SFO - ORD

$185 Find Cheap Flights from San Francisco to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to O'Hare Intl departing on 15/10. 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
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago O'Hare Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Chicago, 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 San Francisco to Chicago, as well as popular online travel agencies
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Flight Deals

Cheap Flights from San Francisco to Chicago (SFO-ORD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco to Chicago 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 for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Francisco to O'Hare Intl

Wed, 15 Oct - Tue, 21 Oct
Alaska Airlines Logo
10:26 - 23:59SFO-ORD
11h 33m1 stop
Alaska Airlines Logo
08:20 - 14:01ORD-SFO
7h 41m1 stop
$349Alaska Airlines
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Tue, 21 Oct - Fri, 31 Oct
United Airlines Logo
23:33 - 05:55SFO-ORD
4h 22mdirect
United Airlines Logo
16:17 - 19:07ORD-SFO
4h 50mdirect
$350United Airlines
Find Deal
Fri, 24 Oct - Tue, 28 Oct
Delta Logo
00:35 - 11:28SFO-ORD
8h 53m1 stop
Delta Logo
06:08 - 10:53ORD-SFO
6h 45m1 stop
$439Delta
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Sun, 23 Nov - Mon, 1 Dec
Sun Country Air Logo
23:59 - 10:39SFO-ORD
8h 40m1 stop
Sun Country Air Logo
20:22 - 12:35ORD-SFO
18h 13m1 stop
$443Sun Country Air
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Tue, 7 Oct - Wed, 8 Oct
Southwest Logo
05:45 - 14:00SFO-ORD
6h 15m1 stop
Southwest Logo
14:50 - 22:45ORD-SFO
9h 55m1 stop
$451Southwest
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Sat, 8 Nov - Tue, 11 Nov
Southwest Logo
05:00 - 14:05SFO-ORD
7h 05m1 stop
Southwest Logo
13:00 - 20:10ORD-SFO
9h 10m2 stops
$460Southwest
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Wed, 12 Nov - Mon, 17 Nov
Sun Country Air Logo
13:15 - 18:40SFO-ORD
27h 25m1 stop
Sun Country Air Logo
11:42 - 17:18ORD-SFO
7h 36m1 stop
$465Sun Country Air
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Fri, 26 Sep - Mon, 29 Sep
Delta Logo
00:45 - 08:28SFO-ORD
5h 43m1 stop
Delta Logo
19:25 - 23:50ORD-SFO
6h 25m1 stop
$472Delta
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Fri, 16 Jan - Tue, 20 Jan
Hawaiian Airlines Logo
06:00 - 17:50SFO-ORD
9h 50m1 stop
Hawaiian Airlines Logo
14:00 - 20:18ORD-SFO
8h 18m1 stop
$477Hawaiian Airlines
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Sat, 13 Dec - Wed, 17 Dec
Hawaiian Airlines Logo
18:20 - 06:21SFO-ORD
10h 01m1 stop
Hawaiian Airlines Logo
15:05 - 21:46ORD-SFO
8h 41m1 stop
$490Hawaiian Airlines
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Booking Insights

KAYAK's insights & trends for San Francisco to O'Hare Intl flights

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

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Chicago O'Hare Intl Airport, 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 San Francisco to Chicago O'Hare Intl Airport is January, where tickets cost $511 (return) on average. On the other hand, the most expensive months are November and December, where the average cost of round-trip tickets is $794 and $764 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 46% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$185
Best time to beat the crowds (19% less expensive on average)
Most popular time to fly and prices are also 4% lower on average.
Flight from San Francisco to Chicago

When to book flights from San Francisco to O'Hare Intl

Are your dates flexible? Find out the best times to travel from San Francisco to O'Hare Intl 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 San Francisco to Chicago flights

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

    In the last 3 days, the lowest price for a flight from San Francisco to Chicago O'Hare Intl Airport was $108 for a one-way ticket and $204 for a return.

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

    San Francisco airport is called San Francisco and the only airport in Chicago is Chicago O'Hare Intl.

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

    All the following airlines offer inflight Wi-Fi service on the San Francisco to Chicago flight route: American Airlines, Alaska Airlines, Delta, JetBlue, Iberia, Hawaiian Airlines, and Finnair.

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

    The Boeing 737-800 is the aircraft model that flies most regularly on the San Francisco to Chicago flight route.

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

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

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

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

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

    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 San Francisco to Chicago.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from San Francisco 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 San Francisco to Chicago?

    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 Chicago with an airline and back to San Francisco with another airline.

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

    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 Chicago from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from San Francisco to Chicago O'Hare Intl?

 
Nonstop data is based off flight results for the next 60 days. Find direct flights from all airlines flying nonstop from San Francisco to Chicago O'Hare Intl.
Find which airlines fly direct from San Francisco Airport to Chicago O'Hare Intl Airport, which days they fly and book direct flights.

Direct departures

San Francisco to Chicago O'Hare Intl

Monday

ANA, Aer Lingus, Air Canada, +16 more

ANA, Aer Lingus, +17 more

Tuesday

ANA, Aer Lingus, Air Canada, +16 more

ANA, Aer Lingus, +17 more

Wednesday

ANA, Aer Lingus, Air Canada, +19 more

ANA, Aer Lingus, +20 more

Thursday

ANA, Aer Lingus, Air Canada, +16 more

ANA, Aer Lingus, +17 more

Friday

ANA, Aer Lingus, Air Canada, +17 more

ANA, Aer Lingus, +18 more

Saturday

ANA, Aer Lingus, Air Canada, +17 more

ANA, Aer Lingus, +18 more

Sunday

ANA, Aer Lingus, Air Canada, +17 more

ANA, Aer Lingus, +18 more

See more direct flights

Direct returns

Chicago O'Hare Intl to San Francisco

Monday

ANA, Aer Lingus, Air Canada, +17 more

ANA, Aer Lingus, +18 more

Tuesday

ANA, Aer Lingus, Air Canada, +17 more

ANA, Aer Lingus, +18 more

Wednesday

ANA, Aer Lingus, Air Canada, +18 more

ANA, Aer Lingus, +19 more

Thursday

ANA, Aer Lingus, Air Canada, +17 more

ANA, Aer Lingus, +18 more

Friday

ANA, Aer Lingus, Air Canada, +17 more

ANA, Aer Lingus, +18 more

Saturday

ANA, Aer Lingus, Air Canada, +18 more

ANA, Aer Lingus, +19 more

Sunday

ANA, Aer Lingus, Air Canada, +17 more

ANA, Aer Lingus, +18 more

See more direct flights

Everything you need to know for your flight from San Francisco to O'Hare Intl

Information on your arrival and departure airports

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