$318+ Cheap flights from Sioux Falls to Portland, ME (FSD - 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — PWM
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Find cheap flights from Sioux Falls 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 Sioux Falls to Portland
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Cheapest flights from Sioux Falls to PortlandExplore the most affordable flight options available from Sioux Falls to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
Explore the most affordable flight options available from Sioux Falls to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 10/142:48 pm -
1 stop7h 55m
Tue 10/205:45 pm -
1 stop7h 56m
Deal found 8/10![American Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/53:06 pm -
1 stop5h 17m
Fri 9/114:57 pm -
1 stop7h 15m
Deal found 8/8![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 8/5. 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 9/512:12 pm -
2 stops9h 03m
Sat 9/125:38 pm -
1 stop7h 51m
Deal found 8/5![American Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Tue 9/226:00 am -
2 stops12h 38m
Sat 9/267:32 am -
2 stops11h 39m
Deal found 8/7![American Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 8/5. 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 8/1212:57 pm -
2 stops9h 50m
Mon 8/316:09 pm -
1 stop7h 21m
Deal found 8/5![American Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 9/236:00 am -
2 stops12h 38m
Sat 9/267:32 am -
2 stops11h 39m
Deal found 8/10![American Airlines logo]()
$396
This American Airlines deal was found by Cheapflights users on 8/8. 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 9/57:30 am -
2 stops13h 27m
Fri 9/115:05 pm -
2 stops8h 24m
Deal found 8/8![American Airlines logo]()
$399
Best flights from Sioux Falls to PortlandDiscover carefully curated flight deals from Sioux Falls to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
Discover carefully curated flight deals from Sioux Falls to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
This American Airlines deal was found by Cheapflights users on 8/5. 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 -
1 stop7h 55m
Wed 10/146:00 am -
2 stops9h 18m
Deal found 8/5![American Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/8. 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 10/246:00 am -
1 stop9h 02m
Wed 10/288:47 am -
2 stops12h 17m
Deal found 8/8![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/227:47 am -
1 stop5h 44m
Sat 9/267:58 am -
2 stops13h 22m
Deal found 8/10![United Airlines logo]()
$428
Last-minute flights from Sioux Falls to PortlandDiscover last-minute flight deals from Sioux Falls to Portland. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Portland. Data last updated August 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/5. 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 8/1212:57 pm -
2 stops9h 50m
Mon 8/316:09 pm -
1 stop7h 21m
Deal found 8/5![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/257:47 am -
1 stop5h 47m
Sat 8/297:40 am -
2 stops9h 43m
Deal found 8/10![United Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/256:24 am -
2 stops9h 09m
Sat 8/295:13 pm -
2 stops8h 17m
Deal found 8/10![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/53:06 pm -
1 stop5h 17m
Fri 9/114:57 pm -
1 stop7h 15m
Deal found 8/8![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 8/5. 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 9/512:12 pm -
2 stops9h 03m
Sat 9/125:38 pm -
1 stop7h 51m
Deal found 8/5![American Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 8/8. 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 9/57:30 am -
2 stops13h 27m
Fri 9/115:05 pm -
2 stops8h 24m
Deal found 8/8![American Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/226:00 am -
2 stops12h 38m
Sat 9/266:00 am -
2 stops13h 11m
Deal found 8/10![American Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 9/236:00 am -
2 stops12h 38m
Sat 9/267:32 am -
2 stops11h 39m
Deal found 8/10![American Airlines logo]()
$396
One-way flights from Sioux Falls to PortlandSearch for one-way flight options from Sioux Falls to Portland. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
Search for one-way flight options from Sioux Falls to Portland. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This American Airlines deal was found by Cheapflights users on 8/6. 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 9/206:41 pm -
1 stop17h 24m
Deal found 8/6![American Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/209:35 am -
2 stops10h 48m
Deal found 8/6![United Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:02 pm -
3 stops41h 22m
Deal found 8/6![Multiple Airlines logo]()
$402
Find flight deals from Sioux Falls to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $333 (American Airlines) |
One-way from | $318 (American Airlines) |
Popular in | January |
Cheapest in | November |
Average price | $707 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sioux Falls 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 10, 2026.
Use the filters below to find and compare flights from Sioux Falls to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Sat 10/10
2:48 pm-11:43 pm
1 stop7h 55m
Portland
Wed 10/14
6:00 am-2:18 pm
2 stops9h 18m
$424
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
8:47 am-8:04 pm
2 stops12h 17m
$428
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Tue 9/22
7:47 am-2:31 pm
1 stop5h 44m
Portland
Sat 9/26
7:58 am-8:20 pm
2 stops13h 22m
$428
Cheapest one-way
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Sun 9/20
6:41 pm-1:05 pm
1 stop17h 24m
$318
Quickest one-way
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Sun 9/20
9:35 am-9:23 pm
2 stops10h 48m
$334
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Sun 9/20
10:02 pm-4:24 pm
3 stops41h 22m
$402
Sorted by cheapest first
Compare providers for flights from Sioux Falls to Portland
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Portland in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sioux Falls-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Portland, Maine flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux Falls-Portland, Maine flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Sioux Falls to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Sioux Falls 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.
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated August 10, 2026.
See what other customers who have flown with United Airlines and American Airlines from Sioux Falls to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Sioux Falls 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
Browse thousands of different options on Cheapflights for your next trip
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Sioux Falls and Portland flights
Browse other Sioux Falls and Portland flight options. Last updated on August 10, 2026.
Other flights from Sioux Falls
Browse through other flights departing from Sioux Falls. Flights are based on user searches made on Cheapflights and were last updated on August 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 August 10, 2026.
Top 3 airlines flying from Sioux Falls to Portland
Discover the top 3 airlines that operate flights from Sioux Falls 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$188 | Average$414 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$504 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$308 | Average$439 | FlexibilityNo cancel fee | On-time69% |