$125+ Cheap flights from Portland to Sioux Falls (PDX - FSD)
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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — FSD
May 22 — May 291
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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Best
Last-minute
One-way
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 April 22, 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 April 22, 2026.
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:37 am
PDX
- FSD
1 stop8h 18m
American Airlines
Sat 6/68:16 am
FSD
- PDX
1 stop6h 39m
American Airlines
Deal found 4/21![American Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:00 pm
PDX
- FSD
1 stop6h 12m
Delta
Tue 7/71:30 pm
FSD
- PDX
1 stop8h 45m
Delta
Deal found 4/20![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Fri 6/54:15 pm
PDX
- FSD
1 stop5h 38m
United Airlines
Mon 6/86:51 pm
FSD
- PDX
1 stop6h 04m
United Airlines
Deal found 4/20![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:35 pm
PDX
- FSD
1 stop7h 36m
Delta
Sat 6/69:15 am
FSD
- PDX
2 stops8h 41m
Delta
Deal found 4/21![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 4/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:10 am
PDX
- FSD
1 stop9h 45m
American Airlines
Tue 7/74:49 pm
FSD
- PDX
1 stop9h 08m
American Airlines
Deal found 4/19![American Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:00 am
PDX
- FSD
1 stop10h 49m
Delta
Mon 6/88:23 am
FSD
- PDX
2 stops9h 56m
Delta
Deal found 4/20![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:10 pm
PDX
- FSD
1 stop6h 01m
Delta
Tue 5/198:19 am
FSD
- PDX
2 stops9h 41m
Delta
Deal found 4/21![Delta logo]()
$380
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:30 am
PDX
- FSD
1 stop7h 42m
Delta
Sat 5/24:17 pm
FSD
- PDX
1 stop5h 50m
Delta
Deal found 4/20![Delta logo]()
$391
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Fri 5/2211:53 pm
PDX
- FSD
1 stop8h 48m
United Airlines
Mon 5/256:00 am
FSD
- PDX
1 stop5h 47m
United Airlines
Deal found 4/21![United Airlines logo]()
$394
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 April 22, 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 April 22, 2026.
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:40 pm
PDX
- FSD
2 stops7h 31m
Delta
Sat 6/69:15 am
FSD
- PDX
2 stops8h 41m
Delta
Deal found 4/21![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Thu 7/304:15 pm
PDX
- FSD
1 stop5h 38m
United Airlines
Sun 8/26:00 am
FSD
- PDX
1 stop5h 48m
United Airlines
Deal found 4/20![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 4/17. 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.
Sat 6/273:00 pm
PDX
- FSD
1 stop6h 12m
Delta
Tue 7/71:30 pm
FSD
- PDX
1 stop8h 45m
Delta
Deal found 4/17![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 4/19. 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.
Sat 8/85:15 am
PDX
- FSD
2 stops12h 53m
United Airlines
Sat 8/151:19 pm
FSD
- PDX
2 stops11h 41m
United Airlines
Deal found 4/19![United Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:45 pm
PDX
- FSD
2 stops13h 00m
United Airlines
Sun 5/106:00 am
FSD
- PDX
2 stops10h 06m
United Airlines
Deal found 4/17![United Airlines logo]()
$570
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/147:05 pm
PDX
- FSD
1 stop23h 15m
United Airlines
Mon 5/186:42 pm
FSD
- PDX
1 stop7h 13m
United Airlines
Deal found 4/22![United Airlines logo]()
$580
This United Airlines deal was found by Cheapflights users on 4/22. 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 7/94:15 pm
PDX
- FSD
1 stop5h 38m
United Airlines
Sun 7/196:00 am
FSD
- PDX
2 stops8h 14m
United Airlines
Deal found 4/22![United Airlines logo]()
$588
This United Airlines deal was found by Cheapflights users on 4/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:35 pm
PDX
- FSD
2 stops17h 09m
United Airlines
Mon 5/186:42 pm
FSD
- PDX
1 stop7h 13m
United Airlines
Deal found 4/18![United Airlines logo]()
$627
Last-minute flights from Portland to Sioux FallsDiscover last-minute flight deals from Portland to Sioux Falls. Data last updated April 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Sioux Falls. Data last updated April 22, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/17. 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.
Sat 4/251:32 pm
PDX
- FSD
2 stops7h 30m
Delta
Tue 4/281:44 pm
FSD
- PDX
2 stops12h 09m
Delta
Deal found 4/17![Delta logo]()
$401
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:30 am
PDX
- FSD
1 stop7h 42m
Delta
Sat 5/24:17 pm
FSD
- PDX
1 stop5h 50m
Delta
Deal found 4/20![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 4/17. 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.
Thu 4/3012:30 am
PDX
- FSD
1 stop7h 42m
Delta
Mon 5/44:17 pm
FSD
- PDX
1 stop5h 50m
Delta
Deal found 4/17![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 4/17. 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 5/56:00 am
PDX
- FSD
1 stop8h 58m
American Airlines
Sun 5/105:28 pm
FSD
- PDX
1 stop8h 26m
American Airlines
Deal found 4/17![American Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:10 pm
PDX
- FSD
1 stop6h 01m
Delta
Tue 5/198:19 am
FSD
- PDX
2 stops9h 41m
Delta
Deal found 4/21![Delta logo]()
$380
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:10 pm
PDX
- FSD
1 stop6h 01m
Delta
Tue 5/198:19 am
FSD
- PDX
2 stops9h 41m
Delta
Deal found 4/21![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 5/214:15 pm
PDX
- FSD
1 stop5h 38m
United Airlines
Thu 5/286:00 am
FSD
- PDX
1 stop7h 38m
United Airlines
Deal found 4/21![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Fri 5/2211:53 pm
PDX
- FSD
1 stop8h 48m
United Airlines
Mon 5/256:00 am
FSD
- PDX
1 stop5h 47m
United Airlines
Deal found 4/21![United Airlines logo]()
$394
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 April 22, 2026.
Search for one-way flight options from Portland to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated April 22, 2026.
This Priceline deal was found by Cheapflights users on 4/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:48 am
PDX
- FSD
1 stop5h 33m
Frontier
Deal found 4/17![Frontier logo]()
$125
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:35 pm
PDX
- FSD
1 stop7h 36m
Delta
Deal found 4/20![Delta logo]()
$146
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 5/195:30 am
PDX
- FSD
2 stops12h 50m
United Airlines
Deal found 4/20![United Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:46 pm
PDX
- FSD
2 stops15h 36m
Frontier
Deal found 4/21![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:58 pm
PDX
- FSD
1 stop22h 52m
Allegiant Air
Deal found 4/19![Allegiant Air logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:19 pm
PDX
- FSD
1 stop14h 32m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:42 pm
PDX
- FSD
2 stops19h 07m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/275:42 pm
PDX
- FSD
2 stops47h 37m
Frontier
Deal found 4/19![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:19 pm
PDX
- FSD
1 stop14h 32m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/255:42 pm
PDX
- FSD
2 stops23h 37m
Frontier
Deal found 4/19![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:20 pm
PDX
- FSD
1 stop23h 59m
Frontier
Deal found 4/19![Frontier logo]()
$305
This American Airlines deal was found by Cheapflights users on 4/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:57 pm
PDX
- FSD
1 stop11h 21m
American Airlines
Deal found 4/20![American Airlines logo]()
$321
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 April 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $320 (American Airlines) |
One-way from | $125 (Priceline) |
Popular in | December |
Cheapest in | February |
Average price | $408 |
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 2,558,603 searches. Data last updated April 22, 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 - FSD
PDXFSD
Portland
Tue 6/2
1:40 pm-11:11 pm
2 stops7h 31m
Sioux Falls Joe Foss Field
Sat 6/6
9:15 am-3:56 pm
2 stops8h 41m
$359
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Sat 6/27
3:00 pm-11:12 pm
1 stop6h 12m
Sioux Falls Joe Foss Field
Tue 7/7
1:30 pm-8:15 pm
1 stop8h 45m
$375
Quickest round-trip
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Thu 7/30
4:15 pm-11:53 pm
1 stop5h 38m
Sioux Falls Joe Foss Field
Sun 8/2
6:00 am-9:48 am
1 stop5h 48m
$509
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Sat 8/8
5:15 am-8:08 pm
2 stops12h 53m
Sioux Falls Joe Foss Field
Sat 8/15
1:19 pm-11:00 pm
2 stops11h 41m
$564
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Tue 5/5
7:45 pm-10:45 am
2 stops13h 00m
Sioux Falls Joe Foss Field
Sun 5/10
6:00 am-2:06 pm
2 stops10h 06m
$570
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Thu 5/14
7:05 pm-8:20 pm
1 stop23h 15m
Sioux Falls Joe Foss Field
Mon 5/18
6:42 pm-11:55 pm
1 stop7h 13m
$580
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Thu 7/9
4:15 pm-11:53 pm
1 stop5h 38m
Sioux Falls Joe Foss Field
Sun 7/19
6:00 am-12:14 pm
2 stops8h 14m
$588
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Fri 5/15
5:35 pm-12:44 pm
2 stops17h 09m
Sioux Falls Joe Foss Field
Mon 5/18
6:42 pm-11:55 pm
1 stop7h 13m
$627
Cheapest one-way
Quickest one-way
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Mon 4/27
11:48 am-7:21 pm
1 stop5h 33m
$125
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Sun 8/9
6:58 pm-7:50 pm
1 stop22h 52m
$199
Showing 1-10 of 18 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 April.
| 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 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?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Sioux Falls. Price data was last updated on April 17, 2026.
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 34 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 $310). Flying from Portland to Sioux Falls in December is currently the most expensive (average of $564). 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?
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 April 22, 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.
Food
7.2
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Entertainment
7.8
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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Top 4 airlines flying from Portland to Sioux Falls
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$170 | Average$248 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$250 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$250 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$259 | Average$449 | FlexibilityNo cancel fee | On-time69% |