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Cheap flights from Chicago O'Hare Intl Airport to San Francisco from $127

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to San Francisco departing on 1/12. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:20 am - 12:23 pm
ORD
-
SFO
7h 03m1 stop
Delta Logo
2:35 pm - 11:53 pm
SFO
-
ORD
7h 18m1 stop
$238Delta
Sat, Jan 10 - Tue, Jan 20
Alaska Airlines Logo
3:44 pm - 10:47 pm
ORD
-
SFO
9h 03m1 stop
Alaska Airlines Logo
11:41 am - 11:37 pm
SFO
-
ORD
9h 56m1 stop
$239Alaska Airlines
Fri, Jan 23 - Tue, Jan 27
Alaska Airlines Logo
8:00 am - 3:50 pm
ORD
-
SFO
9h 50m1 stop
Alaska Airlines Logo
9:16 am - 11:37 pm
SFO
-
ORD
12h 21m1 stop
$240Alaska Airlines
Sun, Jan 18 - Tue, Jan 27
United Airlines Logo
12:45 pm - 3:35 pm
ORD
-
SFO
4h 50mnonstop
United Airlines Logo
10:35 am - 4:57 pm
SFO
-
ORD
4h 22mnonstop
$241United Airlines
Wed, Jan 14 - Wed, Jan 21
Frontier Logo
2:30 pm - 8:47 pm
ORD
-
SFO
8h 17m1 stop
Frontier Logo
8:18 pm - 1:58 pm
SFO
-
ORD
15h 40m2 stops
$242Frontier
Thu, Jan 15 - Mon, Jan 26
Multiple Airlines Logo
3:35 pm - 9:58 pm
ORD
-
SFO
8h 23m1 stop
Multiple Airlines Logo
10:48 am - 9:03 pm
SFO
-
ORD
8h 15m1 stop
$243Multiple Airlines
Sun, Feb 8 - Thu, Feb 19
Multiple Airlines Logo
3:22 pm - 12:28 am
ORD
-
SFO
11h 06m2 stops
Multiple Airlines Logo
10:48 am - 9:03 pm
SFO
-
ORD
8h 15m1 stop
$244Multiple Airlines
Mon, Feb 9 - Thu, Feb 19
Multiple Airlines Logo
7:41 pm - 12:28 am
ORD
-
SFO
6h 47m1 stop
Multiple Airlines Logo
7:00 am - 5:10 pm
SFO
-
ORD
8h 10m1 stop
$245Multiple Airlines
Thu, Jan 22 - Sun, Jan 25
Alaska Airlines Logo
3:44 pm - 10:47 pm
ORD
-
SFO
9h 03m1 stop
Alaska Airlines Logo
7:00 am - 11:37 pm
SFO
-
ORD
14h 37m1 stop
$246Alaska Airlines
Wed, Jan 21 - Sun, Jan 25
Alaska Airlines Logo
2:06 pm - 7:43 pm
ORD
-
SFO
7h 37m1 stop
Alaska Airlines Logo
7:00 am - 5:10 pm
SFO
-
ORD
8h 10m1 stop
$247Alaska Airlines
Sun, Jan 18 - Fri, Jan 23

Delta flights from Chicago O'Hare Intl Airport to San Francisco

Our best Delta deals on Chicago O'Hare Intl Airport to San Francisco flight tickets
Delta
Jan 10
ORD7:20 amChicago O'Hare Intl
7h 03m
1 stop
SFO12:23 pmSan Francisco
Jan 20
SFO2:35 pmSan Francisco
7h 18m
1 stop
ORD11:53 pmChicago O'Hare Intl
$238
Find similar
Delta
Jan 16
ORD11:05 amChicago O'Hare Intl
9h 33m
1 stop
SFO6:38 pmSan Francisco
Jan 20
SFO5:45 amSan Francisco
9h 12m
1 stop
ORD4:57 pmChicago O'Hare Intl
$248
Find similar
Delta
Jan 10
ORD5:20 pmChicago O'Hare Intl
6h 55m
1 stop
SFO10:15 pmSan Francisco
Jan 18
SFO12:40 amSan Francisco
6h 00m
1 stop
ORD8:40 amChicago O'Hare Intl
$249
Find similar

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to San Francisco flight tickets
United Airlines
Jan 14
ORD12:45 pmChicago O'Hare Intl
4h 50m
SFO3:35 pmSan Francisco
Jan 21
SFO10:35 amSan Francisco
4h 22m
ORD4:57 pmChicago O'Hare Intl
$241
Find similar
United Airlines
Jan 23
ORD6:29 pmChicago O'Hare Intl
5h 01m
SFO9:30 pmSan Francisco
Jan 27
SFO12:25 pmSan Francisco
4h 23m
ORD6:48 pmChicago O'Hare Intl
$260
Find similar
United Airlines
Jan 16
ORD6:47 amChicago O'Hare Intl
4h 53m
SFO9:40 amSan Francisco
Jan 21
SFO6:45 amSan Francisco
4h 25m
ORD1:10 pmChicago O'Hare Intl
$265
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to San Francisco 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 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 1/10

7:20 am-12:23 pm

1 stop7h 03m

San Francisco

Tue 1/20

2:35 pm-11:53 pm

1 stop7h 18m

$238

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 1/23

3:44 pm-10:47 pm

1 stop9h 03m

San Francisco

Tue 1/27

11:41 am-11:37 pm

1 stop9h 56m

$239

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sun 1/18

8:00 am-3:50 pm

1 stop9h 50m

San Francisco

Tue 1/27

9:16 am-11:37 pm

1 stop12h 21m

$240

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 1/14

12:45 pm-3:35 pm

Nonstop4h 50m

San Francisco

Wed 1/21

10:35 am-4:57 pm

Nonstop4h 22m

$241

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 1/15

2:30 pm-8:47 pm

1 stop8h 17m

San Francisco

Mon 1/26

8:18 pm-1:58 pm

2 stops15h 40m

$242

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sun 2/8

3:35 pm-9:58 pm

1 stop8h 23m

San Francisco

Thu 2/19

10:48 am-9:03 pm

1 stop8h 15m

$243

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 2/9

3:22 pm-12:28 am

2 stops11h 06m

San Francisco

Thu 2/19

10:48 am-9:03 pm

1 stop8h 15m

$244

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 1/22

7:41 pm-12:28 am

1 stop6h 47m

San Francisco

Sun 1/25

7:00 am-5:10 pm

1 stop8h 10m

$245

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 1/21

3:44 pm-10:47 pm

1 stop9h 03m

San Francisco

Sun 1/25

7:00 am-11:37 pm

1 stop14h 37m

$246

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sun 1/18

2:06 pm-7:43 pm

1 stop7h 37m

San Francisco

Fri 1/23

7:00 am-5:10 pm

1 stop8h 10m

$247

Flights are sorted by cheapest round-trip flights first.

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

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

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $290.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Chicago O'Hare Intl Airport to San Francisco is on a Thursday when prices can be found for as low as $353. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $542.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Chicago O'Hare Intl Airport to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $379. Flights in the afternoon are often more expensive with an average ticket price of $501.

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

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

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $326 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Chicago O'Hare Intl Airport for as low as $277 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to San Francisco 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 Chicago O'Hare Intl Airport to San Francisco flights?

You could potentially save up to 6% on your flight if you consider stops on a Chicago O'Hare Intl Airport to San Francisco flight.

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

As of December 2025, prices for Chicago O'Hare Intl Airport to San Francisco flights are approximately 19% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$204

Fastest flight time

4h 48m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Chicago O'Hare Intl Airport in the past 72 hours is $204. The best round-trip flight deal from Chicago O'Hare Intl Airport to San Francisco found on momondo in the last 72 hours is $354.
The fastest flight from Chicago O'Hare Intl Airport to San Francisco takes 4h 48m
Direct flights go from Chicago O'Hare Intl Airport to San Francisco every day.
There is 1 airport in San Francisco. From Chicago O'Hare Intl Airport there are direct flights to San Francisco (SFO).
Search flight deals

  • How far is Chicago O'Hare Intl to San Francisco by plane?

    The distance between Chicago O'Hare Intl and San Francisco is about 1838.3 mi. Typically, this will take 4h 48m by plane in normal conditions.

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

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

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to San Francisco Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to San Francisco 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Best airlines flying from Chicago O'Hare Intl Airport to San Francisco

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
Sun Country AirPriceFrom $112Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
FrontierPriceFrom $125Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
SouthwestPriceFrom $138Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
DeltaPriceFrom $159Free CancellationRating
7.9
8,005 reviews
Search Delta flights
JetBluePriceFrom $183Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $188Free CancellationRating
8.0
11,477 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $197Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $204Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights

  • Southwest Flights From Chicago O'Hare Intl Airport to San Francisco

    Southwest flies from Chicago O'Hare Intl Airport to San Francisco around 3 times per week, with 4,250 momondo users rating the airline 7.9/10. The cheapest Southwest deal from Chicago O'Hare Intl Airport to San Francisco in the last 72 hours was $138 (round-trip), much lower than the average airfare cost of $334 for Southwest flights on this route.

  • United Airlines Flights From Chicago O'Hare Intl Airport to San Francisco

    United Airlines is also a popular choice for this route. United Airlines flight deals for Chicago O'Hare Intl Airport to San Francisco start from as low as $204 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $374. United Airlines operates 17 flights to San Francisco from Chicago O'Hare Intl Airport in an average week. Users have rated it 7.4/10 across 9,091 reviews.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Big Sur
Berkeley
Santa Clara
Walnut Creek
Fremont
Daly City
Half Moon Bay
Vallejo
Salinas
Livermore
Sunnyvale
Turlock

Why use momondo?

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

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 San Francisco from Chicago.

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

Flights from Chicago to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to San Francisco.

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

Yes momondo offers price alerts on flights to San Francisco from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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