Cheap Flights from Chicago to San Francisco

More Flash, Less Cash - Take advantage of our Price Pledge** (even on luxey stays)

We keep it easy with the option to pay now or later on select accommodation

Book up 'til the last second - millions of rooms to crash tonight^

Amazing ORD to SFO Flight Deals

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed., 26 Mar. - Tue., 8 Apr.
ORD
Chicago
SFO
San Francisco
AU$382 Return, found 1 day ago
AU$382
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed., 26 Mar. from Chicago to San Francisco, returning Tue., 8 Apr., priced at AU$382 found 1 day ago
Wed., 26 Mar. - Sat., 5 Apr.
ORD
Chicago
SFO
San Francisco
AU$397 Return, found 1 day ago
AU$397
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed., 26 Mar. from Chicago to San Francisco, returning Sat., 5 Apr., priced at AU$397 found 1 day ago
Sat., 29 Mar. - Sat., 5 Apr.
ORD
Chicago
SFO
San Francisco
AU$411 Return, found 1 day ago
AU$411
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat., 29 Mar. from Chicago to San Francisco, returning Sat., 5 Apr., priced at AU$411 found 1 day ago
Thu., 27 Mar. - Tue., 8 Apr.
ORD
Chicago
SFO
San Francisco
AU$412 Return, found 1 day ago
AU$412
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu., 27 Mar. from Chicago to San Francisco, returning Tue., 8 Apr., priced at AU$412 found 1 day ago
Wed., 26 Mar. - Thu., 3 Apr.
ORD
Chicago
SFO
San Francisco
AU$427 Return, found 1 day ago
AU$427
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed., 26 Mar. from Chicago to San Francisco, returning Thu., 3 Apr., priced at AU$427 found 1 day ago
Fri., 28 Mar. - Sat., 5 Apr.
ORD
Chicago
SFO
San Francisco
AU$442 Return, found 1 day ago
AU$442
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri., 28 Mar. from Chicago to San Francisco, returning Sat., 5 Apr., priced at AU$442 found 1 day ago

Frequently asked questions

How long is the flight from O'Hare Airport to SFO?
It’ll take around 4 hours and 42 minutes to fly between ORD and SFO. How many times do you think you can flip through that food-stained magazine in your seat pocket? Do yourself a favour and pack a good book to help pass the time.
Are there non-stop flights between O'Hare Intl. Airport (ORD) and San Francisco Airport?
If your master plan is to stroll on board, down one or two cold ones, then snooze away till you feel the plane touchdown, taking a direct flight is the only sensible option. United Airlines and American Airlines offer nonstop routes from Chicago to San Francisco, so your peaceful slumber won’t be interrupted with any time-wasting stopovers.
What airlines fly non-stop from O'Hare Intl. Airport (ORD) to SFO?
Don’t want the fuss of switching planes between O’Hare Intl. Airport (ORD) and SFO? Who would? You’ll find several airlines advertising direct flights. One popular choice is United Airlines (UA), which has 243 flights on this route every month. However, your search doesn’t have to end there. American Airlines (AA) operates 126 flights per month. Choose one. Lock it in. You’re ready to roll!
How many flights are flown between O'Hare Airport and SFO?
You’ll find around 13 flights between O’Hare Airport and San Francisco Airport each day. Yep, you heard right, it’s never too late to take off on a lastminute break to San Francisco.
What are the cheapest days to book a flight?
Looking at lastminute.com.au travel demand in 2021, Wednesdays and Sundays are often the best days to book flights, when prices are generally at their cheapest. You may be tempted to wait to finalise your booking on Saturdays, but our data tells us ticket prices are actually highest on Saturdays. Something to consider when planning your next holiday!
What is the cheapest month to fly?
Here’s the lowdown on the lowest airfares: May is the cheapest month to fly. When looking at 2021 flight demand on lastminute.com.au, flights departing in May generally have the lowest ticket prices. As for the most expensive month to fly, our demand data found that on average, airfares are highest in December.
How far in advance can you book a flight?
Itching to book your dream trip? We totally get it. You can start looking at flights on lastminute.com.au as early as 12 months in advance, but just keep in mind some airlines may not release all their available fares that early. But good news for last minute travellers, with 2021 lastminute.com.au data proving spontaneous travellers can still bag a bargain with some of the cheapest airfares appearing just 1 week prior to travel.*According to flight demand on lastminute.com.au from January to December 2021. Savings are subject to change and may vary depending on selections made.
O'Hare Intl. to San Francisco Intl. Flight
Origin airport
O'Hare Intl.
Origin city name
Chicago
Destination airport
San Francisco Intl.
Destination city name
San Francisco
Distance
2947 km

Last Minute Chicago to San Francisco Flights

If you’re searching for cheap Chicago to San Francisco flights, we’ve got you covered. Whether you’re travelling for business or booking a holiday getaway, Lastminute.com.au sources discount airfares to get you from Chicago to San Francisco, for less.

Booking a flight should be easy and we’re here to help. Use our simple search tool to find early bird fares or cheap last minute flights, including great economy deals or business class tickets. We make it easy to compare arrival and departure times, find check in information, as well as provide flight status details and round the clock customer support. Even if you’ve left getting from Chicago to San Francisco to the last second, finding a flight is easy with Lastminute.com.au!

*Prices are "from" prices based on the lowest available fare on the sample travel dates for one adult and will be confirmed prior to any payment being made. The price is not guaranteed until paid in full by cleared funds and your tickets are issued. Fees may apply for checked baggage. There may be an additional fee based on your payment type and flight selected. Total purchase price, inclusive of any applicable fees, is displayed on the flight details page prior to booking confirmation. Blackout dates and other restrictions may apply. Fares may be non-refundable (subject to applicable laws) and are not transferable. Name changes may not be permitted.Offers are subject to availability and may be discontinued without notice. Conditions apply.