ONT to ORD (Ontario to Chicago) Flights

Last Minute Flights from ONT to ORD

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTChicagoMay 4 to May 8$248
*Prices include taxes and fees

Cheapest ONT to ORD Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTChicagoMay 20 to May 28$208
ONTChicagoAugust 8 to August 12$227
ONTChicagoJune 10 to June 11$241
ONTChicagoSeptember 7 to September 7$241
*Prices include taxes and fees
ONT to ORD Flight Details
Origin airport
Los Angeles - Ontario Intl.
Origin airport IATA code
ONT
Destination airport
O'Hare Intl.
Destination airport IATA code
ORD
Distance
1695 mi

Frequently asked questions

What airlines fly direct from ONT to O'Hare Airport?
Unfortunately, you can’t fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to ORD. Find your way to Chicago by locking in a flight with one or more stops in between. If you’ve got spare time, why not spend a day or two in your layover destination?
How many flights are there from ONT to ORD?
Approximately 35 every day. If you’re in a big hurry to travel to Chicago, see if you can pick up a last-minute deal from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Chicago, IL (ORD-O’Hare Intl.) and then secure it quick!
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
It takes approximately 5 hours and 57 minutes to go from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Chicago, IL (ORD-O’Hare Intl.). That’s enough time to begin your travel blog, do some last-minute trip planning or read about the awesome things you can do in Chicago.
What is the flight distance from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
About 1,700 miles (2,700 1) separates Ontario and Chicago, making it a medium-haul flight. No fleeting trip yet no endurance race, take whatever you need to help make your flight an enjoyable one.
How many morning flights are there from ONT to ORD?
With some 137 morning flights every week from ONT to ORD to take your pick of, you’ll be leaping out of bed and jetting away in next to no time.

  • American Airlines (AA) operates around 35 weekly flights that take off before noon. The earliest one you can take is 6:00AM.
  • 5:45AM is the earliest time you can fly from ONT to ORD with Delta Air Lines (DL). This airline has 28 early flights every week.
  • Leave before noon with Alaska Airlines (AS) and you’ll have around 28 flights per week to take your pick of. 6:00AM is the first of the day from ONT to ORD.

How many afternoon flights are there from ONT to ORD?
If the words “early in the morning” just aren’t in your vocabulary, hop aboard one of the 111 weekly afternoon and evening flights from ONT to ORD.

  • Grab a ticket with American Airlines (AA), which has 38 flights each week that leave after midday. 12:50PM is the earliest of those departures.
  • If you want to lock in a seat with Delta Air Lines (DL), take your pick of 36 weekly afternoon and evening flights that depart from 12:35PM onward.
  • Otherwise, get up and go with Alaska Airlines (AS). This airline has 15 flights per week after midday, with the earliest departure at 4:41PM.

What is the earliest departure time out of Ontario to Chicago?
Take off from ONT at 12:55AM and arrive at ORD at 11:56PM. This is the earliest service you can catch on this route.
What is the latest departure time out of Ontario to Chicago?
From ONT, the latest flight departs at 11:59PM and touches down at ORD at 11:00PM. If you’re not a big fan of early mornings, this is the flight for you.
What is the average price from Ontario to Chicago?
On average, the most competitive price for a round-trip airfare from ONT to ORD is $208. Score your own bargain by reserving your tickets today. 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.

Ontario to Chicago Flights

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

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Ontario to Chicago, 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.