$329+ Cheap flights from Sioux Falls to Portland, ME (FSD - 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — PWM
Oct 8 — Oct 151
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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Best
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One-way
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 September 8, 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 September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 stops9h 26m
Sat 10/175:38 pm -
2 stops8h 03m
Deal found 9/4![American Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/266:00 am -
2 stops13h 11m
Deal found 9/3![American Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/3![American Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/212:56 pm -
2 stops9h 40m
Tue 10/65:37 pm -
2 stops8h 04m
Deal found 9/7![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/1212:06 pm -
2 stops8h 50m
Sat 9/195:06 pm -
2 stops8h 23m
Deal found 9/4![American Airlines logo]()
$434
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 September 8, 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 September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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 1/97:40 am -
2 stops9h 33m
Wed 1/136:00 am -
2 stops9h 31m
Deal found 9/3![United Airlines logo]()
$433
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 10/102:48 pm -
2 stops7h 48m
Thu 10/155:37 pm -
2 stops8h 04m
Deal found 9/7![American Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 9/7. 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 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 9/7![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 10/103:03 pm -
2 stops7h 56m
Thu 10/155:08 pm -
1 stop7h 03m
Deal found 9/7![United Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/265:38 pm -
1 stop7h 51m
Deal found 9/3![American Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 9/7. 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 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 9/7![Delta logo]()
$504
Last-minute flights from Sioux Falls to PortlandDiscover last-minute flight deals from Sioux Falls to Portland. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Portland. Data last updated September 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/1212:06 pm -
2 stops8h 50m
Sat 9/195:06 pm -
2 stops8h 23m
Deal found 9/4![American Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/266:00 am -
2 stops13h 11m
Deal found 9/3![American Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/212:56 pm -
2 stops9h 40m
Tue 10/65:37 pm -
2 stops8h 04m
Deal found 9/7![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 9/4. 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 stops9h 26m
Sat 10/175:38 pm -
2 stops8h 03m
Deal found 9/4![American Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/3![American Airlines logo]()
$386
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 September 8, 2026.
Search for one-way flight options from Sioux Falls to Portland. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/162:48 pm -
1 stop7h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Fri 10/167:31 pm -
3 stops36h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$395
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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $343 (American Airlines) |
One-way from | $329 (American Airlines) |
Popular in | January |
Cheapest in | October |
Average price | $390 |
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 7,457,451 searches. Data last updated September 8, 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
Fri 10/16
2:48 pm-11:40 pm
1 stop7h 52m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$329
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Fri 10/16
7:31 pm-9:21 am
3 stops36h 50m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$395
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Sat 1/9
7:40 am-6:13 pm
2 stops9h 33m
Portland
Wed 1/13
6:00 am-2:31 pm
2 stops9h 31m
$433
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
$462
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Sat 10/10
3:03 pm-11:59 pm
2 stops7h 56m
Portland
Thu 10/15
5:08 pm-11:11 pm
1 stop7h 03m
$481
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Tue 9/22
6:00 am-7:38 pm
2 stops12h 38m
Portland
Sat 9/26
5:38 pm-12:29 am
1 stop7h 51m
$493
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Tue 9/22
5:05 am-10:45 am
1 stop4h 40m
Portland
Sat 9/26
11:50 am-3:46 pm
1 stop4h 56m
$504
Sioux FallsPortland
FSD Sioux Falls Joe Foss Field - PWM Portland
FSDPWM
Sioux Falls Joe Foss Field
Wed 9/23
5:05 am-10:45 am
1 stop4h 40m
Portland
Sat 9/26
11:50 am-3:46 pm
1 stop4h 56m
$504
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 September.
| 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.
Cheapflights Insights
Everything you need to know about your flight from Sioux Falls to Portland
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 September 8, 2026.
See what other customers who have flown with United 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.
Entertainment
7.1
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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
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Sioux Falls and Portland flights
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Top airline flying from Sioux Falls to Portland
Discover the top airline 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$434 | FlexibilityNo cancel fee | On-time69% |