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Cheap flights from Chicago O'Hare Intl Airport to San Francisco from C$ 190

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SFO
13 Jun — 20 Jun1
1 adult
1 adult, Economy, 0 bags

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
Explore the most affordable flight options available from O'Hare Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 May 2026.

Thu 4/66:13 a.m.
ORD
-
SFO
Nonstop4h 37m
United Airlines
Wed 10/611:30 p.m.
SFO
-
ORD
Nonstop4h 23m
United Airlines
Deal found 9/5C$ 373
Tue 4/88:28 a.m.
ORD
-
SFO
1 stop6h 41m
Delta
Wed 5/86:00 a.m.
SFO
-
ORD
1 stop8h 54m
Delta
Deal found 13/5C$ 379
Tue 9/69:48 p.m.
ORD
-
SFO
Nonstop4h 57m
United Airlines
Wed 10/62:40 p.m.
SFO
-
ORD
Nonstop4h 24m
United Airlines
Deal found 12/5C$ 385
Tue 30/68:55 a.m.
ORD
-
SFO
Nonstop4h 49m
United Airlines
Tue 30/66:34 p.m.
SFO
-
ORD
Nonstop4h 25m
United Airlines
Deal found 9/5C$ 386
Tue 30/68:55 a.m.
ORD
-
SFO
Nonstop4h 49m
United Airlines
Tue 7/712:50 a.m.
SFO
-
ORD
Nonstop4h 26m
United Airlines
Deal found 10/5C$ 388
Thu 4/62:10 p.m.
ORD
-
SFO
1 stop10h 13m
Alaska Airlines
Wed 26/810:32 a.m.
SFO
-
ORD
1 stop11h 25m
Alaska Airlines
Deal found 13/5C$ 393
Mon 15/66:55 a.m.
ORD
-
SFO
1 stop15h 00m
Frontier
Wed 17/68:45 p.m.
SFO
-
ORD
1 stop6h 22m
Frontier
Deal found 12/5C$ 395
Fri 19/66:55 a.m.
ORD
-
SFO
1 stop15h 00m
Frontier
Mon 22/63:59 p.m.
SFO
-
ORD
1 stop11h 08m
Frontier
Deal found 11/5C$ 397
Sat 8/85:59 p.m.
ORD
-
SFO
1 stop7h 09m
Alaska Airlines
Tue 18/811:52 a.m.
SFO
-
ORD
1 stop9h 44m
Alaska Airlines
Deal found 12/5C$ 399
Wed 3/67:45 p.m.
ORD
-
SFO
1 stop6h 42m
Delta
Sat 29/86:06 a.m.
SFO
-
ORD
1 stop6h 51m
Delta
Deal found 13/5C$ 400
Tue 9/69:48 p.m.
ORD
-
SFO
Nonstop4h 57m
United Airlines
Tue 23/62:40 p.m.
SFO
-
ORD
Nonstop4h 24m
United Airlines
Deal found 12/5C$ 406
Tue 11/87:44 p.m.
ORD
-
SFO
1 stop6h 08m
Delta
Thu 20/89:41 a.m.
SFO
-
ORD
1 stop6h 38m
Delta
Deal found 12/5C$ 407

Find flight deals from O'Hare Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 May 2026.

Round-trip from

C$ 373

One-way from

C$ 190

Popular in

April

Cheapest in

September

Average price

C$ 541
United Airlines
  • United Airlines
  • 6/6-10/6
  • Nonstop
  • 9h 00m total
  • Chicago to San Francisco
Search Deals
Delta
  • Delta
  • 24/6
  • 1 total stop
  • 6h 23m total
  • Chicago to San Francisco
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 14 May 2026.
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 round-trip

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 11/8

7:44 p.m.-11:52 p.m.

1 stop6h 08m

San Francisco

Wed 19/8

10:59 p.m.-7:56 a.m.

1 stop6h 57m

C$ 379

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 20/8

10:00 p.m.-12:50 a.m.

Nonstop4h 50m

San Francisco

Mon 24/8

5:00 a.m.-11:25 a.m.

Nonstop4h 25m

C$ 393

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 8/8

5:59 p.m.-11:08 p.m.

1 stop7h 09m

San Francisco

Tue 18/8

11:52 a.m.-11:36 p.m.

1 stop9h 44m

C$ 399

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 3/6

7:45 p.m.-12:27 a.m.

1 stop6h 42m

San Francisco

Sat 29/8

6:06 a.m.-2:57 p.m.

1 stop6h 51m

C$ 400

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 6/6

7:45 a.m.-12:18 p.m.

1 stop6h 33m

San Francisco

Tue 9/6

6:00 a.m.-5:02 p.m.

1 stop9h 02m

C$ 400

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 27/6

7:30 a.m.-10:19 a.m.

Nonstop4h 49m

San Francisco

Tue 30/6

6:34 p.m.-12:59 a.m.

Nonstop4h 25m

C$ 406

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 8/8

5:59 p.m.-11:08 p.m.

1 stop7h 09m

San Francisco

Thu 20/8

9:27 a.m.-7:03 p.m.

1 stop7h 36m

C$ 426

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 4/7

5:00 p.m.-11:16 p.m.

1 stop8h 16m

San Francisco

Tue 7/7

1:20 p.m.-9:48 p.m.

1 stop6h 28m

C$ 433

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 25/9

6:25 p.m.-9:22 p.m.

Nonstop4h 57m

San Francisco

Mon 28/9

11:30 p.m.-5:57 a.m.

Nonstop4h 27m

C$ 438

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 1/9

2:22 p.m.-7:54 p.m.

1 stop7h 32m

San Francisco

Sun 6/9

11:52 a.m.-11:41 p.m.

1 stop9h 49m

C$ 455

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/5

Showing 1-10 of 23 resultsSorted by cheapest first
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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 round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 best time to book flights from Chicago O'Hare Intl Airport to San Francisco is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of C$ 421). Flying from Chicago O'Hare Intl Airport to San Francisco in April is currently the most expensive (average of C$ 607). 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?

Find hourly flight availability from O'Hare Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 May 2026.

When flying from Chicago O'Hare Intl Airport to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to San Francisco?

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    If you book a flight to San Francisco from Chicago O'Hare Intl, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 17.7 km from the centre of San Francisco. There are 75 flights from Chicago O'Hare Intl to San Francisco per day from 0 different airlines.

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

    There are many flights that can get you from Chicago O'Hare Intl Airport to San Francisco in 4h 50m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. Chicago O'Hare Intl Airport and San Francisco are separated by a distance of 2963 km. 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?

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to San Francisco are ANA (95%), Air China (85%) and China Southern (80%).

  • 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 vacation 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, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of C$ 421). Flying from Chicago O'Hare Intl Airport to San Francisco in April is currently the most expensive (average of C$ 607). 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
Burlingame
San Bruno
Roseville
Livermore
South San Francisco
Novato
Santa Clara
Vallejo

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Alternative routes for O'Hare Intl to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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

When you search for this flight from O'Hare Intl to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from O'Hare Intl to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to San Francisco from O'Hare Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from O'Hare Intl to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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