$197+ Cheap flights from Portland to Sioux Falls (PDX - FSD)
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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — FSD
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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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
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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 Portland to Sioux Falls
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Cheapest flights from Portland to Sioux FallsExplore the most affordable flight options available from Portland to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Portland to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Wed 12/24:27 pm -
1 stop5h 17m
Sat 12/129:24 am -
1 stop5h 52m
Deal found 10/16![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:22 pm -
1 stop6h 00m
Mon 11/95:00 pm -
1 stop8h 46m
Deal found 10/16![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/14. 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 12/3011:59 pm -
1 stop9h 25m
Sat 1/98:00 am -
1 stop7h 58m
Deal found 10/14![American Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 11/64:25 pm -
1 stop5h 19m
Thu 11/195:55 am -
2 stops8h 27m
Deal found 10/16![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 10/15. 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 11/63:22 pm -
1 stop6h 00m
Sun 11/88:30 am -
1 stop6h 08m
Deal found 10/15![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 10/15. 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 11/53:22 pm -
1 stop6h 00m
Sun 11/88:30 am -
1 stop6h 08m
Deal found 10/15![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/122:24 pm -
1 stop7h 25m
Mon 11/165:58 pm -
1 stop7h 45m
Deal found 10/15![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:22 pm -
1 stop6h 00m
Sat 11/78:30 am -
1 stop6h 08m
Deal found 10/16![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 10/3010:59 am -
2 stops10h 45m
Fri 11/65:55 am -
1 stop5h 41m
Deal found 10/16![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:35 am -
1 stop7h 45m
Mon 11/168:31 am -
1 stop6h 02m
Deal found 10/16![Delta logo]()
$401
Best flights from Portland to Sioux FallsDiscover carefully curated flight deals from Portland to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Portland to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/163:10 pm -
1 stop5h 41m
Tue 4/201:00 pm -
1 stop5h 24m
Deal found 10/16![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 11/62:34 pm -
1 stop6h 55m
Thu 11/195:55 am -
1 stop5h 41m
Deal found 10/16![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/14. 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 10/293:00 pm -
1 stop6h 56m
Sat 11/78:00 am -
1 stop7h 33m
Deal found 10/14![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Tue 11/109:00 am -
2 stops10h 37m
Thu 11/195:55 am -
1 stop5h 41m
Deal found 10/16![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 10/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:22 pm -
1 stop6h 00m
Sun 11/88:30 am -
1 stop6h 08m
Deal found 10/19![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 11/234:25 pm -
1 stop5h 19m
Tue 12/15:22 pm -
1 stop5h 53m
Deal found 10/19![United Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/242:34 pm -
1 stop6h 55m
Thu 12/37:40 am -
1 stop9h 39m
Deal found 10/15![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 4/1612:40 pm -
1 stop6h 06m
Tue 4/209:14 am -
2 stops8h 57m
Deal found 10/16![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/301:15 pm -
1 stop4h 49m
Tue 11/31:20 pm -
2 stops9h 42m
Deal found 10/15![United Airlines logo]()
$434
Last-minute flights from Portland to Sioux FallsDiscover last-minute flight deals from Portland to Sioux Falls. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Sioux Falls. Data last updated October 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/14. 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 10/293:00 pm -
1 stop6h 56m
Sat 11/78:00 am -
1 stop7h 33m
Deal found 10/14![American Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:22 pm -
1 stop6h 00m
Sat 11/75:00 pm -
1 stop8h 44m
Deal found 10/16![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 10/3010:59 am -
2 stops10h 45m
Fri 11/65:55 am -
1 stop5h 41m
Deal found 10/16![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/15. 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 11/53:22 pm -
1 stop6h 00m
Sun 11/88:30 am -
1 stop6h 08m
Deal found 10/15![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:22 pm -
1 stop6h 00m
Sat 11/78:30 am -
1 stop6h 08m
Deal found 10/16![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:22 pm -
1 stop6h 00m
Mon 11/95:00 pm -
1 stop8h 46m
Deal found 10/16![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 11/64:25 pm -
1 stop5h 19m
Thu 11/195:55 am -
2 stops8h 27m
Deal found 10/16![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 10/15. 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 11/63:22 pm -
1 stop6h 00m
Sun 11/88:30 am -
1 stop6h 08m
Deal found 10/15![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 11/610:59 am -
2 stops10h 45m
Sun 11/85:55 am -
1 stop5h 41m
Deal found 10/16![United Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:35 am -
1 stop7h 45m
Mon 11/168:31 am -
1 stop6h 02m
Deal found 10/16![Delta logo]()
$401
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/122:24 pm -
1 stop7h 25m
Mon 11/165:58 pm -
1 stop7h 45m
Deal found 10/15![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/18. 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.
Tue 11/242:24 pm -
1 stop7h 30m
Thu 12/35:57 pm -
1 stop7h 52m
Deal found 10/18![American Airlines logo]()
$432
One-way flights from Portland to Sioux FallsSearch for one-way flight options from Portland to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Portland to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Tue 12/2910:28 pm -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Thu 12/311:04 pm -
3 stops24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$271
This American Airlines deal was found by Cheapflights users on 10/15. 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 12/316:19 am -
1 stop9h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 10/15. 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.
Mon 12/286:05 am -
1 stop8h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/15. 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 12/3012:49 pm -
1 stop5h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![United Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 10/15. 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 12/2711:52 pm -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![United Airlines logo]()
$423
This deal was found by Cheapflights users on 10/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:25 pm -
1 stop5h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![United Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/276:05 am -
2 stops10h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$478
Find flight deals from Portland to Sioux Falls
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Sioux Falls (FSD). 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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $341 (United Airlines) |
One-way from | $197 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $398 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Sioux Falls 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 October 19, 2026.
Use the filters below to find and compare flights from Portland to Sioux Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Fri 4/16
3:10 pm-10:51 pm
1 stop5h 41m
Sioux Falls Joe Foss Field
Tue 4/20
1:00 pm-4:24 pm
1 stop5h 24m
$350
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Fri 11/6
2:34 pm-11:29 pm
1 stop6h 55m
Sioux Falls Joe Foss Field
Thu 11/19
5:55 am-9:36 am
1 stop5h 41m
$359
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Tue 11/10
9:00 am-9:37 pm
2 stops10h 37m
Sioux Falls Joe Foss Field
Thu 11/19
5:55 am-9:36 am
1 stop5h 41m
$364
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Mon 11/23
4:25 pm-11:44 pm
1 stop5h 19m
Sioux Falls Joe Foss Field
Tue 12/1
5:22 pm-9:15 pm
1 stop5h 53m
$364
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Wed 12/30
12:49 pm-8:15 pm
1 stop5h 26m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$380
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Fri 11/6
3:22 pm-11:22 pm
1 stop6h 00m
Sioux Falls Joe Foss Field
Sun 11/8
8:30 am-12:38 pm
1 stop6h 08m
$394
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Tue 11/24
2:34 pm-11:29 pm
1 stop6h 55m
Sioux Falls Joe Foss Field
Thu 12/3
7:40 am-3:19 pm
1 stop9h 39m
$399
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Thu 10/29
3:00 pm-11:56 pm
1 stop6h 56m
Sioux Falls Joe Foss Field
Sat 11/7
8:00 am-1:33 pm
1 stop7h 33m
$404
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Fri 4/16
12:40 pm-8:46 pm
1 stop6h 06m
Sioux Falls Joe Foss Field
Tue 4/20
9:14 am-4:11 pm
2 stops8h 57m
$404
Quickest round-trip
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Tue 11/3
4:25 pm-11:44 pm
1 stop5h 19m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$429
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Portland to Sioux Falls
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 Portland to Sioux Falls in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Portland-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Sioux Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Sioux Falls 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 Portland-Sioux Falls 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 Portland to Sioux Falls
Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Portland with our price prediction graph.
PDX-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 Sioux Falls
How far ahead should I book a flight from Portland to Sioux Falls?
The price you pay for your flight from Portland to Sioux Falls may vary depending on when you book. For the best chance of a lower fare, look to book 45 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Portland to Sioux Falls?
Currently, February is the cheapest month in which you can book a flight from Portland to Sioux Falls (average of $295). Flying from Portland to Sioux Falls in July is currently the most expensive (average of $519). 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.
How much does it cost to fly round-trip from Portland to Sioux Falls?
Airfare is typical for this route at the moment.
Portland to Sioux Falls flights typically cost between $339 and $487 in December.The cheapest round-trip price found within the last 5 days was $341 on United Airlines (Dec 2-Dec 12).
Reviews of airlines servicing Sioux Falls
Get insights into the airlines that provide service to Sioux Falls. 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 Sioux Falls. Reviews last updated October 19, 2026.
Read through reviews of airlines operating flights from Portland to Sioux Falls, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
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 Sioux Falls. 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 Sioux Falls?
Book flights to Sioux Falls if you plan to visit one of these locationsYankton
Marshall
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Alternative routes for Portland to Sioux Falls
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Portland and Sioux Falls flights
Browse other Portland and Sioux Falls flight options. Last updated on October 19, 2026.
Other flights from Portland
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Top 3 airlines flying from Portland to Sioux Falls
Discover the top 3 airlines that operate flights from Portland to Sioux Falls. 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 October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$420 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$290 | Average$450 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$300 | Average$420 | FlexibilityNo cancel fee | On-time71% |