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ORD - SFO

Find cheap flights from Chicago to San Francisco from £72

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 29/5. 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 18/5
Sat 25/5

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 44,553,814 times on KAYAK, and here's why:

Save 28% or moreCompare multiple travel sites with one search.

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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
07:00 - 09:37ORD-SFO
4h 37mdirect
23:12 - 05:35SFO-ORD
4h 23mdirect
£144Alaska Airlines
Find Deal
Wed, 29 May - Sat, 1 Jun
06:00 - 11:29ORD-SFO
7h 29m1 stop
23:57 - 06:20SFO-ORD
4h 23mdirect
£151Alaska Airlines
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Wed, 22 May - Sun, 26 May
17:55 - 20:39ORD-SFO
4h 44mdirect
23:12 - 05:35SFO-ORD
4h 23mdirect
£160Alaska Airlines
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Sat, 1 Jun - Sat, 8 Jun
17:55 - 20:47ORD-SFO
4h 52mdirect
23:59 - 06:23SFO-ORD
4h 24mdirect
£165Alaska Airlines
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Tue, 30 Apr - Wed, 8 May
06:07 - 12:33ORD-SFO
8h 26m1 stop
00:40 - 10:26SFO-ORD
7h 46m1 stop
£177Delta
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Tue, 7 May - Fri, 10 May
14:20 - 21:40ORD-SFO
9h 20m1 stop
07:15 - 16:35SFO-ORD
7h 20m1 stop
£180Delta
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Wed, 1 May - Sat, 4 May
21:45 - 00:38ORD-SFO
4h 53mdirect
00:09 - 06:30SFO-ORD
4h 21mdirect
£248United Airlines
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Thu, 9 May - Mon, 13 May
05:16 - 09:39ORD-SFO
6h 23m1 stop
23:45 - 05:58SFO-ORD
4h 13mdirect
£255United Airlines
Find Deal
Tue, 9 Jul - Wed, 17 Jul
08:30 - 17:11ORD-SFO
10h 41m1 stop
17:55 - 11:38SFO-ORD
15h 43m1 stop
£273Sun Country Air
Find Deal
Sun, 26 May - Thu, 30 May
14:55 - 21:00ORD-SFO
8h 05m2 stops
06:00 - 17:55SFO-ORD
9h 55m1 stop
£284Southwest
Find Deal
Wed, 15 May - Wed, 22 May

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 £207 on average. On the other hand, the most expensive months are March and June, where the average cost of tickets is £330 and £323 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 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 56 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.
In the last 3 days, Alaska Airlines offered the best one-way deal for that route, at £72. KAYAK users also found Chicago to San Francisco return flights on Alaska Airlines from £144 and on Delta from £177.

Which airlines fly most frequently between Chicago and San Francisco?

The airlines most regularly connecting Chicago to San Francisco are United Airlines (16 flights per day), American Airlines (4 flights per day), and Alaska Airlines (one flight per day).

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

Each day, there are between 22 and 26 nonstop flights that take off from Chicago O'Hare Intl Airport and land in San Francisco, with an average flight time of 4h 51m. The most common departure time is 07:00 and most flights take off in the morning. Each week, there are 165 flights. The most frequent day of departure is Saturday, when 16% of all weekly flights depart. The fewest flights depart on a Tuesday.

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 4 cabin class options for the route. These are First, Business, Economy and Prem 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 1,841 miles.

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 06:05 and will be landing in San Francisco at 08:56.

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 22:15 and lands at 00:59.

Good to know - Cheap tickets from Chicago to San Francisco

Low season

January

High season

March

Cheapest flight

£72
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly (15% 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 return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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 £90 for a one-way ticket and £179 for a return.

  • Which airports will I be using when flying from Chicago to San Francisco?

    Chicago and San Francisco are both served by 1 main airport. You will leave Chicago from Chicago O'Hare Intl and will be arriving at San Francisco.

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

    American Airlines, Alaska Airlines, Delta, 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 737-800 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 Star Alliance 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 return 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

Top tips for finding a cheap flight from Chicago to San Francisco

  • Looking for a cheap flight from San Francisco to Chicago? 25% of our users found flights on this route for £124 or less one-way and £982 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 direct 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.

Direct departures

Chicago O'Hare Intl to San Francisco

Monday

ANA, Aer Lingus, Air Canada, +20 more

ANA, Aer Lingus, +21 more

Tuesday

ANA, Aer Lingus, Air Canada, +22 more

ANA, Aer Lingus, +23 more

Wednesday

ANA, Aer Lingus, Air Canada, +22 more

ANA, Aer Lingus, +23 more

Thursday

ANA, Aer Lingus, Air Canada, +21 more

ANA, Aer Lingus, +22 more

Friday

ANA, Aer Lingus, Air Canada, +20 more

ANA, Aer Lingus, +21 more

Saturday

ANA, Aer Lingus, Air Canada, +23 more

ANA, Aer Lingus, +24 more

Sunday

ANA, Aer Lingus, Air Canada, +20 more

ANA, Aer Lingus, +21 more

See more direct flights

Direct returns

San Francisco to Chicago O'Hare Intl

Monday

ANA, Aer Lingus, Air Canada, +20 more

ANA, Aer Lingus, +21 more

Tuesday

ANA, Aer Lingus, Air Canada, +22 more

ANA, Aer Lingus, +23 more

Wednesday

ANA, Aer Lingus, Air Canada, +21 more

ANA, Aer Lingus, +22 more

Thursday

ANA, Aer Lingus, Air Canada, +21 more

ANA, Aer Lingus, +22 more

Friday

ANA, Aer Lingus, Air Canada, +20 more

ANA, Aer Lingus, +21 more

Saturday

ANA, Aer Lingus, Air Canada, +23 more

ANA, Aer Lingus, +24 more

Sunday

ANA, Aer Lingus, Air Canada, +20 more

ANA, Aer Lingus, +21 more

See more direct flights
See more direct flights

Book cheap flights from Chicago to San Francisco

Cheapest flights to San Francisco from Chicago found in 2024

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.
29/5Wed
directAlaska Airlines
4h 37mORD-SFO
£72
14/5Tue
1 stopAlaska Airlines
8h 47mORD-SFO
£80
30/5Thu
1 stopDelta
6h 40mORD-SFO
£87
3/7Wed
directAlaska Airlines
4h 37mORD-SFO
£88
4/5Sat
1 stopDelta
8h 37mORD-SFO
£90
25/6Tue
1 stopFrontier
27h 44mORD-SFO
£92
26/5Sun
1 stopSun Country Air
10h 41mORD-SFO
£107
3/8Sat
directUnited Airlines
4h 39mORD-SFO
£124
30/6Sun
directUnited Airlines
4h 40mORD-SFO
£141
27/5Mon
1 stopSun Country Air
19h 09mORD-SFO
£187

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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.
23/4Tue
directAlaska Airlines
4h 52mORD-SFO
18/5Sat
directAlaska Airlines
4h 23mSFO-ORD
£253
20/4Sat
directAlaska Airlines
4h 46mORD-SFO
27/4Sat
directAlaska Airlines
4h 30mSFO-ORD
£286
22/4Mon
directAlaska Airlines
4h 46mORD-SFO
24/4Wed
directAlaska Airlines
4h 24mSFO-ORD
£326
20/4Sat
directAlaska Airlines
4h 46mORD-SFO
30/4Tue
multi-stopAlaska Airlines
8h 25mSFO-ORD
£329
20/4Sat
directUnited Airlines
4h 49mORD-SFO
29/4Mon
directUnited Airlines
4h 21mSFO-ORD
£358
20/4Sat
directAlaska Airlines
4h 46mORD-SFO
24/4Wed
directAlaska Airlines
4h 30mSFO-ORD
£362
20/4Sat
multi-stopUnited Airlines
6h 42mORD-SFO
29/4Mon
directUnited Airlines
4h 21mSFO-ORD
£365
23/4Tue
multi-stopDelta
7h 37mORD-SFO
23/4Tue
multi-stopDelta
8h 40mSFO-ORD
£553
21/4Sun
multi-stopDelta
10h 24mORD-SFO
25/4Thu
multi-stopDelta
8h 40mSFO-ORD
£593
19/4Fri
multi-stopSun Country Air
7h 06mORD-SFO
21/4Sun
multi-stopSun Country Air
23h 08mSFO-ORD
£667

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Search by price

Chicago - San Francisco Flights

Departure:

Chicago (ORD)United States

Destination:

San Francisco (SFO)United States

Return flight deals:

San Francisco - Chicago

Cabin classes:

£432

Browse origins:

  • Flights » 
  • Chicago O'Hare Airport

Browse destinations:

  • Flights » 
  • Worldwide » 
  • San Francisco