$86 Cheap United flights Chicago (ORD) to San Francisco (SFO)

View $86 flight on Sun, Aug 31, 2025Opens in a new window

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$86 Cheap United flights Chicago (ORD) to San Francisco (SFO)

Prices were available within the past 7 days and start at $86 for one-way flights and $171 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jul 2 - Fri, Jul 4
ORD
Chicago
SFO
San Francisco
$171 Roundtrip, found 1 hour ago
$171
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jul 2 from Chicago to San Francisco, returning Fri, Jul 4, priced at $171 found 1 hour ago
United
Sun, Aug 31 - Tue, Sep 2
ORD
Chicago
SFO
San Francisco
$184 Roundtrip, found 1 hour ago
$184
Roundtrip
found 1 hour ago
Select United flight, departing Sun, Aug 31 from Chicago to San Francisco, returning Tue, Sep 2, priced at $184 found 1 hour ago
United
Wed, Jul 2 - Fri, Jul 4
ORD
Chicago
SFO
San Francisco
$186 Roundtrip, found 1 hour ago
$186
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jul 2 from Chicago to San Francisco, returning Fri, Jul 4, priced at $186 found 1 hour ago
United
Sun, Aug 31 - Tue, Sep 2
ORD
Chicago
SFO
San Francisco
$194 Roundtrip, found 1 hour ago
$194
Roundtrip
found 1 hour ago
Select United flight, departing Sun, Aug 31 from Chicago to San Francisco, returning Tue, Sep 2, priced at $194 found 1 hour ago
United
Fri, Aug 29 - Sun, Aug 31
ORD
Chicago
SFO
San Francisco
$194 Roundtrip, found 1 hour ago
$194
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Aug 29 from Chicago to San Francisco, returning Sun, Aug 31, priced at $194 found 1 hour ago
United
Fri, Jul 4 - Tue, Jul 29
ORD
Chicago
SFO
San Francisco
$195 Roundtrip, found 4 hours ago
$195
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Jul 4 from Chicago to San Francisco, returning Tue, Jul 29, priced at $195 found 4 hours ago
Flights from Chicago (ORD) to San Francisco (SFO)
Origin airport
O'Hare Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
1842 mi
Average flight time
2 hours 41 mins

Frequently asked questions

How much is a United Airlines flight from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO)?
Landing cheap one-way United Airlines flights from ORD to SFO from $86 on Expedia couldn't be easier --- just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $171 for your next exciting adventure.**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.
What is the cheapest month to fly from ORD to SFO with United Airlines?
February is one of the cheapest months to get away to San Francisco with United Airlines. You could also find great deals on one-way and return tickets in April.
What is the cheapest time to book flights from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO) with United Airlines?
Begin your search one to three months before your departure to score cheap fares on United 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 versus 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.* Get your timing spot on, 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.
Does United Airlines fly nonstop from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO)?
You can easily fly from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO) on one of United Airlines's 53 weekly direct flights. Make use of our "Nonstop" and "Airline" filters to find the United Airlines flight that'll get you to SFO at your preferred time.
How long does it take to fly from ORD to SFO with United Airlines?
On average, it takes 4h 53m to fly nonstop from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO) with United Airlines.
Which day of the week has the most United Airlines flights from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO)?
Wednesday has the most United Airlines flights from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO). With 8 daily departures, this is the best day of the week to find something that will work for your schedule.
What is the earliest United Airlines flight from ORD to SFO?
Departing ORD at 6:30AM UTC-6, the first United Airlines flight to SFO arrives at 9:24AM UTC-8. Flying early means you'll be less likely to encounter delays.* Not a morning person? The last United Airlines flight from ORD to SFO departs at 8:25PM UTC-6 and touches down at 11:27PM 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.
What airports does United Airlines fly into in San Francisco?
Most United Airlines flights from O'Hare Intl. Airport (ORD) to San Francisco touch down at San Francisco Intl. Airport (SFO). This is the airline's main point of entry to this destination. It's also worth checking Expedia for flights to nearby airports like Norman Y. Mineta San Jose Intl. Airport (SJC), as fares may be lower.
Why fly with United Airlines from ORD to SFO?
With a rewarding loyalty program, United Airlines is a favorite of many passengers departing from ORD to SFO. Plus, if you're a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO)?
For the O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO) route, United Airlines typically operates Airbus A321neo and Boeing 777 planes. Keep in mind that last-minute changes can occur for operational reasons, so your flight could be on a different aircraft.
Can I change or cancel my United Airlines flight from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO)?
It's usually possible to reschedule or cancel your flight, although additional fees may apply if you made your booking more than 24 hours ago. Need flexible options? Use our "No cancel fee" or "Changes included" filter to find flights that won't penalize you if you have to alter your plans. To modify your itinerary, go to "Trips," select your flight and click on "Manage Booking" for further information.

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