Cheap flights from Illinois to California from $36
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 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Illinois to California 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 Illinois to California.
Cheap last minute flights
Planning a quick getaway from Illinois to California? 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 California, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from Illinois to California
Find recent round-trip train or bus tickets from Illinois to California.
All round-trip flight deals to California
The cheapest plane tickets to California found on KAYAK recently.
Spirit Airlines flights from Illinois to California
Our best Spirit Airlines deals on Illinois to California flight tickets
Spirit Airlines![Spirit Airlines]()
Feb 11![Spirit Airlines]()
Feb 12
ORD9:00 amChicago O'Hare Intl
4h 39m
LAX11:39 amLos Angeles
LAX5:55 pmLos Angeles
10h 12m
1 stop
ORD6:07 amChicago O'Hare Intl
Spirit Airlines![Spirit Airlines]()
Feb 11![Spirit Airlines]()
Feb 12
ORD9:00 amChicago O'Hare Intl
4h 39m
LAX11:39 amLos Angeles
LAX7:15 pmLos Angeles
8h 52m
1 stop
ORD6:07 amChicago O'Hare Intl
American Airlines flights from Illinois to California
Our best American Airlines deals on Illinois to California flight tickets
American Airlines![American Airlines]()
Feb 8![American Airlines]()
Feb 11
ORD7:00 pmChicago O'Hare Intl
4h 09m
LAS9:09 pmLas Vegas Harry Reid Intl
LAS7:00 amLas Vegas Harry Reid Intl
3h 37m
ORD12:37 pmChicago O'Hare Intl
American Airlines![American Airlines]()
Feb 22![American Airlines]()
Feb 24
ORD5:40 pmChicago O'Hare Intl
4h 42m
LAX8:22 pmLos Angeles
LAX12:25 amLos Angeles
3h 49m
ORD6:14 amChicago O'Hare Intl
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
Prices
Airlines
Other information
What is the cheapest month to fly to California?
The month of October is another great option to travel to California, with average flight prices from Illinois averaging around $245.
What is the cheapest day to depart on your flight to California?
The cheapest day to depart from Illinois to California is on a Saturday. Travelers who choose to depart for California on a Saturday will often find tickets for as low as $278. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to California on Sunday is $368.
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 $249. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $317 on average. Flights to California from Illinois at noon 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 Greater Rockford to Los Angeles for the best Illinois - California flight prices
How far in advance should I book a flight to California?
Most flyers found that booking tickets 34 days in advance of their planned departure date is the best time to get cheap flights to California. During this timeframe, flight prices are around $286. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Illinois for as low as $215 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.
What is the cheapest airline that flies from Illinois to California?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Illinois to California
What airlines fly to California?
American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to California from Illinois according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to California. Keep in mind that there are 10 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to California on average per day?
As of January 2025, 214 flights take off from Illinois and land in California each day. The most common flight departure time for this route is 9:00PM, with 37% of daily flights taking off in the afternoon.
How many flights depart from Illinois to California on average per week?
As of January 2025, there are 1,501 flights per week flying from Illinois to California. The most common day of the week flights depart is Fri, with 18% of flights taking off on this day.
Cheap Illinois to California flight deals and tips
Find info about flight duration, direct flights, and airports for your flight 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?
There are 10 operators available for flights from Illinois to California as of January 2025.
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?
Based on momondo bookings for flights between Illinois and California, the leading plane model is Boeing 737-800, making up 17.43% of the total bookings. Other popular models include Airbus A321neo with 13.73%, Boeing 777 with 10.28%, and Boeing 757-300 with 9.97%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $54 | Free Cancellation | Rating 7.3 799 reviews | |||
| PriceFrom $82 | Free Cancellation | Rating 6.0 3,428 reviews | |||
| PriceFrom $92 | Free Cancellation | Rating 6.3 8,075 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 7.4 8,942 reviews | |||
| PriceFrom $140 | Free Cancellation | Rating 8.0 9,643 reviews | |||
| PriceFrom $147 | Free Cancellation | Rating 7.0 381 reviews | |||
| PriceFrom $152 | Free Cancellation | Rating 8.1 4,650 reviews | |||
| PriceFrom $171 | Free Cancellation | Rating 8.0 8,501 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 7.2 10,000 reviews |
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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