$409+ Cheap flights from Portland, ME (PWM) to South Dakota
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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — FSD
Dec 12 — Dec 191
Round-trip
1 adult, Economy
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Best
Last-minute
Cheapest flights from Portland to South DakotaExplore 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 November 12, 2026.
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 November 12, 2026.
This United Airlines deal was found by Cheapflights users on 11/7. 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 11/128:49 am -
2 stops10h 20m
Sat 11/1411:12 am -
2 stops10h 09m
Deal found 11/7![United Airlines logo]()
$559
This Delta deal was found by Cheapflights users on 11/11. 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.
Thu 11/126:00 am -
2 stops11h 54m
Sat 11/1411:29 am -
2 stops10h 02m
Deal found 11/11![Delta logo]()
$580
This American Airlines deal was found by Cheapflights users on 11/7. 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 11/1210:31 am -
2 stops12h 56m
Sat 11/146:11 am -
2 stops10h 06m
Deal found 11/7![American Airlines logo]()
$622
This American Airlines deal was found by Cheapflights users on 11/11. 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 12/114:02 pm -
2 stops9h 44m
Fri 12/182:14 pm -
2 stops7h 45m
Deal found 11/11![American Airlines logo]()
$735
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 12/114:47 pm -
1 stop6h 25m
Fri 12/187:34 am -
1 stop6h 57m
Deal found 11/11![United Airlines logo]()
$936
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/214:28 pm -
2 stops18h 41m
Fri 1/152:40 pm -
2 stops21h 53m
Deal found 11/10![United Airlines logo]()
$966
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/268:08 am -
1 stop28h 23m
Mon 11/307:00 am -
1 stop7h 04m
Deal found 11/11![United Airlines logo]()
$1,097
This American Airlines deal was found by Cheapflights users on 11/10. 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.
Mon 12/216:00 am -
3 stops16h 51m
Fri 1/156:17 am -
2 stops13h 17m
Deal found 11/10![American Airlines logo]()
$1,101
Best flights from Portland to South DakotaDiscover carefully curated flight deals from Portland to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
Discover carefully curated flight deals from Portland to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
This Delta deal was found by Cheapflights users on 11/11. 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.
Fri 3/196:00 am -
2 stops11h 46m
Fri 4/211:30 am -
2 stops9h 53m
Deal found 11/11![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 11/10. 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 2/69:10 am -
2 stops13h 20m
Tue 2/96:00 am -
1 stop6h 44m
Deal found 11/10![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 11/11. 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 5/46:00 am -
2 stops10h 43m
Sat 5/88:35 am -
2 stops12h 22m
Deal found 11/11![United Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Fri 3/194:48 pm -
1 stop6h 57m
Fri 4/211:25 am -
2 stops8h 02m
Deal found 11/10![United Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 12/114:47 pm -
1 stop6h 25m
Fri 12/187:34 am -
1 stop6h 57m
Deal found 11/11![United Airlines logo]()
$936
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/214:28 pm -
2 stops18h 41m
Fri 1/152:40 pm -
2 stops21h 53m
Deal found 11/10![United Airlines logo]()
$966
Last-minute flights from Portland to South DakotaDiscover last-minute flight deals from Portland to South Dakota. Data last updated November 12, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to South Dakota. Data last updated November 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/7. 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 11/128:49 am -
2 stops10h 20m
Sat 11/1411:12 am -
2 stops10h 09m
Deal found 11/7![United Airlines logo]()
$559
This Delta deal was found by Cheapflights users on 11/11. 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.
Thu 11/126:00 am -
2 stops11h 54m
Sat 11/1411:29 am -
2 stops10h 02m
Deal found 11/11![Delta logo]()
$580
This American Airlines deal was found by Cheapflights users on 11/7. 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 11/1210:31 am -
2 stops12h 56m
Sat 11/146:11 am -
2 stops10h 06m
Deal found 11/7![American Airlines logo]()
$622
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/268:08 am -
1 stop28h 23m
Mon 11/307:00 am -
1 stop7h 04m
Deal found 11/11![United Airlines logo]()
$1,097
This American Airlines deal was found by Cheapflights users on 11/11. 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 12/114:02 pm -
2 stops9h 44m
Fri 12/182:14 pm -
2 stops7h 45m
Deal found 11/11![American Airlines logo]()
$735
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 12/114:47 pm -
1 stop6h 25m
Fri 12/187:34 am -
1 stop6h 57m
Deal found 11/11![United Airlines logo]()
$936
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/214:28 pm -
2 stops18h 41m
Fri 1/152:40 pm -
2 stops21h 53m
Deal found 11/10![United Airlines logo]()
$966
This American Airlines deal was found by Cheapflights users on 11/10. 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.
Mon 12/216:00 am -
3 stops16h 51m
Fri 1/156:17 am -
2 stops13h 17m
Deal found 11/10![American Airlines logo]()
$1,101
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 November 12, 2026.
Round-trip from | $409 (Delta) |
|---|
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 7,457,451 searches. Data last updated November 12, 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
Cheapest round-trip
PortlandRapid City
PWM Portland - RAP Rapid City
PWMRAP
Portland
Fri 3/19
6:00 am-3:46 pm
2 stops11h 46m
Rapid City
Fri 4/2
11:30 am-11:23 pm
2 stops9h 53m
$409
PortlandRapid City
PWM Portland - RAP Rapid City
PWMRAP
Portland
Sat 2/6
9:10 am-8:30 pm
2 stops13h 20m
Rapid City
Tue 2/9
6:00 am-2:44 pm
1 stop6h 44m
$514
PortlandRapid City
PWM Portland - RAP Rapid City
PWMRAP
Portland
Tue 5/4
6:00 am-2:43 pm
2 stops10h 43m
Rapid City
Sat 5/8
8:35 am-10:57 pm
2 stops12h 22m
$679
PortlandRapid City
PWM Portland - RAP Rapid City
PWMRAP
Portland
Fri 3/19
4:48 pm-9:45 pm
1 stop6h 57m
Rapid City
Fri 4/2
11:25 am-9:27 pm
2 stops8h 02m
$772
Quickest round-trip
PortlandSioux Falls
PWM Portland - FSD Sioux Falls Joe Foss Field
PWMFSD
Portland
Fri 12/11
4:47 pm-10:12 pm
1 stop6h 25m
Sioux Falls Joe Foss Field
Fri 12/18
7:34 am-3:31 pm
1 stop6h 57m
$936
PortlandRapid City
PWM Portland - RAP Rapid City
PWMRAP
Portland
Mon 12/21
4:28 pm-9:09 am
2 stops18h 41m
Rapid City
Fri 1/15
2:40 pm-2:33 pm
2 stops21h 53m
$966
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.
PWM-RAP
PWM-FSD
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
PWM-USSD
PWM-RAP
PWM-FSD
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 November 12, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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.
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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.
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Alternative routes for Portland to South Dakota
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Complete your trip
Complete your trip to South Dakota by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Portland to South Dakota, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and South Dakota flights
Browse other Portland and South Dakota flight options. Last updated on November 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Portland to South Dakota
Discover the top 3 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 7,457,451 searches. Data last updated November 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$322 | Average$515 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$422 | Average$631 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$459 | Average$478 | FlexibilityNo cancel fee | On-timeN/A |