ONT - CHI Price | $173 - $468 |
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CHI Temperature | 23 - 73.4 °F |
CHI Rainfall | 1.7 - 4.9 inches |
Popular in | July | High demand for flights, 36% potential price rise |
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Cheapest in | October | Best time to find cheap flights, 42% potential price drop |
Round-trip from | $173 | From Ontario to Chicago (CHI) |
One-way from | $73 | One-way flight from Ontario to Chicago (CHI) |
Departing on a Friday is a good option for securing a great price. You can expect to save up to 33% when planning your travel around this day of the week.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 29% on flights from Ontario to Chicago compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $377. For sooner than that we have options available in the next 3 days from $481.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Chicago. Flights to Chicago from Ontario in February are about $325 on average during February, but can be found for as low as $85.
Unlike at noon, when flights are generally more expensive, you can save up to 56% on flights from Ontario to Chicago by exploring options for tickets in the morning.
Ontario
Chicago Midway
Nonstop
3h 49mChicago Midway
Ontario
Nonstop
4h 26mFrontier
Ontario
Chicago Midway
1 stop
7h 13mChicago Midway
Ontario
1 stop
15h 04mFrontier
Ontario
Chicago Midway
1 stop
6h 59mChicago Midway
Ontario
1 stop
15h 31mFrontier
Ontario
Chicago O'Hare Intl
1 stop
13h 49mChicago O'Hare Intl
Ontario
1 stop
26h 26mUnited Airlines
Ontario
Chicago O'Hare Intl
2 stops
25h 28mChicago O'Hare Intl
Ontario
2 stops
17h 11mUnited Airlines
Ontario
Chicago O'Hare Intl
1 stop
13h 49mChicago O'Hare Intl
Ontario
2 stops
13h 14mUnited Airlines
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
All the attendants were pleasant. The plane could have left on time. We wer 40 minutes late getting off the ground.
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
All the attendants were pleasant. The plane could have left on time. We wer 40 minutes late getting off the ground.
Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Chicago. You should not have trouble finding flights to Chicago from Ontario; the airport handles an average of 1 outbound flight to Chicago per day. You should also have plenty of airline options to choose from since 9 airlines have flights from the Ontario airport to Chicago. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.
Some of our airline partners flying from Ontario to Chicago have new flexible policies in place due to COVID-19. Frontier, American Airlines, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Frontier with this kind of flexibility.
Yes, there are multiple flights from Ontario to Chicago for under $200. The cheapest flight booked recently is on Frontier for just $103, but on average you can expect to pay $126.
Cheapflights has at least 20 direct flights from Ontario to Chicago under $200. A good price for a nonstop flight from Ontario to Chicago is less than $144.
There are currently 20+ open flights from Ontario to Chicago within the next 7 days for less than $200.
Cheapflights users have booked flights from Ontario to Chicago round-trip from $103. This flight start at 65% lower than the current average price 3 months from now.
Most travelers choose Ontario - Chicago O'Hare Intl, Ontario - Chicago Midway or Ontario - Chicago Greater Rockford when deciding on the best route from Ontario to Chicago.
Undisclosed Carrier, American Airlines and Alaska Airlines are the most popular airlines when flying from Ontario to Chicago.
On average you can expect to pay $663 for a flight from Ontario to Chicago. The cheapest flight overall is $79 while the most popular route, (Ontario - Chicago O'Hare Intl) is currently priced at $125.
0%of flight departures | Early morningMidnight to 6 am |
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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 |
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Monday | 1daily flight |
Tuesday | 1daily flight |
Wednesday | 1daily flight |
Thursday | 1daily flight |
Friday | 1daily flight |
Saturday | 3daily flights |