Popular in | July |
---|---|
Cheapest in | May |
Round-trip from | $238 |
One-way from | $70 |
Wednesday is generally a great day to depart. Flying on this day could help you save up to 47%.
Find a great deal and save up to 60% by booking at least 39 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago to Ontario within the next two weeks, with the cheapest ticket starting at $318.
Due to multiple factors, expect to potentially pay more when booking in March. For low rates, September can be a great choice for travel to Ontario. Flights to Ontario from Chicago in September are about $303 on average during September, but can be found for as low as $64.
Unlike at noon, when flights are generally more expensive, you can save up to 37% on flights from Chicago to Ontario by exploring options for tickets in the evening.
Fly from
Fly to
Budget
$137 - $298
Route
Depart
Return
Price
Chicago O'Hare IntlOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
mar. 9/3
1 stop17h 39m
Ontario
mar. 9/10
1 stop9h 17m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
mar. 9/3
1 stop7h 18m
Ontario
lun. 9/9
1 stop9h 03m
Chicago O'Hare IntlOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
jue. 8/22
1 stop17h 39m
Ontario
mar. 8/27
1 stop9h 17m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
jue. 8/22
1 stop19h 39m
Ontario
mar. 8/27
1 stop16h 33m
Chicago O'Hare IntlOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
lun. 6/10
1 stop11h 44m
Ontario
jue. 6/13
1 stop8h 54m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
lun. 6/10
1 stop5h 58m
Ontario
lun. 6/10
1 stop10h 10m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
jue. 8/29
1 stop13h 06m
Ontario
lun. 9/2
1 stop11h 03m
Chicago O'Hare IntlOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
jue. 7/4
1 stop9h 44m
Ontario
mié. 7/10
1 stop10h 07m
Chicago O'Hare IntlOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
mié. 6/26
1 stop8h 40m
Ontario
mié. 7/3
1 stop8h 29m
LAX Temperature | 57.2 - 73.4 °F |
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Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
1%of flight departures | Early morningMidnight to 6 am |
---|---|
88%of flight departures | Morning6 am to noon |
11%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
Sunday | 1daily flight |
---|---|
Monday | 3daily flights |
Tuesday | 3daily flights |
Wednesday | 3daily flights |
Thursday | 3daily flights |
Friday | 3daily flights |
Saturday | 3daily flights |
Deals for Chicago to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chicago to Ontario.
Yes, we can. To see specific flights from Chicago to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Not ready to book yet? You can track prices for flights from Chicago to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.