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Cheap flights from Chicago O'Hare Intl Airport to San Francisco Bay Area from $113

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 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to San Francisco Bay Area

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:03 pm - 10:50 pm
ORD
-
SJC
4h 47mnonstop
United Airlines Logo
12:51 pm - 9:29 pm
SJC
-
ORD
6h 38m
1 stop
$271United Airlines
Thu, Aug 20 - Tue, Sep 1
Delta Logo
7:37 pm - 11:39 pm
ORD
-
SJC
6h 02m
1 stop
Delta Logo
2:55 pm - 11:38 pm
SJC
-
ORD
6h 43m
1 stop
$273Delta
Wed, Jul 1 - Wed, Jul 8
Alaska Airlines Logo
6:20 am - 2:10 pm
ORD
-
OAK
9h 50m
1 stop
Alaska Airlines Logo
2:50 pm - 11:36 pm
OAK
-
ORD
6h 46m
1 stop
$273Alaska Airlines
Wed, Jul 1 - Tue, Jul 7
Delta Logo
7:37 pm - 11:39 pm
ORD
-
SJC
6h 02m
1 stop
Delta Logo
8:25 pm - 8:30 am
SJC
-
ORD
10h 05m
2 stops
$278Delta
Wed, Jul 1 - Tue, Jul 7
American Airlines Logo
5:00 am - 12:28 pm
ORD
-
STS
9h 28m
1 stop
American Airlines Logo
12:58 pm - 12:28 am
STS
-
ORD
9h 30m
1 stop
$279American Airlines
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
7:55 pm - 10:42 pm
ORD
-
SJC
4h 47mnonstop
United Airlines Logo
4:00 pm - 11:57 pm
SJC
-
ORD
5h 57m
1 stop
$279United Airlines
Thu, Oct 22 - Mon, Oct 26
Alaska Airlines Logo
7:59 pm - 9:57 am
ORD
-
OAK
15h 58m
1 stop
Alaska Airlines Logo
10:37 am - 11:36 pm
OAK
-
ORD
10h 59m
1 stop
$281Alaska Airlines
Tue, Aug 4 - Mon, Aug 10
American Airlines Logo
6:29 am - 9:27 am
ORD
-
SFO
4h 58mnonstop
American Airlines Logo
4:20 pm - 11:00 pm
SFO
-
ORD
4h 40mnonstop
$295American Airlines
Mon, Jun 29 - Tue, Jul 7
Frontier Logo
9:48 pm - 11:43 am
ORD
-
SFO
15h 55m
1 stop
Frontier Logo
9:00 pm - 5:37 am
SFO
-
ORD
6h 37m
1 stop
$296Frontier
Mon, Jun 29 - Sun, Jul 5
Frontier Logo
7:05 am - 7:18 pm
ORD
-
SFO
14h 13m
1 stop
Frontier Logo
12:33 pm - 8:53 pm
SFO
-
ORD
6h 20m
1 stop
$297Frontier
Mon, Jul 27 - Sat, Aug 22

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
Jun 12
ORD6:55 amChicago O'Hare Intl
15h 00m
1 stop
SFO7:55 pmSan Francisco
Sep 14
SFO9:00 pmSan Francisco
6h 42m
1 stop
ORD5:42 amChicago O'Hare Intl
$294
Frontier
Jun 29
ORD9:48 pmChicago O'Hare Intl
15h 55m
1 stop
SFO11:43 amSan Francisco
Jul 5
SFO9:00 pmSan Francisco
6h 37m
1 stop
ORD5:37 amChicago O'Hare Intl
$296
Frontier
Jul 27
ORD7:05 amChicago O'Hare Intl
14h 13m
1 stop
SFO7:18 pmSan Francisco
Sep 24
SFO4:51 pmSan Francisco
10h 51m
1 stop
ORD5:42 amChicago O'Hare Intl
$297

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 2
ORD5:00 amChicago O'Hare Intl
9h 28m
1 stop
STS12:28 pmSanta Rosa Sonoma County
Sep 5
STS12:58 pmSanta Rosa Sonoma County
9h 30m
1 stop
ORD12:28 amChicago O'Hare Intl
$279
American Airlines
Jun 29
ORD6:29 amChicago O'Hare Intl
4h 58m
SFO9:27 amSan Francisco
Jul 7
SFO4:20 pmSan Francisco
4h 40m
ORD11:00 pmChicago O'Hare Intl
$295
American Airlines
Aug 10
ORD9:05 pmChicago O'Hare Intl
4h 40m
SFO11:45 pmSan Francisco
Aug 15
SFO5:07 pmSan Francisco
4h 23m
ORD11:30 pmChicago O'Hare Intl
$302

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 June 4, 2026.
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

Cheapest round-trip

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Thu 8/20

8:03 pm-10:50 pm

Nonstop4h 47m

San Jose

Tue 9/1

12:51 pm-9:29 pm

1 stop6h 38m

$271

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Wed 7/1

7:37 pm-11:39 pm

1 stop6h 02m

San Jose

Wed 7/8

2:55 pm-11:38 pm

1 stop6h 43m

$273

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Wed 7/1

6:20 am-2:10 pm

1 stop9h 50m

Oakland

Tue 7/7

2:50 pm-11:36 pm

1 stop6h 46m

$273

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Wed 7/1

7:37 pm-11:39 pm

1 stop6h 02m

San Jose

Tue 7/7

8:25 pm-8:30 am

2 stops10h 05m

$278

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Wed 9/2

5:00 am-12:28 pm

1 stop9h 28m

Santa Rosa Sonoma County

Sat 9/5

12:58 pm-12:28 am

1 stop9h 30m

$279

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Thu 10/22

7:55 pm-10:42 pm

Nonstop4h 47m

San Jose

Mon 10/26

4:00 pm-11:57 pm

1 stop5h 57m

$279

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Tue 8/4

7:59 pm-9:57 am

1 stop15h 58m

Oakland

Mon 8/10

10:37 am-11:36 pm

1 stop10h 59m

$281
Quickest round-trip

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 6/29

6:29 am-9:27 am

Nonstop4h 58m

San Francisco

Tue 7/7

4:20 pm-11:00 pm

Nonstop4h 40m

$295

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 6/29

9:48 pm-11:43 am

1 stop15h 55m

San Francisco

Sun 7/5

9:00 pm-5:37 am

1 stop6h 37m

$296

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 7/27

7:05 am-7:18 pm

1 stop14h 13m

San Francisco

Sat 8/22

12:33 pm-8:53 pm

1 stop6h 20m

$297

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, June 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 $450. If you aren’t able to travel to San Francisco Bay Area during the month of June, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $473.

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 $398. 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 $657.

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 morning. Flights from Chicago O'Hare Intl Airport to San Francisco Bay Area during this time can be as low as $447. In contrast, the most expensive time of day to depart to San Francisco Bay Area is in the afternoon when prices are around $589.

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 from Chicago O'Hare Intl Airport 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 $377 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 $305 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport 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 36m

Direct flights

Every day

Airports in San Francisco Bay Area

6 airports
The fastest flight from Chicago O'Hare Intl Airport to San Francisco Bay Area takes 4h 36m
Direct flights go from Chicago O'Hare Intl Airport to San Francisco Bay Area every day.
There are 6 airports in San Francisco Bay Area. From Chicago O'Hare Intl Airport there are direct flights to San Francisco (SFO), San Jose (SJC).
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to San Francisco Bay Area

  • 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
FrontierPriceFrom $116Free CancellationRating
5.6
2,914 reviews
Search Frontier flights
DeltaPriceFrom $128Free CancellationRating
7.8
8,396 reviews
Search Delta flights
SouthwestPriceFrom $138Free CancellationRating
8.0
4,255 reviews
Search Southwest flights
JetBluePriceFrom $147Free CancellationRating
7.1
2,982 reviews
Search JetBlue flights
Hawaiian AirlinesPriceFrom $158Free CancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $165Free CancellationRating
7.9
12,469 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $201Free CancellationRating
7.1
11,649 reviews
Search American Airlines flights
United AirlinesPriceFrom $234Free CancellationRating
7.4
9,779 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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