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ORD - SFO

£106 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 18/7. 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
Tue 18/6
Tue 25/6

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 41,904,688 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
17:25 - 20:09ORD-SFO
4h 44mdirect
09:55 - 16:15SFO-ORD
4h 20mdirect
£141Alaska Airlines
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Sat, 7 Sep - Sat, 14 Sep
18:20 - 21:00ORD-SFO
4h 40mdirect
23:59 - 06:20SFO-ORD
4h 21mdirect
£145Alaska Airlines
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Tue, 2 Jul - Tue, 23 Jul
06:00 - 13:47ORD-SFO
9h 47m1 stop
09:55 - 16:15SFO-ORD
4h 20mdirect
£148Alaska Airlines
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Tue, 10 Sep - Sat, 14 Sep
15:46 - 23:27ORD-SFO
9h 41m1 stop
00:58 - 01:03SFO-ORD
22h 05m1 stop
£150Frontier
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Mon, 19 Aug - Thu, 22 Aug
15:46 - 23:27ORD-SFO
9h 41m1 stop
11:43 - 01:52SFO-ORD
12h 09m1 stop
£163Frontier
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Mon, 19 Aug - Fri, 23 Aug
07:10 - 14:22ORD-SFO
9h 12m1 stop
22:15 - 09:22SFO-ORD
9h 07m1 stop
£186Delta
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Sun, 1 Sep - Sat, 14 Sep
13:35 - 18:50ORD-SFO
7h 15m1 stop
00:20 - 08:36SFO-ORD
6h 16m1 stop
£202Delta
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Wed, 9 Oct - Sat, 12 Oct
17:35 - 08:14ORD-SFO
16h 39m1 stop
16:20 - 19:39SFO-ORD
25h 19m1 stop
£206Sun Country Air
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Tue, 2 Jul - Thu, 4 Jul
21:15 - 23:56ORD-SFO
4h 41mdirect
00:12 - 06:30SFO-ORD
4h 18mdirect
£224United Airlines
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Thu, 1 Aug - Mon, 5 Aug
21:17 - 00:01ORD-SFO
4h 44mdirect
01:10 - 07:30SFO-ORD
4h 20mdirect
£231United Airlines
Find Deal
Sat, 8 Jun - Mon, 10 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 £202 on average. On the other hand, the most expensive months are March and June, where the average cost of tickets is £302 and £290 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.
In the last 3 days, Alaska Airlines offered the best one-way deal for that route, at £106. KAYAK users also found Chicago to San Francisco return flights on Alaska Airlines from £141 and on Frontier from £150.

Which airlines fly most frequently between Chicago and San Francisco?

The airlines most regularly connecting Chicago to San Francisco are United Airlines (12 flights per day), American Airlines (6 flights per day), and Alaska Airlines (2 flights 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 42m. The most common departure time is 06:00 and most flights take off in the morning. Each week, there are 148 flights. The most frequent day of departure is Thursday, when 16% 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 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 08:47.

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

April

High season

July

Cheapest flight

£106
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 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 £135 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, 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 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

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

  • Looking for a cheap flight from San Francisco to Chicago? 25% of our users found flights on this route for £162 or less one-way.
  • 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, +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 direct flights

Direct 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 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.
18/7Thu
directAlaska Airlines
4h 37mORD-SFO
£106
10/7Wed
directAlaska Airlines
4h 37mORD-SFO
£107
21/6Fri
1 stopDelta
6h 44mORD-SFO
£109
23/7Tue
directAlaska Airlines
4h 37mORD-SFO
£110
1/8Thu
1 stopDelta
7h 31mORD-SFO
£113
21/7Sun
1 stopSun Country Air
27h 11mORD-SFO
£120
23/6Sun
1 stopSun Country Air
27h 11mORD-SFO
£124
28/7Sun
directUnited Airlines
4h 40mORD-SFO
£142
4/8Sun
directUnited Airlines
4h 40mORD-SFO
£172
24/5Fri
2 stopsAmerican Airlines
9h 30mORD-SFO
£609

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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.
22/5Wed
directAlaska Airlines
4h 44mORD-SFO
4/6Tue
directAlaska Airlines
4h 23mSFO-ORD
£329
20/5Mon
multi-stopAlaska Airlines
9h 44mORD-SFO
4/6Tue
directAlaska Airlines
4h 23mSFO-ORD
£336
21/5Tue
directAlaska Airlines
4h 37mORD-SFO
25/5Sat
directAlaska Airlines
4h 23mSFO-ORD
£357
20/5Mon
multi-stopAlaska Airlines
9h 44mORD-SFO
1/6Sat
directAlaska Airlines
4h 23mSFO-ORD
£364
21/5Tue
directUnited Airlines
4h 40mORD-SFO
3/6Mon
directUnited Airlines
4h 20mSFO-ORD
£400
21/5Tue
multi-stopUnited Airlines
8h 12mORD-SFO
3/6Mon
directUnited Airlines
4h 20mSFO-ORD
£408
21/5Tue
multi-stopUnited Airlines
6h 47mORD-SFO
27/5Mon
directUnited Airlines
4h 20mSFO-ORD
£436
21/5Tue
multi-stopDelta
8h 19mORD-SFO
29/5Wed
multi-stopDelta
8h 45mSFO-ORD
£593
24/5Fri
multi-stopDelta
10h 01mORD-SFO
24/5Fri
multi-stopDelta
10h 34mSFO-ORD
£646
21/5Tue
multi-stopDelta
9h 20mORD-SFO
24/5Fri
multi-stopDelta
6h 19mSFO-ORD
£774

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Search by price

Chicago - San Francisco Flights

Departure:

Chicago (undefined)United States

Destination:

San Francisco (SFO)United States

Return flight deals:

San Francisco - Chicago

Cabin classes:

£1,344

Browse origins:

  • Flights » 
  • Chicago O'Hare Airport

Browse destinations:

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  • San Francisco