Cheap flights from Chicago O'Hare Intl Airport to San Francisco from £116

ORD — SFO
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Francisco are usually found in February or January, booked 58 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from O'Hare Intl to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to San Francisco

Sat 19/1219:58 -
1 stop14h 54m
Sat 9/114:30 -
1 stop7h 29m
Deal found 9/11£225
Sat 5/1214:08 -
1 stop20h 52m
Sat 12/1206:00 -
1 stop11h 10m
Deal found 11/11£232
Sat 19/1206:00 -
Nonstop5h 01m
Tue 29/1206:34 -
Nonstop4h 29m
Deal found 9/11£240
Tue 22/1218:14 -
Nonstop5h 08m
Tue 29/1206:34 -
Nonstop4h 29m
Deal found 11/11£247
Sat 5/1215:19 -
1 stop8h 29m
Tue 15/1207:09 -
2 stops14h 50m
Deal found 9/11£249
Fri 4/1206:40 -
1 stop19h 03m
Mon 14/1214:19 -
1 stop7h 38m
Deal found 10/11£250
Sat 19/1218:14 -
Nonstop5h 08m
Wed 23/1217:10 -
Nonstop4h 23m
Deal found 7/11£251
Tue 8/1209:00 -
1 stop8h 47m
Thu 10/616:10 -
1 stop18h 54m
Deal found 10/11£252
Sat 5/1216:30 -
1 stop8h 05m
Sat 12/1223:59 -
1 stop8h 26m
Deal found 9/11£253
Thu 3/1212:58 -
1 stop9h 20m
Fri 4/1206:00 -
2 stops10h 26m
Deal found 10/11£254

Find flight deals from O'Hare Intl to San Francisco

Round-trip from

£225

One-way from

£116

Popular in

November

Cheapest in

February

Average price

£361

Good round-trip deal

£850 or less
Alaska Airlines
  • Alaska Airlines
  • 15/12-5/1
  • 2 total stops
  • 16h 39m total
  • Chicago to San Francisco
Alaska Airlines
  • Alaska Airlines
  • 23/12-31/12
  • 1 total stop
  • 14h 54m total
  • Chicago to San Francisco
Highest demand for flights based on searches. 0% potential increase in price (£2 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Chicago O'Hare Intl to San Francisco.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Wed 23/12

22:00-01:08

Nonstop5h 08m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£120

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Sat 19/12

06:00-09:01

Nonstop5h 01m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£124

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Tue 22/12

14:27-22:11

1 stop9h 44m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£128

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Thu 24/12

19:57-23:05

Nonstop5h 08m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£131

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Thu 7/1

09:58-17:32

1 stop9h 34m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£139
Fastest return journey

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Mon 29/3

14:21-17:18

Nonstop4h 57m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£149

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Wed 2/12

07:27-17:31

2 stops12h 04m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£153

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Fri 4/12

18:47-14:12

1 stop21h 25m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£153

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Sun 9/5

07:20-13:10

1 stop7h 50m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£153

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Sun 3/1

19:58-08:52

1 stop14h 54m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£157

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Best time to book a flight from O'Hare Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from O'Hare Intl with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to San Francisco

How far ahead should I book a flight from Chicago O'Hare Intl Airport to San Francisco?

The price you pay for your flight from Chicago O'Hare Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of £279). Flying from Chicago O'Hare Intl Airport to San Francisco in November is currently the most expensive (average of £361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to SFO?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 60% on flights from Chicago O'Hare Intl Airport to San Francisco by exploring options for tickets in the morning.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to San Francisco?

Airfare is below average for this route at the moment.

Chicago O'Hare Intl Airport to San Francisco flights typically cost between £281 and £487 in December.
The cheapest return price found within the last 5 days was £225 on Alaska Airlines (19 Dec–9 Jan).

Related info for your journey

  • What airport do you fly into for flights to San Francisco from Chicago O'Hare Intl?

    San Francisco (SFO) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to San Francisco. You should not have trouble finding flights to San Francisco from Chicago O'Hare Intl; the airport handles an average of 73 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the San Francisco airport from Chicago O'Hare Intl. It is only a 11.0 mi journey from San Francisco (SFO) to San Francisco’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to San Francisco?

    A quick flight from Chicago O'Hare Intl Airport to San Francisco can take about 5h 08m. United Airlines provides one of the quickest options available for as low as £247. Chicago O'Hare Intl Airport and San Francisco are separated by a distance of 1841 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to San Francisco?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago O'Hare Intl Airport to San Francisco on time: ANA (89%), Porter Airlines (86%), Lufthansa (85%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to San Francisco?

    While on average a flight from Chicago O'Hare Intl Airport to San Francisco is generally £850, our data shows the cheapest flight currently is £461. When looking at the most popular route, (Chicago O'Hare Intl - San Francisco), you can expect to pay £304 for that flight.

  • Can I find deals for flights from O'Hare Intl to San Francisco that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to San Francisco.

  • Can I find deals for business class flights from O'Hare Intl to San Francisco?

    Yes. Cheapflights offers flight deals from O'Hare Intl to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of £279). Flying from Chicago O'Hare Intl Airport to San Francisco in November is currently the most expensive (average of £361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Bruno
Roseville
Santa Cruz
Newark
Sunnyvale
Bodega Bay

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for O'Hare Intl to San Francisco

Fly with Cheapflights

How does Cheapflights help users find flights from O'Hare Intl to San Francisco?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco from O'Hare Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to San Francisco?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from O'Hare Intl to San Francisco for you. Better yet — we are completely free to use.

Can Cheapflights find flights from O'Hare Intl to San Francisco with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from O'Hare Intl to San Francisco, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from O'Hare Intl to San Francisco become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from O'Hare Intl today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.