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Flights from Portland to Sioux Falls

Find flight deals from Portland to Sioux Falls for the next 3 months. Book one way flights from $197 or round trip flights from $310.

      • PDX 11:59 AM
        8h 15m
        1 stop
        FSD 10:14 PM
        Portland - Sioux Falls | Mon, May 25 | American Airlines
        FSD 7:18 PM
        23h 28m
        1 stop
        PDX 4:46 PM
        Sioux Falls - Portland | Sat, May 30 | Frontier Airlines
        $310 $515
        40% off
        40% off
        $515 $310
      • PDX 3:10 PM
        6h 1m
        1 stop
        FSD 11:11 PM
        Portland - Sioux Falls | Mon, Jun 8 | Delta Air Lines
        FSD 1:53 PM
        5h 44m
        1 stop
        PDX 5:37 PM
        Sioux Falls - Portland | Mon, Jun 15 | Delta Air Lines
        $383 $515
        26% off
        26% off
        $515 $383
      • PDX 12:31 AM
        7h 45m
        1 stop
        FSD 10:16 AM
        Portland - Sioux Falls | Sat, Jul 4 | Delta Air Lines
        FSD 1:53 PM
        8h 24m
        1 stop
        PDX 8:17 PM
        Sioux Falls - Portland | Thu, Jul 9 | Delta Air Lines
        $389 $515
        24% off
        24% off
        $515 $389
      • PDX 11:48 PM
        8h 53m
        1 stop
        FSD 10:41 AM
        Portland - Sioux Falls | Mon, May 25 | United Airlines
        FSD 5:05 PM
        7h 48m
        1 stop
        PDX 10:53 PM
        Sioux Falls - Portland | Sat, May 30 | United Airlines
        $397
        23% off
        $515 $397
      • PDX 3:00 PM
        6h 12m
        1 stop
        FSD 11:12 PM
        Portland - Sioux Falls | Tue, Jun 16 | Delta Air Lines
        FSD 1:53 PM
        8h 24m
        1 stop
        PDX 8:17 PM
        Sioux Falls - Portland | Wed, Jun 24 | Delta Air Lines
        $406
        21% off
        $515 $406
      • PDX 4:15 PM
        5h 38m
        1 stop
        FSD 11:53 PM
        Portland - Sioux Falls | Mon, Jun 8 | United Airlines
        FSD 6:51 PM
        6h 4m
        1 stop
        PDX 10:55 PM
        Sioux Falls - Portland | Mon, Jun 15 | United Airlines
        $409
        21% off
        $515 $409
      • PDX 4:15 PM
        5h 38m
        1 stop
        FSD 11:53 PM
        Portland - Sioux Falls | Sun, May 31 | United Airlines
        FSD 6:51 PM
        6h 4m
        1 stop
        PDX 10:55 PM
        Sioux Falls - Portland | Wed, Jun 3 | United Airlines
        $414
        20% off
        $515 $414
      • PDX 4:15 PM
        5h 38m
        1 stop
        FSD 11:53 PM
        Portland - Sioux Falls | Mon, Jun 15 | United Airlines
        FSD 6:51 PM
        6h 4m
        1 stop
        PDX 10:55 PM
        Sioux Falls - Portland | Wed, Jun 17 | United Airlines
        $432
        16% off
        $515 $432
      • PDX 4:15 PM
        5h 38m
        1 stop
        FSD 11:53 PM
        Portland - Sioux Falls | Sun, Jun 14 | United Airlines
        FSD 6:51 PM
        6h 7m
        1 stop
        PDX 10:58 PM
        Sioux Falls - Portland | Sat, Jun 20 | United Airlines
        $445
        14% off
        $515 $445
      • PDX 4:15 PM
        5h 38m
        1 stop
        FSD 11:53 PM
        Portland - Sioux Falls | Fri, May 29 | United Airlines
        FSD 9:30 AM
        7h 43m
        1 stop
        PDX 3:13 PM
        Sioux Falls - Portland | Tue, Jun 2 | United Airlines
        $468
        9% off
        $515 $468
      • PDX 1:00 PM
        17h 25m
        1 stop
        FSD 2:00 PM
        Portland - Sioux Falls | Wed, May 20 | Normal Airline
        FSD 3:00 PM
        6h
        Nonstop
        PDX 4:00 PM
        Sioux Falls - Portland | Fri, May 22 | Normal Airline
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      • PDX 5:20 PM
        23h 59m
        1 stop
        FSD 7:19 PM
        Portland - Sioux Falls | Fri, Jun 12 | Frontier Airlines
        $197 $555
        65% off
        65% off
        $555 $197
      • PDX 1:43 PM
        7h 28m
        1 stop
        FSD 11:11 PM
        Portland - Sioux Falls | Sat, May 30 | Delta Air Lines
        $320 $555
        42% off
        42% off
        $555 $320
      • PDX 12:35 PM
        25h 9m
        1 stop
        FSD 3:44 PM
        Portland - Sioux Falls | Wed, Jun 3 | Frontier Airlines
        $326 $555
        41% off
        41% off
        $555 $326
      • PDX 6:37 AM
        8h 17m
        1 stop
        FSD 4:54 PM
        Portland - Sioux Falls | Sat, May 30 | American Airlines
        $327
        41% off
        $555 $327
      • PDX 3:10 PM
        6h 1m
        1 stop
        FSD 11:11 PM
        Portland - Sioux Falls | Fri, Jun 5 | Delta Air Lines
        $333
        40% off
        $555 $333
      • PDX 11:40 PM
        9h 1m
        1 stop
        FSD 10:41 AM
        Portland - Sioux Falls | Thu, Jun 11 | United Airlines
        $334
        40% off
        $555 $334
      • PDX 12:46 PM
        5h 34m
        1 stop
        FSD 8:20 PM
        Portland - Sioux Falls | Thu, May 21 | United Airlines
        $335
        40% off
        $555 $335
      • PDX 11:40 PM
        9h 1m
        1 stop
        FSD 10:41 AM
        Portland - Sioux Falls | Sun, Jun 21 | United Airlines
        $335
        40% off
        $555 $335
      • PDX 10:40 PM
        10h 1m
        1 stop
        FSD 10:41 AM
        Portland - Sioux Falls | Mon, Jun 22 | United Airlines
        $335
        40% off
        $555 $335
      • PDX 1:35 PM
        7h 36m
        1 stop
        FSD 11:11 PM
        Portland - Sioux Falls | Fri, May 22 | Delta Air Lines
        $505
        9% off
        $555 $505
      • PDX 1:00 PM
        17h 25m
        1 stop
        FSD 2:00 PM
        Portland - Sioux Falls | Wed, May 20 | Normal Airline
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Displayed flight fares from Portland to Sioux Falls are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Portland to Sioux Falls (PDX-FSD)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $197 on Cheapest nonstop routes (e.g. PDX to FSD on Fri, Jun 12), while American Airlines offers Cheapest nonstop round-trips from $310 departing on Mon, May 25 and returning on Sat, May 30.
  • At the moment, you can catch a nonstop flight from Portland to Sioux Falls with the following airlines, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Portland to Sioux Falls is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Portland to Sioux Falls, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Jun 12, with one-way flights priced at just $197.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Sioux Falls travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Portland to Sioux Falls is October, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Portland to Sioux Falls on May 19, 2026 with Delta Air Lines, with prices starting at $141.
  • You can land at any one of the following hubs in Sioux Falls, with Portland International Airport to Sioux Falls Regional Airport (PDX-FSD) is by far the most common option on this route: Sioux Falls Regional Airport (FSD).
  • The time difference between Sioux Falls and Portland is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.