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Flights Fare Calendar Find minimum fare between O'Hare Intl. and Los Angeles - Ontario Intl. Click this button to get previous days data Click this button to get next days data $577 $495 $412 $330 $247 $165 $82 $0 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T Price is $577 on Frontier Airlines Price is $385 on Frontier Airlines Price is $385 on Frontier Airlines Price is $571 on American Airlines Price is $494 on Frontier Airlines Price is $334 on Frontier Airlines Price is $366 on Alaska Airlines Price is $439 on Alaska Airlines Price is $340 on Frontier Airlines Price is $316 on Frontier Airlines Price is $395 on Frontier Airlines Price is $432 on American Airlines Price is $295 on Delta Price is $344 on Alaska Airlines Price is $509 on Alaska Airlines Price is $352 on Frontier Airlines Price is $314 on Delta Price is $348 on Frontier Airlines Price is $254 on American Airlines Price is $309 on American Airlines Price is $219 on United Price is $336 on Alaska Airlines Price is $217 on American Airlines Price is $303 on United Price is $388 on Frontier Airlines Price is $140 on Frontier Airlines Price is $230 on Frontier Airlines Price is $320 on Frontier Airlines Price is $230 on Frontier Airlines Price is $336 on Alaska Airlines

Amazing ORD to ONT Flight Deals

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $135 round trip and $70 one way. Prices and availability subject to change. Additional terms may apply.

Best Los Angeles - Ontario Intl. Flight and Hotel Packages

Los Angeles - Ontario Intl. flight + hotel packages - economy flights

Los Angeles - Ontario Intl. flight + hotel packages - first class flights

FAQs about flights from O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT)

Can I catch a flight from Chicago, IL Airport (ORD-O'Hare Intl.) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) right now?

For any present Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) travel advice and quarantine requirements, go to our Covid-19 Travel Advisor. Look before you book your flight, so you don't get caught up.

Are there direct flights from O'Hare Airport to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?

Qatar Airways, British Airways and KLM will take you to Los Angeles from Chicago with just one stopover. Unfortunately, there are no direct flights between Chicago, IL Airport (ORD-O'Hare Intl.) and Los Angeles - Ontario Intl. Airport (ONT) just yet.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to ONT, please visit our Customer Service Portal.

How long is the flight from O'Hare Airport to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?

Flights between Chicago and Los Angeles take about 6 hours and 27 minutes in total. Make the most of your time in the air by reading, snoozing away, watching a movie or doing all three.

What is the flight distance from Chicago, IL Airport (ORD-O'Hare Intl.) to Ontario Airport?

The flight distance from Chicago, IL Airport (ORD-O'Hare Intl.) to ONT is 2,361 mi. Be sure to bring along a magazine or some Sudoku puzzles to make your trip more enjoyable.

What airlines fly from ORD to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?

You'll have to plan for at least one stopover if you want to fly from O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT), as no airlines operate direct flights on this route. Make the most of your layover by freshening up, stretching your legs and indulging in a little retail therapy.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

O'Hare Intl. to Los Angeles - Ontario Intl. Flight FAQ

Traveling FromO'Hare Intl.
Traveling ToLos Angeles - Ontario Intl.
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price$135

Route Info

Flight path for flights from O'Hare International Airport to LA/Ontario International Airport


Distance:
1,771.00 miles


Airlines & Aircraft Used on ORD to ONT Flight Routes


Airline Carrier
Aircraft
American Airlines
Boeing 737-400 pax
United Airlines
Aerospatiale/Alenia ATR 72

Popular Flight Routes from Chicago (ORD)

Travelers at ORD love to visit these top cities. Roam to the top destinations from Chicago (ORD) today with the cheap prices from Travelocity!

Popular Flight Routes from Ontario (ONT)

Travelers at ONT love to visit these top cities. Roam to the top destinations from Ontario(ONT) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.