD
1 stop6h 40m
United Airlines
Deal found 1/20$431
This American Airlines deal was found by Cheapflights users on 1/19. 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 7/112:20 pm
FSD
-
PWM
1 stop5h 31m
American Airlines
Wed 7/87:35 pm
PWM
-
FSD
1 stop5h 31m
American Airlines
Deal found 1/19$453

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$336
(Delta)

One-way from

$305
(Delta)

Popular in

January

Cheapest in

November

Average price

$944
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
One-way flight from South Dakota to Portland
Search Deals
Highest demand for flights based on searches. 42% potential increase in price ($398 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 21, 2026.
Use the filters below to find and compare flights from South Dakota to Portland that are best for you.

Fly from

South Dakota

Fly to

Portland

Route

Depart

Return

Price

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Wed 4/1

1:26 pm-11:55 pm

2 stops9h 29m

Portland

Sat 4/4

6:17 am-11:38 am

1 stop6h 21m

$374

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Tue 2/3

7:30 am-2:39 pm

1 stop6h 09m

Portland

Sat 2/7

4:10 pm-9:50 pm

1 stop6h 40m

$419

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Wed 2/4

7:50 am-2:39 pm

1 stop5h 49m

Portland

Sun 2/8

4:10 pm-9:50 pm

1 stop6h 40m

$431

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Wed 2/4

6:00 am-11:43 pm

2 stops16h 43m

Portland

Sun 2/8

5:20 am-9:35 pm

2 stops17h 15m

$508

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Mon 2/16

7:42 pm-5:07 pm

1 stop20h 25m

Portland

Fri 2/20

5:40 pm-11:42 am

1 stop19h 02m

$589

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Sun 2/15

1:26 pm-11:50 pm

2 stops9h 24m

Portland

Fri 2/20

5:40 pm-11:03 pm

1 stop6h 23m

$614

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Mon 2/16

10:55 am-11:20 pm

2 stops11h 25m

Portland

Fri 2/20

6:00 am-3:34 pm

2 stops10h 34m

$620

Sioux FallsPortland

FSD - PWM

FSDPWM

Sioux Falls Joe Foss Field

Tue 7/14

5:25 am-12:22 pm

1 stop5h 57m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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

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

Currently, November is the cheapest month in which you can book a flight from South Dakota to Portland, Maine (average of $204). Flying from South Dakota to Portland, Maine in March is currently the most expensive (average of $354). 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.

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 $419, American Airlines can have you in Portland, Maine from South Dakota in 6h 09m. There are 1316 mi between South Dakota and Portland, Maine. This flight may include one or multiple stops.

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from South Dakota to Portland, Maine (average of $204). Flying from South Dakota to Portland, Maine in March is currently the most expensive (average of $354). 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

Traveling to a place near Portland?

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

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Alternative routes for South Dakota to Portland

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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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$349FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$220Average$544FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$379FlexibilityNo cancel feeOn-time71%

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