How does KAYAK find such low prices on flights from Ontario to Boston?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Boston.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Boston?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to Boston?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Boston?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$133 CHEAP FLIGHTS from Ontario to Boston

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Cheap Flights from Ontario to Boston

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Ontario to Boston

Wed, Nov 11 - Thu, Nov 19

7:20 am - 9:10 amYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$195Porter Airlines

Tue, Nov 10 - Sat, Nov 14

5:20 pm - 7:10 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$195Porter Airlines

Mon, Jan 11 - Sat, Jan 16

9:45 am - 2:53 pmYTZ Toronto Island-BOS Boston Logan Intl

5h 08m1 stop Montreal Pierre Elliott Trudeau Intl

10:25 am - 3:56 pmBOS Boston Logan Intl-YTZ Toronto Island

5h 31m1 stop Montreal Pierre Elliott Trudeau Intl

$207Air Canada

Mon, Jan 11 - Thu, Jan 14

5:30 pm - 9:28 pmYTZ Toronto Island-BOS Boston Logan Intl

3h 58m1 stop Montreal Pierre Elliott Trudeau Intl

5:30 am - 10:10 amBOS Boston Logan Intl-YTZ Toronto Island

4h 40m1 stop Montreal Pierre Elliott Trudeau Intl

$207Air Canada

Fri, Nov 13 - Mon, Nov 16

5:20 pm - 7:10 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$229Air Transat

Thu, Feb 18 - Sun, Feb 21

7:20 am - 9:10 amYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$229Air Transat

Sat, Dec 5 - Sat, Dec 12

9:45 am - 2:53 pmYTZ Toronto Island-BOS Boston Logan Intl

5h 08m1 stop Montreal Pierre Elliott Trudeau Intl

8:00 am - 9:55 amBOS Boston Logan Intl-YTZ Toronto Island

1h 55mnonstop

$231Multiple Airlines

Tue, Nov 10 - Wed, Nov 11

5:20 pm - 7:10 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$237Multiple Airlines

Tue, Nov 17 - Tue, Nov 24

10:59 am - 3:43 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

4h 44m1 stop Philadelphia

6:00 am - 10:19 amBOS Boston Logan Intl-YYZ Toronto Pearson Intl

4h 19m1 stop Philadelphia

$252American Airlines

Wed, Nov 18 - Sun, Nov 22

6:00 am - 12:20 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

6h 20m1 stop Philadelphia

6:00 am - 10:19 amBOS Boston Logan Intl-YYZ Toronto Pearson Intl

4h 19m1 stop Philadelphia

$252American Airlines

Recent last minute flight deals from Ontario to Boston

Mon, Oct 26 - Fri, Oct 30

10:25 am - 4:42 pmYTZ Toronto Island-BOS Boston Logan Intl

6h 17m1 stop Ottawa

1:15 pm - 6:28 pmBOS Boston Logan Intl-YTZ Toronto Island

5h 13m1 stop Ottawa

$293Porter Airlines

Tue, Oct 27 - Wed, Nov 11

8:00 pm - 9:32 pmYTZ Toronto Island-BOS Boston Logan Intl

1h 32mnonstop

7:50 pm - 9:44 pmBOS Boston Logan Intl-YTZ Toronto Island

1h 54mnonstop

$303Porter Airlines

Thu, Oct 22 - Thu, Oct 29

7:25 am - 9:05 amYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 40mnonstop

5:45 am - 7:50 amBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 05mnonstop

$315Multiple Airlines

Tue, Oct 27 - Tue, Nov 10

12:30 pm - 7:02 pmYTZ Toronto Island-BOS Boston Logan Intl

6h 32m1 stop Montreal Pierre Elliott Trudeau Intl

7:40 pm - 9:43 pmBOS Boston Logan Intl-YTZ Toronto Island

2h 03mnonstop

$334Air Canada

Tue, Oct 27 - Mon, Nov 9

12:30 pm - 7:02 pmYTZ Toronto Island-BOS Boston Logan Intl

6h 32m1 stop Montreal Pierre Elliott Trudeau Intl

7:40 pm - 9:43 pmBOS Boston Logan Intl-YTZ Toronto Island

2h 03mnonstop

$334Air Canada

Thu, Oct 22 - Sat, Oct 24

2:20 pm - 4:05 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 45mnonstop

5:05 pm - 6:57 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

1h 52mnonstop

$360TAP AIR PORTUGAL

Mon, Oct 26 - Mon, Nov 9

3:29 pm - 8:49 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

5h 20m1 stop New York LaGuardia

5:30 pm - 11:47 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

6h 17m1 stop Philadelphia

$412American Airlines

Mon, Oct 26 - Fri, Oct 30

6:15 am - 12:18 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

6h 03m1 stop Philadelphia

12:55 pm - 5:24 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

4h 29m1 stop Philadelphia

$419American Airlines

Sat, Oct 24 - Fri, Oct 30

7:25 am - 9:05 amYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 40mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$438Air Transat

Tue, Oct 27 - Thu, Nov 12

7:20 am - 9:10 amYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

5:25 pm - 7:35 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$468Air Transat

Recent direct flight deals from Ontario to Boston

Wed, Nov 11 - Thu, Nov 19

7:20 am - 9:10 amYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$195Porter Airlines

Tue, Nov 10 - Sat, Nov 14

5:20 pm - 7:10 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$195Porter Airlines

Fri, Nov 27 - Mon, Nov 30

8:55 pm - 10:37 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 42mnonstop

5:45 am - 7:50 amBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 05mnonstop

$223Air Canada

Wed, Dec 9 - Sun, Dec 13

8:55 pm - 10:37 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 42mnonstop

3:10 pm - 5:11 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 01mnonstop

$223Air Canada

Fri, Nov 13 - Mon, Nov 16

5:20 pm - 7:10 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$229Air Transat

Thu, Feb 18 - Sun, Feb 21

7:20 am - 9:10 amYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$229Air Transat

Tue, Nov 10 - Wed, Nov 11

5:20 pm - 7:10 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$237Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

5:20 pm - 7:10 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 50mnonstop

9:50 am - 12:00 pmBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 10mnonstop

$251Multiple Airlines

Thu, Nov 12 - Sun, Nov 15

8:35 am - 10:22 amYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 47mnonstop

5:45 am - 7:50 amBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 05mnonstop

$437United Airlines

Thu, Nov 26 - Sun, Nov 29

8:55 pm - 10:37 pmYYZ Toronto Pearson Intl-BOS Boston Logan Intl

1h 42mnonstop

5:45 am - 7:50 amBOS Boston Logan Intl-YYZ Toronto Pearson Intl

2h 05mnonstop

$438United Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$133

Best time to beat the crowds but there is an average 19% increase in price.

Most popular time to fly and prices are also 10% lower on average.

Flight from Toronto Island to Boston

JenFlew with Porter Airlines-Jan 2026

Get there SUPER EARLY, lines are long, only a few people working. Be prepared to massively overpay for luggage.

Verified travelerFlew with Air Canada-Nov 2024

Don't forget about customs at the Toronto airport--it will take 45+ minutes with the lines unless you have a special status program!

How does KAYAK find such low prices on flights from Ontario to Boston?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Boston.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Boston?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to Boston?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Ontario with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Boston?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hampton Beach

Everett

Revere

Warwick

Hampton

South Portland

Middletown

Wells

Waltham

Plymouth

Brookline

Woburn

Concord

Gloucester

Burlington

Seekonk

York Beach

Danvers

West Yarmouth

Somerville

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$133 Find Cheap Flights from Ontario to Boston - Compare and Save

Cheap Flights from Ontario to Boston

Recent round-trip flight deals from Ontario to Boston

Recent one-way flight deals from Ontario to Boston

Recent last minute flight deals from Ontario to Boston

Recent direct flight deals from Ontario to Boston

Good to know

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High season

Cheapest flight

Flights from Ontario to Boston: the best tips from KAYAK users

FAQs for booking flights from Ontario to Boston

Traveling to a place near Boston?

More options for your flight to Boston

Complete your trip to Boston with a hotel stay or car rental

Information on the airport you'll fly into in Boston

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