$166 Cheap Delta flights Chicago (ORD) to Sioux Falls (FSD)

Set the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines round-trip flights from $214 from ORD to FSD. Affordable one-way fares from $166 are available too.**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.

Delta Air Lines flights to Sioux Falls are generally cheaper in the quieter months of January and December. Whether you need a one-way or a return ticket, you could find a better deal then.

Begin your search one to three months ahead of your departure date to get cheaper fares on Delta Air Lines flights from O’Hare Intl. Airport (ORD) to Sioux Falls Regional Airport (FSD). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic trips.*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.

To find out if there’s a direct trip from ORD to FSD with Delta Air Lines or any other carriers, check the “Nonstop” box when searching for tickets.

Filter your results by “Morning” and “Early Morning” to see the earliest departures from ORD 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 main Sioux Falls hub for Delta Air Lines flights from O’Hare Intl. Airport (ORD).

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is the leading choice for many travelers heading from ORD to FSD. What’s more, if you’re a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making a booking, but your airline may charge a fee after that. For further details about modifying your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to make changes without being charged, check the “Changes included” and “No cancel fee” filters when organizing your next adventure.