$110 Cheap United flights from Ontario to Chicago (ONT to ORD)

Find The Best Day To Fly from Ontario to Chicago

Amazing United ONT to ORD Flight Deals

The cheapest flights to O'Hare Intl. found within the past 7 days were $266 round trip and $110 one way. Prices and availability subject to change. Additional terms may apply.

Sun, May 26 - Wed, May 29
ONT
Ontario
ORD
Chicago
$266 Roundtrip, found 4 days ago
$266
Roundtrip
found 4 days ago
Select United flight, departing Sun, May 26 from Ontario to Chicago, returning Wed, May 29, priced at $266 found 4 days ago

ORD From ONT Economy Coach Packages on Similar Airlines

JW Marriott Chicago

JW Marriott Chicago

4.5 out of 5
per person
Jun 12 - Jun 16
Roundtrip non-stop flight included
Ontario (ONT) to Chicago (ORD)
Pendry Chicago

Pendry Chicago

4.5 out of 5
per person
Jun 12 - Jun 16
Roundtrip non-stop flight included
Ontario (ONT) to Chicago (ORD)
DoubleTree by Hilton Chicago - Magnificent Mile

DoubleTree by Hilton Chicago - Magnificent Mile

4 out of 5
per person
Jun 12 - Jun 16
Roundtrip non-stop flight included
Ontario (ONT) to Chicago (ORD)
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Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from ONT to ORD right now?
For any present O’Hare Intl. Airport (ORD) travel advice and quarantine requirements, visit the Covid-19 Travel Advisor. Look before you arrange your flight, so you don’t get caught out.
What terminal is United Airlines at Ontario Airport?
The information printed on boarding passes can vary between airlines. If you’re traveling from Los Angeles - Ontario Intl. Airport (ONT) to O’Hare Airport with United Airlines and you can’t find your terminal details, get in touch with the airline.
Are there United Airlines non-stop flights from ONT to ORD?
Expect at least one stopover when traveling from Los Angeles - Ontario Intl. Airport (ONT) to O’Hare Airport, as United Airlines doesn’t offer any direct flights between these two locations. While in transit, you might like to buy a new bestseller or a glossy magazine from the airport bookstore to make the time go quicker.
How long is a United Airlines flight from ONT to ORD?
As it’ll take an average of 5 hours and 51 minutes for your United Airlines flight to journey from ONT to O’Hare Airport, consider putting some entertaining travel games in your cabin bag. You never know — the person sitting next to you might love the opportunity to play to break up the journey.
How many direct and indirect flights does United Airlines fly from ONT to ORD?
If you want to book a journey from ONT to ORD, you can choose from about 4 United Airlines flights daily.
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 ORD, please visit our Customer Service Portal.
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.

Discover our best United flight from Ontario ONT to Chicago ORD 

To find the best deals on flights to Ontario from Chicago with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Ontario ONT to Chicago ORD with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $266 to $266, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Ontario ONT to Chicago ORD 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Ontario to Chicago costs from $110. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Chicago ORD from  Ontario ONT with United 

To find a cheap United flight from Ontario ONT to Chicago ORD, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Ontario ONT to Chicago ORD 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as May, or if you book a flight with a stopover. 

 

Find nonstop flights from Ontario ONT to Chicago ORD with United 

If you’re keen to be on Chicago soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Ontario ONT to Chicago ORD 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Chicago ORD from  Ontario ONT with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
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