Cheap Flights From O'Hare Intl. (ORD) To San Francisco Intl. (SFO)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly

Cheapest Flights from Chicago (ORD) to San Francisco (SFO)

The cheapest flights to San Francisco Intl. found within the past 7 days were CA $340 round trip and CA $159 one way. Prices and availability subject to change. Additional terms may apply.

Fri, May 1 - Sat, May 9
ORD
Chicago
SFO
San Francisco
CA $340 Roundtrip, found 3 hours ago
CA $340
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Fri, May 1 from Chicago to San Francisco, returning Sat, May 9, priced at CA $340 found 3 hours ago
Thu, May 7 - Mon, May 11
ORD
Chicago
SFO
San Francisco
CA $348 Roundtrip, found 2 days ago
CA $348
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, May 7 from Chicago to San Francisco, returning Mon, May 11, priced at CA $348 found 2 days ago
Thu, May 7 - Mon, May 11
ORD
Chicago
SFO
San Francisco
CA $349 Roundtrip, found 2 days ago
CA $349
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, May 7 from Chicago to San Francisco, returning Mon, May 11, priced at CA $349 found 2 days ago
Wed, Apr 15 - Fri, Apr 17
ORD
Chicago
SFO
San Francisco
CA $353 Roundtrip, found 4 days ago
CA $353
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Apr 15 from Chicago to San Francisco, returning Fri, Apr 17, priced at CA $353 found 4 days ago
Fri, May 1 - Sat, May 9
ORD
Chicago
SFO
San Francisco
CA $368 Roundtrip, found 3 hours ago
CA $368
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Fri, May 1 from Chicago to San Francisco, returning Sat, May 9, priced at CA $368 found 3 hours ago
Thu, May 7 - Mon, May 11
ORD
Chicago
SFO
San Francisco
CA $375 Roundtrip, found 2 days ago
CA $375
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, May 7 from Chicago to San Francisco, returning Mon, May 11, priced at CA $375 found 2 days ago
Thu, May 7 - Mon, May 11
ORD
Chicago
SFO
San Francisco
CA $377 Roundtrip, found 2 days ago
CA $377
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, May 7 from Chicago to San Francisco, returning Mon, May 11, priced at CA $377 found 2 days ago
Thu, May 7 - Mon, May 11
ORD
Chicago
SFO
San Francisco
CA $378 Roundtrip, found 2 days ago
CA $378
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, May 7 from Chicago to San Francisco, returning Mon, May 11, priced at CA $378 found 2 days ago
Thu, May 7 - Mon, May 11
ORD
Chicago
SFO
San Francisco
CA $381 Roundtrip, found 2 days ago
CA $381
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, May 7 from Chicago to San Francisco, returning Mon, May 11, priced at CA $381 found 2 days ago
Wed, Apr 15 - Fri, Apr 17
ORD
Chicago
SFO
San Francisco
CA $388 Roundtrip, found 4 days ago
CA $388
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Apr 15 from Chicago to San Francisco, returning Fri, Apr 17, priced at CA $388 found 4 days ago

Frequently asked questions

Are there direct flights from O'Hare Airport to San Francisco Airport?
Your next incredible adventure is on the other side of a single flight. You can travel direct from O'Hare Intl. Airport (ORD) to San Francisco Airport with multiple airlines, including United Airlines and American Airlines.
What airlines fly from O'Hare Intl. Airport (ORD) to SFO?
If you're planning a trip to San Francisco from Chicago, there are several airlines advertising direct flights. One of the most well-known is United Airlines (UA), which operates 243 flights on this route every month. A popular alternative is American Airlines (AA), which has 126 flights each month. The more airlines you take into account, the more likely you are to score a sensational deal.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.

Explore More Ways to Travel with Travelocity

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.