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Cheap flights from San Francisco to Chicago from $170

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Chicago departing on 21/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Alaska Airlines Logo
07:00 - 19:54SFO-ORD
10h 54m1 stop
Alaska Airlines Logo
08:55 - 23:48ORD-SFO
16h 53m1 stop
$373Alaska Airlines
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Sun, 7 Dec - Thu, 11 Dec
Alaska Airlines Logo
09:51 - 23:59SFO-ORD
12h 08m2 stops
Alaska Airlines Logo
14:54 - 21:55ORD-SFO
9h 01m1 stop
$381Alaska Airlines
Find Deal
Wed, 5 Nov - Sat, 8 Nov
Alaska Airlines Logo
21:57 - 19:54SFO-ORD
19h 57m1 stop
Alaska Airlines Logo
20:58 - 08:15ORD-SFO
13h 17m1 stop
$382Alaska Airlines
Find Deal
Mon, 15 Dec - Thu, 18 Dec
Alaska Airlines Logo
07:35 - 16:55SFO-ORD
7h 20m1 stop
Alaska Airlines Logo
15:05 - 08:06ORD-SFO
19h 01m1 stop
$384Alaska Airlines
Find Deal
Fri, 5 Dec - Sat, 13 Dec
Alaska Airlines Logo
07:00 - 19:55SFO-ORD
10h 55m1 stop
Alaska Airlines Logo
10:00 - 15:43ORD-SFO
7h 43m1 stop
$385Alaska Airlines
Find Deal
Wed, 5 Nov - Thu, 13 Nov
Alaska Airlines Logo
19:52 - 13:54SFO-ORD
16h 02m1 stop
Alaska Airlines Logo
09:20 - 22:01ORD-SFO
14h 41m1 stop
$387Alaska Airlines
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Tue, 4 Nov - Fri, 14 Nov
Delta Logo
22:57 - 09:12SFO-ORD
8h 15m1 stop
Delta Logo
07:37 - 16:05ORD-SFO
10h 28m1 stop
$396Delta
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Fri, 31 Oct - Thu, 6 Nov
Delta Logo
22:57 - 09:12SFO-ORD
8h 15m1 stop
Delta Logo
07:47 - 15:57ORD-SFO
10h 10m1 stop
$399Delta
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Fri, 31 Oct - Tue, 11 Nov
Delta Logo
13:58 - 23:59SFO-ORD
8h 01m1 stop
Delta Logo
14:10 - 22:31ORD-SFO
10h 21m1 stop
$404Delta
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Fri, 5 Dec - Sat, 13 Dec
United Airlines Logo
07:00 - 13:23SFO-ORD
4h 23mdirect
United Airlines Logo
10:35 - 13:25ORD-SFO
4h 50mdirect
$459United Airlines
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Sat, 8 Nov - Tue, 11 Nov

United Airlines flights from San Francisco to Chicago O'Hare Intl Airport

Our best United Airlines deals on San Francisco to Chicago O'Hare Intl Airport flight tickets
United Airlines
8 Nov
SFO07:00San Francisco
4h 23m
ORD13:23Chicago O'Hare Intl
11 Nov
ORD10:35Chicago O'Hare Intl
4h 50m
SFO13:25San Francisco
$459
Find similar
United Airlines
28 Oct
SFO06:00San Francisco
4h 24m
ORD12:24Chicago O'Hare Intl
31 Oct
ORD06:15Chicago O'Hare Intl
4h 49m
SFO09:04San Francisco
$576
Find similar
United Airlines
30 Oct
SFO05:10San Francisco
4h 20m
ORD11:30Chicago O'Hare Intl
4 Nov
ORD06:15Chicago O'Hare Intl
4h 49m
SFO09:04San Francisco
$627
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Delta flights from San Francisco to Chicago O'Hare Intl Airport

Our best Delta deals on San Francisco to Chicago O'Hare Intl Airport flight tickets
Delta
31 Oct
SFO22:57San Francisco
8h 15m
1 stop
ORD09:12Chicago O'Hare Intl
6 Nov
ORD07:37Chicago O'Hare Intl
10h 28m
1 stop
SFO16:05San Francisco
$396
Find similar
Delta
31 Oct
SFO22:57San Francisco
8h 15m
1 stop
ORD09:12Chicago O'Hare Intl
11 Nov
ORD07:47Chicago O'Hare Intl
10h 10m
1 stop
SFO15:57San Francisco
$399
Find similar
Delta
5 Dec
SFO13:58San Francisco
8h 01m
1 stop
ORD23:59Chicago O'Hare Intl
13 Dec
ORD14:10Chicago O'Hare Intl
10h 21m
1 stop
SFO22:31San Francisco
$404
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momondo Fare Finder

 
Customise your flight search to find flights from San Francisco to Chicago O'Hare Intl Airport 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, momondo users made 78,305 searches. Data last updated 16 October 2025.
Use the filters below to find and compare flights from San Francisco to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sun 7/12

07:00-19:54

1 stop10h 54m

Chicago O'Hare Intl

Thu 11/12

08:55-23:48

1 stop16h 53m

$373

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 5/11

09:51-23:59

2 stops12h 08m

Chicago O'Hare Intl

Sat 8/11

14:54-21:55

1 stop9h 01m

$381

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Mon 15/12

21:57-19:54

1 stop19h 57m

Chicago O'Hare Intl

Thu 18/12

20:58-08:15

1 stop13h 17m

$382

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 5/12

07:35-16:55

1 stop7h 20m

Chicago O'Hare Intl

Sat 13/12

15:05-08:06

1 stop19h 01m

$384

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 5/11

07:00-19:55

1 stop10h 55m

Chicago O'Hare Intl

Thu 13/11

10:00-15:43

1 stop7h 43m

$385

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 4/11

19:52-13:54

1 stop16h 02m

Chicago O'Hare Intl

Fri 14/11

09:20-22:01

1 stop14h 41m

$387

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 31/10

22:57-09:12

1 stop8h 15m

Chicago O'Hare Intl

Thu 6/11

07:37-16:05

1 stop10h 28m

$396

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 31/10

22:57-09:12

1 stop8h 15m

Chicago O'Hare Intl

Tue 11/11

07:47-15:57

1 stop10h 10m

$399

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 5/12

13:58-23:59

1 stop8h 01m

Chicago O'Hare Intl

Sat 13/12

14:10-22:31

1 stop10h 21m

$404

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 8/11

07:00-13:23

Nonstop4h 23m

Chicago O'Hare Intl

Tue 11/11

10:35-13:25

Nonstop4h 50m

$459

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from San Francisco to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The month of January is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from San Francisco, with most prices found around $468. If you are unable to visit Chicago O'Hare Intl Airport during the month of January, then departing from San Francisco during the month April is also very affordable. Most momondo users find prices during this month for around $471.

What is the cheapest San Francisco to Chicago O'Hare Intl flight route?

Fly from San Francisco to Chicago O'Hare Intl for the best San Francisco - Chicago O'Hare Intl flight prices

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $566 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from San Francisco for as low as $461 on momondo.

What cabin class options are available on San Francisco to Chicago O'Hare Intl flights?

There is only 1 cabin class available to choose from on San Francisco to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Chicago O'Hare Intl Airport flights?

You could potentially save up to 55% on your flight if you consider stops on a San Francisco to Chicago O'Hare Intl Airport flight.

How have San Francisco to Chicago O'Hare Intl Airport flight prices changed over time?

As of October 2025, prices for San Francisco to Chicago O'Hare Intl Airport flights are approximately 13% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Francisco to Chicago O'Hare Intl Airport (SFO to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Chicago O'Hare Intl Airport

Fastest flight time

3h 57m

Direct flights

Every day
The fastest flight from San Francisco to Chicago O'Hare Intl Airport takes 3h 57m
Direct flights go from San Francisco to Chicago O'Hare Intl Airport every day.
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  • How far is San Francisco to Chicago O'Hare Intl by plane?

    The distance between San Francisco and Chicago O'Hare Intl is about 2958.4 km. Typically, this will take 4h 23m by plane in normal conditions.

  • When did momondo last update prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport?

    Prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport are updated daily.

  • How old do you have to be to fly from San Francisco Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco to Chicago O'Hare Intl Airport?

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Rosemont
Naperville

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from San Francisco.

Can I find flights from San Francisco to Chicago with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chicago from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco to Chicago?

Once all potential San Francisco to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Francisco to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Chicago O'Hare Intl Airport trip

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