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  4. Chicago - Los Angeles - Ontario, CA

Cheap Flights from Chicago (CHI) to Los Angeles - Ontario, CA (ONT)

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Discover the cheapest flights from Chicago to Los Angeles - Ontario, CA
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Sun, Jan 18 - Thu, Jan 22
Frontier Airlines
Frontier Airlines1 stop
CHI - ONT
Frontier Airlines
Frontier Airlines1 stop
ONT - CHI
136$
128$
Prime price per passenger
Sun, Jan 25 - Sun, Feb 1
Frontier Airlines
Frontier Airlines1 stop
CHI - ONT
Frontier Airlines
Frontier Airlines1 stop
ONT - CHI
141$
135$
Prime price per passenger
Fri, Feb 6 - Sat, Feb 7
Frontier Airlines
Frontier Airlines1 stop
CHI - ONT
Frontier Airlines
Frontier Airlines1 stop
ONT - CHI
170$
156$
Prime price per passenger
Mon, Jan 5 - Thu, Jan 8
Frontier Airlines
Frontier Airlines1 stop
CHI - ONT
American Airlines
American AirlinesDirect
ONT - CHI
157$
Prime price per passenger
Mon, Feb 23 - Mon, Mar 2
Frontier Airlines
Frontier Airlines1 stop
CHI - ONT
Frontier Airlines
Frontier Airlines1 stop
ONT - CHI
182$
175$
Prime price per passenger
Tue, Dec 30 - Wed, Dec 31
Frontier Airlines
Frontier Airlines1 stop
CHI - ONT
Frontier Airlines
Frontier AirlinesDirect
ONT - CHI
200$
190$
Prime price per passenger
Sun, Jan 18
Frontier Airlines
Frontier Airlines1 stop
CHI - ONT
33$
32$
Prime price per passenger
Fri, Feb 20
Frontier Airlines
Frontier Airlines1 stop
CHI - ONT
90$
88$
Prime price per passenger
Fri, Jan 9
Frontier Airlines
Frontier Airlines1 stop
CHI - ONT
94$
92$
Prime price per passenger
Wed, Feb 4
American Airlines
American Airlines1 stop
CHI - ONT
93$
Prime price per passenger
Tue, Feb 10
American Airlines
American Airlines1 stop
CHI - ONT
93$
Prime price per passenger
Tue, Dec 30
Frontier Airlines
Frontier Airlines1 stop
CHI - ONT
141$
132$
Prime price per passenger
Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Chicago to Los Angeles - Ontario, CA

Flexible with dates? We find the best price for the week of the day you select *Prices may vary after you search.
Filter by
week: Jan 26 - Feb 1
Flights from just $175
$212
$313
$365
$312
$187
$237
$222
$175
$188
$292
$215
$241
DecemberJanuaryFebruary
Flying Time5 h and 12 mWhen flying from Chicago to Los Angeles - Ontario, CA, this can take around 5 h and 12 m in flying time, however this flight duration can vary due to other factors
Cheapest flight$31The best price for flights from Chicago to Los Angeles - Ontario, CA offered by eDreams, which have been found by our customers in the last 3 days
Departure AirportO'hare International AirportO'hare International Airport is where you'll take off when flying from Chicago to Los Angeles - Ontario, CA
Arrival AirportOntario InternationalYou'll land at Ontario International when flying from Chicago to Los Angeles - Ontario, CA
Peak seasonAugustAugust is the busiest time to fly from Chicago to Los Angeles - Ontario, CA according to search data results from our customers
Best time to bookAugustAugust is one of the most frequent times to fly to Los Angeles - Ontario, CA from Chicago according to real data from our customers
Distance: 1706 miles
Chicago airports
O'hare International Airport (ORD)How far from city center: 14 miles
Midway Airport (MDW)How far from city center: 4 miles
Los Angeles - Ontario, CA airports
Ontario International (ONT)How far from city center: 2 miles

Are you planning to travel to Los Angeles - Ontario, CA for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from Chicago. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to Los Angeles - Ontario, CA and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from Chicago to Los Angeles - Ontario, CA

What are the benefits of booking flexible flight tickets?
Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United States. At eDreams have you covered!
For flights from Chicago to Los Angeles - Ontario, CA, how can I find the cheapest price?
The cheapest price for a flight from Chicago to Los Angeles - Ontario, CA is $32. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When booking, when is the best time to get the best prices for flights from Chicago to Los Angeles - Ontario, CA?
The most popular months to book a trip from Chicago to Los Angeles - Ontario, CA are August, January and July, based on the searches of our customers.
When is the best time to travel from Chicago to Los Angeles - Ontario, CA?
The best time of the year to visit Los Angeles - Ontario, CA depends on lots of personal preferences, especially the price. Regarding popularity, August is the best month to fly to Los Angeles - Ontario, CA from Chicago in terms of searches from our customers, followed by February and July. If you prefer to avoid the busy season and get away from the crowds November, October and April are the months with fewer searches for Chicago - Los Angeles - Ontario, CA.
How long does the flight from Chicago to Los Angeles - Ontario, CA take?
Flight length from Chicago to Los Angeles - Ontario, CA is around 05:12 hours on average, at an average distance of 2,973 km, for flights for the route (which may have 1 or more stops in other cities in between).
Which airports have flights between Chicago and Los Angeles - Ontario, CA?
The main route from Chicago to Los Angeles - Ontario, CA is: Midway Airport (MDW) to Ontario International (ONT). The following airlines fly this route:
Frontier Airlines.
Alternatively, you can find Chicago - Los Angeles - Ontario, CA flights between O'hare International Airport (ORD) to Ontario International (ONT) with the following airline(s) flying the route: Frontier Airlines.

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