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Cheap flights from California to Chicago from $87

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 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from California to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:39 pm - 11:57 amOAK  Oakland-ORD Chicago O'Hare Intl
13h 18m1 stop Las Vegas Harry Reid Intl
Frontier Logo
6:50 am - 11:18 amORD  Chicago O'Hare Intl-OAK Oakland
6h 28m1 stop Las Vegas Harry Reid Intl
$178Frontier
Thu, Oct 15 - Tue, Oct 20
Frontier Logo
6:51 pm - 5:38 amOAK  Oakland-ORD Chicago O'Hare Intl
8h 47m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:55 pm - 9:22 amORD  Chicago O'Hare Intl-OAK Oakland
14h 27m1 stop Las Vegas Harry Reid Intl
$178Frontier
Mon, Sep 21 - Thu, Sep 24
Multiple Airlines Logo
6:00 am - 11:46 amLAS  Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 46mnonstop
Multiple Airlines Logo
2:54 pm - 8:24 pmORD  Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
7h 30m1 stop San Diego
$230Multiple Airlines
Thu, Dec 10 - Sat, Dec 12
Multiple Airlines Logo
3:54 pm - 11:59 pmLAS  Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
6h 05m1 stop San Diego
Multiple Airlines Logo
6:50 am - 8:58 amORD  Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 08mnonstop
$230Multiple Airlines
Fri, Oct 16 - Sun, Oct 18
Delta Logo
11:15 am - 5:23 pmLAX  Los Angeles-ORD Chicago O'Hare Intl
4h 08mnonstop
Delta Logo
7:07 am - 9:35 amORD  Chicago O'Hare Intl-LAX Los Angeles
4h 28mnonstop
$237Delta
Wed, Sep 23 - Mon, Sep 28
Delta Logo
5:25 pm - 11:31 pmLAX  Los Angeles-ORD Chicago O'Hare Intl
4h 06mnonstop
Delta Logo
7:07 am - 9:35 amORD  Chicago O'Hare Intl-LAX Los Angeles
4h 28mnonstop
$237Delta
Mon, Sep 21 - Wed, Sep 23
American Airlines Logo
7:32 am - 1:52 pmLAX  Los Angeles-ORD Chicago O'Hare Intl
4h 20mnonstop
American Airlines Logo
5:53 pm - 8:31 pmORD  Chicago O'Hare Intl-LAX Los Angeles
4h 38mnonstop
$237American Airlines
Tue, Oct 13 - Sat, Oct 17
American Airlines Logo
6:22 pm - 12:30 amLAX  Los Angeles-ORD Chicago O'Hare Intl
4h 08mnonstop
American Airlines Logo
1:50 pm - 4:26 pmORD  Chicago O'Hare Intl-LAX Los Angeles
4h 36mnonstop
$237American Airlines
Wed, Oct 21 - Thu, Oct 22
United Airlines Logo
12:40 pm - 6:56 pmLAX  Los Angeles-ORD Chicago O'Hare Intl
4h 16mnonstop
United Airlines Logo
7:00 am - 9:35 amORD  Chicago O'Hare Intl-LAX Los Angeles
4h 35mnonstop
$237United Airlines
Sat, Nov 14 - Sun, Nov 15
United Airlines Logo
5:30 am - 11:46 amLAX  Los Angeles-ORD Chicago O'Hare Intl
4h 16mnonstop
United Airlines Logo
6:00 am - 8:27 amORD  Chicago O'Hare Intl-LAX Los Angeles
4h 27mnonstop
$237United Airlines
Mon, Oct 5 - Thu, Oct 8

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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
Sep 5
SAN1:03 pmSan Diego
4h 18m
ORD7:21 pmChicago O'Hare Intl
Sep 22
ORD2:18 pmChicago O'Hare Intl
4h 37m
SAN4:55 pmSan Diego
$267
Alaska Airlines
Sep 17
SAN5:45 pmSan Diego
4h 14m
ORD11:59 pmChicago O'Hare Intl
Sep 24
ORD7:20 amChicago O'Hare Intl
4h 40m
SAN10:00 amSan Diego
$269
Alaska Airlines
Sep 1
SAN2:50 pmSan Diego
13h 30m
1 stop
ORD6:20 amChicago O'Hare Intl
Sep 5
ORD6:01 amChicago O'Hare Intl
4h 31m
SAN8:32 amSan Diego
$272

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 9
BUR6:00 pmBurbank Bob Hope
9h 42m
1 stop
ORD5:42 amChicago O'Hare Intl
Oct 11
ORD6:50 amChicago O'Hare Intl
27h 34m
1 stop
BUR8:24 amBurbank Bob Hope
$178
Frontier
Sep 22
OAK12:47 pmOakland
14h 51m
1 stop
ORD5:38 amChicago O'Hare Intl
Sep 29
ORD1:21 pmChicago O'Hare Intl
24h 30m
1 stop
OAK11:51 amOakland
$188
Frontier
Sep 17
LAS11:50 pmLas Vegas Harry Reid Intl
3h 48m
ORD5:38 amChicago O'Hare Intl
Sep 20
ORD8:55 pmChicago O'Hare Intl
4h 10m
LAS11:05 pmLas Vegas Harry Reid Intl
$195

momondo Fare Finder

 
Customize your flight search to find flights from California to Chicago O'Hare Intl Airport 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 August 8, 2026.
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

OaklandChicago

OAK Oakland - ORD Chicago O'Hare Intl

OAKORD

Oakland

Thu 10/15

8:39 pm-11:57 am

1 stop13h 18m

Chicago O'Hare Intl

Tue 10/20

6:50 am-11:18 am

1 stop6h 28m

$178

OaklandChicago

OAK Oakland - ORD Chicago O'Hare Intl

OAKORD

Oakland

Mon 9/21

6:51 pm-5:38 am

1 stop8h 47m

Chicago O'Hare Intl

Thu 9/24

8:55 pm-9:22 am

1 stop14h 27m

$178

Las VegasChicago

LAS Las Vegas Harry Reid Intl - ORD Chicago O'Hare Intl

LASORD

Las Vegas Harry Reid Intl

Thu 12/10

6:00 am-11:46 am

Nonstop3h 46m

Chicago O'Hare Intl

Sat 12/12

2:54 pm-8:24 pm

1 stop7h 30m

$230

Las VegasChicago

LAS Las Vegas Harry Reid Intl - ORD Chicago O'Hare Intl

LASORD

Las Vegas Harry Reid Intl

Fri 10/16

3:54 pm-11:59 pm

1 stop6h 05m

Chicago O'Hare Intl

Sun 10/18

6:50 am-8:58 am

Nonstop4h 08m

$230

Los AngelesChicago

LAX Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles

Wed 9/23

11:15 am-5:23 pm

Nonstop4h 08m

Chicago O'Hare Intl

Mon 9/28

7:07 am-9:35 am

Nonstop4h 28m

$237
Quickest round-trip

Los AngelesChicago

LAX Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles

Mon 9/21

5:25 pm-11:31 pm

Nonstop4h 06m

Chicago O'Hare Intl

Wed 9/23

7:07 am-9:35 am

Nonstop4h 28m

$237

Los AngelesChicago

LAX Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles

Tue 10/13

7:32 am-1:52 pm

Nonstop4h 20m

Chicago O'Hare Intl

Sat 10/17

5:53 pm-8:31 pm

Nonstop4h 38m

$237

Los AngelesChicago

LAX Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles

Wed 10/21

6:22 pm-12:30 am

Nonstop4h 08m

Chicago O'Hare Intl

Thu 10/22

1:50 pm-4:26 pm

Nonstop4h 36m

$237

Los AngelesChicago

LAX Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles

Sat 11/14

12:40 pm-6:56 pm

Nonstop4h 16m

Chicago O'Hare Intl

Sun 11/15

7:00 am-9:35 am

Nonstop4h 35m

$237

Los AngelesChicago

LAX Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles

Mon 10/5

5:30 am-11:46 am

Nonstop4h 16m

Chicago O'Hare Intl

Thu 10/8

6:00 am-8:27 am

Nonstop4h 27m

$237

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 Chicago from

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

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

The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from California averaging around $354.

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 $400. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 $498.

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 $350 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $515. 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 $353 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 $299 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 32% 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

$169

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 $169. The best round-trip flight deal from California to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $329.
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?

  • 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?

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
FrontierPriceFrom $97Free CancellationRating
5.6
2,722 reviews
Search Frontier flights
DeltaPriceFrom $122Free CancellationRating
7.8
8,499 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $137Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $156Free CancellationRating
7.9
12,774 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $159Free CancellationRating
7.1
11,875 reviews
Search American Airlines flights
JetBluePriceFrom $166Free CancellationRating
7.1
3,025 reviews
Search JetBlue flights
United AirlinesPriceFrom $173Free CancellationRating
7.4
10,081 reviews
Search United Airlines flights
SouthwestPriceFrom $236Free CancellationRating
8.0
4,216 reviews
Search Southwest flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
Merrillville
Rockford
South Haven
Gurnee
Rosemont
Oak Brook
Orland Park
Naperville
Joliet
New Buffalo
Kenosha
Hammond
Racine
Aurora
Janesville
Elgin
South Holland
Evanston

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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