$129 Cheap Delta flights San Francisco (SFO) to Chicago (ORD)

Finding cheap one-way Delta Air Lines flights from SFO to ORD from $129 on Expedia is easy — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $257 for your next exciting getaway.**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.

January is one of the most affordable months to jet off to Chicago with Delta Air Lines. You could also find great deals on one-way and round-trip tickets in February.

For cheap Delta Air Lines fares from San Francisco Intl. Airport (SFO) to O’Hare Intl. Airport (ORD), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the overall price. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.

Fill in your dates, press search and check “Nonstop” on Expedia to browse any direct flights from SFO to ORD with Delta Air Lines or another airline.

To find the earliest departure from SFO to ORD with Delta Air Lines, sort your results by “Early Morning” and “Morning.” Booking an early flight usually means you’re 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 hub for Delta Air Lines flights from San Francisco Intl. Airport (SFO).

Delta Air Lines makes flying from SFO to ORD more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You could even start earning 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 bookings.*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 details 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, apply the “Changes included” or “No cancel fee” filter when planning your next getaway.