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

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

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

As of November 2024, there are 10 operators available to choose from for flights from California to Illinois.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Illinois.

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

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$53 Cheap Flights from California to Illinois in 2024/25

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Cheap round-trip flights

These are some of the best round-trip flight deals from California to Illinois that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from California to Illinois.

Cheap last minute flights

Planning a quick getaway from California to Illinois? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Illinois, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from California to Illinois

Find recent round-trip train or bus tickets from California to Illinois.

All round-trip flight deals to Illinois

The cheapest plane tickets to Illinois found on KAYAK recently.

5:30 am - 5:30 amLAX-ORD

22h 00m1 stop

7:35 am - 10:15 amORD-LAX

4h 40mnonstop

$95Spirit Airlines

Find Deal

Sat, Dec 7 - Sun, Dec 8

4:02 pm - 5:30 amLAX-ORD

11h 28m1 stop

6:33 pm - 9:15 pmORD-LAX

4h 42mnonstop

$97Spirit Airlines

Find Deal

Wed, Dec 4 - Tue, Dec 10

11:07 am - 7:45 pmLAX-ORD

6h 38m1 stop

6:35 am - 9:13 amORD-LAX

4h 38mnonstop

$98

Find Deal

Thu, Dec 5 - Tue, Dec 10

9:30 pm - 5:28 pmLAX-ORD

17h 58m1 stop

6:33 pm - 9:15 pmORD-LAX

4h 42mnonstop

$100

Find Deal

Wed, Dec 4 - Tue, Dec 10

9:30 pm - 11:44 amLAX-MDW

12h 14m1 stop

9:09 pm - 8:41 amMDW-LAX

13h 32m1 stop

$108Frontier

Find Deal

Thu, Jan 23 - Mon, Feb 3

11:07 am - 11:44 pmLAX-ORD

10h 37m1 stop

7:50 am - 5:34 pmORD-LAX

11h 44m1 stop

$108Frontier

Find Deal

Thu, Jan 23 - Mon, Feb 3

4:25 pm - 12:40 amONT-ORD

6h 15m1 stop

6:00 am - 12:00 pmORD-ONT

8h 00m1 stop

$178American Airlines

Find Deal

Sat, Dec 7 - Tue, Dec 10

6:10 am - 2:14 pmONT-ORD

6h 04m1 stop

11:47 am - 6:24 pmORD-ONT

8h 37m2 stops

$183American Airlines

Find Deal

Wed, Jan 22 - Tue, Jan 28

2:45 pm - 9:05 pmSFO-ORD

4h 20mnonstop

10:35 am - 3:14 pmORD-SFO

6h 39m1 stop

$207United Airlines

Find Deal

Sat, Dec 14 - Tue, Dec 17

11:59 pm - 6:11 amSFO-ORD

4h 12mnonstop

8:20 pm - 11:08 pmORD-SFO

4h 48mnonstop

$224United Airlines

Find Deal

Mon, Nov 25 - Sat, Dec 14

8:41 pm - 4:47 amSAN-ORD

6h 06m1 stop

$53Frontier

Find Deal

Sat, Feb 15

1:47 pm - 11:44 pmSAN-ORD

7h 57m1 stop

$54Frontier

Find Deal

Thu, Jan 23

7:59 am - 5:27 pmONT-ORD

7h 28m1 stop

$54Frontier

Find Deal

Thu, Jan 9

1:05 pm - 5:30 amSAN-ORD

14h 25m1 stop

$65Spirit Airlines

Find Deal

Wed, Dec 11

5:25 am - 5:30 amOAK-ORD

22h 05m1 stop

$65Spirit Airlines

Find Deal

Thu, Dec 12

11:55 pm - 5:53 amLAX-ORD

3h 58mnonstop

$85United Airlines

Find Deal

Sat, Feb 15

4:25 pm - 12:40 amONT-ORD

6h 15m1 stop

$89American Airlines

Find Deal

Tue, Dec 10

12:48 pm - 11:50 pmONT-ORD

9h 02m2 stops

$94American Airlines

Find Deal

Sat, Jan 25

1:46 pm - 8:03 pmSFO-ORD

4h 17mnonstop

$99United Airlines

Find Deal

Wed, Feb 26

9:35 pm - 9:08 amLAX-ORD

9h 33m1 stop

$227JetBlue

Find Deal

Tue, Apr 1

6:25 am - 8:32 amSAN-ORD

24h 07m1 stop

4:48 pm - 11:56 pmORD-SAN

9h 08m1 stop

$153Frontier

Find Deal

Sat, Nov 16 - Fri, Nov 22

3:43 pm - 12:04 pmLAX-ORD

18h 21m1 stop

9:53 pm - 10:51 pmORD-LAX

26h 58m1 stop

$162Spirit Airlines

Find Deal

Tue, Nov 19 - Fri, Dec 6

8:23 pm - 4:45 amLAX-ORD

6h 22m1 stop

2:15 pm - 9:41 pmORD-LAX

9h 26m1 stop

$203

Find Deal

Tue, Nov 19 - Wed, Nov 20

3:10 pm - 4:45 amSAN-ORD

11h 35m1 stop

4:48 pm - 11:56 pmORD-SAN

9h 08m1 stop

$226

Find Deal

Fri, Nov 15 - Fri, Nov 22

12:18 am - 6:24 amLAX-ORD

4h 06mnonstop

7:20 pm - 9:56 pmORD-LAX

4h 36mnonstop

$319American Airlines

Find Deal

Mon, Nov 18 - Fri, Dec 6

7:00 am - 11:59 pmSFO-ORD

14h 59m2 stops

6:20 am - 1:32 pmORD-SFO

9h 12m1 stop

$360Alaska Airlines

Find Deal

Tue, Nov 19 - Thu, Nov 21

12:18 am - 6:24 amLAX-ORD

4h 06mnonstop

8:25 pm - 11:04 pmORD-LAX

4h 39mnonstop

$384American Airlines

Find Deal

Tue, Nov 19 - Sat, Nov 23

10:27 am - 4:48 pmSFO-ORD

4h 21mnonstop

5:59 pm - 8:58 pmORD-SFO

4h 59mnonstop

$403Alaska Airlines

Find Deal

Tue, Nov 19 - Sat, Dec 7

2:45 pm - 9:05 pmSFO-ORD

4h 20mnonstop

7:15 am - 10:07 amORD-SFO

4h 52mnonstop

$404United Airlines

Find Deal

Mon, Nov 18 - Thu, Nov 21

4:00 pm - 11:57 pmSFO-ORD

5h 57m1 stop

6:15 am - 9:08 amORD-SFO

4h 53mnonstop

$414United Airlines

Find Deal

Mon, Nov 18 - Thu, Nov 21

11:20 am - 5:28 pmLAX-ORD

4h 08mnonstop

6:33 pm - 9:15 pmORD-LAX

4h 42mnonstop

$121Spirit Airlines

Find Deal

Sat, Dec 7 - Tue, Dec 10

6:00 am - 12:05 pmLAX-ORD

4h 05mnonstop

6:33 pm - 9:15 pmORD-LAX

4h 42mnonstop

$122Spirit Airlines

Find Deal

Wed, Dec 4 - Tue, Dec 10

8:20 am - 2:35 pmLAX-ORD

4h 15mnonstop

10:49 am - 1:29 pmORD-LAX

4h 40mnonstop

$159United Airlines

Find Deal

Tue, Jan 21 - Wed, Feb 5

6:00 am - 12:09 pmLAX-ORD

4h 09mnonstop

5:40 pm - 8:22 pmORD-LAX

4h 42mnonstop

$169American Airlines

Find Deal

Wed, Feb 12 - Sat, Feb 15

2:20 pm - 8:20 pmLAX-MDW

4h 00mnonstop

1:15 pm - 3:55 pmMDW-LAX

4h 40mnonstop

$170Southwest

Find Deal

Sat, Feb 1 - Tue, Feb 4

10:48 am - 5:00 pmSFO-ORD

4h 12mnonstop

7:00 pm - 10:10 pmORD-SFO

5h 10mnonstop

$191Alaska Airlines

Find Deal

Sat, Mar 8 - Sat, Mar 8

10:40 am - 4:59 pmSFO-ORD

4h 19mnonstop

5:59 pm - 8:58 pmORD-SFO

4h 59mnonstop

$197Alaska Airlines

Find Deal

Sat, Dec 7 - Tue, Dec 10

11:20 am - 5:20 pmLAX-MDW

4h 00mnonstop

8:35 pm - 11:20 pmMDW-LAX

4h 45mnonstop

$200Southwest

Find Deal

Tue, Jan 7 - Mon, Jan 13

5:15 am - 11:21 amSFO-ORD

4h 06mnonstop

12:25 pm - 3:19 pmORD-SFO

4h 54mnonstop

$207American Airlines

Find Deal

Sat, Feb 15 - Sat, Feb 22

11:59 pm - 6:11 amSFO-ORD

4h 12mnonstop

8:20 pm - 11:08 pmORD-SFO

4h 48mnonstop

$224United Airlines

Find Deal

Mon, Nov 25 - Sat, Dec 14

Alaska Airlines flights from California to Illinois

Our best Alaska Airlines deals on California to Illinois flight tickets

Alaska Airlines

Mar 8

SFO10:48 amSan Francisco

4h 12m

ORD5:00 pmChicago O'Hare Intl

Mar 8

ORD7:00 pmChicago O'Hare Intl

5h 10m

SFO10:10 pmSan Francisco

$191

Find similar

Alaska Airlines

Dec 7

SFO10:40 amSan Francisco

4h 19m

ORD4:59 pmChicago O'Hare Intl

Dec 10

ORD5:59 pmChicago O'Hare Intl

4h 59m

SFO8:58 pmSan Francisco

$197

Find similar

Alaska Airlines

Nov 25

SFO11:33 amSan Francisco

4h 22m

ORD5:55 pmChicago O'Hare Intl

Dec 14

ORD5:59 pmChicago O'Hare Intl

4h 59m

SFO8:58 pmSan Francisco

$198

Find similar

Spirit Airlines flights from California to Illinois

Our best Spirit Airlines deals on California to Illinois flight tickets

Spirit Airlines

Dec 7

LAX5:30 amLos Angeles

22h 00m

1 stop

ORD5:30 amChicago O'Hare Intl

Dec 8

ORD7:35 amChicago O'Hare Intl

4h 40m

LAX10:15 amLos Angeles

$95

Find similar

Spirit Airlines

Dec 4

LAX4:02 pmLos Angeles

11h 28m

1 stop

ORD5:30 amChicago O'Hare Intl

Dec 10

ORD6:33 pmChicago O'Hare Intl

4h 42m

LAX9:15 pmLos Angeles

$97

Find similar

Spirit Airlines

Dec 4

LAX4:02 pmLos Angeles

11h 28m

1 stop

ORD5:30 amChicago O'Hare Intl

Dec 10

ORD6:33 pmChicago O'Hare Intl

4h 42m

LAX9:15 pmLos Angeles

$109

Find similar

How to get the cheapest flight ticket from California to Illinois

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 airline that flies to Illinois from California?

Allegiant Air. Allegiant Air, Frontier, and Spirit Airlines are the most popular carriers operating from California to Illinois

What is the cheapest California to Illinois flight route?

Las Vegas Harry Reid Intl - Chicago O'Hare Intl. Fly from Las Vegas Harry Reid Intl to Chicago O'Hare Intl for the best California - Illinois flight prices

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

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

You could potentially save up to 29% on your flight if you consider stops on a California to Illinois flight.

Cheap California to Illinois flight deals and tips

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

Best Price Found	$53
Fastest flight time	3h 54m
Direct flights	Every day
Airports in Illinois	2 airports

The best one-way flight to Illinois from California in the past 72 hours is $53. The best round-trip flight deal from California to Illinois found on momondo in the last 72 hours is $95.

The fastest flight from California to Illinois takes 3h 54m

Direct flights go from California to Illinois every day.

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

Search flight deals

When did momondo last update prices for flights from California to Illinois?
Prices for flights from California to Illinois were last updated today.
How many operators does momondo search for flights from California to Illinois?
As of November 2024, there are 10 operators available to choose from for flights from California to Illinois.
How old do you have to be to fly from California to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from California to Illinois?
momondo data reveals that the most frequently booked plane model on the route from California to Illinois is Boeing 737-800, representing 14.63% of all bookings. The subsequent popular models are Airbus A321neo at 13.55%, Boeing 757-300 at 10.66%, and Boeing 777 at 10.34%.

Best airlines flying from California to Illinois

Compare and see reviews for airlines that fly from California to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $49	Free Cancellation	Rating 7.3 856 reviews	Search Allegiant Air flights
Alaska Airlines	PriceFrom $68	Free Cancellation	Rating 8.0 9,439 reviews	Search Alaska Airlines flights
Frontier	PriceFrom $72	Free Cancellation	Rating 6.1 3,551 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $82	Free Cancellation	Rating 6.3 8,167 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $179	Free Cancellation	Rating 7.4 9,194 reviews	Search United Airlines flights
American Airlines	PriceFrom $184	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $184	Free Cancellation	Rating 8.1 5,045 reviews	Search Southwest flights
Delta	PriceFrom $204	Free Cancellation	Rating 8.0 8,788 reviews	Search Delta flights
Sun Country Air	PriceFrom $313	Free Cancellation	Rating 7.0 422 reviews	Search Sun Country Air flights

Why use momondo?

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

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

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

Flights from California to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Illinois.

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

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