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 46%.
Find a great deal and save up to 62% by booking at least 45 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 $323.
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 $304 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 35% on flights from Chicago to Ontario by exploring options for tickets in the evening.
Fly from
Fly to
Budget
$136 - $295
Route
Depart
Return
Price
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Sat 8/17
1 stop11h 08m
Ontario
Sat 8/24
1 stop9h 43m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Wed 6/5
1 stop19h 54m
Ontario
Tue 6/11
1 stop9h 07m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Tue 5/28
1 stop13h 54m
Ontario
Sat 6/8
1 stop8h 06m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Wed 5/29
1 stop20h 52m
Ontario
Wed 6/5
1 stop6h 34m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Sat 6/1
1 stop12h 29m
Ontario
Mon 6/3
1 stop10h 50m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Tue 5/28
1 stop13h 54m
Ontario
Sat 6/1
1 stop5h 40m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Sat 6/1
1 stop12h 29m
Ontario
Mon 6/3
1 stop10h 50m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Thu 5/30
1 stop20h 58m
Ontario
Tue 6/4
1 stop28h 47m
Chicago O'Hare IntlOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
Wed 5/29
2 stops10h 21m
Ontario
Tue 6/4
1 stop9h 04m
Currently, October is the cheapest month in which you can book a flight from Chicago to Ontario (average of $238). Flying from Chicago to Ontario in July is currently the most expensive (average of $338). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
January
$268
February
$287
March
$281
April
$256
May
$268
June
$330
July
$338
August
$287
September
$258
October
$238
November
$268
December
$272
LAX Temperature | 57.2 - 73.4 °F |
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Entertainment
Boarding
Food
Crew
Comfort
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Boarding
Food
Crew
Comfort
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Boarding
Food
Crew
Comfort
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Boarding
Food
Crew
Comfort
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Boarding
Food
Crew
Comfort
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Boarding
Food
Crew
Comfort
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
0%of flight departures | Early morningMidnight to 6 am |
---|---|
100%of flight departures | Morning6 am to noon |
0%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.