$90 Cheap American Airlines flights Chicago (ORD) to San Francisco (SFO)

You can find affordable return American Airlines flights from $179 from ORD to SFO by filtering your results from “Price (lowest to highest)” on Expedia. Or search for deals from $90 for a one-way trip.**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 San Francisco in February or April. You could find a cheap fare with American Airlines during these off-peak months.

Begin your search one to three months ahead of your travel date to find cheap fares on American Airlines flights from O’Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO). 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.* Nail your timing, and you can enjoy significant savings on domestic flights.*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.

American Airlines offers direct flights from O’Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO), with 13 weekly departures. Just choose the “Nonstop” and “Airline” filters during your search on Expedia to see all direct American Airlines flights to SFO.

The journey time for a direct American Airlines flight from O’Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO) takes around 4h 52m.

If flexibility is what you’re after, Thursday offers the most choice for American Airlines flights from O’Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO). Take your pick of 2 different departures.

Leaving ORD at 8:30AM UTC-6, the first American Airlines flight to SFO lands at 11:24AM UTC-8. Traveling earlier in the day means you’ll be less likely to experience delays.* After something later? The last American Airlines flight from ORD to SFO departs at 1:00PM UTC-6 and touches down at 3:50PM UTC-8.*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.

San Francisco Intl. Airport (SFO) is the main arrival point for American Airlines flights from O’Hare Intl. Airport (ORD) to San Francisco. But the airline also travels to Norman Y. Mineta San Jose Intl. Airport (SJC). Make sure you choose the “All Airports” option for your destination to see all available choices for your break in San Francisco.

For the O’Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO) route, American Airlines typically operates Boeing 737 MAX 8 and Boeing 737-800 planes. Remember that last-minute changes can occur for operational demands, so your flight could be on another aircraft.

You can usually cancel or change your flight, although additional charges may apply if your booking was made more than 24 hours ago. Prefer to keep your options open? Use Expedia’s “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you have to revise your plans. To modify your booking, go to “Trips,” select your flight and click on “Manage Booking” for more details.