What airlines fly to Chicago O'Hare Intl Airport?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from California according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 8 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

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

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

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

As of June 2026, there are 2,173 flights per week flying from California to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

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

310 flights are operational daily from California to Chicago O'Hare Intl Airport as of June 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 4h to fly from California to Chicago O'Hare Intl Airport if you fly out of Los Angeles (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 Santa Ana and into Chicago O'Hare Intl Airport, then the flight time is around 4h.

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

As of June 2026, there are 8 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.

$108 Cheap Flights from California to Chicago O'Hare Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:59 pm - 6:19 am

LAX

ORD

4h 20mnonstop

9:13 pm - 11:57 pm

ORD

LAX

4h 44mnonstop

$223Frontier

Sat, Jul 4 - Wed, Jul 15

6:30 am - 8:52 pm

LAX

ORD

12h 22m

1 stop

9:57 pm - 8:55 am

ORD

LAX

12h 58m

1 stop

$224Frontier

Tue, Jul 14 - Tue, Jul 28

2:38 pm - 11:36 pm

LAS

ORD

6h 58m

1 stop

7:15 am - 9:23 am

ORD

LAS

4h 08mnonstop

$229Multiple Airlines

Tue, Jul 14 - Tue, Jul 21

6:05 am - 11:57 am

LAS

ORD

3h 52mnonstop

2:21 pm - 7:28 pm

ORD

LAS

7h 07m

1 stop

$231Multiple Airlines

Thu, Oct 8 - Tue, Oct 13

1:06 pm - 9:30 pm

ONT

ORD

6h 24m

1 stop

7:44 pm - 11:34 pm

ORD

ONT

5h 50m

1 stop

$298Delta

Wed, Aug 12 - Mon, Aug 17

6:10 pm - 5:00 am

BUR

ORD

8h 50m

1 stop

7:20 am - 1:13 pm

ORD

BUR

7h 53m

1 stop

$301Alaska Airlines

Tue, Jul 14 - Wed, Jul 15

1:06 pm - 9:30 pm

ONT

ORD

6h 24m

1 stop

2:00 pm - 10:45 pm

ORD

ONT

10h 45m

2 stops

$303Delta

Thu, Aug 6 - Tue, Aug 11

7:09 am - 5:00 am

BUR

ORD

19h 51m

1 stop

7:20 am - 1:13 pm

ORD

BUR

7h 53m

1 stop

$305Alaska Airlines

Mon, Jul 6 - Wed, Jul 15

4:14 pm - 11:59 pm

SNA

ORD

5h 45m

1 stop

5:00 am - 9:07 am

ORD

SNA

6h 07m

1 stop

$344United Airlines

Thu, Aug 27 - Sun, Aug 30

4:00 pm - 12:44 am

SNA

ORD

6h 44m

1 stop

5:00 am - 9:07 am

ORD

SNA

6h 07m

1 stop

$345United Airlines

Tue, Jun 30 - Tue, Jul 7

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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

Aug 12

LAS11:11 amLas Vegas Harry Reid Intl

10h 25m

1 stop

ORD11:36 pmChicago O'Hare Intl

Aug 17

ORD6:20 amChicago O'Hare Intl

9h 38m

1 stop

LAS1:58 pmLas Vegas Harry Reid Intl

$255

Alaska Airlines

Oct 2

LAS10:23 amLas Vegas Harry Reid Intl

6h 58m

1 stop

ORD7:21 pmChicago O'Hare Intl

Oct 6

ORD2:21 pmChicago O'Hare Intl

10h 13m

1 stop

LAS10:34 pmLas Vegas Harry Reid Intl

$263

Alaska Airlines

Jul 31

LAS7:59 amLas Vegas Harry Reid Intl

8h 58m

1 stop

ORD6:57 pmChicago O'Hare Intl

Aug 7

ORD7:59 pmChicago O'Hare Intl

16h 32m

1 stop

LAS10:31 amLas Vegas Harry Reid Intl

$271

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

Jul 25

LAX11:59 pmLos Angeles

4h 18m

ORD6:17 amChicago O'Hare Intl

Jul 28

ORD9:57 pmChicago O'Hare Intl

12h 58m

1 stop

LAX8:55 amLos Angeles

$223

Frontier

Jul 14

LAX6:30 amLos Angeles

12h 22m

1 stop

ORD8:52 pmChicago O'Hare Intl

Jul 28

ORD9:57 pmChicago O'Hare Intl

12h 58m

1 stop

LAX8:55 amLos Angeles

$224

Frontier

Jul 4

LAX11:59 pmLos Angeles

4h 20m

ORD6:19 amChicago O'Hare Intl

Jul 28

ORD9:57 pmChicago O'Hare Intl

12h 58m

1 stop

LAX8:55 amLos Angeles

$225

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

Quickest round-trip

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sat 7/4

11:59 pm-6:19 am

Nonstop4h 20m

Chicago O'Hare Intl

Wed 7/15

9:13 pm-11:57 pm

Nonstop4h 44m

$223

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 7/14

6:30 am-8:52 pm

1 stop12h 22m

Chicago O'Hare Intl

Tue 7/28

9:57 pm-8:55 am

1 stop12h 58m

$224

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Tue 7/14

2:38 pm-11:36 pm

1 stop6h 58m

Chicago O'Hare Intl

Tue 7/21

7:15 am-9:23 am

Nonstop4h 08m

$229

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 10/8

6:05 am-11:57 am

Nonstop3h 52m

Chicago O'Hare Intl

Tue 10/13

2:21 pm-7:28 pm

1 stop7h 07m

$231

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 8/12

1:06 pm-9:30 pm

1 stop6h 24m

Chicago O'Hare Intl

Mon 8/17

7:44 pm-11:34 pm

1 stop5h 50m

$298

BurbankChicago

BUR - ORD

BURORD

Burbank Bob Hope

Tue 7/14

6:10 pm-5:00 am

1 stop8h 50m

Chicago O'Hare Intl

Wed 7/15

7:20 am-1:13 pm

1 stop7h 53m

$301

OntarioChicago

ONT - ORD

ONTORD

Ontario

Thu 8/6

1:06 pm-9:30 pm

1 stop6h 24m

Chicago O'Hare Intl

Tue 8/11

2:00 pm-10:45 pm

2 stops10h 45m

$303

BurbankChicago

BUR - ORD

BURORD

Burbank Bob Hope

Mon 7/6

7:09 am-5:00 am

1 stop19h 51m

Chicago O'Hare Intl

Wed 7/15

7:20 am-1:13 pm

1 stop7h 53m

$305

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 8/27

4:14 pm-11:59 pm

1 stop5h 45m

Chicago O'Hare Intl

Sun 8/30

5:00 am-9:07 am

1 stop6h 07m

$344

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Tue 6/30

4:00 pm-12:44 am

1 stop6h 44m

Chicago O'Hare Intl

Tue 7/7

5:00 am-9:07 am

1 stop6h 07m

$345

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

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Other information

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

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from California averaging around $355.

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 $402. 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 $488.

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 $323 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $501. 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 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 $341 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 $288 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 27% 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	$185
Fastest flight time	3h 32m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from California in the past 72 hours is $185. The best round-trip flight deal from California to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $358.

The fastest flight from California to Chicago O'Hare Intl Airport takes 3h 32m

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 June 2026, there are 8 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 17.83% of the total bookings. Other popular models include Boeing 737-800 with 17.72%, Airbus A321-100/200 with 11.83%, 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 $96	Free Cancellation	Rating 5.6 2,878 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $108	Free Cancellation	Rating 7.8 2,827 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $122	Free Cancellation	Rating 7.8 8,419 reviews	Search Delta flights
Alaska Airlines	PriceFrom $155	Free Cancellation	Rating 7.9 12,549 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $157	Free Cancellation	Rating 7.1 11,711 reviews	Search American Airlines flights
United Airlines	PriceFrom $163	Free Cancellation	Rating 7.4 9,865 reviews	Search United Airlines flights
JetBlue	PriceFrom $166	Free Cancellation	Rating 7.1 2,987 reviews	Search JetBlue flights
Southwest	PriceFrom $179	Free Cancellation	Rating 7.9 4,242 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 $108

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 8/1. 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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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

Frontier flights from California to Chicago O'Hare Intl Airport

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

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

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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

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

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

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