Popular in | July |
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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 44%.
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
$136 - $317
Route
Depart
Return
Price
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Thu 8/29
1 stop13h 06m
Ontario
Thu 9/5
1 stop11h 03m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Thu 9/19
1 stop12h 16m
Ontario
Sat 9/28
1 stop9h 43m
Chicago O'Hare IntlOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
Thu 8/22
1 stop24h 06m
Ontario
Wed 8/28
1 stop9h 17m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Wed 8/28
1 stop6h 26m
Ontario
Mon 9/2
1 stop9h 43m
Chicago O'Hare IntlOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
Sat 8/17
1 stop7h 48m
Ontario
Tue 8/20
1 stop6h 12m
Chicago MidwayOntario
MDW - ONT
MDWONT
Chicago Midway
Fri 8/23
1 stop6h 26m
Ontario
Sun 8/25
1 stop10h 04m
Chicago O'Hare IntlOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
Fri 8/16
1 stop15h 36m
Ontario
Mon 8/19
1 stop13h 56m
Chicago O'Hare IntlOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
Sat 8/17
1 stop6h 57m
Ontario
Tue 8/20
2 stops12h 41m
Chicago O'Hare IntlOntario
ORD - ONT
ORDONT
Chicago O'Hare Intl
Tue 7/16
1 stop7h 05m
Ontario
Tue 7/30
2 stops8h 12m
LAX Temperature | 57.2 - 73.4 °F |
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If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).
Food
Entertainment
Crew
Comfort
Boarding
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Entertainment
Crew
Comfort
Boarding
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Entertainment
Crew
Comfort
Boarding
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Entertainment
Crew
Comfort
Boarding
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Entertainment
Crew
Comfort
Boarding
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Entertainment
Crew
Comfort
Boarding
Overall
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Frontier | Cheapest$120 | Average$209 | FlexibilityNo cancel fee | On-time62% |
Spirit Airlines | Cheapest$126 | Average$247 | FlexibilityNo cancel fee | On-time65% |
Delta | Cheapest$276 | Average$398 | FlexibilityNo cancel fee | On-timeN/A |
American Airlines | Cheapest$311 | Average$388 | FlexibilityNo cancel fee | On-time71% |
United Airlines | Cheapest$312 | Average$489 | FlexibilityNo cancel fee | On-time69% |
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 |