$358+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — PWM
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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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
Best
Last-minute
Cheapest flights from South Dakota to PortlandExplore 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 September 21, 2026.
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 September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/272:48 pm -
1 stop7h 52m
Tue 11/36:07 am -
2 stops13h 41m
Deal found 9/17![American Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 9/17. 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 -
2 stops8h 11m
Tue 10/206:00 am -
2 stops9h 18m
Deal found 9/17![American Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 9/17. 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 9/235:05 am -
1 stop4h 40m
Sat 9/2611:50 am -
1 stop4h 56m
Deal found 9/17![Delta logo]()
$459
This American Airlines deal was found by Cheapflights users on 9/17. 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 9/2212:06 pm -
2 stops10h 39m
Sat 9/265:38 pm -
1 stop7h 51m
Deal found 9/17![American Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 9/17. 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 9/225:05 am -
1 stop4h 40m
Sat 9/2611:50 am -
1 stop4h 56m
Deal found 9/17![Delta logo]()
$509
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/1012:18 pm -
2 stops10h 18m
Thu 10/155:45 pm -
1 stop7h 56m
Deal found 9/16![American Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:03 pm -
1 stop5h 43m
Sat 10/106:00 am -
1 stop5h 29m
Deal found 9/21![United Airlines logo]()
$547
Best flights from South Dakota to PortlandDiscover carefully curated flight deals from South Dakota to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from South Dakota to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/18. 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 55m
Tue 10/205:37 pm -
2 stops8h 04m
Deal found 9/18![American Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:03 pm -
1 stop5h 43m
Sat 10/1010:43 am -
2 stops10h 57m
Deal found 9/21![United Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/102:48 pm -
2 stops7h 48m
Thu 10/155:37 pm -
2 stops8h 04m
Deal found 9/16![American Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/103:03 pm -
1 stop5h 43m
Thu 10/155:08 pm -
1 stop7h 03m
Deal found 9/16![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/149:42 am -
2 stops12h 46m
Tue 10/205:08 pm -
1 stop7h 03m
Deal found 9/20![United Airlines logo]()
$578
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Mon 10/197:50 am -
2 stops10h 34m
Mon 10/265:08 pm -
1 stop5h 29m
Deal found 9/20![United Airlines logo]()
$648
Last-minute flights from South Dakota to PortlandDiscover last-minute flight deals from South Dakota to Portland. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from South Dakota to Portland. Data last updated September 21, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/17. 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 9/2212:06 pm -
2 stops10h 39m
Sat 9/265:38 pm -
1 stop7h 51m
Deal found 9/17![American Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 9/17. 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 9/225:05 am -
1 stop4h 40m
Sat 9/2611:50 am -
1 stop4h 56m
Deal found 9/17![Delta logo]()
$509
This Delta deal was found by Cheapflights users on 9/17. 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 9/235:05 am -
1 stop4h 40m
Sat 9/2611:50 am -
1 stop4h 56m
Deal found 9/17![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:03 pm -
1 stop5h 43m
Sat 10/106:00 am -
1 stop5h 29m
Deal found 9/21![United Airlines logo]()
$547
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/102:48 pm -
2 stops7h 48m
Thu 10/155:45 pm -
1 stop7h 56m
Deal found 9/16![American Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 9/17. 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 -
2 stops8h 11m
Tue 10/206:00 am -
2 stops9h 18m
Deal found 9/17![American Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/272:48 pm -
1 stop7h 52m
Tue 11/36:07 am -
2 stops13h 41m
Deal found 9/17![American Airlines logo]()
$358
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 September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $358 (American Airlines) |
Popular in | January |
Cheapest in | November |
Average price | $412 |
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 7,457,451 searches. Data last updated September 21, 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
Cheapest round-trip
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Wed 10/14
2:48 pm-11:43 pm
1 stop7h 55m
Portland
Tue 10/20
5:37 pm-12:41 am
2 stops8h 04m
$497
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Sat 10/3
3:03 pm-9:46 pm
1 stop5h 43m
Portland
Sat 10/10
10:43 am-8:40 pm
2 stops10h 57m
$541
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Sat 10/10
2:48 pm-11:36 pm
2 stops7h 48m
Portland
Thu 10/15
5:37 pm-12:41 am
2 stops8h 04m
$546
Quickest round-trip
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Sat 10/10
3:03 pm-9:46 pm
1 stop5h 43m
Portland
Thu 10/15
5:08 pm-11:11 pm
1 stop7h 03m
$576
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Wed 10/14
9:42 am-11:28 pm
2 stops12h 46m
Portland
Tue 10/20
5:08 pm-11:11 pm
1 stop7h 03m
$578
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Mon 10/19
7:50 am-7:24 pm
2 stops10h 34m
Portland
Mon 10/26
5:08 pm-9:37 pm
1 stop5h 29m
$648
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.
FSD-PWM
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
USSD-PWM
FSD-PWM
How much does it cost to fly round-trip from South Dakota to Portland, Maine?
Airfare is typical for this route at the moment.
South Dakota to Portland, Maine flights typically cost between $322 and $754 in October.The cheapest round-trip price found within the last 5 days was $358 on American Airlines (Oct 27-Nov 3).
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsNorth Conway
Lewiston
Brunswick
Conway
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Alternative routes for South Dakota to Portland
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Complete your trip
Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from South Dakota to Portland by cabin class
Find flights from South Dakota to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
South Dakota and Portland flights
Browse other South Dakota and Portland flight options. Last updated on September 21, 2026.
Popular flight searches
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Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.
South Dakota to Portland flights
Consider these flights traveling from South Dakota to Portland.
Top 2 airlines flying from South Dakota to Portland
Discover the top 2 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 7,457,451 searches. Data last updated September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$512 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$348 | Average$608 | FlexibilityNo cancel fee | On-time71% |