Cheap flights from Illinois to California

ORD — LAX
May 29 — Jun 51

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 14 days in advance, which can save you up to 3% on flights from Illinois to California compared to booking the week you need them. Waiting 14 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $165. For sooner than that we have options available in the next 3 days from $173.

What is the cheapest month to fly from Illinois to California?

Our data shows that August tends to be the cheapest month to fly to California from Illinois. Users have commonly found prices around $179 for the month, but tickets can be as low as $49. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Illinois to California (IL - CA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to California as you normally would.

Cheap flights from Illinois to California in May, June 2022

The best prices found for Illinois to California flights for May, June
May 24 - Jun 14
MDW

Chicago Midway

SAN

San Diego

1 stop

7h 10m
SAN

San Diego

MDW

Chicago Midway

1 stop

11h 33m
$263

Frontier

View Deal

Deal found 5/21/22

May 24 - Jun 3
MDW

Chicago Midway

SAN

San Diego

1 stop

7h 10m
SAN

San Diego

MDW

Chicago Midway

1 stop

15h 50m
$282

Multiple Airlines

View Deal

Deal found 5/23/22

May 25 - Jun 3
MDW

Chicago Midway

SAN

San Diego

1 stop

8h 58m
SAN

San Diego

MDW

Chicago Midway

1 stop

15h 50m
$288

Multiple Airlines

View Deal

Deal found 5/23/22

Illinois to California 2022 flight deals

Cheap flights to California from Illinois found for this year
Sep 13 - Sep 17
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 38m
OAK

Oakland

ORD

Chicago O'Hare Intl

Nonstop

4h 04m
$152

Spirit Airlines

View Deal

Deal found 5/23/22

Aug 23 - Aug 31
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 37m
OAK

Oakland

ORD

Chicago O'Hare Intl

Nonstop

4h 10m
$163

Spirit Airlines

View Deal

Deal found 5/22/22

Aug 23 - Aug 27
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 37m
OAK

Oakland

ORD

Chicago O'Hare Intl

Nonstop

4h 10m
$165

Spirit Airlines

View Deal

Deal found 5/22/22

Cheap Spirit Airlines flights from Illinois to California

Sep 13 - Sep 17
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 38m
OAK

Oakland

ORD

Chicago O'Hare Intl

Nonstop

4h 04m
$152

Spirit Airlines

View Deal

Deal found 5/23/22

Aug 23 - Aug 31
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 37m
OAK

Oakland

ORD

Chicago O'Hare Intl

Nonstop

4h 10m
$163

Spirit Airlines

View Deal

Deal found 5/22/22

Aug 23 - Aug 27
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 37m
OAK

Oakland

ORD

Chicago O'Hare Intl

Nonstop

4h 10m
$165

Spirit Airlines

View Deal

Deal found 5/22/22

Cheap Delta flights from Illinois to California

Sep 13 - Sep 17
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

8h 00m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

6h 19m
$256

Delta

View Deal

Deal found 5/23/22

Oct 22 - Oct 31
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

6h 53m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

8h 39m
$276

Delta

View Deal

Deal found 5/23/22

Nov 17 - Nov 30
MDW

Chicago Midway

SFO

San Francisco

1 stop

8h 13m
SFO

San Francisco

MDW

Chicago Midway

1 stop

8h 15m
$306

Delta

View Deal

Deal found 5/23/22

Non-stop flights to California from Illinois

Save time with Illinois to California direct flight deals
Sep 13 - Sep 17
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 38m
OAK

Oakland

ORD

Chicago O'Hare Intl

Nonstop

4h 04m
$152

Spirit Airlines

View Deal

Deal found 5/23/22

Aug 24 - Aug 30
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 37m
OAK

Oakland

ORD

Chicago O'Hare Intl

Nonstop

4h 10m
$155

Spirit Airlines

View Deal

Deal found 5/24/22

Aug 23 - Aug 31
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 37m
OAK

Oakland

ORD

Chicago O'Hare Intl

Nonstop

4h 10m
$163

Spirit Airlines

View Deal

Deal found 5/22/22

Last minute flights from Illinois to California

Late deals on return flights to California from Illinois, departing today and this week
Jun 1 - Jun 1
ORD

Chicago O'Hare Intl

LAX

Los Angeles

Nonstop

4h 19m
LAX

Los Angeles

ORD

Chicago O'Hare Intl

1 stop

10h 48m
$315

Spirit Airlines

View Deal

Deal found 5/22/22

May 31 - Jun 3
MDW

Chicago Midway

SAN

San Diego

1 stop

20h 13m
SAN

San Diego

MDW

Chicago Midway

1 stop

21h 24m
$316

Multiple Airlines

View Deal

Deal found 5/23/22

Jun 3 - Aug 27
ORD

Chicago O'Hare Intl

LAX

Los Angeles

Nonstop

4h 21m
LAX

Los Angeles

ORD

Chicago O'Hare Intl

Nonstop

4h 06m
$328

Spirit Airlines

View Deal

Deal found 5/22/22

One-way flights to California from Illinois

The cheapest one-way flights from Illinois to California
Aug 30
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 37m
$81

Spirit Airlines

View Deal

Deal found 5/22/22

Aug 23
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 37m
$82

Spirit Airlines

View Deal

Deal found 5/22/22

Sep 17
ORD

Chicago O'Hare Intl

OAK

Oakland

Nonstop

4h 38m
$83

Spirit Airlines

View Deal

Deal found 5/22/22

Related info for your journey

Useful info, stats and facts about Illinois to California flights.

Which airlines flying from Illinois to California have flexible cancellations due to COVID-19?

United Airlines, Spirit Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Illinois to California for under $200 on Cheapflights?

Yes, there are multiple flights from Illinois to California for under $200. The cheapest flight booked recently is on Spirit Airlines for just $152, but on average you can expect to pay $181.

Are there nonstop flights from Illinois to California for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Illinois to California under $200. A good price for a nonstop flight from Illinois to California is less than $180.

Are there last-minute flights available from Illinois to California for under $400?

There are currently 20+ open flights from Illinois to California within the next 7 days for less than $400.

What days are nonstop flights available from Illinois to California?

Nonstop flights are available for this route on the following days: Sunday, Tuesday, Wednesday, Thursday, Friday, Saturday.

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

33 flight departures from Illinois to California per day on average.
Morning (6am - Noon) - 33% of flight departures
Afternoon (Noon - 6pm) - 33% of flight departures
Evening (6pm - Midnight) - 33% of flight departures

How long is the flight from Illinois to California?

Departing from Illinois to California will take you 4h 38m. Illinois and California are separated by a distance of 1750 mi. Most flights are nonstop.

What are the cheapest airlines to fly from Illinois to California one-way?

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $81. Users have also found prices from $123 and $128 on Sun Country Air and Delta, respectively.

Top 5 airlines flying from Illinois to California

The chart below displays the airlines Cheapflights users traveling from Illinois to California choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$10Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Spirit AirlinesCheapest$54Average$218FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
FrontierCheapest$66Average$280FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$97Average$427FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
Alaska AirlinesCheapest$98Average$375FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights

Hourly flight availability from Illinois to California

See what time of day planes typically take off from Illinois to California
2%of flight departuresEarly morningMidnight to 6 am
30%of flight departuresMorning6 am to noon
46%of flight departuresAfternoonNoon to 6 pm
22%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM