Cheap flights from California to Illinois from $35
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 8/23. 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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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![Frontier]()
Aug 22![Frontier]()
Aug 28
LAS6:34 pmLas Vegas Harry Reid Intl
3h 44m
ORD12:18 amChicago O'Hare Intl
ORD6:15 amChicago O'Hare Intl
27h 14m
1 stop
LAS7:29 amLas Vegas Harry Reid Intl
Spirit Airlines![Spirit Airlines]()
Aug 14![Spirit Airlines]()
Aug 20
SAN6:07 pmSan Diego
8h 43m
1 stop
ORD4:50 amChicago O'Hare Intl
ORD7:48 amChicago O'Hare Intl
11h 29m
1 stop
SAN5:17 pmSan Diego
Multiple Airlines![Multiple Airlines]()
Aug 13![Multiple Airlines]()
Aug 20
LAS6:34 pmLas Vegas Harry Reid Intl
3h 44m
ORD12:18 amChicago O'Hare Intl
ORD10:57 pmChicago O'Hare Intl
3h 58m
LAS12:55 amLas Vegas Harry Reid Intl
Frontier![Frontier]()
Aug 22![Frontier]()
Aug 28
LAS6:34 pmLas Vegas Harry Reid Intl
3h 44m
ORD12:18 amChicago O'Hare Intl
ORD6:15 amChicago O'Hare Intl
27h 14m
1 stop
LAS7:29 amLas Vegas Harry Reid Intl
United Airlines![United Airlines]()
Sep 14![United Airlines]()
Sep 17
SFO5:15 amSan Francisco
4h 22m
ORD11:37 amChicago O'Hare Intl
ORD7:30 amChicago O'Hare Intl
4h 43m
SFO10:13 amSan Francisco
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 Alaska Airlines, Frontier and Spirit Airlines
Find the cheapest direct flights from California to Illinois
Multiple Airlines![Multiple Airlines]()
Aug 13![Multiple Airlines]()
Aug 20
LAS6:34 pmLas Vegas Harry Reid Intl
3h 44m
ORD12:18 amChicago O'Hare Intl
ORD10:57 pmChicago O'Hare Intl
3h 58m
LAS12:55 amLas Vegas Harry Reid Intl
Spirit Airlines![Spirit Airlines]()
Aug 21![Spirit Airlines]()
Aug 28
LAS11:05 pmLas Vegas Harry Reid Intl
3h 45m
ORD4:50 amChicago O'Hare Intl
ORD7:48 amChicago O'Hare Intl
3h 55m
LAS9:43 amLas Vegas Harry Reid Intl
Frontier![Frontier]()
Oct 16![Frontier]()
Oct 23
SFO9:03 amSan Francisco
4h 11m
MDW3:14 pmChicago Midway
MDW4:09 pmChicago Midway
4h 38m
SFO6:47 pmSan Francisco
United Airlines![United Airlines]()
Sep 14![United Airlines]()
Sep 17
SFO5:15 amSan Francisco
4h 22m
ORD11:37 amChicago O'Hare Intl
ORD7:30 amChicago O'Hare Intl
4h 43m
SFO10:13 amSan Francisco
American Airlines![American Airlines]()
Sep 3![American Airlines]()
Sep 10
LAX11:59 pmLos Angeles
4h 12m
ORD6:11 amChicago O'Hare Intl
ORD5:41 amChicago O'Hare Intl
4h 24m
LAX8:05 amLos Angeles
Search last-minute flights to Illinois from California
Find and compare round-trip flight prices for your last-minute flight from California to Illinois
Spirit Airlines![Spirit Airlines]()
Aug 2![Spirit Airlines]()
Aug 13
LAS12:41 amLas Vegas Harry Reid Intl
3h 47m
ORD6:28 amChicago O'Hare Intl
ORD10:52 pmChicago O'Hare Intl
3h 54m
LAS12:46 amLas Vegas Harry Reid Intl
Multiple Airlines![Multiple Airlines]()
Aug 3![Multiple Airlines]()
Aug 17
LAX9:30 pmLos Angeles
5h 56m
1 stop
ORD5:26 amChicago O'Hare Intl
ORD6:45 amChicago O'Hare Intl
4h 22m
LAX9:07 amLos Angeles
Frontier![Frontier]()
Aug 3![Frontier]()
Aug 15
LAX9:30 pmLos Angeles
5h 56m
1 stop
ORD5:26 amChicago O'Hare Intl
ORD3:24 pmChicago O'Hare Intl
6h 34m
1 stop
LAX7:58 pmLos Angeles
Spirit Airlines![Spirit Airlines]()
Aug 1![Spirit Airlines]()
Aug 6
LAS4:32 pmLas Vegas Harry Reid Intl
3h 47m
ORD10:19 pmChicago O'Hare Intl
ORD10:52 pmChicago O'Hare Intl
3h 54m
LAS12:46 amLas Vegas Harry Reid Intl
Multiple Airlines![Multiple Airlines]()
Aug 3![Multiple Airlines]()
Aug 14
LAS11:39 pmLas Vegas Harry Reid Intl
3h 47m
ORD5:26 amChicago O'Hare Intl
ORD10:57 pmChicago O'Hare Intl
3h 58m
LAS12:55 amLas Vegas Harry Reid Intl
Spirit Airlines flights from California to Illinois
Our best Spirit Airlines deals on California to Illinois flight tickets
Spirit Airlines![Spirit Airlines]()
Aug 14![Spirit Airlines]()
Aug 20
SAN6:07 pmSan Diego
8h 43m
1 stop
ORD4:50 amChicago O'Hare Intl
ORD7:48 amChicago O'Hare Intl
11h 29m
1 stop
SAN5:17 pmSan Diego
Spirit Airlines![Spirit Airlines]()
Sep 26![Spirit Airlines]()
Sep 30
LAX1:40 amLos Angeles
4h 11m
ORD7:51 amChicago O'Hare Intl
ORD6:30 amChicago O'Hare Intl
4h 30m
LAX9:00 amLos Angeles
United Airlines flights from California to Illinois
Our best United Airlines deals on California to Illinois flight tickets
United Airlines![United Airlines]()
Sep 14![United Airlines]()
Sep 17
SFO5:15 amSan Francisco
4h 22m
ORD11:37 amChicago O'Hare Intl
ORD7:30 amChicago O'Hare Intl
4h 43m
SFO10:13 amSan Francisco
United Airlines![United Airlines]()
Sep 4![United Airlines]()
Sep 7
SFO6:25 pmSan Francisco
4h 15m
ORD12:40 amChicago O'Hare Intl
ORD7:00 amChicago O'Hare Intl
4h 37m
SFO9:37 amSan Francisco
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 30% 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
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 July 2024, there are 9 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.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $49 | Free Cancellation | Rating 7.4 938 reviews | |||
| PriceFrom $59 | Free Cancellation | Rating 6.2 3,835 reviews | |||
| PriceFrom $89 | Free Cancellation | Rating 8.0 9,365 reviews | |||
| PriceFrom $93 | Free Cancellation | Rating 6.3 8,407 reviews | |||
| PriceFrom $124 | Free Cancellation | Rating 8.0 9,630 reviews | |||
| PriceFrom $153 | Free Cancellation | Rating 7.3 10,000 reviews | |||
| PriceFrom $163 | Free Cancellation | Rating 7.4 10,000 reviews | |||
| PriceFrom $302 | Free Cancellation | Rating 7.0 515 reviews |
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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Find better results for your trip to Illinois
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