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ORD - SFO

C$ 123 Find cheap flights from Chicago to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to San Francisco departing on 13/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 15/6
Sat 22/6

Search hundreds of travel sites at once for deals on flights to San Francisco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to San Francisco, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to San Francisco, as well as popular online travel agencies
In the last 7 days, travellers have searched 42,211,976 times on KAYAK, and here is why:

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Cheap flight deals from Chicago to San Francisco (ORD-SFO)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
6:35 a.m. - 9:12 a.m.ORD-SFO
4h 37mdirect
11:59 p.m. - 6:20 a.m.SFO-ORD
4h 21mdirect
C$ 184Alaska Airlines
Find Deal
Wed, 31 Jul - Wed, 7 Aug
6:35 a.m. - 9:12 a.m.ORD-SFO
4h 37mdirect
11:59 p.m. - 6:20 a.m.SFO-ORD
4h 21mdirect
C$ 244Alaska Airlines
Find Deal
Wed, 7 Aug - Wed, 7 Aug
6:35 a.m. - 9:12 a.m.ORD-SFO
4h 37mdirect
11:59 p.m. - 6:20 a.m.SFO-ORD
4h 21mdirect
C$ 251Alaska Airlines
Find Deal
Wed, 31 Jul - Wed, 7 Aug
6:35 a.m. - 9:12 a.m.ORD-SFO
4h 37mdirect
10:54 p.m. - 5:15 a.m.SFO-ORD
4h 21mdirect
C$ 258Alaska Airlines
Find Deal
Sat, 13 Jul - Sat, 20 Jul
6:30 p.m. - 8:18 a.m.ORD-SFO
15h 48m1 stop
11:59 p.m. - 7:10 p.m.SFO-ORD
17h 11m1 stop
C$ 301Sun Country Air
Find Deal
Thu, 4 Jul - Sun, 7 Jul
10:20 a.m. - 5:46 p.m.ORD-SFO
9h 26m1 stop
9:45 p.m. - 7:22 a.m.SFO-ORD
7h 37m1 stop
C$ 322Delta
Find Deal
Fri, 12 Jul - Tue, 6 Aug
8:05 p.m. - 8:11 a.m.ORD-SFO
14h 06m1 stop
11:59 p.m. - 7:10 p.m.SFO-ORD
17h 11m1 stop
C$ 347Sun Country Air
Find Deal
Wed, 31 Jul - Wed, 7 Aug
3:35 p.m. - 10:23 p.m.ORD-SFO
8h 48m1 stop
10:15 p.m. - 7:26 a.m.SFO-ORD
7h 11m1 stop
C$ 349Delta
Find Deal
Thu, 12 Sep - Sun, 15 Sep
6:05 a.m. - 8:45 a.m.ORD-SFO
4h 40mdirect
12:12 a.m. - 6:30 a.m.SFO-ORD
4h 18mdirect
C$ 395United Airlines
Find Deal
Wed, 31 Jul - Tue, 6 Aug
4:20 p.m. - 6:57 p.m.ORD-SFO
4h 37mdirect
1:10 a.m. - 7:30 a.m.SFO-ORD
4h 20mdirect
C$ 398United Airlines
Find Deal
Fri, 31 May - Mon, 3 Jun

Flights from Chicago to San Francisco - Travel Insights & Trends

Get data-powered insights and trends into flights from Chicago to San Francisco to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Chicago O'Hare Intl Airport to San Francisco, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Chicago O'Hare Intl Airport to San Francisco is September, where tickets cost C$ 350 on average. On the other hand, the most expensive months are March and June, where the average cost of tickets is C$ 522 and C$ 503 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Chicago O'Hare Intl Airport to San Francisco, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Chicago O'Hare Intl Airport to San Francisco, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 51 days before departure.

Which airlines provide the cheapest flights from Chicago to San Francisco?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Alaska Airlines (C$ 123) and Sun Country Air (C$ 151). The cheapest round-trip tickets were found on Alaska Airlines (C$ 184) and Sun Country Air (C$ 301).

Which airlines fly most frequently between Chicago and San Francisco?

In normal times, United Airlines flies from Chicago to San Francisco up to 13 times per day, American Airlines up to 6 times per day, and Alaska Airlines up to 2 times per day.

How many flights are there between Chicago O'Hare Intl Airport and San Francisco per day?

Each day, there are between 19 and 23 nonstop flights that take off from Chicago O'Hare Intl Airport and land in San Francisco, with an average flight time of 4h 43m. The most common departure time is 8:00 p.m. and most flights take off in the morning. Each week, there are 149 flights. The most frequent day of departure is Thursday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday.

Which cabin class options are there for flights between Chicago O'Hare Intl Airport and San Francisco?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 2 cabin class options for the route. These are Business and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Chicago to San Francisco take?

Direct flights from Chicago generally make it to San Francisco in 4h 33m. The flying distance between the two cities is 4,767 km.

What’s the earliest departure time from Chicago to San Francisco?

Early birds can take the earliest flight from Chicago O'Hare Intl Airport at 6:05 am and will be landing in San Francisco at 8:47 am.

What’s the latest departure time from Chicago to San Francisco?

If you prefer to fly at night, the latest flight from Chicago O'Hare Intl Airport to San Francisco jets off at 10:15 pm and lands at 12:59 am.

Good to know

Low season

April

High season

July

Cheapest flight

C$ 123
Best time to beat the crowds (5% less expensive on average)
Most popular time to fly (7% more expensive on average)
Flight from Chicago to San Francisco

When to book flights from Chicago to San Francisco

Are your dates flexible? Find out the best times to travel from Chicago to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago to San Francisco flights

  • Are there nursing suites at O’Hare International Airport (ORD)?

    Yes, there are plenty of high-quality nursing suites at ORD. The nursing suites provide a private, spacious and serene environment for nursing mothers. Also, the nursing rooms are easily accessible and feature excellent equipment such as a sink and a baby changing table. They are located at Terminal 2 of the airport.

  • Are there lounges at O’Hare International Airport (ORD)?

    O’Hare International Airport (ORD) is one of the busiest airports worldwide and the major airport in Chicago. It features top-notch airline lounges offering comfort to passengers. These lounges include Admirals Club, United Polaris Lounge, United Club, Delta Sky, Air Canada Lounge, Swiss lounge, and many more. Most of these lounges provide excellent services like showers to passengers. The best part is they are easily accessible as they are situated at Terminals 1, 2, and 3.

  • Where can I find accommodation at San Francisco Airport?

    There are multiple hotels where you can spend the night if you are arriving late at San Francisco Airport, such as The Westin San Francisco Airport Hotel, found 1.2 miles from the airport. The hotel offers superior amenities, including free shuttle transfers, a hot tub, and an indoor pool. You can also opt for SFO Marriott Hotel, Grand Hyatt, and SFO El Rancho Hotel spending on your budget.

  • Does SFO offer services for people with reduced mobility?

    SFO offers exceptional services for people with reduced mobility upon request. When flying into SFO, it is recommended that a passenger contacts their airline, informing them of the special assistance they need. This way, you will have assistance, including a wheelchair arranged by your arrival at the airport.

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

    In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to San Francisco was C$ 90 for a one-way ticket and C$ 135 for a round-trip.

  • Which airlines offer Wi-Fi service onboard planes from Chicago to San Francisco?

    American Airlines, Alaska Airlines, Delta, United Airlines, and Air Canada offer inflight Wi-Fi service on the Chicago to San Francisco flight route.

  • Which aircraft models fly most regularly from Chicago to San Francisco?

    The Boeing 737-900 is the aircraft model that flies most regularly on the Chicago to San Francisco flight route.

  • Which airline alliances offer flights from Chicago to San Francisco?

    oneworld, and Star Alliance are the airline alliances operating flights between Chicago and San Francisco, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Chicago to San Francisco?

    There are direct flights from Chicago to San Francisco on a daily basis.

  • How does KAYAK find such low prices on flights from Chicago to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Chicago is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Chicago O'Hare Intl Airport to San Francisco

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 247 or less one-way and C$ 1,810 or less round-trip.
  • Chicago O’Hare International Airport (ORD) is approximately 18 miles from the Chicago business district. The airport is the hub of Chicago serving the city and surrounding regions. You can access the airport with ease. Also, it serves most of the international airports in the city.
  • If you are traveling through ORD, you can never run out of things to do to help you spend time while waiting for your flight. ORD features a wide comprehensive range of amenities and services you can enjoy at the airport, such as banking services, shopping, charging stations, and complimentary Wi-Fi.
  • When flying into San Francisco Airport (SFO), you will find at least an interactive kid’s area where kids can play as they unwind from the long flight. The room is equipped with kids' play items such as toys, sliding areas, and many more. You can also check the airport’s website for the kids’ section information.
  • There are pet relief areas in both the departure and arrival airports for passengers traveling with their pets. This ensures that you and your four-legged companion have a great traveling experience. You can also walk your pet after the long exhausting flights to the pet relief areas. These areas are situated inside and outside of the airport’s terminals.
  • If you are arriving at San Francisco Airport and need an airport transfer, you can opt for the BART airport shuttle train. It connects the airport to the San Francisco business district. Alternatively, you can utilize public and ground transportation services to navigate the city.
See more tips

Prefer to fly non-stop from Chicago to San Francisco?

Find which airlines fly direct from O'Hare Intl to San Francisco, which days they fly and book direct flights.

Nonstop departures

Chicago O'Hare Intl to San Francisco

Monday

ANA,Aer Lingus,Air Canada, +19 more

ANA,Aer Lingus, +20 more

Tuesday

ANA,Aer Lingus,Air Canada, +21 more

ANA,Aer Lingus, +22 more

Wednesday

ANA,Aer Lingus,Air Canada, +21 more

ANA,Aer Lingus, +22 more

Thursday

ANA,Aer Lingus,Air Canada, +20 more

ANA,Aer Lingus, +21 more

Friday

ANA,Aer Lingus,Air Canada, +19 more

ANA,Aer Lingus, +20 more

Saturday

ANA,Aer Lingus,Air Canada, +22 more

ANA,Aer Lingus, +23 more

Sunday

ANA,Aer Lingus,Air Canada, +20 more

ANA,Aer Lingus, +21 more

See more nonstop flights

Nonstop returns

San Francisco to Chicago O'Hare Intl

Monday

ANA,Aer Lingus,Air Canada, +19 more

ANA,Aer Lingus, +20 more

Tuesday

ANA,Aer Lingus,Air Canada, +21 more

ANA,Aer Lingus, +22 more

Wednesday

ANA,Aer Lingus,Air Canada, +20 more

ANA,Aer Lingus, +21 more

Thursday

ANA,Aer Lingus,Air Canada, +20 more

ANA,Aer Lingus, +21 more

Friday

ANA,Aer Lingus,Air Canada, +19 more

ANA,Aer Lingus, +20 more

Saturday

ANA,Aer Lingus,Air Canada, +22 more

ANA,Aer Lingus, +23 more

Sunday

ANA,Aer Lingus,Air Canada, +19 more

ANA,Aer Lingus, +20 more

See more nonstop flights
See more nonstop flights

Book cheap flights from Chicago to San Francisco

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Chicago to San Francisco found on KAYAK in the last 72 hours.
13/8Tue
directAlaska Airlines
4h 37mORD-SFO
C$ 123
18/6Tue
directAlaska Airlines
4h 37mORD-SFO
C$ 129
16/7Tue
1 stopAlaska Airlines
7h 13mORD-SFO
C$ 142
1/7Mon
1 stopSun Country Air
16h 25mORD-SFO
C$ 151
2/7Tue
1 stopSun Country Air
14h 09mORD-SFO
C$ 154
3/7Wed
1 stopDelta
6h 42mORD-SFO
C$ 161
21/6Fri
1 stopDelta
6h 44mORD-SFO
C$ 188
29/6Sat
1 stopUnited Airlines
6h 23mORD-SFO
C$ 232
1/7Mon
directUnited Airlines
4h 41mORD-SFO
C$ 233
23/5Thu
1 stopAmerican Airlines
7h 25mORD-SFO
C$ 342

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Last minute flights from Chicago to San Francisco

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Chicago to San Francisco that are departing in the next 10 days.
18/5Sat
directAlaska Airlines
4h 37mORD-SFO
1/7Mon
directAlaska Airlines
4h 21mSFO-ORD
C$ 470
18/5Sat
directAlaska Airlines
4h 37mORD-SFO
25/5Sat
directAlaska Airlines
4h 23mSFO-ORD
C$ 537
18/5Sat
directAlaska Airlines
4h 37mORD-SFO
25/5Sat
directAlaska Airlines
4h 23mSFO-ORD
C$ 598
18/5Sat
multi-stopAlaska Airlines
9h 44mORD-SFO
25/5Sat
directAlaska Airlines
4h 23mSFO-ORD
C$ 610
21/5Tue
multi-stopUnited Airlines
8h 12mORD-SFO
3/6Mon
directUnited Airlines
4h 20mSFO-ORD
C$ 624
21/5Tue
multi-stopSouthwest
8h 40mORD-SFO
23/5Thu
multi-stopSouthwest
13h 15mSFO-ORD
C$ 644
18/5Sat
directUnited Airlines
4h 54mORD-SFO
22/5Wed
multi-stopUnited Airlines
6h 26mSFO-ORD
C$ 646
21/5Tue
multi-stopSouthwest
10h 15mORD-SFO
23/5Thu
multi-stopSouthwest
6h 45mSFO-ORD
C$ 703
21/5Tue
multi-stopDelta
6h 47mORD-SFO
21/5Tue
multi-stopDelta
8h 50mSFO-ORD
C$ 872
18/5Sat
multi-stopDelta
7h 18mORD-SFO
1/6Sat
multi-stopDelta
9h 39mSFO-ORD
C$ 1,116

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Search by airline

Search by price

Chicago - San Francisco Flights

Departure:

Chicago (undefined)United States

Destination:

San Francisco (SFO)United States

Cabin classes:

C$ 1,696
C$ 4,437
C$ 1,809

Browse origins:

  • Flights » 
  • Chicago O'Hare Airport

Browse destinations:

  • Flights » 
  • San Francisco