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Cheap flights from Chicago to Ontario from C$ 169

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YYZ
25 Nov — 2 Dec1
1 adult

Cheap flight deals from Chicago to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 November 2024.

Find flight deals from Chicago to Ontario

Cheapest flights from Chicago to Ontario
Explore the most affordable flight options available from Chicago to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2024.

Tue 24/1211:15 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Tue 31/129:30 a.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Deal found 18/11C$ 354
Wed 18/1212:52 p.m.ORD - YYZ
Nonstop1h 53mAir Canada
Wed 25/128:00 a.m.YYZ - ORD
Nonstop1h 57mAir Canada
Deal found 18/11C$ 391
Thu 12/127:19 a.m.ORD - YYZ
Nonstop1h 39mUnited Airlines
Thu 12/1212:20 p.m.YYZ - ORD
1 stop7h 16mUnited Airlines
Deal found 20/11C$ 399
Thu 12/127:20 a.m.ORD - YTZ
1 stop6h 30mAir Canada
Sun 15/128:50 a.m.YTZ - ORD
1 stop5h 08mAir Canada
Deal found 19/11C$ 400
Thu 12/1210:51 a.m.ORD - YYZ
Nonstop1h 51mLufthansa
Sun 15/1211:00 a.m.YYZ - ORD
Nonstop1h 59mLufthansa
Deal found 20/11C$ 403
Sat 21/125:35 p.m.MDW - YTZ
Nonstop1h 42mMultiple Airlines
Tue 31/129:30 a.m.YTZ - MDW
Nonstop1h 50mMultiple Airlines
Deal found 19/11C$ 406
Wed 18/1210:22 p.m.ORD - YYZ
2 stops14h 33mMultiple Airlines
Tue 31/127:00 a.m.YYZ - ORD
1 stop25h 47mMultiple Airlines
Deal found 19/11C$ 406
Wed 18/1210:50 a.m.MDW - YYZ
1 stop26h 05mMultiple Airlines
Tue 31/127:00 a.m.YYZ - MDW
1 stop16h 33mMultiple Airlines
Deal found 19/11C$ 412
Tue 3/128:25 p.m.ORD - YUL
1 stop12h 45mAmerican Airlines
Wed 4/1212:30 p.m.YUL - ORD
Nonstop2h 55mAmerican Airlines
Deal found 19/11C$ 431
Tue 10/126:37 p.m.ORD - YTZ
2 stops17h 21mMultiple Airlines
Thu 12/128:25 a.m.YTZ - ORD
1 stop7h 20mMultiple Airlines
Deal found 19/11C$ 431
Thu 12/128:02 a.m.ORD - YYZ
1 stop7h 38mBritish Airways
Sun 15/1212:36 p.m.YYZ - ORD
1 stop8h 28mBritish Airways
Deal found 20/11C$ 434
Thu 12/1210:10 a.m.ORD - YYZ
1 stop5h 27mWestJet
Sun 15/126:30 a.m.YYZ - ORD
1 stop6h 09mWestJet
Deal found 19/11C$ 449

Find flights from Chicago to Ontario within your budget

Customize your flight search to find flights from Chicago to Ontario 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 645,034 searches. Data last updated 20 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Tue 24/12

11:15 a.m.-1:57 p.m.

Nonstop1h 42m

Toronto Island

Tue 31/12

9:30 a.m.-10:20 a.m.

Nonstop1h 50m

C$ 354

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 18/12

12:52 p.m.-3:45 p.m.

Nonstop1h 53m

Toronto Pearson Intl

Wed 25/12

8:00 a.m.-8:57 a.m.

Nonstop1h 57m

C$ 391

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 12/12

7:19 a.m.-9:58 a.m.

Nonstop1h 39m

Toronto Pearson Intl

Thu 12/12

12:20 p.m.-6:36 p.m.

1 stop7h 16m

C$ 399

ChicagoToronto

ORD - YTZ

ORDYTZ

Chicago O'Hare Intl

Thu 12/12

7:20 a.m.-2:50 p.m.

1 stop6h 30m

Toronto Island

Sun 15/12

8:50 a.m.-12:58 p.m.

1 stop5h 08m

C$ 400

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 12/12

10:51 a.m.-1:42 p.m.

Nonstop1h 51m

Toronto Pearson Intl

Sun 15/12

11:00 a.m.-11:59 a.m.

Nonstop1h 59m

C$ 403

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Sat 21/12

5:35 p.m.-8:17 p.m.

Nonstop1h 42m

Toronto Island

Tue 31/12

9:30 a.m.-10:20 a.m.

Nonstop1h 50m

C$ 406

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 18/12

10:22 p.m.-1:55 p.m.

2 stops14h 33m

Toronto Pearson Intl

Tue 31/12

7:00 a.m.-7:47 a.m.

1 stop25h 47m

C$ 406

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Wed 18/12

10:50 a.m.-1:55 p.m.

1 stop26h 05m

Toronto Pearson Intl

Tue 31/12

7:00 a.m.-10:33 p.m.

1 stop16h 33m

C$ 412

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 24/1

8:30 a.m.-12:45 a.m.

1 stop15h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 26/1

3:55 p.m.-10:02 a.m.

1 stop19h 07m

C$ 417

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 3/12

8:25 p.m.-10:10 a.m.

1 stop12h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 4/12

12:30 p.m.-2:25 p.m.

Nonstop2h 55m

C$ 431

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/11

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Best time to book a flight from Chicago to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Chicago 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 Chicago to Ontario

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

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

Currently, October is the cheapest month in which you can book a flight from Chicago to Region of Ontario (average of C$ 178). Flying from Chicago to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 CHI to ON?

Find hourly flight availability from Chicago to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 November 2024.

When flying from Chicago to Region of Ontario, 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 Chicago to Region of Ontario

Explore weekly flight availability from Chicago to Ontario. 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 20 November 2024.

The most flights from CHI to CAON are scheduled on a Monday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (46 on average).

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 20 November 2024.
Read through reviews of airlines operating flights from Chicago to Ontario, such as Air Canada, United Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good
8,756 reviews
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
288 reviews
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
389 reviews
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.4
Good
9,171 reviews
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.3
Good
2,811 reviews
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Chicago to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 169. United Airlines flights start at C$ 178 while deals on Air Canada start at C$ 185 one-way.

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

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

    Before booking your flight to Region of Ontario from Chicago, check out the most reliable airlines to get you to your destination on time: Cathay Pacific (100%), Jazz (100%), Republic Airways( 96%).

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

    The cheapest flight price from Chicago to Region of Ontario is C$ 156. On average you can expect to pay C$ 379. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for C$ 384.

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

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Chicago to Region of Ontario (average of C$ 178). Flying from Chicago to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Chicago to Ontario

Discover the top 3 airlines that operate flights from Chicago to Ontario. 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 645,034 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 184AverageC$ 471FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 198AverageC$ 483FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 305AverageC$ 426FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago to Ontario?

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.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Ontario?

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.

Can Cheapflights find flights from Chicago to Ontario with no change fees?

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.

Can Cheapflights notify me if prices for flights from Chicago to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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