What airlines fly to Chicago?

American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Chicago from California according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 9 different airlines that fly to Chicago 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?

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

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

As of September 2025, 1,904 flights take off from California and land in Chicago each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

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

As of September 2025, 272 flights take off from California and land in Chicago each day. The most common flight departure time for this route is 10:00AM, with 56% of daily flights taking off at noon.

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 Los Angeles to Chicago O'Hare Intl Airport is 3h 48m on average, while flying from San Diego to Chicago O'Hare Intl Airport is 3h 54m on average. Chicago O'Hare Intl Airport is the most popular airport in 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 9 as of September 2025.

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.

$77 Cheap Flights from California to Chicago in 2025/26

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Find the cheapest flights from California to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

1:34 pm - 12:17 amBUR-ORD

8h 43m1 stop

6:40 am - 3:45 pmORD-BUR

11h 05m1 stop

$142Spirit Airlines

Find Deal

Mon, Oct 6 - Tue, Oct 14

2:15 pm - 12:44 amLAX-ORD

8h 29m1 stop

7:25 am - 9:51 amORD-LAX

4h 26mnonstop

$144Frontier

Find Deal

Fri, Oct 17 - Sat, Oct 18

1:41 pm - 7:55 pmSAN-ORD

4h 14mnonstop

6:00 am - 11:17 amORD-SAN

7h 17m1 stop

$145Multiple Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 16

9:22 am - 8:48 pmLAX-ORD

9h 26m1 stop

7:05 am - 12:25 amORD-LAX

19h 20m1 stop

$146Multiple Airlines

Find Deal

Wed, Oct 8 - Sat, Oct 11

8:00 am - 1:54 pmSAN-ORD

3h 54mnonstop

2:54 pm - 5:19 pmORD-SAN

4h 25mnonstop

$147Alaska Airlines

Find Deal

Tue, Nov 4 - Tue, Nov 4

8:40 am - 4:45 pmSAN-ORD

6h 05m1 stop

6:15 am - 10:25 amORD-SAN

6h 10m1 stop

$152Southwest

Find Deal

Wed, Oct 22 - Sat, Oct 25

5:19 pm - 11:59 pmSAN-ORD

4h 40mnonstop

3:50 pm - 6:50 pmORD-SAN

5h 00mnonstop

$153Hawaiian Airlines

Find Deal

Tue, Oct 21 - Wed, Oct 22

5:19 pm - 11:59 pmSAN-ORD

4h 40mnonstop

3:50 pm - 6:50 pmORD-SAN

5h 00mnonstop

$159Alaska Airlines

Find Deal

Mon, Oct 20 - Wed, Oct 22

5:19 pm - 11:59 pmSAN-ORD

4h 40mnonstop

3:50 pm - 6:50 pmORD-SAN

5h 00mnonstop

$163Hawaiian Airlines

Find Deal

Tue, Oct 14 - Sat, Oct 18

7:05 am - 4:25 pmSAN-ORD

7h 20m1 stop

6:55 pm - 11:20 pmORD-SAN

6h 25m1 stop

$196Southwest

Find Deal

Wed, Oct 15 - Wed, Oct 15

Hawaiian Airlines flights from California to Chicago

Our best Hawaiian Airlines deals on California to Chicago flight tickets

Hawaiian Airlines

Oct 21

SAN5:19 pmSan Diego

4h 40m

ORD11:59 pmChicago O'Hare Intl

Oct 22

ORD3:50 pmChicago O'Hare Intl

5h 00m

SAN6:50 pmSan Diego

$153

Find similar

Hawaiian Airlines

Oct 14

SAN5:19 pmSan Diego

4h 40m

ORD11:59 pmChicago O'Hare Intl

Oct 18

ORD3:50 pmChicago O'Hare Intl

5h 00m

SAN6:50 pmSan Diego

$163

Find similar

Hawaiian Airlines

Oct 7

SAN8:10 amSan Diego

4h 40m

ORD2:50 pmChicago O'Hare Intl

Oct 14

ORD7:59 pmChicago O'Hare Intl

5h 00m

SAN10:59 pmSan Diego

$173

Find similar

Frontier flights from California to Chicago

Our best Frontier deals on California to Chicago flight tickets

Frontier

Oct 17

LAX2:15 pmLos Angeles

8h 29m

1 stop

ORD12:44 amChicago O'Hare Intl

Oct 18

ORD7:25 amChicago O'Hare Intl

4h 26m

LAX9:51 amLos Angeles

$144

Find similar

Frontier

Oct 4

LAX4:51 pmLos Angeles

4h 22m

ORD11:13 pmChicago O'Hare Intl

Oct 11

ORD7:05 amChicago O'Hare Intl

19h 20m

1 stop

LAX12:25 amLos Angeles

$145

Find similar

Frontier

Oct 6

LAX2:03 pmLos Angeles

7h 56m

1 stop

ORD11:59 pmChicago O'Hare Intl

Oct 9

ORD7:25 amChicago O'Hare Intl

4h 26m

LAX9:51 amLos Angeles

$147

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BurbankChicago

BUR - ORD

BURORD

Burbank Bob Hope

Mon 10/6

1:34 pm-12:17 am

1 stop8h 43m

Chicago O'Hare Intl

Tue 10/14

6:40 am-3:45 pm

1 stop11h 05m

$142

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Fri 10/17

2:15 pm-12:44 am

1 stop8h 29m

Chicago O'Hare Intl

Sat 10/18

7:25 am-9:51 am

Nonstop4h 26m

$144

San DiegoChicago

SAN - ORD

SANORD

San Diego

Wed 11/12

1:41 pm-7:55 pm

Nonstop4h 14m

Chicago O'Hare Intl

Sun 11/16

6:00 am-11:17 am

1 stop7h 17m

$145

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 10/8

9:22 am-8:48 pm

1 stop9h 26m

Chicago O'Hare Intl

Sat 10/11

7:05 am-12:25 am

1 stop19h 20m

$146

San DiegoChicago

SAN - ORD

SANORD

San Diego

Tue 11/4

8:00 am-1:54 pm

Nonstop3h 54m

Chicago O'Hare Intl

Tue 11/4

2:54 pm-5:19 pm

Nonstop4h 25m

$147

San DiegoChicago

SAN - ORD

SANORD

San Diego

Wed 10/22

8:40 am-4:45 pm

1 stop6h 05m

Chicago O'Hare Intl

Sat 10/25

6:15 am-10:25 am

1 stop6h 10m

$152

San DiegoChicago

SAN - ORD

SANORD

San Diego

Tue 10/21

5:19 pm-11:59 pm

Nonstop4h 40m

Chicago O'Hare Intl

Wed 10/22

3:50 pm-6:50 pm

Nonstop5h 00m

$153

San DiegoChicago

SAN - ORD

SANORD

San Diego

Mon 10/20

5:19 pm-11:59 pm

Nonstop4h 40m

Chicago O'Hare Intl

Wed 10/22

3:50 pm-6:50 pm

Nonstop5h 00m

$159

San DiegoChicago

SAN - ORD

SANORD

San Diego

Tue 10/14

5:19 pm-11:59 pm

Nonstop4h 40m

Chicago O'Hare Intl

Sat 10/18

3:50 pm-6:50 pm

Nonstop5h 00m

$163

San DiegoChicago

SAN - ORD

SANORD

San Diego

Wed 10/15

7:05 am-4:25 pm

1 stop7h 20m

Chicago O'Hare Intl

Wed 10/15

6:55 pm-11:20 pm

1 stop6h 25m

$196

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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 February is, on average, the cheapest month to fly to Chicago from California, with most prices found around $247. If you’re not able to fly to Chicago in February, then August is your next best option. Flight prices from California to Chicago during August average around $263.

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 $361. 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 $457.

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 $280. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $452.

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 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 $300 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 $254 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?

No. A direct flight is the cheapest option for a flight between California to Chicago.

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	$142
Fastest flight time	3h 50m
Direct flights	Every day
Airports in Chicago	2 airports

The best one-way flight to Chicago from California in the past 72 hours is $142. The best round-trip flight deal from California to Chicago found on momondo in the last 72 hours is $215.

The fastest flight from California to Chicago takes 3h 50m

Direct flights go from California to Chicago every day.

There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

Search flight deals

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 9 as of September 2025.
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 Boeing 737-800, representing 17.76% of all bookings. The subsequent popular models are Airbus A321neo at 14.96%, Airbus A321-100/200 at 9.35%, and Boeing 757-300 at 8.30%.

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 $91	Free Cancellation	Rating 5.8 3,173 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $97	Free Cancellation	Rating 6.3 8,023 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $108	Free Cancellation	Rating 7.8 2,729 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $128	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
Sun Country Air	PriceFrom $130	Free Cancellation	Rating 6.9 330 reviews	Search Sun Country Air flights
United Airlines	PriceFrom $133	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $139	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $157	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
American Airlines	PriceFrom $167	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

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Saint Joseph

Lansing

Portage

Schererville

Valparaiso

Crown Point

Munster

Chesterton

Monticello

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.

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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Cheap flights from California to Chicago from $77

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 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from California to Chicago

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Hawaiian Airlines flights from California to Chicago

Our best Hawaiian Airlines deals on California to Chicago flight tickets

Frontier flights from California to Chicago

Our best Frontier deals on California to Chicago flight tickets

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Use the filters below to find and compare flights from California to Chicago that are best for you.

See travel insights to Chicago from

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

What is the cheapest month to fly to Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from California, with most prices found around $247. If you’re not able to fly to Chicago in February, then August is your next best option. Flight prices from California to Chicago during August average around $263.

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?

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 $280. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $452.

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 to Chicago?

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?

No. A direct flight is the cheapest option for a flight between California to Chicago.

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

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

What airlines fly to Chicago?

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

As of September 2025, 272 flights take off from California and land in Chicago each day. The most common flight departure time for this route is 10:00AM, with 56% of daily flights taking off at noon.

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

As of September 2025, 1,904 flights take off from California and land in Chicago each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

How long does it take to fly to Chicago?

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

Fastest flight time

Direct flights

Airports in Chicago

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

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

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

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

What is the most popular plane model 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?

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

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

How can momondo help me find flights 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?

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.

Get notified when prices go down

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