Cheap flights from California to Illinois from $41

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 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Spirit Airlines Logo
5:45 am - 2:13 pmLAX-ORD
6h 28m1 stop
Spirit Airlines Logo
3:18 pm - 9:37 pmORD-LAX
8h 19m1 stop
$91Spirit Airlines
Find Deal
Sat, Aug 2 - Tue, Aug 5
Spirit Airlines Logo
5:45 am - 2:13 pmLAX-ORD
6h 28m1 stop
Spirit Airlines Logo
3:18 pm - 9:37 pmORD-LAX
8h 19m1 stop
$97Spirit Airlines
Find Deal
Sat, Aug 2 - Tue, Aug 5
United Airlines Logo
3:00 pm - 9:24 pmSFO-ORD
4h 24mnonstop
United Airlines Logo
7:19 am - 10:05 amORD-SFO
4h 46mnonstop
$105United Airlines
Find Deal
Tue, Aug 19 - Wed, Aug 20
Southwest Logo
10:40 am - 4:45 pmSFO-MDW
4h 05mnonstop
Southwest Logo
12:55 pm - 3:25 pmMDW-SFO
4h 30mnonstop
$105Southwest
Find Deal
Sat, Oct 4 - Mon, Oct 6
American Airlines Logo
6:10 am - 12:30 pmSFO-ORD
4h 20mnonstop
American Airlines Logo
6:45 am - 9:18 amORD-SFO
4h 33mnonstop
$106American Airlines
Find Deal
Mon, Aug 25 - Wed, Aug 27
Southwest Logo
10:40 am - 4:45 pmSFO-MDW
4h 05mnonstop
Southwest Logo
2:45 pm - 5:15 pmMDW-SFO
4h 30mnonstop
$114Southwest
Find Deal
Sat, Oct 25 - Tue, Oct 28
Frontier Logo
3:40 pm - 10:03 pmSAN-ORD
4h 23mnonstop
Frontier Logo
7:00 am - 9:20 amORD-SAN
4h 20mnonstop
$115Frontier
Find Deal
Thu, Aug 28 - Mon, Sep 1
United Airlines Logo
4:55 pm - 11:12 pmSFO-ORD
4h 17mnonstop
United Airlines Logo
9:13 pm - 11:59 pmORD-SFO
4h 46mnonstop
$119United Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
Frontier Logo
4:44 pm - 11:07 pmSAN-ORD
4h 23mnonstop
Frontier Logo
1:39 pm - 3:59 pmORD-SAN
4h 20mnonstop
$121Frontier
Find Deal
Fri, Aug 15 - Mon, Aug 18
American Airlines Logo
6:00 am - 12:18 pmSFO-ORD
4h 18mnonstop
American Airlines Logo
6:45 am - 9:24 amORD-SFO
4h 39mnonstop
$122American Airlines
Find Deal
Sun, Sep 14 - Sat, Sep 20

American Airlines flights from California to Illinois

Our best American Airlines deals on California to Illinois flight tickets
American Airlines
Aug 25
SFO6:10 amSan Francisco
4h 20m
ORD12:30 pmChicago O'Hare Intl
Aug 27
ORD6:45 amChicago O'Hare Intl
4h 33m
SFO9:18 amSan Francisco
American Airlines
Sep 14
SFO6:00 amSan Francisco
4h 18m
ORD12:18 pmChicago O'Hare Intl
Sep 20
ORD6:45 amChicago O'Hare Intl
4h 39m
SFO9:24 amSan Francisco
American Airlines
Sep 21
SFO6:00 amSan Francisco
4h 18m
ORD12:18 pmChicago O'Hare Intl
Sep 26
ORD8:26 pmChicago O'Hare Intl
4h 43m
SFO11:09 pmSan Francisco

Alaska Airlines flights from California to Illinois

Our best Alaska Airlines deals on California to Illinois flight tickets
Alaska Airlines
Aug 6
SFO3:05 pmSan Francisco
6h 34m
1 stop
ORD11:39 pmChicago O'Hare Intl
Aug 19
ORD7:18 pmChicago O'Hare Intl
4h 48m
SFO10:06 pmSan Francisco
Alaska Airlines
Aug 6
SFO3:05 pmSan Francisco
6h 34m
1 stop
ORD11:39 pmChicago O'Hare Intl
Aug 14
ORD7:18 pmChicago O'Hare Intl
4h 48m
SFO10:06 pmSan Francisco
Alaska Airlines
Sep 23
OAK7:58 pmOakland
24h 09m
1 stop
ORD10:07 pmChicago O'Hare Intl
Sep 27
ORD2:07 pmChicago O'Hare Intl
7h 11m
1 stop
OAK7:18 pmOakland

See travel insights to Illinois from

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 month to fly to Illinois?

The cheapest month to fly to Illinois from California is in February. Flight prices, which tend to average around $246, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $268.

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

The cheapest day to depart from California to Illinois is on a Wednesday when prices can be found for as low as $358. Flights from California to Illinois on a Sunday will generally be more expensive and average around $464. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from California to Illinois during this time can be as low as $288. Flights at noon are often more expensive with an average ticket price of $441.

What is the cheapest California to Illinois flight route?

Fly from Los Angeles to Chicago Greater Rockford for the best California - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $301 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from California for as low as $251 on momondo.

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?

No. A direct flight is the cheapest option for a flight between California to Illinois.

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

$41

Fastest flight time

3h 55m

Direct flights

Every day

Airports in Illinois

2 airports
The best one-way flight to Illinois from California in the past 72 hours is $41. The best round-trip flight deal from California to Illinois found on momondo in the last 72 hours is $91.
The fastest flight from California to Illinois takes 3h 55m
Direct flights go from California to Illinois every day.
There are 2 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • 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.

  • What is the most popular plane model from California to Illinois?


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 AirPriceFrom $54Free CancellationRating
7.2
704 reviews
Search Allegiant Air flights
Spirit AirlinesPriceFrom $67Free CancellationRating
6.3
8,055 reviews
Search Spirit Airlines flights
FrontierPriceFrom $92Free CancellationRating
5.9
3,271 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,562 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $128Free CancellationRating
8.0
7,951 reviews
Search Delta flights
Sun Country AirPriceFrom $130Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
United AirlinesPriceFrom $133Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $138Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $157Free CancellationRating
8.0
4,249 reviews
Search Southwest flights
American AirlinesPriceFrom $181Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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.


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1 adult
Tue 7/15
Tue 7/22

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