Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 321,000 hotels worldwide and 400 airlines worldwide.

Secure incredible value with Expedia's Price Guarantee.

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap ORD to ONT Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Chicago

$293.40

Orange County

$176.58

Long Beach

$248.40

Los Angeles

$148.60

Burbank

$214.00

Cheap ORD to ONT Flights

Question : What are the chances this flight will be delayed?
Answer : Passengers are currently getting to their destination on schedule 62% of the time, which ranks in the 19th percentile worldwide. If a flight is delayed, though, expect an average of 46 minutes added to your flight time.

Question : Would you be willing to change your travel days if it saved you money?
Answer : The best day to fly on a budget this month is Tuesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : Over the coming months, which airline is getting their passengers to Ontario International Airport (ONT) round-trip the cheapest?
Answer : American Airlines is the leader in keeping prices down for their passengers over the next three months. Fares are being booked at just $157 and, when compared to the more expensive bookings of $988, it's quite a deal.

Question : Do travelers from Chicago typically stay in Ontario for very long?
Answer : Over the next two months, passengers from ORD to ONT are planning on staying for five days on average.

Question : When flying into Ontario, is Ontario International Airport your cheapest option?
Answer : Luckily for you, there is another airport near Ontario. John Wayne Airport (SNA) is 30 miles away, and over the next two months flights are being booked 18% cheaper than flights to Ontario International Airport.

Question : What's the likelihood of you being delayed on this route?
Answer : ORD to ONT currently scores 1 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delay minutes. With 1 star, you should feel rather worried about getting to Ontario on time.

Question : Is the price you found a good deal?
Answer : Ranging from $157 to $988, prices for ORD to ONT do fluctuate more than most routes in the United States. Remember, you can save by booking further in advance.

Chicago to Los Angeles Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Chicago to Los Angeles will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Los Angeles.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ORD to ONT flights that won’t make your bank account wince. Ready to temporarily leave behind Chicago for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ONT with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.