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Cheap flights from Chicago O'Hare Intl Airport to San Francisco from $119

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 1/20. 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.
Alaska Airlines Logo
8:00 am - 4:23 pm
ORD
-
OAK
10h 23m1 stop
Alaska Airlines Logo
6:15 am - 4:33 pm
OAK
-
ORD
8h 18m1 stop
$251Alaska Airlines
Tue, Feb 10 - Wed, Feb 18
Delta Logo
5:20 pm - 9:38 pm
ORD
-
OAK
6h 18m1 stop
Delta Logo
12:33 pm - 9:52 pm
OAK
-
ORD
7h 19m1 stop
$252Delta
Sat, Jan 17 - Tue, Feb 3
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
$255Alaska Airlines
Wed, Feb 18 - Sat, Feb 21
Delta Logo
5:20 pm - 9:38 pm
ORD
-
OAK
6h 18m1 stop
Delta Logo
12:33 pm - 9:52 pm
OAK
-
ORD
7h 19m1 stop
$256Delta
Sat, Jan 17 - Sat, Jan 24
Delta Logo
5:20 pm - 9:38 pm
ORD
-
OAK
6h 18m1 stop
Delta Logo
5:55 am - 5:55 pm
OAK
-
ORD
10h 00m2 stops
$257Delta
Sat, Jan 17 - Wed, Feb 4
Alaska Airlines Logo
2:06 pm - 9:46 am
ORD
-
OAK
21h 40m1 stop
Alaska Airlines Logo
8:10 am - 11:50 pm
OAK
-
ORD
13h 40m1 stop
$259Alaska Airlines
Tue, Jan 20 - Fri, Jan 30
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
$263Alaska Airlines
Sat, Feb 14 - Wed, Feb 18
Delta Logo
5:20 pm - 9:38 pm
ORD
-
OAK
6h 18m1 stop
Delta Logo
12:33 pm - 1:22 pm
OAK
-
ORD
22h 49m2 stops
$265Delta
Sat, Jan 17 - Thu, Feb 5
Delta Logo
6:40 pm - 11:53 pm
ORD
-
OAK
7h 13m1 stop
Delta Logo
5:55 am - 1:38 pm
OAK
-
ORD
5h 43m1 stop
$267Delta
Wed, Jan 21 - Wed, Jan 28
Delta Logo
5:20 pm - 9:38 pm
ORD
-
OAK
6h 18m1 stop
Delta Logo
12:33 pm - 9:52 pm
OAK
-
ORD
7h 19m1 stop
$270Delta
Sat, Jan 17 - Thu, Feb 5

Delta flights from Chicago O'Hare Intl Airport to Oakland, California

Our best Delta deals on Chicago O'Hare Intl Airport to Oakland, California flight tickets
Delta
Jan 17
ORD5:20 pmChicago O'Hare Intl
6h 18m
1 stop
OAK9:38 pmOakland
Feb 3
OAK12:33 pmOakland
7h 19m
1 stop
ORD9:52 pmChicago O'Hare Intl
$252
Find similar
Delta
Jan 17
ORD5:20 pmChicago O'Hare Intl
6h 18m
1 stop
OAK9:38 pmOakland
Jan 24
OAK12:33 pmOakland
7h 19m
1 stop
ORD9:52 pmChicago O'Hare Intl
$256
Find similar
Delta
Jan 17
ORD5:20 pmChicago O'Hare Intl
6h 18m
1 stop
OAK9:38 pmOakland
Feb 4
OAK5:55 amOakland
10h 00m
2 stops
ORD5:55 pmChicago O'Hare Intl
$257
Find similar

Alaska Airlines flights from Chicago O'Hare Intl Airport to Oakland, California

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Oakland, California flight tickets
Alaska Airlines
Feb 10
ORD8:00 amChicago O'Hare Intl
10h 23m
1 stop
OAK4:23 pmOakland
Feb 18
OAK6:15 amOakland
8h 18m
1 stop
ORD4:33 pmChicago O'Hare Intl
$251
Find similar
Alaska Airlines
Feb 18
ORD3:54 pmChicago O'Hare Intl
8h 55m
1 stop
OAK10:49 pmOakland
Feb 21
OAK6:15 amOakland
8h 18m
1 stop
ORD4:33 pmChicago O'Hare Intl
$255
Find similar
Alaska Airlines
Jan 20
ORD2:06 pmChicago O'Hare Intl
21h 40m
1 stop
OAK9:46 amOakland
Jan 30
OAK8:10 amOakland
13h 40m
1 stop
ORD11:50 pmChicago O'Hare Intl
$259
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Oakland, California 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 28, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Oakland, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Tue 2/10

8:00 am-4:23 pm

1 stop10h 23m

Oakland

Wed 2/18

6:15 am-4:33 pm

1 stop8h 18m

$251

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Sat 1/17

5:20 pm-9:38 pm

1 stop6h 18m

Oakland

Tue 2/3

12:33 pm-9:52 pm

1 stop7h 19m

$252

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Wed 2/18

3:54 pm-10:49 pm

1 stop8h 55m

Oakland

Sat 2/21

6:15 am-4:33 pm

1 stop8h 18m

$255

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Sat 1/17

5:20 pm-9:38 pm

1 stop6h 18m

Oakland

Sat 1/24

12:33 pm-9:52 pm

1 stop7h 19m

$256

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Sat 1/17

5:20 pm-9:38 pm

1 stop6h 18m

Oakland

Wed 2/4

5:55 am-5:55 pm

2 stops10h 00m

$257

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Tue 1/20

2:06 pm-9:46 am

1 stop21h 40m

Oakland

Fri 1/30

8:10 am-11:50 pm

1 stop13h 40m

$259

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

$263

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Sat 1/17

5:20 pm-9:38 pm

1 stop6h 18m

Oakland

Thu 2/5

12:33 pm-1:22 pm

2 stops22h 49m

$265

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Wed 1/21

6:40 pm-11:53 pm

1 stop7h 13m

Oakland

Wed 1/28

5:55 am-1:38 pm

1 stop5h 43m

$267

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Sat 1/17

5:20 pm-9:38 pm

1 stop6h 18m

Oakland

Thu 2/5

12:33 pm-9:52 pm

1 stop7h 19m

$270

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 Oakland, California

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 Oakland, California?

The month of September is, on average, the cheapest month to fly to Oakland, California from Chicago O'Hare Intl Airport, with most prices found around $251. If you aren’t able to travel to Oakland, California during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $301.

What is the cheapest day to depart on your flight to Oakland, California?

According to our data, Monday is the cheapest day to fly to Oakland, California from Chicago O'Hare Intl Airport. The lowest ticket price found for a Monday departure recently was $382. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to Oakland, California for around $627.

What is the cheapest time of day to depart on your flight to Oakland, California?

At noon is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Oakland, California when you can find flight prices for as low as $354. Flying to Oakland, California at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $629.

How have Chicago O'Hare Intl Airport to Oakland, California flight prices changed over time?

As of December 2025, prices for Chicago O'Hare Intl Airport to Oakland, California flights are approximately 71% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Oakland, California

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Oakland, California 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 Oakland, California (ORD to OAK) flight deals and tips

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

Fastest flight time

6h 18m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Oakland, California takes 6h 18m
There are no direct flights from Chicago O'Hare Intl Airport to Oakland, California. There are no popular flight routes from Chicago O'Hare Intl Airport to Oakland, California.
Search flight deals

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

    Chicago O'Hare Intl and Oakland are 1830.7 mi apart from one another. In terms of flight time, this usually takes a little over 6h 18m.

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

    Prices for flights from Chicago O'Hare Intl Airport to Oakland Airport were last updated today.

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

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Oakland Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 Oakland Airport.

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

    The travel and health documents you'll need for your trip to Oakland Airport 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 Oakland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Oakland, California?

Best airlines flying from Chicago O'Hare Intl Airport to Oakland, California

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Oakland, California with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $83Free CancellationRating
6.3
8,210 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $236Free CancellationRating
8.0
4,256 reviews
Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Oakland for you.

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

Yes. momondo enables you to select and highlight flights to Oakland from Chicago with this policy.

How can momondo help me find flights from Chicago to Oakland?

momondo helps you find the best flight between Chicago and Oakland 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 Oakland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Oakland, momondo offers a useful price alert feature which will track prices for flights to Oakland from Chicago and alert you when they change.

An easier way to manage your Oakland, California trip

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