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Cheap flights from Chicago-O'Hare Intl to Ontario International (ORD - ONT)

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The best prices from Chicago-O'Hare Intl to Ontario International are usually found in September or April, booked 55 days in advance, depart on a Saturday or Tuesday and return on a Saturday

+60.0%
+40.0%
+20.0%
Base
Price
$242 - $371
Most popular in June High demand for flights, 12% potential price rise
Cheapest in September Best time to find cheap flights, 3% potential price drop
Average price $242 Price for this month
Cheapest price $242 From Chicago-O'Hare Intl to Ontario International

Cheap flights from Chicago-O'Hare Intl to Ontario International in September 2019

The best prices found for ORD to ONT flights for September
24 Sep - 30 Sep
$208pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
30 Sep - 3 Oct
$226pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
28 Sep - 3 Oct
$226pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago-O'Hare Intl to Ontario International 2019 flight deals

Cheap flights to Ontario International from Chicago-O'Hare Intl found for this year
23 Oct - 24 Oct
$208pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
2 Nov - 12 Nov
$208pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
31 Oct - 9 Nov
$208pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

Last minute flights from Chicago-O'Hare Intl to Ontario International

Late deals on round-trip flights to Ontario International from Chicago-O'Hare Intl, departing today and this week
24 Sep - 30 Sep
$208pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
25 Sep - 9 Oct
$226pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
20 Sep - 23 Sep
$260pp
ORD
Chicago O'Hare Intl
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
ORD
Chicago O'Hare Intl

Destination information for Ontario International

Things to know before you go. Useful info for your trip from Chicago-O'Hare Intl to Ontario International

Airports servicing Chicago

Airports servicing Ontario

Average temperature for September in Ontario International
Avg rainfall for September in Ontario International
Over the next ten days, the expected rainfall is likely to be 3 inches less in Ontario International than in Chicago-O'Hare Intl .
The weather in Ontario International for the next ten days will be 91°F - that’s 14°F warmer than Chicago-O'Hare Intl.
As such, there are no days where direct flights are available
Which airlines fly from Chicago-O'Hare Intl to Ontario International?
There is currently 1 airline offering direct flights from Chicago-O'Hare Intl to Ontario International , American Airlines.
In the past 30 days, 26 users have been searching this flight route from Chicago-O'Hare Intl to Ontario International.