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$140+ Cheap flights from Ontario to Chicago (CHI)

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHI
nov. 9 — nov. 161
sáb. 11/9
sáb. 11/16
1 adult, Economy
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Find flight deals from Ontario to Chicago

Cheapest flights from Ontario to Chicago
Explore the most affordable flight options available from Ontario to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 4, 2024.

This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/283:50 pmYTZ - MDW
Nonstop1h 50mPorter Airlines
lun. 12/212:05 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 11/4$225
This United Airlines deal was found by Cheapflights users on 11/3. 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.
jue. 11/283:30 pmYYZ - ORD
Nonstop1h 59mUnited Airlines
lun. 12/28:25 pmORD - YYZ
Nonstop1h 41mUnited Airlines
Deal found 11/3$239
This Air Canada deal was found by Cheapflights users on 11/3. 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.
vie. 11/292:05 pmYYZ - ORD
1 stop5h 31mAir Canada
dom. 12/17:19 amORD - YYZ
Nonstop1h 39mAir Canada
Deal found 11/3$244
This Air Canada deal was found by Cheapflights users on 11/2. 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.
sáb. 11/238:50 amYTZ - ORD
1 stop5h 08mAir Canada
sáb. 11/302:00 pmORD - YTZ
1 stop5h 43mAir Canada
Deal found 11/2$244
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/246:50 amYUL - MDW
1 stop4h 30mPorter Airlines
lun. 12/212:05 pmMDW - YUL
1 stop6h 15mPorter Airlines
Deal found 11/3$247
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/289:30 amYTZ - MDW
Nonstop1h 50mAir Transat
lun. 12/25:35 pmMDW - YTZ
Nonstop1h 42mAir Transat
Deal found 11/3$249
This Air Canada deal was found by Cheapflights users on 11/2. 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.
mié. 11/276:00 amYUL - ORD
Nonstop2h 56mAir Canada
vie. 11/292:00 pmORD - YUL
1 stop6h 48mAir Canada
Deal found 11/2$251
This Kissandfly.com deal was found by Cheapflights users on 11/3. 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.
jue. 11/285:30 pmYYZ - ORD
Nonstop2h 07mLufthansa
lun. 12/28:25 pmORD - YYZ
Nonstop1h 41mLufthansa
Deal found 11/3$252
This United Airlines deal was found by Cheapflights users on 11/2. 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.
mié. 11/276:00 amYUL - ORD
Nonstop2h 56mUnited Airlines
jue. 11/289:00 amORD - YUL
1 stop7h 50mUnited Airlines
Deal found 11/2$255
This Mytrip deal was found by Cheapflights users on 11/4. 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.
mié. 12/44:30 pmYTZ - ORD
1 stop9h 04mMultiple Airlines
mié. 12/114:19 pmORD - YTZ
1 stop15h 11mMultiple Airlines
Deal found 11/4$261
This United deal was found by Cheapflights users on 11/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/239:00 amYYZ - ORD
Nonstop2h 05mMultiple Airlines
mié. 12/251:55 pmORD - YYZ
1 stop6h 40mMultiple Airlines
Deal found 11/3$264
This Delta deal was found by Cheapflights users on 11/4. 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.
mar. 12/312:15 pmYYZ - MDW
1 stop5h 47mDelta
mar. 12/109:30 amMDW - YYZ
1 stop6h 07mDelta
Deal found 11/4$268

Find flights from Ontario to Chicago within your budget

Customize your flight search to find flights from Ontario to Chicago 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 2,455,398 searches. Data last updated noviembre 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

jue. 12/5

9:40 am-10:30 am

Nonstop1h 50m

$140

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

mar. 2/11

3:00 pm-10:55 pm

1 stop8h 55m

$141

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

vie. 11/29

3:45 pm-10:07 pm

1 stop7h 22m

$143

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

vie. 12/6

3:30 pm-4:29 pm

Nonstop1h 59m

$144

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

mar. 2/11

11:10 am-12:00 pm

Nonstop1h 50m

$152

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

sáb. 12/7

12:30 pm-5:01 pm

1 stop5h 31m

$161

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

vie. 11/22

6:15 am-7:30 am

Nonstop2h 15m

$164

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

jue. 12/5

2:55 pm-10:14 pm

1 stop8h 19m

$178

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

dom. 12/15

8:50 am-12:58 pm

1 stop5h 08m

$144

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

mié. 12/4

7:30 am-8:15 pm

1 stop13h 45m

$153

Flights are sorted by cheapest first

Deals found on 11/3

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Chicago

Get recent, data-driven insights about flights from Ontario to Chicago including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Region of Ontario to Chicago?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Chicago (average of $232). Flying from Region of Ontario to Chicago in June is currently the most expensive (average of $308). 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 CHI?

Find hourly flight availability from Ontario to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 4, 2024.

When flying from Region of Ontario to Chicago, 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

Explore weekly flight availability from Ontario to Chicago. 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 noviembre 4, 2024.

The most flights from CAON to CHI are scheduled on a Sunday (54 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (27 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago 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 when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, 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 Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated noviembre 4, 2024.
Get a feel of what it's like to fly with Air Canada, WestJet and Delta from Ontario to Chicago by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,829 reviews
Delta
8.0
Very good
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat
7.8
Good
387 reviews
Delta
8.0
Very good
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Porter Airlines
7.7
Good
293 reviews
Delta
8.0
Very good
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,226 reviews
Delta
8.0
Very good
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.3
Good
2,803 reviews
Delta
8.0
Very good
8,829 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ontario to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Region of Ontario to Chicago for under $300 on Cheapflights?

    Yes, there are multiple flights from Region of Ontario to Chicago for under $300. The cheapest flight booked recently is on Porter Airlines for just $225, but on average you can expect to pay $259.

  • Are there nonstop flights from Region of Ontario to Chicago for under $300 on Cheapflights?

    Cheapflights has at least 16 direct flights from Region of Ontario to Chicago under $300. A good price for a nonstop flight from Region of Ontario to Chicago is less than $334.

  • Are there last-minute flights available from Region of Ontario to Chicago for under $300?

    There are currently 20+ open flights from Region of Ontario to Chicago within the next 7 days for less than $300.

  • What days are nonstop flights available from Region of Ontario to Chicago?

    Nonstop flights are available for this route on the following days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

  • How many flights depart from Region of Ontario to Chicago on average per day?

    19 flight departures from Region of Ontario to Chicago per day on average.
    Early Morning (Midnight to 6am) - 5% of flight departures
    Morning (6am - Noon) - 26% of flight departures
    Afternoon (Noon - 6pm) - 68% of flight departures

  • How long is the flight from Region of Ontario to Chicago?

    For as low as $225, Porter Airlines can have you in Chicago from Region of Ontario in 1h 50m. The distance between Region of Ontario and Chicago is about 437 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Region of Ontario to Chicago one-way?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as $140. Users have also found prices from $143 and $144 on Air Canada and United Airlines, respectively.

  • What are the most popular routes from Region of Ontario to Chicago?

    While some choose either Toronto Pearson Intl - Chicago O'Hare Intl or Montreal Pierre Elliott Trudeau Intl - Chicago Midway, Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl is the most popular route from Region of Ontario to Chicago.

  • What are the most reliable airlines from Region of Ontario to Chicago?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Region of Ontario to Chicago on time: Egyptair (100%), Jazz (100%), Lufthansa (100%).

  • What are the cheapest flights from Region of Ontario to Chicago?

    On average you can expect to pay $1,019 for a flight from Region of Ontario to Chicago. The cheapest flight overall is $146 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl) is currently priced at $256.

  • What does YYZ to ORD mean?

    YYZ stands for Toronto Pearson Intl Airport, while ORD stands for Chicago O'Hare Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Ontario to Chicago that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Chicago flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Chicago with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Chicago flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to Chicago that include hotel bookings?

    Yes. In addition to deals on Ontario to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Chicago.

  • Can I find deals for business class flights from Ontario to Chicago?

    Yes. Cheapflights offers flight deals from Ontario to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Chicago that allow pets onboard?

    Many airlines flying from Ontario to Chicago offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Chicago?

    Yes, you can often find last-minute deals on Ontario to Chicago flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Region of Ontario to Chicago flight deals updated?

    The Region of Ontario to Chicago flight deals you see on this page were last updated on 11/4.

  • What is the cheapest month to book a flight from Region of Ontario to Chicago?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Chicago (average of $232). Flying from Region of Ontario to Chicago in June is currently the most expensive (average of $308). 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.

See more FAQs

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Alternative routes for Ontario to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ontario to Chicago

Discover the top 4 airlines that operate flights from Ontario to Chicago. 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 2,455,398 searches. Data last updated noviembre 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$205Average$295FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$207Average$448FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$219Average$448FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$326FlexibilityNo cancel feeOn-time71%
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