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Cheap flights from Chicago O'Hare Intl Airport to San Francisco from $131

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 12/15. 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.
Multiple Airlines Logo
6:00 am - 1:13 pmORD-SFO
9h 13m1 stop
Multiple Airlines Logo
9:30 pm - 6:05 amSFO-ORD
30h 35m1 stop
$257Multiple Airlines
Find Deal
lun., dic. 22 - lun., dic. 29
Alaska Airlines Logo
3:44 pm - 10:47 pmORD-SFO
9h 03m1 stop
Alaska Airlines Logo
2:30 pm - 11:50 pmSFO-ORD
7h 20m1 stop
$258Alaska Airlines
Find Deal
vie., feb. 6 - dom., feb. 8
Delta Logo
6:45 am - 2:23 pmORD-SFO
9h 38m1 stop
Delta Logo
7:37 pm - 8:04 amSFO-ORD
10h 27m2 stops
$259Delta
Find Deal
vie., dic. 12 - sáb., dic. 13
Delta Logo
6:15 am - 1:38 pmORD-SFO
9h 23m2 stops
Delta Logo
10:35 am - 9:52 pmSFO-ORD
9h 17m2 stops
$260Delta
Find Deal
sáb., ene. 10 - sáb., ene. 17
Frontier Logo
6:00 am - 7:23 pmORD-SFO
15h 23m1 stop
Frontier Logo
11:38 pm - 11:54 amSFO-ORD
10h 16m1 stop
$261Frontier
Find Deal
jue., nov. 27 - vie., dic. 5
American Airlines Logo
8:35 am - 11:26 amORD-SFO
4h 51mnonstop
American Airlines Logo
6:00 am - 12:25 pmSFO-ORD
4h 25mnonstop
$262American Airlines
Find Deal
mié., dic. 17 - mié., ene. 7
Multiple Airlines Logo
7:44 pm - 8:30 pmORD-SFO
26h 46m1 stop
Multiple Airlines Logo
9:30 pm - 6:05 amSFO-ORD
30h 35m1 stop
$263Multiple Airlines
Find Deal
jue., dic. 18 - jue., dic. 25
United Airlines Logo
6:29 pm - 9:30 pmORD-SFO
5h 01mnonstop
United Airlines Logo
6:45 am - 1:10 pmSFO-ORD
4h 25mnonstop
$264United Airlines
Find Deal
jue., ene. 8 - mié., ene. 14
Delta Logo
5:15 pm - 10:17 pmORD-SFO
7h 02m1 stop
Delta Logo
6:05 am - 8:43 pmSFO-ORD
12h 38m2 stops
$265Delta
Find Deal
dom., feb. 15 - sáb., feb. 21
Delta Logo
2:20 pm - 10:55 pmORD-SFO
10h 35m2 stops
Delta Logo
2:05 pm - 11:59 pmSFO-ORD
7h 54m1 stop
$266Delta
Find Deal
vie., ene. 9 - dom., ene. 11

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

Our best Frontier deals on Chicago O'Hare Intl Airport to San Francisco flight tickets
Frontier
Nov 27
ORD6:00 amChicago O'Hare Intl
15h 23m
1 stop
SFO7:23 pmSan Francisco
Dec 4
SFO2:13 pmSan Francisco
19h 29m
1 stop
ORD11:42 amChicago O'Hare Intl
$260
Find similar
Frontier
Dec 5
ORD3:24 pmChicago O'Hare Intl
35h 00m
2 stops
SFO12:24 amSan Francisco
Dec 31
SFO6:24 amSan Francisco
15h 48m
1 stop
ORD12:12 amChicago O'Hare Intl
$261
Find similar
Frontier
Nov 25
ORD8:39 pmChicago O'Hare Intl
19h 22m
1 stop
SFO2:01 pmSan Francisco
Dec 5
SFO8:48 amSan Francisco
13h 24m
1 stop
ORD12:12 amChicago O'Hare Intl
$265
Find similar

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to San Francisco flight tickets
American Airlines
Dec 17
ORD8:35 amChicago O'Hare Intl
4h 51m
SFO11:26 amSan Francisco
Jan 7
SFO6:00 amSan Francisco
4h 25m
ORD12:25 pmChicago O'Hare Intl
$262
Find similar
American Airlines
Feb 12
ORD11:10 amChicago O'Hare Intl
4h 57m
SFO2:07 pmSan Francisco
Feb 17
SFO12:49 pmSan Francisco
9h 58m
1 stop
ORD12:47 amChicago O'Hare Intl
$272
Find similar
American Airlines
Jan 9
ORD11:46 amChicago O'Hare Intl
4h 51m
SFO2:37 pmSan Francisco
Jan 10
SFO6:00 amSan Francisco
4h 25m
ORD12:25 pmChicago O'Hare Intl
$280
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 noviembre 20, 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

lun. 12/22

6:00 am-1:13 pm

1 stop9h 13m

San Francisco

lun. 12/29

9:30 pm-6:05 am

1 stop30h 35m

$257

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

vie. 2/6

3:44 pm-10:47 pm

1 stop9h 03m

San Francisco

dom. 2/8

2:30 pm-11:50 pm

1 stop7h 20m

$258

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

vie. 12/12

6:45 am-2:23 pm

1 stop9h 38m

San Francisco

sáb. 12/13

7:37 pm-8:04 am

2 stops10h 27m

$259

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

sáb. 1/10

6:15 am-1:38 pm

2 stops9h 23m

San Francisco

sáb. 1/17

10:35 am-9:52 pm

2 stops9h 17m

$260

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

jue. 11/27

6:00 am-7:23 pm

1 stop15h 23m

San Francisco

vie. 12/5

11:38 pm-11:54 am

1 stop10h 16m

$261

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

mié. 12/17

8:35 am-11:26 am

Nonstop4h 51m

San Francisco

mié. 1/7

6:00 am-12:25 pm

Nonstop4h 25m

$262

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

jue. 12/18

7:44 pm-8:30 pm

1 stop26h 46m

San Francisco

jue. 12/25

9:30 pm-6:05 am

1 stop30h 35m

$263

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

jue. 1/8

6:29 pm-9:30 pm

Nonstop5h 01m

San Francisco

mié. 1/14

6:45 am-1:10 pm

Nonstop4h 25m

$264

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

dom. 2/15

5:15 pm-10:17 pm

1 stop7h 02m

San Francisco

sáb. 2/21

6:05 am-8:43 pm

2 stops12h 38m

$265

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

vie. 1/9

2:20 pm-10:55 pm

2 stops10h 35m

San Francisco

dom. 1/11

2:05 pm-11:59 pm

1 stop7h 54m

$266

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 $288.

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 $539.

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 $373. Flights in the afternoon are often more expensive with an average ticket price of $487.

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 $325 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 $274 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 November 2025, prices for Chicago O'Hare Intl Airport to San Francisco flights are approximately 6% cheaper 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

$196

Fastest flight time

4h 45m

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 $196. The best round-trip flight deal from Chicago O'Hare Intl Airport to San Francisco found on momondo in the last 72 hours is $376.
The fastest flight from Chicago O'Hare Intl Airport to San Francisco takes 4h 45m
Direct flights go from Chicago O'Hare Intl Airport to San Francisco every day.
There is 1 airport near San Francisco: 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 45m 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
2,811 reviews
Search Hawaiian Airlines flights
Sun Country AirPriceFrom $112Free CancellationRating
6.9
334 reviews
Search Sun Country Air flights
FrontierPriceFrom $124Free CancellationRating
5.8
3,104 reviews
Search Frontier flights
DeltaPriceFrom $128Free CancellationRating
7.9
8,002 reviews
Search Delta flights
SouthwestPriceFrom $138Free CancellationRating
8.0
4,249 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $192Free CancellationRating
8.0
11,321 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $197Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $203Free CancellationRating
7.4
9,028 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 2 times per week, with 4,249 momondo users rating the airline 8.0/10. 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 $332 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 $203 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $373. United Airlines operates 47 flights to San Francisco from Chicago O'Hare Intl Airport in an average week. Users have rated it 7.4/10 across 9,028 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
Calistoga
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Vallejo
Walnut Creek
Half Moon Bay
Salinas
Livermore
Turlock
South San Francisco

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.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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