Cheap flights from California to Chicago O'Hare Intl Airport from $37
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 Chicago O'Hare Intl Airport departing on 5/21. 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
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from California to Chicago
Round-trip
One-way
Last minute
Direct
Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from California to Chicago.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from California to Chicago.
Cheap last minute flights
Planning a quick getaway from California to Chicago? 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 Chicago, so you can enjoy a seamless trip without layovers.
Spirit Airlines flights from California to Chicago O'Hare Intl Airport
Our best Spirit Airlines deals on California to Chicago O'Hare Intl Airport flight tickets
Spirit Airlines![Spirit Airlines]()
May 13![Spirit Airlines]()
May 17
LAX12:41 amLos Angeles
4h 01m
ORD6:42 amChicago O'Hare Intl
ORD6:59 pmChicago O'Hare Intl
4h 31m
LAX9:30 pmLos Angeles
Spirit Airlines![Spirit Airlines]()
May 17![Spirit Airlines]()
May 17
LAX5:30 amLos Angeles
4h 06m
ORD11:36 amChicago O'Hare Intl
ORD6:59 pmChicago O'Hare Intl
4h 31m
LAX9:30 pmLos Angeles
Frontier flights from California to Chicago O'Hare Intl Airport
Our best Frontier deals on California to Chicago O'Hare Intl Airport flight tickets
Frontier![Frontier]()
May 28![Frontier]()
May 31
LAX4:46 pmLos Angeles
4h 19m
ORD11:05 pmChicago O'Hare Intl
ORD6:10 amChicago O'Hare Intl
4h 34m
LAX8:44 amLos Angeles
Frontier![Frontier]()
May 23![Frontier]()
May 25
LAS3:03 pmLas Vegas Harry Reid Intl
3h 50m
ORD8:53 pmChicago O'Hare Intl
ORD9:50 pmChicago O'Hare Intl
4h 22m
LAS12:12 amLas Vegas Harry Reid Intl
See travel insights to Chicago from
How to get the cheapest flight ticket from California to Chicago O'Hare Intl Airport
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 Chicago O'Hare Intl Airport?
The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from California averaging around $275.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $372. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $478.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from California in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $309 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $467. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest California to Chicago O'Hare Intl flight route?
Fly from Los Angeles to Chicago O'Hare Intl for the best California - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from California when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $309 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from California for as low as $265 on momondo.
What cabin class options are available on California to Chicago O'Hare Intl flights?
There are 4 cabin classes available to choose from on California to Chicago O'Hare Intl 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 California to Chicago O'Hare Intl?
Spirit Airlines, Frontier, and United Airlines are the most popular carriers operating from California to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from California according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 10 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from California to Chicago O'Hare Intl Airport on average per day?
267 flights are operational daily from California to Chicago O'Hare Intl Airport as of April 2025. The most popular departure time for this route is 10:00AM, with 48% of flights per day taking off at noon.
How many flights depart from California to Chicago O'Hare Intl Airport on average per week?
As of April 2025, there are 1,869 flights per week flying from California to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.
Cheap California to Chicago O'Hare Intl Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to Chicago O'Hare Intl Airport
When did momondo last update prices for flights from California to Chicago O'Hare Intl Airport?
Prices for flights from California to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from California to Chicago O'Hare Intl Airport?
As of April 2025, there are 10 operators available to choose from for flights from California to Chicago O'Hare Intl Airport.
How old do you have to be to fly from California to Chicago O'Hare Intl Airport?
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 California to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from California to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between California and Chicago O'Hare Intl Airport, the leading plane model is Boeing 737-800, making up 18.01% of the total bookings. Other popular models include Airbus A321neo with 16.25%, Airbus A320neo with 9.09%, and Boeing 757-300 with 9.07%.
Best airlines flying from California to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from California to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $49 | Free Cancellation | Rating 7.3 734 reviews | |||
| PriceFrom $74 | Free Cancellation | Rating 6.3 7,940 reviews | |||
| PriceFrom $90 | Free Cancellation | Rating 5.9 3,283 reviews | |||
| PriceFrom $130 | Free Cancellation | Rating 6.9 349 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 8.0 9,906 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 7.9 2,392 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $182 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $185 | Free Cancellation | Rating 7.4 8,684 reviews | |||
| PriceFrom $235 | Free Cancellation | Rating 8.0 7,920 reviews |
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsLake Geneva
Rockford
Schaumburg
Merrillville
Gurnee
Rosemont
Naperville
Kenosha
Joliet
South Haven
Oak Brook
Racine
New Buffalo
Elgin
Tinley Park
Hammond
Aurora
Orland Park
Janesville
South Holland
Why use momondo?
Why should I use momondo to find a flight deal from California to Chicago?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to Chicago. momondo saves you time and could save you money on your trip.
Can I find flights from California to Chicago with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for California to Chicago flights to just show those with flexible booking policies.
How can momondo help me find flights from California to Chicago?
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 Chicago.
I’m not ready to book a flight from California to Chicago right now. Can momondo alert me if prices change?
Yes. momondo can track prices for California to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
Find better results for your trip to Chicago
Popular cities in the United States
Popular flights according to clicks in the last 7 days on momondo
Flights to Newark Airportfrom $66
Flights to Orlando Airportfrom $39