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Cheap flights from Illinois to California from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to California departing on 5/5. 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
0 bags

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Find the cheapest flights from Illinois to California

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:21 pm - 10:06 pm
ORD
-
LAX
4h 45mnonstop
Frontier Logo
12:31 am - 6:39 am
LAX
-
ORD
4h 08mnonstop
$149Frontier
Fri, May 1 - Sun, May 10
Multiple Airlines Logo
7:15 am - 9:41 am
ORD
-
LAX
4h 26mnonstop
Multiple Airlines Logo
12:26 am - 6:34 am
LAX
-
ORD
4h 08mnonstop
$150Multiple Airlines
Thu, May 21 - Mon, May 25
Multiple Airlines Logo
6:16 pm - 11:53 pm
ORD
-
LAX
7h 37m
1 stop
Multiple Airlines Logo
12:26 am - 6:34 am
LAX
-
ORD
4h 08mnonstop
$151Multiple Airlines
Sat, May 2 - Sun, May 31
Multiple Airlines Logo
3:00 pm - 5:23 pm
ORD
-
LAX
4h 23mnonstop
Multiple Airlines Logo
6:30 am - 11:01 pm
LAX
-
ORD
38h 31m
2 stops
$152Multiple Airlines
Sat, May 2 - Tue, May 5
Spirit Airlines Logo
3:00 pm - 5:23 pm
ORD
-
LAX
4h 23mnonstop
Spirit Airlines Logo
11:59 pm - 5:59 am
LAX
-
ORD
4h 00mnonstop
$154Spirit Airlines
Sat, May 2 - Sat, May 9
Spirit Airlines Logo
12:47 pm - 5:15 pm
ORD
-
LAS
30h 28m
1 stop
Spirit Airlines Logo
11:51 pm - 5:25 am
LAS
-
ORD
3h 34mnonstop
$163Spirit Airlines
Fri, May 1 - Sat, May 2
Southwest Logo
8:55 pm - 11:20 pm
MDW
-
LAX
4h 25mnonstop
Southwest Logo
5:15 am - 11:15 am
LAX
-
MDW
4h 00mnonstop
$199Southwest
Tue, May 5 - Tue, May 12
Southwest Logo
6:10 pm - 8:45 pm
MDW
-
SFO
4h 35mnonstop
Southwest Logo
11:25 pm - 5:40 am
SFO
-
MDW
4h 15mnonstop
$242Southwest
Sat, May 2 - Sat, May 9
American Airlines Logo
8:15 am - 10:41 am
ORD
-
SNA
4h 26mnonstop
American Airlines Logo
3:09 pm - 9:40 pm
SNA
-
ORD
4h 31mnonstop
$289American Airlines
Tue, Jun 2 - Tue, Jun 9
United Airlines Logo
5:00 am - 9:07 am
ORD
-
SNA
6h 07m
1 stop
United Airlines Logo
1:55 pm - 8:11 pm
SNA
-
ORD
4h 16mnonstop
$295United Airlines
Wed, May 27 - Wed, May 27

Southwest flights from Illinois to California

Our best Southwest deals on Illinois to California flight tickets
Southwest
May 5
MDW8:55 pmChicago Midway
4h 25m
LAX11:20 pmLos Angeles
May 12
LAX5:15 amLos Angeles
4h 00m
MDW11:15 amChicago Midway
$199
Southwest
May 5
MDW11:45 amChicago Midway
6h 30m
1 stop
LAX4:15 pmLos Angeles
May 12
LAX5:15 amLos Angeles
4h 00m
MDW11:15 amChicago Midway
$209
Southwest
May 5
MDW6:10 amChicago Midway
8h 00m
2 stops
LAX12:10 pmLos Angeles
May 12
LAX5:15 amLos Angeles
4h 00m
MDW11:15 amChicago Midway
$214

Frontier flights from Illinois to California

Our best Frontier deals on Illinois to California flight tickets
Frontier
May 1
ORD7:21 pmChicago O'Hare Intl
4h 45m
LAX10:06 pmLos Angeles
May 8
LAX12:31 amLos Angeles
4h 08m
ORD6:39 amChicago O'Hare Intl
$149
Frontier
May 21
ORD9:37 pmChicago O'Hare Intl
19h 59m
1 stop
LAX3:36 pmLos Angeles
May 26
LAX12:26 amLos Angeles
4h 08m
ORD6:34 amChicago O'Hare Intl
$150
Frontier
May 12
ORD12:40 pmChicago O'Hare Intl
8h 31m
1 stop
ONT7:11 pmOntario
May 16
ONT10:50 amOntario
7h 42m
1 stop
ORD8:32 pmChicago O'Hare Intl
$154

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to California 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 April 13, 2026.
Use the filters below to find and compare flights from Illinois to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Fri 5/1

7:21 pm-10:06 pm

Nonstop4h 45m

Los Angeles

Sun 5/10

12:31 am-6:39 am

Nonstop4h 08m

$149

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Thu 5/21

7:15 am-9:41 am

Nonstop4h 26m

Los Angeles

Mon 5/25

12:26 am-6:34 am

Nonstop4h 08m

$150

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Sat 5/2

6:16 pm-11:53 pm

1 stop7h 37m

Los Angeles

Sun 5/31

12:26 am-6:34 am

Nonstop4h 08m

$151

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Sat 5/2

3:00 pm-5:23 pm

Nonstop4h 23m

Los Angeles

Tue 5/5

6:30 am-11:01 pm

2 stops38h 31m

$152
Quickest round-trip

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Sat 5/2

3:00 pm-5:23 pm

Nonstop4h 23m

Los Angeles

Sat 5/9

11:59 pm-5:59 am

Nonstop4h 00m

$154

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 5/1

12:47 pm-5:15 pm

1 stop30h 28m

Las Vegas Harry Reid Intl

Sat 5/2

11:51 pm-5:25 am

Nonstop3h 34m

$163

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Tue 5/5

8:55 pm-11:20 pm

Nonstop4h 25m

Los Angeles

Tue 5/12

5:15 am-11:15 am

Nonstop4h 00m

$199

ChicagoSan Francisco

MDW - SFO

MDWSFO

Chicago Midway

Sat 5/2

6:10 pm-8:45 pm

Nonstop4h 35m

San Francisco

Sat 5/9

11:25 pm-5:40 am

Nonstop4h 15m

$242

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Tue 6/2

8:15 am-10:41 am

Nonstop4h 26m

Santa Ana J. Wayne/Orange Cnty

Tue 6/9

3:09 pm-9:40 pm

Nonstop4h 31m

$289

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Wed 5/27

5:00 am-9:07 am

1 stop6h 07m

Santa Ana J. Wayne/Orange Cnty

Wed 5/27

1:55 pm-8:11 pm

Nonstop4h 16m

$295

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 California from

How to get the cheapest flight ticket from Illinois to California

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 California?

The month of August is another great option to travel to California, with average flight prices from Illinois averaging around $234.

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

The cheapest day to depart from Illinois to California is on a Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $329. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to California on Monday is $439.

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

The cheapest time of day to fly to California is in the evening when flights can be purchased for as low as $322. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $622 on average. Flights to California from Illinois in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to California flight route?

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

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

You are more likely to see cheaper flights to California from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $290 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Illinois for as low as $239 on momondo.

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

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

You could potentially save up to 17% on your flight if you consider stops on a Illinois to California flight.

Cheap Illinois to California flight deals and tips

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

Best Price Found

$147

Fastest flight time

3h 24m

Direct flights

Every day

Airports in California

418 airports
The best one-way flight to California from Illinois in the past 72 hours is $147. The best round-trip flight deal from Illinois to California found on momondo in the last 72 hours is $294.
The fastest flight from Illinois to California takes 3h 24m
Direct flights go from Illinois to California every day.
There are 418 airports in California. From Illinois there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from Illinois to California

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

    Prices for flights from Illinois to California were last updated today.

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

  • How old do you have to be to fly from Illinois to California?

    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 Illinois to California.

  • What documentation or ID do you need to fly to California?

    The travel and health documents you'll need for your trip to California 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 California. 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 Illinois to California?

Best airlines flying from Illinois to California

Compare and see reviews for airlines that fly from Illinois to California with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $69Free CancellationRating
6.3
8,612 reviews
Search Spirit Airlines flights
FrontierPriceFrom $83Free CancellationRating
5.7
2,993 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $128Free CancellationRating
7.9
8,406 reviews
Search Delta flights
SouthwestPriceFrom $138Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $139Free CancellationRating
7.9
12,226 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $157Free CancellationRating
7.1
11,569 reviews
Search American Airlines flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,579 reviews
Search United Airlines flights
JetBluePriceFrom $159Free CancellationRating
7.2
2,929 reviews
Search JetBlue flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to California. momondo saves you time and could save you money on your trip.

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

Yes. All flights to California from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to California?

Once all potential Illinois to California flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to California right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to California now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to California and let you know when they change.

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1 adult
Wed 5/13
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Find better results for your trip to California

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Popular flights according to clicks in the last 7 days on momondo
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