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Cheap flights from Chicago O'Hare Intl Airport to San Francisco Bay Area from $73

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 1/25. 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

Enter your travel dates to find the best prices.
Alaska Airlines Logo
3:54 pm - 10:49 pm
ORD
-
OAK
8h 55m1 stop
Alaska Airlines Logo
6:15 am - 4:33 pm
OAK
-
ORD
8h 18m1 stop
$236Alaska Airlines
Sat, Feb 14 - Wed, Feb 18
Alaska Airlines Logo
8:00 am - 11:03 pm
ORD
-
SFO
17h 03m1 stop
Alaska Airlines Logo
11:41 am - 11:37 pm
SFO
-
ORD
9h 56m1 stop
$238Alaska Airlines
Fri, Jan 23 - Wed, Jan 28
Frontier Logo
9:38 pm - 9:42 am
ORD
-
SJC
14h 04m1 stop
Frontier Logo
10:34 am - 9:03 pm
SJC
-
ORD
8h 29m1 stop
$239Frontier
Sun, Feb 8 - Thu, Feb 12
Frontier Logo
10:07 pm - 8:03 am
ORD
-
SFO
11h 56m1 stop
Frontier Logo
11:20 pm - 12:08 pm
SFO
-
ORD
10h 48m1 stop
$239Frontier
Sun, Jan 11 - Sat, Jan 17
Alaska Airlines Logo
8:00 am - 4:23 pm
ORD
-
OAK
10h 23m1 stop
Alaska Airlines Logo
8:10 am - 11:50 pm
OAK
-
ORD
13h 40m1 stop
$239Alaska Airlines
Tue, Jan 20 - Fri, Feb 6
Delta Logo
5:20 pm - 10:15 pm
ORD
-
SFO
6h 55m1 stop
Delta Logo
2:35 pm - 11:53 pm
SFO
-
ORD
7h 18m1 stop
$240Delta
Sat, Jan 17 - Mon, Jan 26
Delta Logo
7:30 am - 1:34 pm
ORD
-
SJC
8h 04m1 stop
Delta Logo
2:25 pm - 11:53 pm
SJC
-
ORD
7h 28m1 stop
$243Delta
Thu, Jan 15 - Sun, Jan 18
Multiple Airlines Logo
7:50 pm - 12:24 am
ORD
-
SFO
6h 34m1 stop
Multiple Airlines Logo
2:30 pm - 11:50 pm
SFO
-
ORD
7h 20m1 stop
$243Multiple Airlines
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
5:50 am - 1:31 pm
ORD
-
SFO
9h 41m1 stop
Multiple Airlines Logo
7:00 am - 10:38 pm
SFO
-
ORD
13h 38m2 stops
$244Multiple Airlines
Sat, Jan 10 - Wed, Jan 21
Hawaiian Airlines Logo
8:00 am - 11:03 am
ORD
-
OAK
29h 03m1 stop
Hawaiian Airlines Logo
5:17 pm - 5:10 pm
OAK
-
ORD
21h 53m1 stop
$251Hawaiian Airlines
Mon, Jan 19 - Mon, Jan 26

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

Our best Delta deals on Chicago O'Hare Intl Airport to San Francisco Bay Area flight tickets
Delta
Jan 17
ORD5:20 pmChicago O'Hare Intl
6h 55m
1 stop
SFO10:15 pmSan Francisco
Jan 26
SFO2:35 pmSan Francisco
7h 18m
1 stop
ORD11:53 pmChicago O'Hare Intl
$240
Find similar
Delta
Jan 15
ORD7:30 amChicago O'Hare Intl
8h 04m
1 stop
SJC1:34 pmSan Jose
Jan 18
SJC2:25 pmSan Jose
7h 28m
1 stop
ORD11:53 pmChicago O'Hare Intl
$243
Find similar
Delta
Jan 15
ORD2:20 pmChicago O'Hare Intl
10h 35m
2 stops
SJC10:55 pmSan Jose
Jan 18
SJC11:40 amSan Jose
10h 13m
1 stop
ORD11:53 pmChicago O'Hare Intl
$248
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
Jan 15
ORD11:46 amChicago O'Hare Intl
4h 51m
SFO2:37 pmSan Francisco
Jan 20
SFO9:10 amSan Francisco
9h 57m
1 stop
ORD9:07 pmChicago O'Hare Intl
$268
Find similar
American Airlines
Mar 13
ORD7:29 pmChicago O'Hare Intl
5h 01m
SFO10:30 pmSan Francisco
Mar 17
SFO3:13 pmSan Francisco
4h 22m
ORD9:35 pmChicago O'Hare Intl
$269
Find similar
American Airlines
Jan 30
ORD11:46 amChicago O'Hare Intl
4h 51m
SFO2:37 pmSan Francisco
Feb 2
SFO6:00 amSan Francisco
4h 25m
ORD12:25 pmChicago O'Hare Intl
$278
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 December 23, 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

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Sat 2/14

3:54 pm-10:49 pm

1 stop8h 55m

Oakland

Wed 2/18

6:15 am-4:33 pm

1 stop8h 18m

$236

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 1/23

8:00 am-11:03 pm

1 stop17h 03m

San Francisco

Wed 1/28

11:41 am-11:37 pm

1 stop9h 56m

$238

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Sun 2/8

9:38 pm-9:42 am

1 stop14h 04m

San Jose

Thu 2/12

10:34 am-9:03 pm

1 stop8h 29m

$239

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sun 1/11

10:07 pm-8:03 am

1 stop11h 56m

San Francisco

Sat 1/17

11:20 pm-12:08 pm

1 stop10h 48m

$239

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Tue 1/20

8:00 am-4:23 pm

1 stop10h 23m

Oakland

Fri 2/6

8:10 am-11:50 pm

1 stop13h 40m

$239

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 1/17

5:20 pm-10:15 pm

1 stop6h 55m

San Francisco

Mon 1/26

2:35 pm-11:53 pm

1 stop7h 18m

$240

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Thu 1/15

7:30 am-1:34 pm

1 stop8h 04m

San Jose

Sun 1/18

2:25 pm-11:53 pm

1 stop7h 28m

$243

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 1/8

7:50 pm-12:24 am

1 stop6h 34m

San Francisco

Mon 1/12

2:30 pm-11:50 pm

1 stop7h 20m

$243

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 1/10

5:50 am-1:31 pm

1 stop9h 41m

San Francisco

Wed 1/21

7:00 am-10:38 pm

2 stops13h 38m

$244

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Mon 1/19

8:00 am-11:03 am

1 stop29h 03m

Oakland

Mon 1/26

5:17 pm-5:10 pm

1 stop21h 53m

$251

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, May 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 $288. If you aren’t able to travel to San Francisco Bay Area 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 $295.

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 $352. 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 $545.

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 $379. In contrast, the most expensive time of day to depart to San Francisco Bay Area is in the afternoon when prices are around $502.

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 $327 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 $279 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 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 Jose (SJC), San Francisco (SFO).
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
FrontierPriceFrom $80Free CancellationRating
5.8
3,076 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $83Free CancellationRating
6.3
8,196 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
Sun Country AirPriceFrom $112Free CancellationRating
6.9
334 reviews
Search Sun Country Air flights
SouthwestPriceFrom $138Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
DeltaPriceFrom $159Free CancellationRating
7.9
8,014 reviews
Search Delta flights
JetBluePriceFrom $183Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $187Free CancellationRating
8.0
11,506 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $197Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
United AirlinesPriceFrom $203Free CancellationRating
7.4
9,103 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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