$112 Cheap flights from O'Hare Intl. to Los Angeles - Ontario Intl. (ORD to ONT)

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Find The Best Dates To Fly from O'Hare Intl. to Los Angeles - Ontario Intl.

Compare Flight Prices from Chicago to Ontario

Affordable Airfare Tickets from ORD to ONT Airport

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $208 round trip and $112 one way. Prices and availability subject to change. Additional terms may apply.

Sun, May 4 - Fri, May 9
ORD
Chicago
ONT
Ontario
$208 Roundtrip, found 1 day ago
$208
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, May 4 from Chicago to Ontario, returning Fri, May 9, priced at $208 found 1 day ago
Sun, May 11 - Mon, May 12
ORD
Chicago
ONT
Ontario
$212 Roundtrip, found 15 hours ago
$212
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Sun, May 11 from Chicago to Ontario, returning Mon, May 12, priced at $212 found 15 hours ago
Fri, May 16 - Mon, May 26
ORD
Chicago
ONT
Ontario
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, May 16 from Chicago to Ontario, returning Mon, May 26, priced at $224 found 1 day ago
Fri, Aug 22 - Sun, Aug 24
ORD
Chicago
ONT
Ontario
$227 Roundtrip, found 7 hours ago
$227
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Aug 22 from Chicago to Ontario, returning Sun, Aug 24, priced at $227 found 7 hours ago
Fri, May 9 - Mon, May 12
ORD
Chicago
ONT
Ontario
$228 Roundtrip, found 9 hours ago
$228
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, May 9 from Chicago to Ontario, returning Mon, May 12, priced at $228 found 9 hours ago
Fri, May 9 - Mon, May 12
ORD
Chicago
ONT
Ontario
$230 Roundtrip, found 9 hours ago
$230
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, May 9 from Chicago to Ontario, returning Mon, May 12, priced at $230 found 9 hours ago
Sun, Jun 1 - Mon, Jun 30
ORD
Chicago
ONT
Ontario
$231 Roundtrip, found 2 days ago
$231
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jun 1 from Chicago to Ontario, returning Mon, Jun 30, priced at $231 found 2 days ago
Fri, May 16 - Sun, May 18
ORD
Chicago
ONT
Ontario
$232 Roundtrip, found 8 hours ago
$232
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, May 16 from Chicago to Ontario, returning Sun, May 18, priced at $232 found 8 hours ago
Tue, May 27 - Fri, May 30
ORD
Chicago
ONT
Ontario
$236 Roundtrip, found 5 days ago
$236
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, May 27 from Chicago to Ontario, returning Fri, May 30, priced at $236 found 5 days ago
Wed, Jul 2 - Sat, Jul 12
ORD
Chicago
ONT
Ontario
$237 Roundtrip, found 3 hours ago
$237
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Jul 2 from Chicago to Ontario, returning Sat, Jul 12, priced at $237 found 3 hours ago

Los Angeles - Ontario Intl. flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Comfort Inn & Suites near Ontario Airport

Comfort Inn & Suites near Ontario Airport

2.5 out of 5
per person
May 29 - May 31
found 11 hours ago
Roundtrip flight included
Chicago (CHI) to Ontario (ONT)
Best Western Corona Hotel & Suites

Best Western Corona Hotel & Suites

3.5 out of 5
per person
Jun 1 - Jun 3
found 12 hours ago
Roundtrip flight included
Chicago (ORD) to Ontario (ONT)
Delta Hotels by Marriott Ontario Airport

Delta Hotels by Marriott Ontario Airport

3 out of 5
per person
May 30 - Jun 1
found 1 day ago
Roundtrip flight included
Chicago (CHI) to Ontario (ONT)
Holiday Inn Express & Suites Rancho Cucamonga by IHG

Holiday Inn Express & Suites Rancho Cucamonga by IHG

2.5 out of 5
per person
Jun 1 - Jun 3
found 12 hours ago
Roundtrip flight included
Chicago (ORD) to Ontario (ONT)
SpringHill Suites by Marriott Corona Riverside

SpringHill Suites by Marriott Corona Riverside

3.5 out of 5
per person
Jun 1 - Jun 3
found 12 hours ago
Roundtrip flight included
Chicago (ORD) to Ontario (ONT)
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Frequently asked questions

Can I catch a flight from O'Hare Intl. Airport (ORD) to Ontario Airport right now?
It’s always wise to find out about any travel advice reports and quarantine requirements in effect in your destination. Ensure you go to our Covid-19 Travel Advisor for up-to-date info on flying to Los Angeles - Ontario Intl. Airport (ONT).
Are there direct flights from O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT)?
Multiple airlines offer nonstop flights from O’Hare Airport to ONT. These include American Airlines and Frontier Airlines — start with them if you’d like to get to Ontario as fast as possible.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Ontario Airport, please visit our Customer Service Portal.
How long is the flight from ORD to Ontario Airport?
If you’re traveling from Chicago to Ontario, you can expect the trip to take around 6 hours and 12 minutes. If this sounds like more time than you anticipated, why not take advantage of it? Read up on where you’re headed, work on your itinerary and get as much sleep as possible before the adventure starts.
What is the flight distance from ORD to ONT?
With a flight distance of 1,700 mi between O’Hare Airport and Los Angeles - Ontario Intl. Airport (ONT), you’re going to be cruising the skies for a decent amount of time. It’s the perfect opportunity to get engrossed in a film, clear some emails or just chill out with some music.
What airlines fly from O'Hare Intl. Airport (ORD) to Ontario Airport?
If you’re heading to Ontario from Chicago, you’ll find a few airlines that fly direct. One of the most well-known is American Airlines (AA), which operates 30 flights every month. You’ll want to also pore through the deals available through Frontier Airlines (F9). This carrier operates 4 flights every month on the Chicago to Ontario route. Be sure to compare the two airlines to pick up the best fare.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Southwest Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from Chicago to Ontario

 

Traveling From
O'Hare Intl.
Traveling To
Los Angeles - Ontario Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$208

Route Info

Flight path for flights from O'Hare International Airport to LA/Ontario International Airport


Origin:
ORD - O'Hare International Airport
Destination:
ONT - LA/Ontario International Airport
Distance:
1,771.00 miles


Airlines & Aircraft Used on ORD to ONT Flight Routes


Airline Carrier
Aircraft
American Airlines
Boeing 737-400 pax
United Airlines
Aerospatiale/Alenia ATR 72

Discover our best flights from Chicago ORD to Ontario ONT. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Chicago ORD to Ontario ONT at the right price  

Airfares to Ontario ONT from Chicago ORD currently cost between $208 and $237. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Chicago ORD to Ontario ONT 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Chicago ORD to Ontario ONT on Travelocity starting at $112. Prices and availability subject to change. Additional terms may apply. 

 

Get to Ontario ONT from Chicago ORD quicker with direct flights. 

Get to Ontario faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to ONT from ORD to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Chicago ORD to Ontario ONT

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to ONT from ORD. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Chicago ORD to Ontario ONT today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from Chicago ORD to Ontario ONT. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Ontario ONT from Chicago ORD 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to ONT from ORD have this option.  

 

Travel with confidence when you book flights to Ontario ONT from Chicago ORD with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*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.