$138 Cheap Delta flights Oklahoma City (OKC) to Chicago (ORD)

Finding cheap one-way Delta Air Lines flights from OKC to ORD from $138 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares from $267 for your next exciting adventure.**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 are typically more affordable in the quieter months of January and February. Whether you’re in search of a return or one-way ticket, you could score a better deal then.

Begin your search one to three months ahead of your travel date to get cheaper fares on Delta Air Lines flights from Will Rogers World Airport (OKC) to O’Hare Intl. Airport (ORD). 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 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 your timing spot on, and you can enjoy significant savings on domestic journeys.*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 see if there’s a direct route from OKC to ORD with Delta Air Lines or another airline, select the “Nonstop” filter when looking for tickets.

Sort your results by “Early Morning” and “Morning” to find the earliest departures from OKC 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.

Hop on a Delta Air Lines flight from Will Rogers World Airport (OKC) to Chicago, and you’ll likely come in to O’Hare Intl. Airport (ORD). This is the airline’s primary hub in this destination.

Flying from OKC to ORD with Delta Air Lines means enjoying a host of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to spend on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making a booking, but your airline may charge you after that time. For further information about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to update your itinerary without additional charges, tick the “Changes included” or “No cancel fee” filter when organizing your next trip.