Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights


Amazing United ONT to ORD Flight Deals

The cheapest flights to O'Hare Intl. found within the past 7 days were $217 round trip and $111 one way. Prices and availability subject to change. Additional terms may apply.


FAQs about United Airlines Flights from ONT to ORD

What terminal is United Airlines at Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?

Once you've been given your ticket for your flight from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Chicago, IL Airport (ORD-O'Hare Intl.), you should be able to identify exactly which terminals United Airlines flies into and out of. If not, ask your air carrier or do some online research for that information.

Are there United Airlines non-stop flights from ONT to ORD?

United Airlines doesn't have direct flights between Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) and Chicago, IL Airport (ORD-O'Hare Intl.), so be prepared to make a stopover. If you've got time between flights, hit the airport shops while you wait for your connection.

How long is an United Airlines flight from ONT to ORD?

As it will take around 6 hours and 1 minute for your United Airlines flight to jet from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Chicago, IL Airport (ORD-O'Hare Intl.), consider putting some fun travel games in your carry-on bag. You never know — the person beside you might welcome the chance to play to break up the trip.

How many direct and indirect flights does United Airlines fly from ONT to ORD?

There are approximately 4 flights per day with United Airlines from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Chicago, IL (ORD-O'Hare Intl.).

Flying Tips & Tricks How do I find my flight number?
  • Your flight number is located in your itinerary. It's a string of numbers and letters, and it ought to be easily distinguishable.
How early can you check bags for a flight?
  • For international flights, check-in and baggage drop open around three hours prior to departure and close one hour before takeoff. For domestic flights, check-in and luggage drop open two hours ahead of departure and close 45 minutes prior to departure. These times can differ from airline to airline, so be sure to check before you get going.
*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.