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>

$119 CHEAP FLIGHTS from Ontario to Boston

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Cheap Flights from Ontario to Boston

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Ontario to Boston

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to Boston.

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

9:50 am - 11:31 amYTZ-BOS

1h 41mnonstop

8:45 am - 1:37 pmBOS-YTZ

4h 52m1 stop

$187Porter Airlines

Find Deal

Thu, Jul 3 - Mon, Jul 7

7:50 pm - 9:31 pmYTZ-BOS

1h 41mnonstop

8:45 am - 1:37 pmBOS-YTZ

4h 52m1 stop

$190Porter Airlines

Find Deal

Thu, Jun 26 - Mon, Jul 7

9:45 am - 11:28 amYYZ-BOS

1h 43mnonstop

5:50 am - 11:40 amBOS-YYZ

5h 50m1 stop

$250Air Canada

Find Deal

Fri, Jun 13 - Fri, Jun 20

9:00 am - 2:32 pmYYZ-BOS

5h 32m1 stop

10:40 am - 12:34 pmBOS-YYZ

1h 54mnonstop

$252Air Canada

Find Deal

Thu, May 22 - Tue, May 27

6:03 am - 11:50 amYYZ-BOS

5h 47m1 stop

6:05 am - 11:20 amBOS-YYZ

5h 15m1 stop

$256Delta

Find Deal

Tue, May 13 - Sat, May 17

9:50 am - 11:31 amYTZ-BOS

1h 41mnonstop

6:55 pm - 8:44 pmBOS-YTZ

1h 49mnonstop

$266Air Transat

Find Deal

Thu, May 22 - Sun, May 25

6:15 am - 12:18 pmYYZ-BOS

6h 03m1 stop

11:00 am - 4:14 pmBOS-YYZ

5h 14m1 stop

$267Delta

Find Deal

Fri, Jun 6 - Mon, Jun 9

1:25 pm - 3:06 pmYTZ-BOS

1h 41mnonstop

6:55 pm - 8:44 pmBOS-YTZ

1h 49mnonstop

$277

Find Deal

Tue, Jul 8 - Tue, Jul 8

5:55 pm - 7:36 pmYTZ-BOS

1h 41mnonstop

7:15 am - 9:04 amBOS-YTZ

1h 49mnonstop

$278Air Transat

Find Deal

Sat, Jun 14 - Sat, Jun 21

12:00 pm - 6:08 pmYTZ-BOS

6h 08m1 stop

3:20 pm - 9:35 pmBOS-YTZ

6h 15m1 stop

$282

Find Deal

Thu, May 22 - Sun, May 25

Useful Info

Low season	January
High season	August
Cheapest flight	$119

Best time to beat the crowds but there is an average 23% increase in price.

Most popular time to fly and prices are also 5% lower on average.

Flight from Toronto Island to Boston

GuyFlew with Air CanadaYYZ-BOSMar 2025

Make sure if you pay for comfort class that you don’t get put in economy.

Verified travelerFlew with Air CanadaYYZ-BOSNov 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.

Everett

Burlington

West Warwick

Marblehead

Barnstable

Winthrop

Everything you need to know for your flight to Boston

Airports

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)

$119 Find Cheap Flights from Ontario to Boston

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

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