$110 Cheap Delta flights Portland (PDX) to Sioux Falls (FSD)

Grab cheap round-trip Delta Air Lines flights from $240 from PDX to FSD by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $110 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for one-way or return flights to Sioux Falls in January or December. You could find a cheap fare with Delta Air Lines during these off-peak travel months.

Look for affordable Delta Air Lines flights from Portland Intl. Airport (PDX) to Sioux Falls Regional Airport (FSD) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Enter your dates, click search and check “Nonstop” on Expedia to browse any direct flights from PDX to FSD with Delta Air Lines or another carrier.

Filter your results by “Early Morning” and “Morning” to browse the earliest departures from PDX to FSD. Taking off early means you’re 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Sioux Falls Regional Airport (FSD) is the primary Sioux Falls hub for Delta Air Lines flights from Portland Intl. Airport (PDX).

Delta Air Lines makes flying from PDX to FSD more comfortable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Delta SkyMiles. Don’t forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually cancel or change your flight, although there may be additional fees if you booked over 24 hours ago. Need to keep your options open? Use our “Changes included” and “No cancel fee” filters to find flights that won’t penalize you if you need to adjust your plans. To modify your booking, head to “Trips,” select your flight and click on “Manage Booking” for more details.