$99 Cheap Delta flights Raleigh (RDU) to Chicago (ORD)

You can discover affordable return Delta Air Lines flights from $161 from RDU to ORD by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $99 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.

Delta Air Lines flights to Chicago tend to be more affordable in the quieter months of January and February. Whether you’re searching for a one-way or round-trip ticket, you could find a better deal then.

Start searching one to three months ahead of your departure date to find cheaper fares on Delta Air Lines flights from Raleigh - Durham Intl. Airport (RDU) to O’Hare Intl. Airport (ORD). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, 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.

Simply enter your dates, press search and tick the “Nonstop” filter on Expedia to find any direct flights from RDU to ORD with Delta Air Lines or another carrier.

Sort your results by “Early Morning” and “Morning” to find the earliest flights from RDU to ORD. Leaving 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.

O’Hare Intl. Airport (ORD) is the main Chicago gateway for Delta Air Lines flights from Raleigh - Durham Intl. Airport (RDU).

Delta Air Lines makes traveling from RDU to ORD enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start collecting points with Delta SkyMiles. Don’t forget to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*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 you after that time. For more details about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to make changes without additional costs, apply the “No cancel fee” or “Changes included” filter when organizing your next getaway.