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Cheap flights from Chicago to Toronto from £67

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YTO
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Chicago to Toronto are usually found in September or July, booked 83 days in advance, depart on a Thursday or Monday and return on a Friday

Cheap flight deals from Chicago to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Toronto (YTO). 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 30 October 2025.

Round-trip from

£157

One-way from

£67

Popular in

January

Cheapest in

September

Average price

£226

Good one-way deal

£136 or less
United Airlines
  • United Airlines
  • 7/3-8/3
  • Nonstop
  • 3h 44m total
  • Chicago to Toronto
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Delta
  • Delta
  • 27/11
  • 1 total stop
  • 6h 33m total
  • Chicago to Toronto
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Highest demand for flights based on searches. 10% potential increase in price (£19 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a one-way flight from Chicago (CHI) to Toronto (YTO).
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Find flight deals from Chicago to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from Chicago to Toronto
Explore the most affordable flight options available from Chicago to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Mon 15/1207:10ORD - YYZ
Nonstop1h 48mUnited Airlines
Wed 14/121:00YYZ - ORD
Nonstop2h 05mUnited Airlines
Deal found 28/10£159
Sat 15/1107:10ORD - YYZ
Nonstop1h 48mMultiple Airlines
Sat 15/1113:00YYZ - ORD
1 stop8h 00mMultiple Airlines
Deal found 28/10£169
Tue 11/1106:02ORD - YYZ
1 stop4h 46mUnited Airlines
Tue 11/1115:30YYZ - ORD
Nonstop2h 22mUnited Airlines
Deal found 28/10£173
Fri 5/1208:50ORD - YYZ
1 stop6h 25mDelta
Mon 8/1215:38YYZ - ORD
1 stop3h 49mDelta
Deal found 28/10£176
Mon 17/1121:20ORD - YYZ
Nonstop1h 39mUnited Airlines
Tue 30/1217:30YYZ - ORD
Nonstop2h 20mUnited Airlines
Deal found 28/10£183
Wed 12/1118:28ORD - YYZ
Nonstop1h 53mUnited Airlines
Thu 13/1106:50YYZ - ORD
Nonstop2h 06mUnited Airlines
Deal found 29/10£184
Tue 2/1208:12ORD - YYZ
Nonstop1h 41mAmerican Airlines
Fri 5/1216:44YYZ - ORD
Nonstop2h 00mAmerican Airlines
Deal found 29/10£185
Sat 22/1118:28ORD - YYZ
Nonstop1h 53mMultiple Airlines
Wed 26/1113:00YYZ - ORD
1 stop8h 00mMultiple Airlines
Deal found 28/10£188
Mon 15/1214:30ORD - YYZ
1 stop7h 41mDelta
Fri 16/107:45YYZ - ORD
1 stop6h 22mDelta
Deal found 28/10£189
Tue 18/1113:15ORD - YYZ
1 stop5h 02mUnited Airlines
Thu 25/1221:00YYZ - ORD
Nonstop2h 05mUnited Airlines
Deal found 28/10£191

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chicago to Toronto 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 858,174 searches. Data last updated 30 October 2025.
Use the filters below to find and compare flights from Chicago to Toronto that are best for you.

Fly from

Chicago

Fly to

Toronto

Route

Depart

Return

Price

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 15/12

13:06-16:02

Nonstop1h 56m

Toronto Pearson Intl

Wed 14/1

21:00-22:05

Nonstop2h 05m

£159

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 17/12

16:50-19:45

Nonstop1h 55m

Toronto Pearson Intl

Sat 17/1

15:30-16:40

Nonstop2h 10m

£159

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 16/12

13:06-16:02

Nonstop1h 56m

Toronto Pearson Intl

Sat 17/1

06:50-08:05

Nonstop2h 15m

£159

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 15/12

18:28-21:21

Nonstop1h 53m

Toronto Pearson Intl

Tue 13/1

08:55-10:00

Nonstop2h 05m

£159

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 15/12

21:10-23:59

Nonstop1h 49m

Toronto Pearson Intl

Fri 16/1

21:00-22:05

Nonstop2h 05m

£159

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 5/1

06:00-11:48

1 stop4h 48m

Toronto Pearson Intl

Mon 12/1

15:30-16:40

Nonstop2h 10m

£166

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 16/12

06:00-11:48

1 stop4h 48m

Toronto Pearson Intl

Fri 16/1

17:30-18:50

Nonstop2h 20m

£166

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 7/1

18:17-23:46

1 stop4h 29m

Toronto Pearson Intl

Mon 12/1

17:30-18:50

Nonstop2h 20m

£166

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 8/1

08:52-14:14

1 stop4h 22m

Toronto Pearson Intl

Wed 14/1

17:30-18:50

Nonstop2h 20m

£166

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 7/1

08:45-14:14

1 stop4h 29m

Toronto Pearson Intl

Tue 13/1

17:30-18:50

Nonstop2h 20m

£166

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 20 results
1
2

Best time to book a flight from Chicago to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Chicago with our price prediction graph.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Toronto

How far ahead should I book a flight from Chicago to Toronto?

Use this chart to determine the optimal time to book a return flight from Chicago to Toronto. Price data was last updated on 24 October 2025.

The price you pay for your flight from Chicago to Toronto may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago to Toronto?

Currently, March is the cheapest month in which you can book a flight from Chicago to Toronto (average of £80). Flying from Chicago to Toronto in July is currently the most expensive (average of £131). 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 YTO?

Find hourly flight availability from Chicago to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 60% on flights from Chicago to Toronto by exploring options for tickets in the morning.

How much does it cost for a return flight from Chicago to Toronto?

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated 30 October 2025.
Read through reviews of airlines operating flights from Chicago to Toronto, such as Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,372 reviews
Check prices

Overall

7.1

Comfort

7.1

Entertainment

6.8

Food

6.3

Boarding

7.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Shawna,Sept 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
10,372 reviews
Air Canada
7.1
Good
10,372 reviews
Check prices

Overall

7.1

Comfort

7.1

Entertainment

6.8

Food

6.3

Boarding

7.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Shawna,Sept 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

Related info for your journey

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

  • How long is the flight from Chicago to Toronto?

    There are many flights that can get you from Chicago to Toronto in 1h 56m. Fly via United Airlines to get the fastest option. There are 436 mi between Chicago and Toronto. All flights are typically direct.

  • What are the most reliable airlines from Chicago to Toronto?

    No one likes to see their flight delayed. When booking a flight from Chicago to Toronto consider choosing Finnair (92%), Qatar Airways (91%) or British Airways (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago to Toronto?

    The cheapest flight price from Chicago to Toronto is £129. On average you can expect to pay £189. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for £178.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Toronto 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 Toronto?

    Currently, March is the cheapest month in which you can book a flight from Chicago to Toronto (average of £80). Flying from Chicago to Toronto in July is currently the most expensive (average of £131). 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 Chicago to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Pearson Intl flights

Fly with Cheapflights

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

When you search for this flight from Chicago to Toronto, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Chicago to Toronto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Chicago to Toronto flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Toronto from Chicago today and book when prices fit your budget.

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