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Cheap flights from California to Illinois from $45

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Illinois departing on 5/6. 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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To?
Thu 4/18
Thu 4/25

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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

$45

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 $45. The best round-trip flight deal from California to Illinois found on momondo in the last 72 hours is $82.
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)

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?

Frontier. Alaska Airlines, Delta, and Frontier are the most popular carriers operating from California to Illinois

What is the cheapest California to Illinois flight route?

Los Angeles - Chicago O'Hare Intl. Fly from Los Angeles 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 22% on your flight if you consider stops on a California to Illinois flight.

Easily compare round-trip flights from California to Illinois

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from California to Illinois by changing tabs
Frontier
May 7
SAN8:00 amSan Diego
14h 56m
1 stop
ORD12:56 amChicago O'Hare Intl
May 14
ORD6:27 pmChicago O'Hare Intl
27h 48m
1 stop
SAN8:15 pmSan Diego
Multiple Airlines
May 4
SAN2:19 pmSan Diego
8h 37m
1 stop
ORD12:56 amChicago O'Hare Intl
May 7
ORD9:34 pmChicago O'Hare Intl
13h 40m
1 stop
SAN9:14 amSan Diego
Spirit Airlines
May 17
OAK5:50 amOakland
28h 22m
1 stop
ORD12:12 pmChicago O'Hare Intl
May 18
ORD4:05 pmChicago O'Hare Intl
9h 50m
1 stop
OAK11:55 pmOakland
Multiple Airlines
May 4
SAN2:19 pmSan Diego
8h 37m
1 stop
ORD12:56 amChicago O'Hare Intl
May 7
ORD9:34 pmChicago O'Hare Intl
13h 40m
1 stop
SAN9:14 amSan Diego
Frontier
May 4
SAN4:57 pmSan Diego
5h 59m
1 stop
ORD12:56 amChicago O'Hare Intl
May 11
ORD6:27 pmChicago O'Hare Intl
15h 06m
1 stop
SAN7:33 amSan Diego
American Airlines
May 3
LAX12:15 amLos Angeles
3h 58m
ORD6:13 amChicago O'Hare Intl
May 7
ORD5:06 pmChicago O'Hare Intl
4h 25m
LAX7:31 pmLos Angeles

Find the cheapest one-way flights from California to Illinois

If you're looking for one-way flights from California to Illinois, view some of our deals below provided by American Airlines, Frontier and Southwest
Frontier
May 6
ONT12:59 amOntario
8h 39m
1 stop
MDW11:38 amChicago Midway
Spirit Airlines
May 15
BUR10:44 amBurbank Bob Hope
9h 11m
1 stop
ORD9:55 pmChicago O'Hare Intl
Multiple Airlines
May 15
BUR10:44 amBurbank Bob Hope
12h 12m
2 stops
ORD12:56 amChicago O'Hare Intl

Search last-minute flights to Illinois from California

Find and compare round-trip flight prices for your last-minute flight from California to Illinois
Frontier
Apr 25
SAN9:03 amSan Diego
13h 53m
1 stop
ORD12:56 amChicago O'Hare Intl
Apr 29
ORD6:27 pmChicago O'Hare Intl
14h 33m
1 stop
SAN7:00 amSan Diego
Spirit Airlines
Apr 23
LAX11:59 pmLos Angeles
4h 04m
ORD6:03 amChicago O'Hare Intl
Apr 27
ORD5:35 pmChicago O'Hare Intl
4h 37m
LAX8:12 pmLos Angeles
Multiple Airlines
Apr 22
LAX7:36 pmLos Angeles
27h 20m
2 stops
ORD12:56 amChicago O'Hare Intl
Apr 27
ORD5:35 pmChicago O'Hare Intl
4h 37m
LAX8:12 pmLos Angeles
Delta
Apr 20
ONT7:00 amOntario
12h 21m
2 stops
ORD9:21 pmChicago O'Hare Intl
Apr 27
ORD3:25 pmChicago O'Hare Intl
7h 21m
1 stop
ONT8:46 pmOntario
Frontier
Apr 20
SAN2:19 pmSan Diego
8h 37m
1 stop
ORD12:56 amChicago O'Hare Intl
May 4
ORD6:27 pmChicago O'Hare Intl
15h 06m
1 stop
SAN7:33 amSan Diego
American Airlines
Apr 20
SFO5:47 amSan Francisco
4h 17m
ORD12:04 pmChicago O'Hare Intl
Apr 27
ORD1:40 pmChicago O'Hare Intl
4h 46m
SFO4:26 pmSan Francisco

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
FrontierPriceFrom $61Free CancellationRating
6.3
4,198 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $99Free CancellationRating
8.1
9,057 reviews
Search Alaska Airlines flights
Spirit AirlinesPriceFrom $103Free CancellationRating
6.4
8,795 reviews
Search Spirit Airlines flights
DeltaPriceFrom $126Free CancellationRating
8.0
11,168 reviews
Search Delta flights
United AirlinesPriceFrom $148Free CancellationRating
7.4
11,393 reviews
Search United Airlines flights
American AirlinesPriceFrom $153Free CancellationRating
7.3
14,984 reviews
Search American Airlines flights
Sun Country AirPriceFrom $233Free CancellationRating
7.1
675 reviews
Search Sun Country Air flights

Alaska Airlines flights from California to Illinois

Our best Alaska Airlines deals on California to Illinois flight tickets
Alaska Airlines
Jun 1
SFO11:12 pmSan Francisco
4h 23m
ORD5:35 amChicago O'Hare Intl
Aug 17
ORD6:35 amChicago O'Hare Intl
4h 37m
SFO9:12 amSan Francisco
Alaska Airlines
May 29
SFO11:57 pmSan Francisco
4h 23m
ORD6:20 amChicago O'Hare Intl
Aug 16
ORD6:35 amChicago O'Hare Intl
4h 37m
SFO9:12 amSan Francisco
Alaska Airlines
May 15
SFO11:59 pmSan Francisco
4h 24m
ORD6:23 amChicago O'Hare Intl
May 18
ORD6:00 amChicago O'Hare Intl
18h 08m
1 stop
SFO10:08 pmSan Francisco

Frontier flights from California to Illinois

Our best Frontier deals on California to Illinois flight tickets
Frontier
May 7
SAN8:00 amSan Diego
14h 56m
1 stop
ORD12:56 amChicago O'Hare Intl
May 14
ORD6:27 pmChicago O'Hare Intl
27h 48m
1 stop
SAN8:15 pmSan Diego
Frontier
May 4
SAN4:57 pmSan Diego
5h 59m
1 stop
ORD12:56 amChicago O'Hare Intl
May 11
ORD6:27 pmChicago O'Hare Intl
15h 06m
1 stop
SAN7:33 amSan Diego
Frontier
May 7
ONT12:59 amOntario
8h 39m
1 stop
MDW11:38 amChicago Midway
May 11
MDW10:59 pmChicago Midway
10h 04m
1 stop
ONT7:03 amOntario

  • 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?

  • 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.


Alternative routes for California to Illinois

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Los Angeles to Chicago Flights
Fastest flight time4h 04m
Cheapest price$76
Burbank to Chicago Flights
Fastest flight time5h 44m
Cheapest price$113
San Diego to Chicago Flights
Fastest flight time4h 03m
Cheapest price$83
Oakland, California to Chicago Flights
Fastest flight time6h 32m
Cheapest price$129
San Francisco to Chicago Flights
Fastest flight time4h 11m
Cheapest price$99
Ontario to Chicago Flights
Fastest flight time3h 45m
Cheapest price$87
San Jose to Chicago Flights
Fastest flight time4h 09m
Cheapest price$177
Santa Ana to Chicago Flights
Fastest flight time7h 47m
Cheapest price$127
Los Angeles to St. Louis Flights
Fastest flight time3h 35m
Cheapest price$103
Sacramento to Chicago Flights
Fastest flight time3h 59m
Cheapest price$137
Ontario to St. Louis Flights
Fastest flight time5h 26m
Cheapest price$169
Palm Springs to Chicago Flights
Fastest flight time3h 55m
Cheapest price$264

Similar California to Illinois flights

Flexible with your destination? Broaden your search and find flights similar to your California to Illinois route

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.


An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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


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