Cheap Flights from Chicago (ORD) to Ontario (ONT) from HK$1,250~

View HK$1,250 flight on Sat, 13 Dec 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find Cheap Flights from Chicago (ORD) to Ontario (ONT)

Prices were available within the past 7 days and start at HK$1,250 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Black Friday Sale

Limited-time deals: Save up to 50% on select hotels
Book now

Find the cheapest month to fly from Chicago (ORD) to Ontario (ONT)

February is typically the cheapest month to fly

From HK$923 - HK$3,388 per traveller.
Chicago to Ontario route information
Origin airport
O'Hare Intl.
Destination airport
Los Angeles - Ontario Intl.
Distance
2713 km
Average flight time
2 hours 36 mins

Flights from Chicago to Los Angeles

Book cheap flights from Chicago (ORD) to Los Angeles (ONT) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Chicago (ORD) to Los Angeles (ONT) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chicago (ORD) to Los Angeles (ONT) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Los Angeles flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Los Angeles and things to do in Los Angeles for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Los Angeles more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Los Angeles is HK$1,250 now!

 

Explore a world of travel with Expedia

*Available to Expedia members.