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Cheap flights from Chicago O'Hare Intl Airport to San Francisco Bay Area from $51

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 Bay Area departing on 9/17. 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 Bay Area

Cheap round-trip flights

Spirit Airlines Logo
9:00 am - 8:00 pmORD-SJC
13h 00m1 stop
Spirit Airlines Logo
6:35 am - 9:32 pmSJC-ORD
12h 57m1 stop
$114Spirit Airlines
Find Deal
Tue, Sep 9 - Wed, Sep 10
Spirit Airlines Logo
9:00 am - 8:00 pmORD-SJC
13h 00m1 stop
Spirit Airlines Logo
11:40 am - 9:32 pmSJC-ORD
7h 52m1 stop
$121Spirit Airlines
Find Deal
Tue, Sep 9 - Wed, Sep 10
Frontier Logo
6:00 am - 11:30 amORD-SJC
7h 30m1 stop
Frontier Logo
12:30 pm - 11:59 pmSJC-ORD
9h 29m1 stop
$158Frontier
Find Deal
Fri, Sep 19 - Mon, Sep 22
Frontier Logo
6:00 am - 11:26 amORD-SJC
7h 26m1 stop
Frontier Logo
12:25 pm - 11:59 pmSJC-ORD
9h 34m1 stop
$159Frontier
Find Deal
Sun, Sep 14 - Mon, Sep 15
American Airlines Logo
6:45 am - 9:24 amORD-SFO
4h 39mnonstop
American Airlines Logo
1:21 pm - 7:45 pmSFO-ORD
4h 24mnonstop
$198American Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Alaska Airlines Logo
8:20 am - 2:01 pmORD-SFO
7h 41m1 stop
Alaska Airlines Logo
10:26 am - 11:59 pmSFO-ORD
11h 33m1 stop
$204Alaska Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Alaska Airlines Logo
7:59 pm - 10:39 pmORD-SJC
28h 40m1 stop
Alaska Airlines Logo
8:05 pm - 6:59 pmSJC-ORD
20h 54m1 stop
$204Alaska Airlines
Find Deal
Wed, Oct 22 - Mon, Oct 27
American Airlines Logo
6:00 pm - 8:50 pmORD-SFO
4h 50mnonstop
American Airlines Logo
2:22 pm - 8:40 pmSFO-ORD
4h 18mnonstop
$207American Airlines
Find Deal
Thu, Sep 11 - Wed, Sep 17
Southwest Logo
3:00 pm - 9:40 pmORD-OAK
8h 40m1 stop
Southwest Logo
2:25 pm - 11:05 pmOAK-ORD
6h 40m1 stop
$217Southwest
Find Deal
Tue, Sep 23 - Tue, Sep 30
Southwest Logo
7:00 am - 2:10 pmORD-OAK
9h 10m2 stops
Southwest Logo
5:00 am - 2:05 pmOAK-ORD
7h 05m1 stop
$222Southwest
Find Deal
Wed, Sep 10 - Sat, Sep 13

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

Our best Frontier deals on Chicago O'Hare Intl Airport to San Francisco Bay Area flight tickets
Frontier
Sep 19
ORD6:00 amChicago O'Hare Intl
7h 30m
1 stop
SJC11:30 amSan Jose
Sep 22
SJC12:30 pmSan Jose
9h 29m
1 stop
ORD11:59 pmChicago O'Hare Intl
$158
Find similar
Frontier
Sep 14
ORD6:00 amChicago O'Hare Intl
7h 26m
1 stop
SJC11:26 amSan Jose
Sep 15
SJC12:25 pmSan Jose
9h 34m
1 stop
ORD11:59 pmChicago O'Hare Intl
$159
Find similar
Frontier
Oct 3
ORD6:00 amChicago O'Hare Intl
7h 30m
1 stop
SJC11:30 amSan Jose
Oct 13
SJC12:35 pmSan Jose
10h 24m
1 stop
ORD12:59 amChicago O'Hare Intl
$189
Find similar

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to San Francisco Bay Area flight tickets
American Airlines
Sep 13
ORD6:45 amChicago O'Hare Intl
4h 39m
SFO9:24 amSan Francisco
Sep 20
SFO1:21 pmSan Francisco
4h 24m
ORD7:45 pmChicago O'Hare Intl
$198
Find similar
American Airlines
Sep 11
ORD6:00 pmChicago O'Hare Intl
4h 50m
SFO8:50 pmSan Francisco
Sep 17
SFO2:22 pmSan Francisco
4h 18m
ORD8:40 pmChicago O'Hare Intl
$207
Find similar
American Airlines
Sep 19
ORD6:45 amChicago O'Hare Intl
4h 39m
SFO9:24 amSan Francisco
Dec 4
SFO1:34 pmSan Francisco
4h 11m
ORD7:45 pmChicago O'Hare Intl
$217
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to San Francisco Bay Area 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 August 21, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Tue 9/9

9:00 am-8:00 pm

1 stop13h 00m

San Jose

Wed 9/10

6:35 am-9:32 pm

1 stop12h 57m

$114

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Tue 9/9

9:00 am-8:00 pm

1 stop13h 00m

San Jose

Wed 9/10

11:40 am-9:32 pm

1 stop7h 52m

$121

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Fri 9/19

6:00 am-11:30 am

1 stop7h 30m

San Jose

Mon 9/22

12:30 pm-11:59 pm

1 stop9h 29m

$158

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Sun 9/14

6:00 am-11:26 am

1 stop7h 26m

San Jose

Mon 9/15

12:25 pm-11:59 pm

1 stop9h 34m

$159

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 9/13

6:45 am-9:24 am

Nonstop4h 39m

San Francisco

Sat 9/20

1:21 pm-7:45 pm

Nonstop4h 24m

$198

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 10/15

8:20 am-2:01 pm

1 stop7h 41m

San Francisco

Wed 10/22

10:26 am-11:59 pm

1 stop11h 33m

$204

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Wed 10/22

7:59 pm-10:39 pm

1 stop28h 40m

San Jose

Mon 10/27

8:05 pm-6:59 pm

1 stop20h 54m

$204

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 9/11

6:00 pm-8:50 pm

Nonstop4h 50m

San Francisco

Wed 9/17

2:22 pm-8:40 pm

Nonstop4h 18m

$207

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Tue 9/23

3:00 pm-9:40 pm

1 stop8h 40m

Oakland

Tue 9/30

2:25 pm-11:05 pm

1 stop6h 40m

$217

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Wed 9/10

7:00 am-2:10 pm

2 stops9h 10m

Oakland

Sat 9/13

5:00 am-2:05 pm

1 stop7h 05m

$222

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 Bay Area from

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

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 Bay Area?

In general, April is the cheapest month to fly from Chicago O'Hare Intl Airport to San Francisco Bay Area. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $287. If you aren’t able to travel to San Francisco Bay Area during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $287.

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

On average, the least expensive day to fly to San Francisco Bay Area from Chicago O'Hare Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $351. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $523.

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

Our most recent data shows that the best time of day to fly to San Francisco Bay Area is in the evening. Flights from Chicago O'Hare Intl Airport to San Francisco Bay Area during this time can be as low as $375. In contrast, the most expensive time of day to depart to San Francisco Bay Area is in the afternoon when prices are around $454.

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

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

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

You are more likely to see cheaper flights to San Francisco Bay Area 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 Bay Area for around $312 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco Bay Area 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 Bay Area flights?

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

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to San Francisco Bay Area.

Cheap Chicago O'Hare Intl Airport to San Francisco Bay Area 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 Bay Area

Fastest flight time

4h 30m

Direct flights

Every day

Airports in San Francisco Bay Area

2 airports
The fastest flight from Chicago O'Hare Intl Airport to San Francisco Bay Area takes 4h 30m
Direct flights go from Chicago O'Hare Intl Airport to San Francisco Bay Area every day.
There are 2 airports near San Francisco Bay Area: San Francisco (SFO), San Jose (SJC)
Search flight deals

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to San Francisco Bay Area.

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

    The travel and health documents you'll need for your trip to San Francisco Bay Area may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Bay Area. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to San Francisco Bay Area with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $83Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
FrontierPriceFrom $90Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,672 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $128Free CancellationRating
7.9
7,981 reviews
Search Delta flights
SouthwestPriceFrom $180Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $188Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $197Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights

Why use momondo?

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

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 Bay Area from Chicago.

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

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

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

momondo helps you find the best flight between Chicago and San Francisco Bay Area by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to San Francisco Bay Area 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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