How many flights depart from California to Chicago on average per week?

As of August 2026, 1,982 flights take off from California and land in Chicago each week. The most common flight departure day for this route is Fri, with 19% of weekly flights taking off on this day.

What airlines fly to Chicago?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Chicago from California according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 8 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Chicago?

Average flight duration from California to Chicago depends on which airport you fly into and out of. Flying from San Diego to Chicago O'Hare Intl Airport is 3h 55m on average, while flying from Los Angeles to Chicago O'Hare Intl Airport is 3h 56m on average. Chicago O'Hare Intl Airport is the most popular airport in Chicago.

How many flights depart from California to Chicago on average per day?

As of August 2026, 283 flights take off from California and land in Chicago each day. The most common flight departure time for this route is 10:00AM, with 48% of daily flights taking off at noon.

What is the cheapest airline that flies from California to Chicago?

Frontier, Delta, and Southwest are the most popular carriers operating from California to Chicago

When did momondo last update prices for flights from California to Chicago?

Prices for flights from California to Chicago are updated daily.

How many operators does momondo search for flights from California to Chicago?

The number of operators available for flights from California to Chicago is 8 as of August 2026.

How old do you have to be to fly from California to Chicago?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from California to Chicago.

What documentation or ID do you need to fly to Chicago?

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

$79 Cheap Flights from California to Chicago in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Chicago

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:57 am - 1:36 pm

LAS

ORD

10h 39m

1 stop

1:21 pm - 3:30 pm

ORD

LAS

4h 09mnonstop

$212Frontier

Fri, Aug 28 - Sat, Sep 12

11:50 pm - 5:38 am

LAS

ORD

3h 48mnonstop

10:26 am - 10:45 pm

ORD

LAS

14h 19m

1 stop

$212Frontier

Sun, Oct 4 - Mon, Oct 5

5:28 pm - 1:22 pm

LAS

ORD

17h 54m

1 stop

8:55 pm - 11:05 pm

ORD

LAS

4h 10mnonstop

$227Multiple Airlines

Wed, Sep 9 - Mon, Sep 14

11:50 pm - 5:38 am

LAS

ORD

3h 48mnonstop

7:20 am - 12:04 pm

ORD

LAS

6h 44m

1 stop

$229Multiple Airlines

Sun, Sep 13 - Sun, Sep 20

10:56 pm - 5:02 am

LAX

ORD

4h 06mnonstop

8:29 am - 11:19 am

ORD

LAX

4h 50mnonstop

$242American Airlines

Tue, Nov 17 - Wed, Nov 18

6:00 am - 12:22 pm

LAX

ORD

4h 22mnonstop

6:00 am - 8:27 am

ORD

LAX

4h 27mnonstop

$247American Airlines

Wed, Sep 9 - Sun, Sep 13

5:25 pm - 11:31 pm

LAX

ORD

4h 06mnonstop

7:07 am - 9:35 am

ORD

LAX

4h 28mnonstop

$247Delta

Fri, Sep 11 - Sun, Sep 13

5:25 pm - 11:31 pm

LAX

ORD

4h 06mnonstop

2:50 pm - 5:15 pm

ORD

LAX

4h 25mnonstop

$247Delta

Fri, Sep 25 - Tue, Sep 29

7:00 am - 1:15 pm

LAX

ORD

4h 15mnonstop

3:48 pm - 6:25 pm

ORD

LAX

4h 37mnonstop

$247United Airlines

Wed, Sep 16 - Sat, Sep 19

10:35 pm - 4:45 am

LAX

ORD

4h 10mnonstop

7:00 am - 9:32 am

ORD

LAX

4h 32mnonstop

$247United Airlines

Thu, Sep 17 - Sun, Sep 20

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Frontier flights from California to Chicago

Our best Frontier deals on California to Chicago flight tickets

Frontier

Oct 4

LAS11:50 pmLas Vegas Harry Reid Intl

3h 48m

ORD5:38 amChicago O'Hare Intl

Oct 6

ORD6:30 amChicago O'Hare Intl

9h 37m

1 stop

LAS2:07 pmLas Vegas Harry Reid Intl

$212

Frontier

Sep 2

LAS6:40 amLas Vegas Harry Reid Intl

11h 28m

1 stop

ORD8:08 pmChicago O'Hare Intl

Sep 5

ORD7:44 pmChicago O'Hare Intl

28h 00m

1 stop

LAS9:44 pmLas Vegas Harry Reid Intl

$213

Frontier

Sep 3

LAS12:31 pmLas Vegas Harry Reid Intl

4h 06m

ORD6:37 pmChicago O'Hare Intl

Sep 10

ORD8:55 pmChicago O'Hare Intl

4h 10m

LAS11:05 pmLas Vegas Harry Reid Intl

$214

Alaska Airlines flights from California to Chicago

Our best Alaska Airlines deals on California to Chicago flight tickets

Alaska Airlines

Sep 2

LAS7:00 amLas Vegas Harry Reid Intl

10h 21m

1 stop

ORD7:21 pmChicago O'Hare Intl

Sep 6

ORD2:18 pmChicago O'Hare Intl

10h 17m

1 stop

LAS10:35 pmLas Vegas Harry Reid Intl

$260

Alaska Airlines

Sep 9

SAN7:03 amSan Diego

4h 19m

ORD1:22 pmChicago O'Hare Intl

Sep 15

ORD8:00 amChicago O'Hare Intl

11h 13m

1 stop

SAN5:13 pmSan Diego

$267

Alaska Airlines

Sep 2

SAN1:03 pmSan Diego

4h 18m

ORD7:21 pmChicago O'Hare Intl

Sep 9

ORD8:00 amChicago O'Hare Intl

11h 13m

1 stop

SAN5:13 pmSan Diego

$272

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 8/28

12:57 am-1:36 pm

1 stop10h 39m

Chicago O'Hare Intl

Sat 9/12

1:21 pm-3:30 pm

Nonstop4h 09m

$212

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Sun 10/4

11:50 pm-5:38 am

Nonstop3h 48m

Chicago O'Hare Intl

Mon 10/5

10:26 am-10:45 pm

1 stop14h 19m

$212

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Wed 9/9

5:28 pm-1:22 pm

1 stop17h 54m

Chicago O'Hare Intl

Mon 9/14

8:55 pm-11:05 pm

Nonstop4h 10m

$227

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Sun 9/13

11:50 pm-5:38 am

Nonstop3h 48m

Chicago O'Hare Intl

Sun 9/20

7:20 am-12:04 pm

1 stop6h 44m

$229

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 11/17

10:56 pm-5:02 am

Nonstop4h 06m

Chicago O'Hare Intl

Wed 11/18

8:29 am-11:19 am

Nonstop4h 50m

$242

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 9/9

6:00 am-12:22 pm

Nonstop4h 22m

Chicago O'Hare Intl

Sun 9/13

6:00 am-8:27 am

Nonstop4h 27m

$247

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Fri 9/11

5:25 pm-11:31 pm

Nonstop4h 06m

Chicago O'Hare Intl

Sun 9/13

7:07 am-9:35 am

Nonstop4h 28m

$247

Quickest round-trip

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Fri 9/25

5:25 pm-11:31 pm

Nonstop4h 06m

Chicago O'Hare Intl

Tue 9/29

2:50 pm-5:15 pm

Nonstop4h 25m

$247

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 9/16

7:00 am-1:15 pm

Nonstop4h 15m

Chicago O'Hare Intl

Sat 9/19

3:48 pm-6:25 pm

Nonstop4h 37m

$247

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Thu 9/17

10:35 pm-4:45 am

Nonstop4h 10m

Chicago O'Hare Intl

Sun 9/20

7:00 am-9:32 am

Nonstop4h 32m

$247

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How to get the cheapest flight ticket from California to Chicago

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?

The month of September is, on average, the cheapest month to fly to Chicago from California, with most prices found around $323. If you’re not able to fly to Chicago in September, then October is your next best option. Flight prices from California to Chicago during October average around $349.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago 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. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from California to Chicago for around $494.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from California to Chicago during this time can be as low as $352. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $512.

What is the cheapest California to Chicago flight route?

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

How far in advance should I book a flight from California to Chicago?

You are more likely to see cheaper flights to Chicago from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $352 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from California for as low as $294 on momondo.

What cabin class options are available on California to Chicago flights?

There are 4 cabin classes available to choose from on California to Chicago 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 flights?

You could potentially save up to 32% on your flight if you consider stops on a California to Chicago flight.

Cheap California to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Chicago

Best Price Found	$169
Fastest flight time	3h 12m
Direct flights	Every day
Airports in Chicago	3 airports

The best one-way flight to Chicago from California in the past 72 hours is $169. The best round-trip flight deal from California to Chicago found on momondo in the last 72 hours is $307.

The fastest flight from California to Chicago takes 3h 12m

Direct flights go from California to Chicago every day.

There are 3 airports in Chicago. From California there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).

Search flight deals

Frequently asked questions about flying from California to Chicago

When did momondo last update prices for flights from California to Chicago?
Prices for flights from California to Chicago are updated daily.
How many operators does momondo search for flights from California to Chicago?
The number of operators available for flights from California to Chicago is 8 as of August 2026.
How old do you have to be to fly from California to Chicago?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from California to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago 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 Chicago. 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 California to Chicago?
momondo data reveals that the most frequently booked plane model on the route from California to Chicago is Airbus A321neo, representing 17.04% of all bookings. The subsequent popular models are Boeing 737-800 at 16.16%, Airbus A321-100/200 at 12.54%, and Boeing 757-300 at 10.38%.

Best airlines flying from California to Chicago

Compare and see reviews for airlines that fly from California to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $97	Free Cancellation	Rating 5.6 2,741 reviews	Search Frontier flights
Delta	PriceFrom $122	Free Cancellation	Rating 7.8 8,493 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $139	Free Cancellation	Rating 7.8 2,819 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $156	Free Cancellation	Rating 7.9 12,748 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $157	Free Cancellation	Rating 7.1 11,846 reviews	Search American Airlines flights
United Airlines	PriceFrom $163	Free Cancellation	Rating 7.4 10,061 reviews	Search United Airlines flights
JetBlue	PriceFrom $166	Free Cancellation	Rating 7.1 3,030 reviews	Search JetBlue flights
Southwest	PriceFrom $205	Free Cancellation	Rating 8.0 4,229 reviews	Search Southwest flights

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Hammond

Portage

Benton Harbor

Lansing

Saint Joseph

Valparaiso

Schererville

Munster

Chesterton

Monticello

Crown Point

Porter

Griffith

Saint John

Why use momondo?

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

Finding the right flight to Chicago from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

Price alerts on flights to Chicago from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from California to Chicago from $79

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 9/21. 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

Our best Frontier deals on California to Chicago flight tickets

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See travel insights to Chicago from

How to get the cheapest flight ticket from California to Chicago

What is the cheapest month to fly to Chicago?

What is the cheapest day to depart on your flight to Chicago?

What is the cheapest time of day to depart on your flight to Chicago?

What is the cheapest California to Chicago flight route?

How far in advance should I book a flight from California to Chicago?

What cabin class options are available on California to Chicago flights?

Can stopping save me money on California to Chicago flights?

What is the cheapest airline that flies from California to Chicago?

What airlines fly to Chicago?

How many flights depart from California to Chicago on average per day?

How many flights depart from California to Chicago on average per week?

How long does it take to fly to Chicago?

Cheap California to Chicago flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Chicago

Frequently asked questions about flying from California to Chicago

Best airlines flying from California to Chicago

Compare and see reviews for airlines that fly from California to Chicago with momondo

Traveling to a place near Chicago?

Why use momondo?

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago

Fly your favorite airline to Chicago

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Chicago

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

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