How does KAYAK find such low prices on flights from California to Chicago O'Hare Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Chicago O'Hare Airport. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Chicago O'Hare Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from California is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from California to Chicago O'Hare Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to California with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Chicago O'Hare Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$60 CHEAP FLIGHTS from California to Chicago O'Hare (ORD)

ORD

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Cheap Flights from California to O'Hare Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from California to O'Hare Intl

Wed, Jun 24 - Wed, Jul 1

11:45 pm - 5:32 am

LAS

ORD

3h 47mnonstop

7:12 am - 9:28 am

ORD

LAS

4h 16mnonstop

$154Frontier

Fri, May 8 - Mon, May 11

7:45 am - 6:39 am

LAS

ORD

20h 54m

1 stop

8:56 pm - 1:30 pm

ORD

LAS

18h 34m

1 stop

$159Frontier

Wed, Aug 26 - Mon, Aug 31

7:30 am - 12:59 pm

LAS

ORD

3h 29mnonstop

9:59 pm - 11:50 pm

ORD

LAS

3h 51mnonstop

$169Spirit Airlines

Fri, May 29 - Fri, Jun 5

11:59 pm - 5:59 am

LAX

ORD

4h 00mnonstop

9:04 pm - 11:44 pm

ORD

LAX

4h 40mnonstop

$170Multiple Airlines

Thu, May 7 - Sat, May 9

11:59 pm - 5:59 am

LAX

ORD

4h 00mnonstop

8:56 pm - 11:36 pm

ORD

LAX

4h 40mnonstop

$173Multiple Airlines

Sat, May 23 - Sat, May 30

11:59 pm - 5:59 am

LAX

ORD

4h 00mnonstop

4:50 pm - 10:19 pm

ORD

LAX

7h 29m

1 stop

$177Spirit Airlines

Tue, May 19 - Tue, May 26

1:16 pm - 9:45 pm

BUR

ORD

6h 29m

1 stop

5:00 am - 8:46 am

ORD

BUR

5h 46m

1 stop

$197American Airlines

Thu, May 28 - Tue, Jun 2

4:41 pm - 10:59 pm

SAN

ORD

4h 18mnonstop

8:05 pm - 10:34 pm

ORD

SAN

4h 29mnonstop

$227United Airlines

Tue, Jun 2 - Wed, Jun 10

4:07 pm - 12:44 am

SAN

ORD

6h 37m

1 stop

7:00 am - 9:28 am

ORD

SAN

4h 28mnonstop

$229United Airlines

Thu, Jun 4 - Mon, Jun 8

11:10 pm - 5:33 am

SMF

ORD

4h 23mnonstop

11:45 am - 2:12 pm

ORD

SMF

4h 27mnonstop

$319American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$60

Best time to beat the crowds with an average 2% drop in price.

Most popular time to fly with an average 1% increase in price.

Flight from Ontario to Chicago O'Hare Airport

CupcakeFlew with Alaska Airlines

SAN

ORD

Apr 2026

Please bring a water bottle for hydration during the flight.

StephenFlew with United Airlines

SMF

ORD

Jan 2026

If you're trying to make a connecting flight make sure you allow PLENTY of time between flights or be prepared to miss the next flight. Make sure to use the restroom at the last possible moment before landing because you could be sitting on the taxiway for 5 more minutes... 5 more minutes... 5 more minutes... until it's been nearly 2 hours. Don't trust the airline provided ETA provided by apps they don't update it until long after you're delayed. If someone is showing up to give you a ride, make sure they have hours to wait for you.

RodFlew with United Airlines

SAN

ORD

Sep 2024

Yes! Don’t reserve a flight with less than 1 1/2 hour connection time or you have a good possibility of missing your connection.

FrancisFlew with United Airlines

LAX

ORD

Sep 2024

Check the weather, or bring a. Raincoat! Being from sunny California, I forget it isn’t always sunshine in other states!

GeraldFlew with Alaska Airlines

SFO

ORD

Oct 2024

Book a flight as early in the day as possible to avoid incoming flight delays.

KimFlew with American Airlines

SNA

ORD

Nov 2024

Bring extra foods and buy extra drinks bring your meds

ShirleyFlew with United Airlines

LAX

ORD

May 2024

Check-in using the United AirLines app to access your boarding pass. Arrive at least two hours early at LAX airport.

How does KAYAK find such low prices on flights from California to Chicago O'Hare Airport?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Chicago O'Hare Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Chicago O'Hare Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from California is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from California to Chicago O'Hare Airport?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Chicago O'Hare Airport?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Gurnee

South Haven

Merrillville

Oak Brook

Saint Joseph

Tinley Park

Elk Grove Village

Hammond

Des Plaines

Hoffman Estates

Willowbrook

Portage

South Holland

Delavan

Northbrook

Lansing

Lisle

Pleasant Prairie

Elmhurst

Valparaiso

Everything you need to know for your flight to O'Hare Intl

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Chicago O'Hare Airport (ORD)

ORD

$60 Find Cheap Flights from California to Chicago O'Hare Airport

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago O'Hare Intl Airport

Cheap Flights from California to O'Hare Intl

Recent round-trip flight deals from California to O'Hare Intl

Recent one-way flight deals from California to O'Hare Intl

Recent last minute flight deals from California to O'Hare Intl

Recent direct flight deals from California to O'Hare Intl

Good to know

Flights from California to O'Hare Intl: the best tips from KAYAK users

FAQs for booking California to Chicago O'Hare Airport flights

How does KAYAK find such low prices on flights from California to Chicago O'Hare Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Chicago O'Hare Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Chicago O'Hare Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from California is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from California to Chicago O'Hare Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Chicago O'Hare Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near O'Hare Intl?

Everything you need to know for your flight to O'Hare Intl

Information on your arrival and departure airports

Cabin class types available on flights to O'Hare Intl

Complete your trip to O'Hare Intl with a hotel stay or car rental

Find direct flights for O'Hare Intl

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Choose which airport to fly into in Chicago

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