Important: This destination may have COVID-19 travel restrictions in place, including specific restrictions for lodging. Check any national, local, and health advisories for this destination before you book.

United Flights from Ontario (ONT) to Chicago (ORD) from $167

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

Change your flight without a fee on select flights

Find The Best Day To Fly from Ontario to Chicago

Flexible dates

Amazing United ONT to ORD Flight Deals

The cheapest flights to O'Hare Intl. found within the past 7 days were $303 round trip and $167 one way. Prices and availability subject to change. Additional terms may apply.

ORD From ONT Economy Coach Packages on Similar Airlines

Hyatt Regency Chicago
Residence Inn Chicago Downtown/Loop
Fairmont Chicago at Millennium Park
Don't see what you're looking for?
See all available trips from Los Angeles - Ontario Intl. to O'Hare Intl.
View all trips
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

Travelers ❤️ these 🏨 after their flight to Chicago

Hilton Chicago O'Hare Airport
Hilton Chicago O'Hare Airport
4 out of 5
Ohare International Airport, Chicago, IL
The price is $123 per night from Aug 28 to Aug 28
This hotel features 2 restaurants, an indoor pool, and a fitness center. Traveling on business? Take advantage of the business center, free WiFi in public areas, ...
3.8/5Good! (45 reviews)
"Clean and excellent service."

Reviewed on Jun 19, 2021

Hilton Chicago O'Hare Airport
Crowne Plaza Hotel Chicago O'Hare, an IHG Hotel
Crowne Plaza Hotel Chicago O'Hare, an IHG Hotel
3.5 out of 5
5440 N River Rd, Rosemont, IL
The price is $123 per night from Aug 5 to Aug 5
This hotel features a restaurant, an indoor pool, and a bar/lounge. Traveling on business? Take advantage of the business center and free WiFi in public areas. ...
3.9/5Very Good! (34 reviews)
"Location and most importantly cleanliness and the food service Grab and Go that is great idea also the person preparing the food has excellent customer service 👍Thank you"

Reviewed on Dec 20, 2020

Crowne Plaza Hotel Chicago O'Hare, an IHG Hotel
Sonesta Chicago O'Hare Airport Rosemont
Sonesta Chicago O'Hare Airport Rosemont
3 out of 5
10233 W Higgins Rd, Rosemont, IL
The price is $134 per night from Aug 2 to Aug 2
This hotel features a restaurant, a fitness center, and a bar/lounge. Traveling on business? Take advantage of the business center, free WiFi in public areas, ...
4.4/5Excellent! (31 reviews)
"No"

Reviewed on Jul 28, 2021

Sonesta Chicago O'Hare Airport Rosemont
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.
*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.