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

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

The cheapest flights to O'Hare Intl. found within the past 7 days were CA $344 round trip and CA $153 one way. Prices and availability subject to change. Additional terms may apply.

Thu, Dec 4 - Wed, Dec 10
SFO
San Francisco
ORD
Chicago
CA $344 Roundtrip, found 1 hour ago
CA $344
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Dec 4 from San Francisco to Chicago, returning Wed, Dec 10, priced at CA $344 found 1 hour ago
Thu, Dec 4 - Wed, Dec 10
SFO
San Francisco
ORD
Chicago
CA $358 Roundtrip, found 1 hour ago
CA $358
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Dec 4 from San Francisco to Chicago, returning Wed, Dec 10, priced at CA $358 found 1 hour ago
Thu, Dec 4 - Wed, Dec 10
SFO
San Francisco
ORD
Chicago
CA $371 Roundtrip, found 1 hour ago
CA $371
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Dec 4 from San Francisco to Chicago, returning Wed, Dec 10, priced at CA $371 found 1 hour ago
Thu, Dec 4 - Wed, Dec 10
SFO
San Francisco
ORD
Chicago
CA $373 Roundtrip, found 1 hour ago
CA $373
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Dec 4 from San Francisco to Chicago, returning Wed, Dec 10, priced at CA $373 found 1 hour ago
Thu, Dec 4 - Wed, Dec 10
SFO
San Francisco
ORD
Chicago
CA $385 Roundtrip, found 1 hour ago
CA $385
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Dec 4 from San Francisco to Chicago, returning Wed, Dec 10, priced at CA $385 found 1 hour ago
Thu, Dec 4 - Wed, Dec 10
SFO
San Francisco
ORD
Chicago
CA $387 Roundtrip, found 1 hour ago
CA $387
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Dec 4 from San Francisco to Chicago, returning Wed, Dec 10, priced at CA $387 found 1 hour ago
Sat, Jan 10 - Sun, Jan 18
SFO
San Francisco
ORD
Chicago
CA $395 Roundtrip, found 5 days ago
CA $395
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Jan 10 from San Francisco to Chicago, returning Sun, Jan 18, priced at CA $395 found 5 days ago
Thu, Dec 4 - Wed, Dec 10
SFO
San Francisco
ORD
Chicago
CA $399 Roundtrip, found 1 hour ago
CA $399
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Dec 4 from San Francisco to Chicago, returning Wed, Dec 10, priced at CA $399 found 1 hour ago
Thu, Dec 4 - Wed, Dec 10
SFO
San Francisco
ORD
Chicago
CA $401 Roundtrip, found 1 hour ago
CA $401
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Dec 4 from San Francisco to Chicago, returning Wed, Dec 10, priced at CA $401 found 1 hour ago
Thu, Dec 4 - Wed, Dec 10
SFO
San Francisco
ORD
Chicago
CA $410 Roundtrip, found 1 hour ago
CA $410
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Dec 4 from San Francisco to Chicago, returning Wed, Dec 10, priced at CA $410 found 1 hour ago

Frequently asked questions

Are there direct flights from San Francisco Intl. Airport (SFO) to O'Hare Airport?
Begin your getaway calm and relaxed and jet straight to O'Hare Intl. Airport (ORD) from San Francisco Intl. Airport (SFO). United Airlines and American Airlines are among the airlines that operate nonstop services on this route.
What airlines fly from San Francisco Airport to O'Hare Intl. Airport (ORD)?
There are a couple of airlines with direct flights from SFO to ORD. United Airlines (UA) is one of the most reputable, and operates around 243 flights every month. You may want to also browse the deals on offer from American Airlines (AA). This airline operates 126 flights monthly on the San Francisco to Chicago route. Be sure to compare the two airlines to pick up the best fare.
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.

Popular Flight Routes from San Francisco (SFO)

Travelers at SFO love to visit these top cities. Roam to the top destinations from San Francisco (SFO) today with the cheap prices from Travelocity!

Popular Flight Routes from Chicago (ORD)

Travelers at ORD love to visit these top cities. Roam to the top destinations from Chicago(ORD) today with the cheap prices from 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.