What are the cheapest airlines flying from Chicago to Toronto Pearson Intl Airport round-trip?

Flying on Air Canada is currently your cheapest option to Toronto Pearson Intl Airport, with prices starting at C$ 324. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at C$ 364 and C$ 384, respectively. Air Canada is 30% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Chicago to Toronto Pearson Intl Airport one-way?

One-way options have recently been found by users for as low as C$ 156 on Air Canada. Other airlines that offer cheap prices include United Airlines from C$ 167 and Delta from C$ 182 one-way.

What are the cheapest flights from Chicago to Toronto Pearson Intl Airport?

Looking at all options, your cheapest flight can be booked for C$ 142. While the most popular route (Chicago O'Hare Intl - Toronto Pearson Intl) can be booked for C$ 334 on average our data indicates C$ 449 when flying from Chicago to Toronto Pearson Intl Airport.

What are the most reliable airlines from Chicago to Toronto Pearson Intl Airport?

Consider Sun Country Air (100%), Korean Air (83%) or Air New Zealand (80%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Toronto Pearson Intl Airport.

What is the cheapest day to fly round-trip from Chicago to Toronto Pearson Intl Airport?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Chicago to Toronto Pearson Intl Airport?

Our data shows that April tends to be the cheapest month to fly to Toronto Pearson Intl Airport from Chicago. Users have commonly found prices around C$ 442 for the month, but tickets can be as low as C$ 283. Due to multiple factors, prepare for potentially higher prices in March.

Can I find deals for flights from Chicago to Pearson Intl that include hotel bookings?

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

How can I find direct flights from Chicago to Pearson Intl?

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

Can I find deals for business class flights from Chicago to Pearson Intl?

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

C$ 149+ Flights from Chicago to Toronto Pearson Intl Airport

Cheapflights Tip: The best prices from Chicago to Toronto Pearson Intl are usually found in October or August, booked 47 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Chicago to Pearson Intl

Round-trip from	C$ 324
One-way from	C$ 149
Popular in	November
Cheapest in	October
Average price	C$ 490
Good round-trip deal	C$ 386 or less
Good one-way deal	C$ 174 or less

Air Canada
11/5-18/5
Nonstop
3h 41m total
Chicago to Toronto

Search Deals

2/4
1 total stop
9h 07m total
Chicago to Toronto

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (C$ 6 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Chicago (CHI) to Toronto Pearson Intl.

Search Deals

Price to beat on a one-way flight from Chicago (CHI) to Toronto Pearson Intl.

Search Deals

Find flight deals from Chicago to Pearson Intl

Cheapest flights from Chicago to Pearson Intl
Explore the most affordable flight options available from Chicago to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.

Sat 10/58:40 a.m.ORD - YYZ

1 stop5h 54mAir Canada

Sat 17/56:15 a.m.YYZ - ORD

1 stop4h 37mAir Canada

Deal found 26/3C$ 320

Thu 3/47:21 p.m.ORD - YYZ

1 stop27h 34mMultiple Airlines

Tue 8/47:05 a.m.YYZ - ORD

1 stop27h 19mMultiple Airlines

Deal found 26/3C$ 360

Tue 29/410:30 a.m.ORD - YYZ

1 stop5h 48mDelta

Wed 28/512:15 p.m.YYZ - ORD

1 stop5h 15mDelta

Deal found 26/3C$ 364

Tue 13/59:20 a.m.MDW - YYZ

1 stop8h 11mDelta

Wed 11/63:31 p.m.YYZ - MDW

1 stop4h 14mDelta

Deal found 26/3C$ 364

Fri 2/58:50 a.m.ORD - YYZ

1 stop4h 29mUnited Airlines

Fri 2/54:30 p.m.YYZ - ORD

Nonstop1h 54mUnited Airlines

Deal found 26/3C$ 384

Sat 19/46:01 p.m.ORD - YYZ

Nonstop1h 43mLufthansa

Sun 20/412:20 p.m.YYZ - ORD

Nonstop1h 55mLufthansa

Deal found 26/3C$ 393

Mon 21/45:14 p.m.ORD - YYZ

1 stop4h 39mAmerican Airlines

Fri 25/43:14 p.m.YYZ - ORD

Nonstop1h 55mAmerican Airlines

Deal found 26/3C$ 440

Mon 21/46:35 a.m.ORD - YYZ

1 stop4h 24mWestJet

Fri 25/412:15 p.m.YYZ - ORD

1 stop4h 53mWestJet

Deal found 26/3C$ 467

Sat 12/44:10 p.m.MDW - YYZ

1 stop6h 49mMultiple Airlines

Tue 15/47:25 p.m.YYZ - MDW

1 stop10h 58mMultiple Airlines

Deal found 27/3C$ 500

Sat 19/49:52 a.m.MDW - YYZ

1 stop13h 03mWestJet

Sun 20/46:30 a.m.YYZ - MDW

1 stop8h 52mWestJet

Deal found 27/3C$ 505

Best flights from Chicago to Pearson Intl
Discover carefully curated flight deals from Chicago to Pearson Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 March 2025.

Sun 11/56:30 p.m.ORD - YYZ

Nonstop1h 46mAir Canada

Sun 18/56:35 p.m.YYZ - ORD

Nonstop1h 55mAir Canada

Deal found 27/3C$ 324

Mon 12/55:20 p.m.ORD - YYZ

1 stop26h 48mMultiple Airlines

Mon 19/58:20 a.m.YYZ - ORD

1 stop9h 05mMultiple Airlines

Deal found 28/3C$ 359

Tue 13/56:24 a.m.ORD - YYZ

1 stop4h 16mDelta

Wed 21/56:30 a.m.YYZ - ORD

1 stop7h 11mDelta

Deal found 26/3C$ 364

Sat 6/97:10 a.m.ORD - YYZ

1 stop5h 33mUnited Airlines

Sat 6/95:15 p.m.YYZ - ORD

Nonstop1h 57mUnited Airlines

Deal found 27/3C$ 384

Mon 21/45:14 p.m.ORD - YYZ

1 stop4h 39mAmerican Airlines

Fri 25/43:14 p.m.YYZ - ORD

Nonstop1h 55mAmerican Airlines

Deal found 26/3C$ 440

Sat 19/49:52 a.m.MDW - YYZ

1 stop13h 03mWestJet

Sun 20/46:30 a.m.YYZ - MDW

1 stop8h 52mWestJet

Deal found 27/3C$ 505

Tue 13/59:20 a.m.MDW - YYZ

1 stop8h 11mDelta

Wed 11/63:31 p.m.YYZ - MDW

1 stop4h 14mDelta

Deal found 26/3C$ 364

Sat 12/44:10 p.m.MDW - YYZ

1 stop6h 49mMultiple Airlines

Tue 15/47:25 p.m.YYZ - MDW

1 stop10h 58mMultiple Airlines

Deal found 27/3C$ 500

Fri 18/46:45 a.m.ORD - YYZ

1 stop3h 40mWestJet

Mon 21/48:00 p.m.YYZ - ORD

2 stops15h 03mWestJet

Deal found 27/3C$ 520

Direct flights from Chicago to Pearson Intl
Explore direct flight options from Chicago to Pearson Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 March 2025.

Sun 11/56:30 p.m.ORD - YYZ

Nonstop1h 46mAir Canada

Sun 18/56:35 p.m.YYZ - ORD

Nonstop1h 55mAir Canada

Deal found 27/3C$ 324

Wed 14/512:00 p.m.ORD - YYZ

Nonstop1h 38mUnited Airlines

Wed 14/55:30 p.m.YYZ - ORD

Nonstop2h 00mUnited Airlines

Deal found 28/3C$ 403

Mon 21/48:30 p.m.ORD - YYZ

Nonstop1h 55mAmerican Airlines

Thu 24/43:14 p.m.YYZ - ORD

Nonstop1h 55mAmerican Airlines

Deal found 26/3C$ 442

Sat 20/96:30 p.m.ORD - YYZ

Nonstop1h 42mMultiple Airlines

Tue 23/92:45 p.m.YYZ - ORD

Nonstop2h 03mMultiple Airlines

Deal found 27/3C$ 725

Thu 10/49:55 a.m.ORD - YYZ

Nonstop1h 40mJapan Airlines

Fri 18/41:15 p.m.YYZ - ORD

Nonstop1h 55mJapan Airlines

Deal found 27/3C$ 765

Last-minute flights from Chicago to Pearson Intl
Discover last-minute flight deals from Chicago to Pearson Intl. Data last updated 28 March 2025 and is based on user searches.

Thu 3/47:21 p.m.ORD - YYZ

1 stop27h 34mMultiple Airlines

Tue 8/47:05 a.m.YYZ - ORD

1 stop27h 19mMultiple Airlines

Deal found 26/3C$ 360

Fri 4/41:48 p.m.ORD - YYZ

1 stop9h 07mMultiple Airlines

Mon 7/411:20 a.m.YYZ - ORD

1 stop22h 35mMultiple Airlines

Deal found 27/3C$ 420

Fri 4/44:00 p.m.ORD - YYZ

Nonstop1h 45mAir Canada

Sun 6/42:30 p.m.YYZ - ORD

1 stop9h 59mAir Canada

Deal found 27/3C$ 603

Sat 5/44:10 p.m.MDW - YYZ

1 stop6h 49mMultiple Airlines

Mon 7/411:20 a.m.YYZ - MDW

1 stop9h 26mMultiple Airlines

Deal found 27/3C$ 536

Sat 5/411:10 a.m.ORD - YYZ

1 stop4h 04mWestJet

Tue 8/49:30 a.m.YYZ - ORD

2 stops8h 57mWestJet

Deal found 28/3C$ 876

Mon 7/44:41 p.m.ORD - YYZ

Nonstop1h 56mUnited Airlines

Wed 16/411:00 a.m.YYZ - ORD

Nonstop2h 03mUnited Airlines

Deal found 27/3C$ 630

Mon 7/42:57 p.m.MDW - YYZ

1 stop3h 10mDelta

Wed 16/46:30 a.m.YYZ - MDW

1 stop8h 52mDelta

Deal found 27/3C$ 666

Mon 7/410:36 a.m.MDW - YYZ

2 stops11h 54mWestJet

Wed 16/412:54 p.m.YYZ - MDW

1 stop5h 25mWestJet

Deal found 27/3C$ 808

Sat 12/44:10 p.m.MDW - YYZ

1 stop6h 49mMultiple Airlines

Tue 15/47:25 p.m.YYZ - MDW

1 stop10h 58mMultiple Airlines

Deal found 27/3C$ 500

Fri 18/47:20 a.m.ORD - YYZ

1 stop5h 19mAir Canada

Sun 20/42:05 p.m.YYZ - ORD

1 stop5h 49mAir Canada

Deal found 27/3C$ 327

Sat 19/46:01 p.m.ORD - YYZ

Nonstop1h 43mLufthansa

Sun 20/412:20 p.m.YYZ - ORD

Nonstop1h 55mLufthansa

Deal found 26/3C$ 393

Sat 19/45:59 p.m.MDW - YYZ

1 stop3h 56mDelta

Sun 20/46:00 a.m.YYZ - MDW

1 stop7h 35mDelta

Deal found 28/3C$ 433

One-way flights from Chicago to Pearson Intl
Search for one-way flight options from Chicago to Pearson Intl. Find affordable one-way fares based on user searches. Data last updated 28 March 2025.

Wed 2/41:48 p.m.ORD - YYZ

1 stop9h 07mMultiple Airlines

Deal found 26/3C$ 149

Mon 12/512:00 p.m.ORD - YYZ

Nonstop1h 38mAir Canada

Deal found 28/3C$ 156

Thu 24/47:10 a.m.ORD - YYZ

Nonstop1h 48mUnited Airlines

Deal found 28/3C$ 167

Thu 24/410:30 a.m.ORD - YYZ

1 stop3h 39mDelta

Deal found 27/3C$ 182

Fri 18/43:02 p.m.MDW - YYZ

1 stop6h 53mDelta

Deal found 28/3C$ 182

Wed 2/43:00 p.m.MDW - YYZ

1 stop7h 55mMultiple Airlines

Deal found 26/3C$ 189

Mon 21/48:30 p.m.ORD - YYZ

Nonstop1h 55mAmerican Airlines

Deal found 28/3C$ 206

Thu 24/46:35 a.m.ORD - YYZ

2 stops15h 58mWestJet

Deal found 27/3C$ 233

Fri 30/59:20 a.m.MDW - YYZ

1 stop12h 54mWestJet

Deal found 27/3C$ 234

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago to Toronto Pearson Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sun 11/5

6:30 p.m.-9:16 p.m.

Nonstop1h 46m

Toronto Pearson Intl

Sun 18/5

6:35 p.m.-7:30 p.m.

Nonstop1h 55m

C$ 324

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 12/5

5:20 p.m.-9:08 p.m.

1 stop26h 48m

Toronto Pearson Intl

Mon 19/5

8:20 a.m.-4:25 p.m.

1 stop9h 05m

C$ 359

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 13/5

6:24 a.m.-11:40 a.m.

1 stop4h 16m

Toronto Pearson Intl

Wed 21/5

6:30 a.m.-12:41 p.m.

1 stop7h 11m

C$ 364

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Tue 13/5

9:20 a.m.-6:31 p.m.

1 stop8h 11m

Toronto Pearson Intl

Wed 11/6

3:31 p.m.-6:45 p.m.

1 stop4h 14m

C$ 364

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 6/9

7:10 a.m.-1:43 p.m.

1 stop5h 33m

Toronto Pearson Intl

Sat 6/9

5:15 p.m.-6:12 p.m.

Nonstop1h 57m

C$ 384

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 21/4

5:14 p.m.-10:53 p.m.

1 stop4h 39m

Toronto Pearson Intl

Fri 25/4

3:14 p.m.-4:09 p.m.

Nonstop1h 55m

C$ 440

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Sat 12/4

4:10 p.m.-11:59 p.m.

1 stop6h 49m

Toronto Pearson Intl

Tue 15/4

7:25 p.m.-5:23 a.m.

1 stop10h 58m

C$ 500

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Sat 19/4

9:52 a.m.-11:55 p.m.

1 stop13h 03m

Toronto Pearson Intl

Sun 20/4

6:30 a.m.-2:22 p.m.

1 stop8h 52m

C$ 505

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 18/4

6:45 a.m.-11:25 a.m.

1 stop3h 40m

Toronto Pearson Intl

Mon 21/4

8:00 p.m.-10:03 a.m.

2 stops15h 03m

C$ 520

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 2/4

1:48 p.m.-11:55 p.m.

1 stop9h 07m

C$ 149

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/3

Showing 1-10 of 18 results

Best time to book a flight from Chicago to Pearson Intl

Have a flexible travel schedule? Discover the best time to fly to Pearson Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Toronto Pearson Intl Airport

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

The price you pay for your flight from Chicago to Toronto Pearson Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 47 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 Pearson Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Chicago to Toronto Pearson Intl Airport (average of C$ 167). Flying from Chicago to Toronto Pearson Intl Airport 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 YYZ?

It’s typically best to fly out from Chicago to Toronto Pearson Intl Airport in the afternoon. Doing so could potentially save you 7% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Chicago to Toronto Pearson Intl Airport?

Travelers seeking maximum savings on their Chicago to Toronto Pearson Intl Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Toronto Pearson Intl Airport

The most flights from CHI to YYZ are scheduled on a Friday (55 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Pearson Intl by month

In terms of precipitation, rainfall in Toronto Pearson Intl Airport 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 Toronto Pearson Intl Airport when rainfall is around 51.0 mm.

Temperature in Pearson Intl by month

If weather is an important factor for your trip to Toronto Pearson 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 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 Pearson Intl

Read through reviews of airlines operating flights from Chicago to Toronto, such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta

8.0

Very good

7,897 reviews

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

WestJet

7.2

Good

2,785 reviews

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Air Canada

7.0

Good

8,981 reviews

Delta

8.0

Very good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Related info for your journey

What are the cheapest airlines flying from Chicago to Toronto Pearson Intl Airport round-trip?
Flying on Air Canada is currently your cheapest option to Toronto Pearson Intl Airport, with prices starting at C$ 324. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at C$ 364 and C$ 384, respectively. Air Canada is 30% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Chicago to Toronto Pearson Intl Airport one-way?
One-way options have recently been found by users for as low as C$ 156 on Air Canada. Other airlines that offer cheap prices include United Airlines from C$ 167 and Delta from C$ 182 one-way.
What are the most reliable airlines from Chicago to Toronto Pearson Intl Airport?
Consider Sun Country Air (100%), Korean Air (83%) or Air New Zealand (80%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Toronto Pearson Intl Airport.
What are the cheapest flights from Chicago to Toronto Pearson Intl Airport?
Looking at all options, your cheapest flight can be booked for C$ 142. While the most popular route (Chicago O'Hare Intl - Toronto Pearson Intl) can be booked for C$ 334 on average our data indicates C$ 449 when flying from Chicago to Toronto Pearson Intl Airport.
Can I find deals for flights from Chicago to Pearson Intl that include hotel bookings?
Yes. In addition to deals on Chicago to Pearson Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Chicago to Pearson Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Pearson Intl.
Can I find deals for business class flights from Chicago to Pearson Intl?
Yes. Cheapflights offers flight deals from Chicago to Pearson Intl 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 Pearson Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Chicago to Toronto Pearson Intl Airport (average of C$ 167). Flying from Chicago to Toronto Pearson Intl Airport 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

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Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Chicago to Pearson Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 195	AverageC$ 501	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 208	AverageC$ 489	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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How does Cheapflights help users find flights from Chicago to Pearson Intl?

Cheapflights helps you search for flights from Chicago to Pearson Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Chicago to Pearson Intl 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 Pearson Intl with no change fees?

Yes, we can. To see specific flights from Chicago to Pearson Intl 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 Pearson Intl become cheaper?

Yes! Start tracking prices for Chicago to Pearson Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Chicago to Toronto Pearson Intl Airport from C$ 149

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Chicago to Toronto Pearson Intl are usually found in October or August, booked 47 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Chicago to Pearson Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Chicago to Pearson Intl

Cheapest flights from Chicago to Pearson IntlExplore the most affordable flight options available from Chicago to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.

Explore the most affordable flight options available from Chicago to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago to Toronto Pearson Intl Airport that are best for you.

Best time to book a flight from Chicago to Pearson Intl

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

Cheapflights Insights

Everything you need to know about your flight from Chicago to Toronto Pearson Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Pearson Intl. Price data was last updated on 21 March 2025.

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

What is the cheapest time of day to fly from CHI to YYZ?

Find hourly flight availability from Chicago to Pearson Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 March 2025.

What is the cheapest day to fly from Chicago to Toronto Pearson Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Pearson Intl. Price data was last updated on 16 December 2024.

Weekly flight availability from Chicago to Toronto Pearson Intl Airport

Explore weekly flight availability from Chicago to Pearson 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 28 March 2025.

Rainfall in Pearson Intl by month

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

Temperature in Pearson Intl by month

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

Reviews of airlines servicing Pearson Intl

Read through reviews of airlines operating flights from Chicago to Toronto, such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Pearson Intl. 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 flying from Chicago to Toronto Pearson Intl Airport round-trip?

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Top 2 airlines flying from Chicago to Pearson Intl

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Cheapest flights from Chicago to Pearson Intl
Explore the most affordable flight options available from Chicago to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.