$131+ Cheap flights from Ontario to O'Hare Intl (ORD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Ontario to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to O'Hare Intl
Keep the following information in mind while searching for Ontario to O'Hare Intl flight deals. Data was last updated February 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $204 (123 Milhas) |
One-way from | $131 (Mytrip) |
Popular in | December |
Cheapest in | April |
Average price | $285 |
Good round-trip deal | $270 or less |
Good one-way deal | $173 or less |
Find flight deals from Ontario to O'Hare Intl
Cheapest flights from Ontario to O'Hare IntlExplore the most affordable flight options available from Ontario to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
Explore the most affordable flight options available from Ontario to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
This 123 Milhas deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This 123 Milhas deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kissandfly.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kissandfly.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Vakatrip deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Ontario to O'Hare Intl within your budget
Customize your flight search to find flights from Ontario to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Sat 5/24
4:00 pm-8:12 pm
1 stop5h 12m
Chicago O'Hare Intl
Sat 6/7
10:40 am-5:58 pm
1 stop6h 18m
TorontoChicago
YTZ - ORD
YTZORD
Toronto Island
Sat 5/24
10:25 am-2:55 pm
1 stop5h 30m
Chicago O'Hare Intl
Sat 6/7
10:40 am-5:50 pm
1 stop6h 10m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Sat 3/22
7:55 pm-8:35 am
1 stop13h 40m
Chicago O'Hare Intl
Tue 3/25
6:25 pm-11:55 pm
2 stops28h 30m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Sat 4/26
12:45 pm-4:44 pm
1 stop4h 59m
Chicago O'Hare Intl
Wed 4/30
11:15 am-5:09 pm
1 stop4h 54m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Fri 4/18
9:45 am-4:08 pm
1 stop7h 23m
Chicago O'Hare Intl
Sat 4/19
5:00 pm-10:55 pm
1 stop4h 55m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Sat 5/3
1:15 pm-2:10 pm
Nonstop1h 55m
Chicago O'Hare Intl
Sat 5/10
9:45 am-5:20 pm
1 stop6h 35m
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Sat 3/15
3:30 pm-11:56 pm
1 stop9h 26m
Chicago O'Hare Intl
Wed 3/19
5:55 am-4:45 pm
3 stops33h 50m
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Fri 3/21
8:50 am-12:56 pm
1 stop5h 06m
Chicago O'Hare Intl
Mon 3/24
8:30 pm-1:53 am
1 stop4h 23m
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Thu 4/24
9:45 am-11:32 am
Nonstop2h 47m
Chicago O'Hare Intl
Sun 4/27
7:20 am-10:36 am
Nonstop2h 16m
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Thu 4/24
8:30 am-1:15 pm
1 stop5h 45m
Chicago O'Hare Intl
Sun 4/27
7:20 am-10:36 am
Nonstop2h 16m
Best time to book a flight from Ontario to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Ontario with our price prediction graph.
Travel insights for flights from Ontario to O'Hare Intl
Get recent, data-driven insights about flights from Ontario to O'Hare Intl including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Region of Ontario to Chicago O'Hare Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Chicago O'Hare Intl Airport (average of $245). Flying from Region of Ontario to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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.
What is the cheapest time of day to fly from ON to ORD?
Find hourly flight availability from Ontario to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.
When flying from Region of Ontario to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Region of Ontario to Chicago O'Hare Intl Airport
Explore weekly flight availability from Ontario to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 20, 2025.
The most flights from CAON to ORD are scheduled on a Thursday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (38 on average).
Rainfall in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.
Temperature in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated February 20, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Ontario to Chicago. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Comfort
Food
Entertainment
Overall
Crew
Boarding
Reviews
Aaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Ontario to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Ontario to O'Hare Intl
Discover the top 4 airlines that operate flights from Ontario to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$229 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$210 | Average$425 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$233 | Average$435 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$323 | FlexibilityNo cancel fee | On-time71% |