ORD to ONT (Chicago to Ontario) Flights

Last Minute Flights from ORD to ONT

Best airfare and ticket deals for ORD to ONT flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
ORDLos AngelesMarch 30 to April 10$312
*Prices include taxes and fees

Cheapest ORD to ONT Flights

Best airfare and ticket deals for ORD to ONT flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
ORDLos AngelesApril 20 to April 24$150
ORDLos AngelesMay 29 to June 8$250
ORDLos AngelesMay 7 to May 8$250
ORDLos AngelesApril 30 to May 1$252
*Prices include taxes and fees
ORD to ONT Flight Details
Origin airport
O'Hare Intl.
Origin airport IATA code
ORD
Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Distance
1695 mi

Frequently asked questions

Which airlines with flights from ORD to ONT allow free cancellation due to COVID-19?
Just enter your preferred dates and destination, then click the green “Find the best flight deals” button. Once all the available flights are displayed, check the “No change fee” box directly under the “Flexible change policies” filter to the left. Before you go ahead and finalize your O’Hare International Airport to Los Angeles - Ontario International Airport tickets, read over the airline’s COVID-19 related rules and regulations so you’re aware of exactly what can and can’t be changed.
What airlines fly direct from Chicago, IL Airport (ORD-O'Hare Intl.) to ONT?
American Airlines (AA) and Frontier Airlines (F9) can fly you nonstop from ORD to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.). The first airline offers 30 of these services monthly, while the other provides 4 per month. Settle in, adjust your seat and head off to your destination quickly.
How many flights are there from ORD to ONT?
Approximately 78 every day. If you’re in a big hurry to fly to Los Angeles, see if you can get your hands on an epic last-minute deal from Chicago, IL Airport (ORD-O’Hare Intl.) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) and then book it right away!
How long does it take to fly from Chicago, IL Airport (ORD-O'Hare Intl.) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?
It takes about 6 hours and 12 minutes to go from Chicago, IL Airport (ORD-O’Hare Intl.) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.). That’s enough time to start your travel diary, do a bit of eleventh-hour trip planning or read about the fantastic adventures that await you in Los Angeles.
What is the flight distance from Chicago, IL Airport (ORD-O'Hare Intl.) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?
At a distance of 1700 miles (2700 km), you’ll be cruising at altitude for some time during this medium-haul journey. Need legroom? Grab an aisle seat. Otherwise, commandeer a window and peer down at the changing scenery between Chicago and Los Angeles.
How many morning flights are there from ORD to ONT?
Early risers — you’ll be delighted to hear that there are 259 morning flights from ORD to ONT per week.
  • American Airlines (AA) offers 82 weekly flights that depart before midday. The earliest one you can hop on is 5:10AM.
  • 5:25AM is the earliest time you can fly from ORD to ONT with United Airlines (UA). This company has 77 early flights every week.
  • You’ll have 33 morning flights to take your pick of if you book an airfare with Delta (DL). 5:45AM is the earliest departure time.
How many afternoon flights are there from ORD to ONT?
Take off on one of the 292 afternoon and evening flights from ORD to ONT every week.
  • United Airlines (UA) operates 86 weekly services that leave after midday. The earliest departs at 12:45PM.
  • If you’d prefer to go with American Airlines (AA), there are 83 weekly afternoon and evening flights that depart ORD from 12:15PM onward.
  • Otherwise, pack your bags and go with Southwest Airlines (WN). This airline has 49 flights per week after midday, with the earliest leaving at 12:15PM.
What is the earliest departure time out of Chicago to Los Angeles?
12:05AM is the earliest scheduled flight you can get out of ORD, touching down at ONT at 11:16PM. Save precious time in the morning by having your suitcase zipped up and ready to be bundled into your ride.
What is the latest departure time out of Chicago to Los Angeles?
The latest flight departs ORD at 9:35PM and arrives at ONT at 8:17PM. You’ll have lots of time to prepare for this trip.
What is the average price from Chicago to Los Angeles?
Round-trip journeys from ORD to ONT start from around $150. Killer deals get snapped up fast, so have your credit card handy when you find the perfect price. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Chicago to Ontario Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Chicago to Ontario to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from ORD to ONT, we’ve got you covered here at Flights.com.

We present you with some of the hottest deals on airfare so stop that Google flights search. We want you to spend less on your flight from Chicago to Ontario, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.