How many flights depart from California to Chicago O'Hare Intl Airport on average per day?

207 flights are operational daily from California to Chicago O'Hare Intl Airport as of September 2026. The most popular departure time for this route is 10:00AM, with 51% of flights per day taking off at noon.

How long does it take to fly to Chicago O'Hare Intl Airport?

On average, it takes 3h 54m to fly from California to Chicago O'Hare Intl Airport if you fly out of San Diego (the most popular airport in California) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago O'Hare Intl Airport). If you’re flying out of Los Angeles and into Chicago O'Hare Intl Airport, then the flight time is around 3h 55m.

What is the cheapest airline that flies from California to Chicago O'Hare Intl?

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from California to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from California according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 7 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

How many flights depart from California to Chicago O'Hare Intl Airport on average per week?

As of September 2026, there are 1,453 flights per week flying from California to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Mon, with 22% of flights taking off on this day.

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

As of September 2026, there are 7 operators available to choose from for flights from California to Chicago O'Hare Intl Airport.

How old do you have to be to fly from California to Chicago O'Hare Intl 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 California to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$103 Cheap Flights from California to Chicago O'Hare Intl Airport in 2026/27

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:35 pm - 5:16 amONT Ontario-ORD Chicago O'Hare Intl

6h 41m1 stop Las Vegas Harry Reid Intl

6:30 am - 10:35 amORD Chicago O'Hare Intl-ONT Ontario

6h 05m1 stop Denver Intl

$195Frontier

Thu, Oct 22 - Tue, Nov 3

6:15 am - 12:24 amONT Ontario-ORD Chicago O'Hare Intl

16h 09m1 stop Denver Intl

8:30 am - 4:48 pmORD Chicago O'Hare Intl-ONT Ontario

10h 18m1 stop Dallas/Fort Worth

$198Frontier

Tue, Oct 13 - Tue, Oct 20

12:21 am - 6:34 amLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

4h 13mnonstop

9:00 am - 5:03 pmORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

10h 03m1 stop Seattle/Tacoma Intl

$202Multiple Airlines

Sun, Oct 18 - Wed, Oct 21

6:02 am - 6:20 pmONT Ontario-ORD Chicago O'Hare Intl

10h 18m1 stop Seattle/Tacoma Intl

6:30 am - 10:29 amORD Chicago O'Hare Intl-ONT Ontario

5h 59m1 stop Denver Intl

$207Multiple Airlines

Mon, Oct 19 - Sat, Oct 24

10:00 am - 11:55 pmLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

11h 55m1 stop Fort Lauderdale

7:00 am - 2:47 pmORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

9h 47m1 stop Fort Lauderdale

$215JetBlue

Fri, Nov 13 - Tue, Nov 17

10:40 pm - 11:24 amLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

10h 44m1 stop New York John F Kennedy Intl

2:55 pm - 10:49 pmORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

9h 54m1 stop Fort Lauderdale

$215JetBlue

Mon, Oct 19 - Sat, Oct 24

6:45 pm - 12:59 amLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

4h 14mnonstop

1:00 pm - 3:29 pmORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 29mnonstop

$215United Airlines

Wed, Oct 28 - Sat, Oct 31

3:43 pm - 10:00 pmLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

4h 17mnonstop

6:00 am - 8:36 amORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 36mnonstop

$215United Airlines

Tue, Oct 27 - Sat, Oct 31

5:56 pm - 12:01 amLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

4h 05mnonstop

5:30 am - 8:22 amORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 52mnonstop

$216American Airlines

Thu, Nov 5 - Sun, Nov 8

9:49 am - 4:05 pmLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

4h 16mnonstop

6:45 pm - 9:28 pmORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 43mnonstop

$216American Airlines

Wed, Nov 4 - Wed, Nov 11

Cheap last minute flights

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10:04 am - 5:38 amONT Ontario-ORD Chicago O'Hare Intl

17h 34m1 stop Las Vegas Harry Reid Intl

8:30 am - 4:48 pmORD Chicago O'Hare Intl-ONT Ontario

10h 18m1 stop Dallas/Fort Worth

$227Frontier

Wed, Sep 23 - Sat, Oct 24

11:45 am - 12:23 amONT Ontario-ORD Chicago O'Hare Intl

10h 38m1 stop Denver Intl

12:26 pm - 7:05 pmORD Chicago O'Hare Intl-ONT Ontario

8h 39m1 stop Dallas/Fort Worth

$229Frontier

Sat, Sep 26 - Thu, Oct 22

1:18 pm - 9:30 pmONT Ontario-ORD Chicago O'Hare Intl

6h 12m1 stop Denver Intl

8:20 pm - 10:51 pmORD Chicago O'Hare Intl-ONT Ontario

4h 31mnonstop

$278United Airlines

Wed, Sep 23 - Sat, Oct 24

7:11 pm - 5:59 amONT Ontario-ORD Chicago O'Hare Intl

8h 48m1 stop Phoenix Sky Harbor Intl

5:00 am - 9:29 amORD Chicago O'Hare Intl-ONT Ontario

6h 29m1 stop Dallas/Fort Worth

$317American Airlines

Sun, Sep 27 - Wed, Sep 30

7:11 pm - 5:59 amONT Ontario-ORD Chicago O'Hare Intl

8h 48m1 stop Phoenix Sky Harbor Intl

3:00 pm - 10:37 pmORD Chicago O'Hare Intl-ONT Ontario

9h 37m1 stop Dallas/Fort Worth

$317American Airlines

Sun, Sep 27 - Tue, Sep 29

9:52 am - 6:04 pmONT Ontario-ORD Chicago O'Hare Intl

6h 12m1 stop Salt Lake City

1:55 pm - 10:40 pmORD Chicago O'Hare Intl-ONT Ontario

10h 45m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

$322Delta

Thu, Sep 24 - Mon, Sep 28

6:00 pm - 7:56 amONT Ontario-ORD Chicago O'Hare Intl

11h 56m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

5:30 am - 11:09 amORD Chicago O'Hare Intl-ONT Ontario

7h 39m1 stop Atlanta Hartsfield-Jackson

$322Delta

Sun, Sep 27 - Sun, Oct 4

9:03 am - 7:41 pmSAN San Diego-ORD Chicago O'Hare Intl

8h 38m1 stop Dallas/Fort Worth

7:20 am - 9:56 amORD Chicago O'Hare Intl-SAN San Diego

4h 36mnonstop

$327Multiple Airlines

Sat, Sep 26 - Sun, Oct 11

6:02 am - 6:01 pmONT Ontario-ORD Chicago O'Hare Intl

9h 59m1 stop Seattle/Tacoma Intl

6:30 am - 10:30 amORD Chicago O'Hare Intl-ONT Ontario

6h 00m1 stop Denver Intl

$333Multiple Airlines

Sat, Sep 26 - Wed, Sep 30

2:07 pm - 8:28 pmSAN San Diego-ORD Chicago O'Hare Intl

4h 21mnonstop

7:00 am - 11:35 amORD Chicago O'Hare Intl-SAN San Diego

6h 35m1 stop Los Angeles Los Angeles

$376United Airlines

Sat, Sep 26 - Sun, Oct 11

Cheap direct flights

Enter your travel dates to find the best prices.

12:21 am - 6:34 amLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

4h 13mnonstop

8:01 pm - 10:51 pmORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 50mnonstop

$199Frontier

Tue, Oct 13 - Wed, Oct 21

11:59 pm - 6:15 amLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

4h 16mnonstop

10:30 pm - 1:10 amORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 40mnonstop

$199Frontier

Thu, Nov 26 - Fri, Nov 27

6:45 pm - 12:59 amLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

4h 14mnonstop

5:52 pm - 8:31 pmORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 39mnonstop

$215United Airlines

Tue, Oct 27 - Wed, Oct 28

11:35 pm - 5:45 amLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

4h 10mnonstop

6:00 am - 8:36 amORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 36mnonstop

$215United Airlines

Fri, Oct 16 - Tue, Nov 3

5:56 pm - 12:01 amLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

4h 05mnonstop

5:30 am - 8:22 amORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 52mnonstop

$216American Airlines

Thu, Nov 5 - Sun, Nov 8

9:49 am - 4:05 pmLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

4h 16mnonstop

6:45 pm - 9:28 pmORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 43mnonstop

$216American Airlines

Wed, Nov 4 - Wed, Nov 11

5:59 pm - 11:55 pmLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

3h 56mnonstop

7:45 am - 10:23 amORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 38mnonstop

$217Delta

Fri, Nov 13 - Sun, Nov 15

5:59 pm - 11:55 pmLAX Los Angeles Los Angeles-ORD Chicago O'Hare Intl

3h 56mnonstop

2:32 pm - 5:02 pmORD Chicago O'Hare Intl-LAX Los Angeles Los Angeles

4h 30mnonstop

$217Delta

Mon, Nov 9 - Wed, Nov 18

7:02 am - 1:17 pmSAN San Diego-ORD Chicago O'Hare Intl

4h 15mnonstop

7:20 am - 10:03 amORD Chicago O'Hare Intl-SAN San Diego

4h 43mnonstop

$245Alaska Airlines

Thu, Nov 5 - Sat, Nov 7

7:00 am - 1:25 pmSAN San Diego-ORD Chicago O'Hare Intl

4h 25mnonstop

7:20 am - 9:56 amORD Chicago O'Hare Intl-SAN San Diego

4h 36mnonstop

$247Alaska Airlines

Sat, Oct 17 - Sat, Oct 24

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Frontier flights from California to Chicago O'Hare Intl Airport

Our best Frontier deals on California to Chicago O'Hare Intl Airport flight tickets

Frontier

Oct 22

ONT8:35 pmOntario

6h 41m

1 stop

ORD5:16 amChicago O'Hare Intl

Nov 3

ORD6:30 amChicago O'Hare Intl

6h 05m

1 stop

ONT10:35 amOntario

$195

Frontier

Oct 15

LAX12:21 amLos Angeles Los Angeles

4h 13m

ORD6:34 amChicago O'Hare Intl

Oct 24

ORD6:30 amChicago O'Hare Intl

19h 59m

1 stop

LAX12:29 amLos Angeles Los Angeles

$198

Frontier

Oct 15

LAX12:21 amLos Angeles Los Angeles

4h 13m

ORD6:34 amChicago O'Hare Intl

Oct 20

ORD8:01 pmChicago O'Hare Intl

4h 50m

LAX10:51 pmLos Angeles Los Angeles

$199

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

Our best Alaska Airlines deals on California to Chicago O'Hare Intl Airport flight tickets

Alaska Airlines

Oct 28

ONT6:02 amOntario

10h 18m

1 stop

ORD6:20 pmChicago O'Hare Intl

Oct 31

ORD3:49 pmChicago O'Hare Intl

22h 17m

1 stop

ONT12:06 pmOntario

$209

Alaska Airlines

Nov 5

SAN7:02 amSan Diego

4h 15m

ORD1:17 pmChicago O'Hare Intl

Nov 7

ORD7:20 amChicago O'Hare Intl

4h 43m

SAN10:03 amSan Diego

$245

Alaska Airlines

Oct 5

SAN5:46 pmSan Diego

4h 13m

ORD11:59 pmChicago O'Hare Intl

Oct 7

ORD7:20 amChicago O'Hare Intl

4h 36m

SAN9:56 amSan Diego

$255

momondo Fare Finder

Use the filters below to find and compare flights from California to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Thu 10/22

8:35 pm-5:16 am

1 stop6h 41m

Chicago O'Hare Intl

Tue 11/3

6:30 am-10:35 am

1 stop6h 05m

$195

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Tue 10/13

6:15 am-12:24 am

1 stop16h 09m

Chicago O'Hare Intl

Tue 10/20

8:30 am-4:48 pm

1 stop10h 18m

$198

Los AngelesChicago

LAX Los Angeles Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles Los Angeles

Sun 10/18

12:21 am-6:34 am

Nonstop4h 13m

Chicago O'Hare Intl

Wed 10/21

9:00 am-5:03 pm

1 stop10h 03m

$202

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Mon 10/19

6:02 am-6:20 pm

1 stop10h 18m

Chicago O'Hare Intl

Sat 10/24

6:30 am-10:29 am

1 stop5h 59m

$207

Los AngelesChicago

LAX Los Angeles Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles Los Angeles

Fri 11/13

10:00 am-11:55 pm

1 stop11h 55m

Chicago O'Hare Intl

Tue 11/17

7:00 am-2:47 pm

1 stop9h 47m

$215

Los AngelesChicago

LAX Los Angeles Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles Los Angeles

Mon 10/19

10:40 pm-11:24 am

1 stop10h 44m

Chicago O'Hare Intl

Sat 10/24

2:55 pm-10:49 pm

1 stop9h 54m

$215

Quickest round-trip

Los AngelesChicago

LAX Los Angeles Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles Los Angeles

Wed 10/28

6:45 pm-12:59 am

Nonstop4h 14m

Chicago O'Hare Intl

Sat 10/31

1:00 pm-3:29 pm

Nonstop4h 29m

$215

Los AngelesChicago

LAX Los Angeles Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles Los Angeles

Tue 10/27

3:43 pm-10:00 pm

Nonstop4h 17m

Chicago O'Hare Intl

Sat 10/31

6:00 am-8:36 am

Nonstop4h 36m

$215

Los AngelesChicago

LAX Los Angeles Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles Los Angeles

Thu 11/5

5:56 pm-12:01 am

Nonstop4h 05m

Chicago O'Hare Intl

Sun 11/8

5:30 am-8:22 am

Nonstop4h 52m

$216

Los AngelesChicago

LAX Los Angeles Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles Los Angeles

Wed 11/4

9:49 am-4:05 pm

Nonstop4h 16m

Chicago O'Hare Intl

Wed 11/11

6:45 pm-9:28 pm

Nonstop4h 43m

$216

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Chicago O'Hare Intl Airport

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

Prices

Airlines

Other information

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from California averaging around $376.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $404. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $506.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from California in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $367 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $527. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest California to Chicago O'Hare Intl flight route?

Fly from Los Angeles Los Angeles to Chicago O'Hare Intl for the best California - Chicago O'Hare Intl flight prices

How far in advance should I book a flight from California to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $360 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from California for as low as $300 on momondo.

What cabin class options are available on California to Chicago O'Hare Intl Airport flights?

There are 4 cabin classes available to choose from on California to Chicago O'Hare Intl Airport 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 California to Chicago O'Hare Intl Airport flights?

You could potentially save up to 19% on your flight if you consider stops on a California to Chicago O'Hare Intl Airport flight.

Cheap California to Chicago O'Hare Intl Airport flight deals and tips

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

Best Price Found	$103
Fastest flight time	3h 30m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from California in the past 72 hours is $103. The best round-trip flight deal from California to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $195.

The fastest flight from California to Chicago O'Hare Intl Airport takes 3h 30m

Direct flights go from California to Chicago O'Hare Intl Airport every day.

Search flight deals

Frequently asked questions about flying from California to Chicago O'Hare Intl Airport

When did momondo last update prices for flights from California to Chicago O'Hare Intl Airport?
Prices for flights from California to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from California to Chicago O'Hare Intl Airport?
As of September 2026, there are 7 operators available to choose from for flights from California to Chicago O'Hare Intl Airport.
How old do you have to be to fly from California to Chicago O'Hare Intl 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 California to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from California to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between California and Chicago O'Hare Intl Airport, the leading plane model is Airbus A321neo, making up 18.13% of the total bookings. Other popular models include Boeing 737-800 with 14.10%, Airbus A321-100/200 with 12.74%, and Boeing 757-300 with 9.92%.

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

Compare and see reviews for airlines that fly from California to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $100	Free Cancellation	Rating 5.6 2,583 reviews	Search Frontier flights
Delta	PriceFrom $122	Free Cancellation	Rating 7.8 8,597 reviews	Search Delta flights
Alaska Airlines	PriceFrom $161	Free Cancellation	Rating 7.9 12,953 reviews	Search Alaska Airlines flights
JetBlue	PriceFrom $166	Free Cancellation	Rating 7.1 3,036 reviews	Search JetBlue flights
American Airlines	PriceFrom $172	Free Cancellation	Rating 7.0 12,082 reviews	Search American Airlines flights
United Airlines	PriceFrom $182	Free Cancellation	Rating 7.4 10,224 reviews	Search United Airlines flights
Southwest	PriceFrom $236	Free Cancellation	Rating 8.0 4,195 reviews	Search Southwest flights

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to Chicago. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for California to Chicago flights to just show those with flexible booking policies.

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

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 California to Chicago.

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

Yes. momondo can track prices for California to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from California to Chicago from $103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Chicago departing on 11/11. 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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Frontier flights from California to Chicago O'Hare Intl Airport

Our best Frontier deals on California to Chicago O'Hare Intl Airport flight tickets

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

Our best Alaska Airlines deals on California to Chicago O'Hare Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from California to Chicago O'Hare Intl Airport that are best for you.

See travel insights to Chicago from

How to get the cheapest flight ticket from California to Chicago O'Hare Intl Airport

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest California to Chicago O'Hare Intl flight route?

How far in advance should I book a flight from California to Chicago O'Hare Intl Airport?

What cabin class options are available on California to Chicago O'Hare Intl Airport flights?

Can stopping save me money on California to Chicago O'Hare Intl Airport flights?

What is the cheapest airline that flies from California to Chicago O'Hare Intl?

What airlines fly to Chicago O'Hare Intl Airport?

How many flights depart from California to Chicago O'Hare Intl Airport on average per day?

How many flights depart from California to Chicago O'Hare Intl Airport on average per week?

How long does it take to fly to Chicago O'Hare Intl Airport?

Cheap California to Chicago O'Hare Intl Airport flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from California to Chicago O'Hare Intl Airport

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

Compare and see reviews for airlines that fly from California to Chicago O'Hare Intl Airport with momondo

Traveling to a place near Chicago?

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An easier way to manage your Chicago O'Hare Intl Airport trip

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List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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