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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$126 CHEAP FLIGHTS from Ontario to Boston

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

...and more

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Cheapest round-trip

$216

Overall average: $292

Air Canada

Wed 4/1Sun 4/5

YYZ - BOS • 1 stop

Cheapest non-stop

$222

Typical prices: $237-$444

Porter Airlines

Thu 2/26Sun 3/1

YTZ - BOS • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Boston!

Flight Deals

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, Apr 1 - Sun, Apr 5

6:15 am - 9:49 am

YYZ

BOS

3h 34m

1 stop

5:30 am - 10:39 am

BOS

YYZ

5h 09m

1 stop

$216Air Canada

Thu, Apr 2 - Sun, Apr 5

6:15 am - 9:49 am

YYZ

BOS

3h 34m

1 stop

5:30 am - 10:39 am

BOS

YYZ

5h 09m

1 stop

$217Air Canada

Thu, Feb 26 - Sun, Mar 1

1:10 pm - 2:45 pm

YTZ

BOS

1h 35mnonstop

9:00 am - 10:52 am

BOS

YTZ

1h 52mnonstop

$222Porter Airlines

Tue, Mar 17 - Sun, Mar 22

12:30 am - 9:32 am

YYZ

BOS

9h 02m

2 stops

6:15 am - 8:17 am

BOS

YYZ

2h 02mnonstop

$223Air Canada

Thu, Feb 26 - Sun, Mar 1

9:30 am - 11:05 am

YTZ

BOS

1h 35mnonstop

9:00 am - 10:52 am

BOS

YTZ

1h 52mnonstop

$224Porter Airlines

Fri, Apr 10 - Mon, Apr 13

2:05 pm - 6:10 pm

YTZ

BOS

4h 05m

1 stop

3:30 pm - 10:03 pm

BOS

YTZ

6h 33m

1 stop

$225Porter Airlines

Fri, Apr 10 - Tue, Apr 21

8:20 pm - 11:19 am

YYZ

BOS

14h 59m

1 stop

7:55 pm - 2:05 pm

BOS

YYZ

18h 10m

1 stop

$233Multiple Airlines

Fri, Feb 6 - Mon, Feb 9

7:00 am - 1:13 am

YHM

BOS

42h 13m

2 stops

5:34 am - 3:00 pm

BOS

YHM

9h 26m

1 stop

$329Multiple Airlines

Sun, Apr 26 - Wed, Apr 29

6:10 pm - 3:50 pm

YHM

BOS

21h 40m

1 stop

4:45 pm - 5:10 pm

BOS

YHM

24h 25m

1 stop

$404WestJet

Mon, Mar 2 - Wed, Mar 4

9:25 am - 5:21 pm

YXU

BOS

7h 56m

2 stops

12:05 pm - 9:21 pm

BOS

YXU

9h 16m

2 stops

$661United Airlines

Useful Info

Low season	November
High season	August
Cheapest flight	$126

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly with an average 5% increase in price.

Flight from Toronto Pearson Airport to Boston

JenFlew with Porter Airlines

YTZ

BOS

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

YYZ

BOS

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

Hampton

Waltham

Warwick

Wells

Plymouth

Everett

Middletown

Gloucester

Concord

Woburn

York Beach

Revere

Brookline

Burlington

Danvers

West Yarmouth

South Portland

Braintree

Quincy

Everything you need to know for your flight to Boston

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Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Boston

Boston (BOS)

$126 Find Cheap Flights from Ontario to Boston

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

Everything you should know

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

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

FAQs for booking flights from Ontario to Boston

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.

Traveling to a place near Boston?

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

Cabin class types available on flights to Ontario

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

Find direct flights for Boston

Flights to other popular destinations

Flights from domestic origins to Boston

Choose which airport to fly into in Boston

Find deals for your return flight