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>

$123 CHEAP FLIGHTS from Ontario to Boston

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

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Cheapest round-trip

$198

Typical prices: $274-$429

Air Canada

Sat 11/22Sun 11/23

YYZ - BOS • 1 stop

Cheapest non-stop

$210

Typical prices: $216-$446

Air Transat

Fri 11/21Sun 11/23

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

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.

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

Sat, Nov 22 - Sun, Nov 23

10:00 am - 2:52 pmYYZ-BOS

4h 52m1 stop

5:30 am - 1:25 pmBOS-YYZ

7h 55m2 stops

$198Air Canada

Find Deal

Fri, Nov 21 - Sun, Nov 23

8:00 am - 9:35 amYTZ-BOS

1h 35mnonstop

7:00 am - 8:55 amBOS-YTZ

1h 55mnonstop

$210Air Transat

Find Deal

Fri, Jan 9 - Sun, Jan 11

2:05 pm - 6:10 pmYTZ-BOS

4h 05m1 stop

3:30 pm - 10:03 pmBOS-YTZ

6h 33m1 stop

$213Porter Airlines

Find Deal

Sat, Nov 15 - Sun, Nov 16

4:30 pm - 6:05 pmYTZ-BOS

1h 35mnonstop

7:00 am - 8:55 amBOS-YTZ

1h 55mnonstop

$214Porter Airlines

Find Deal

Sat, Nov 22 - Sun, Nov 23

1:00 pm - 7:12 pmYYZ-BOS

6h 12m1 stop

5:30 am - 11:40 amBOS-YYZ

6h 10m1 stop

$214Air Canada

Find Deal

Fri, Jan 9 - Sun, Jan 11

7:10 am - 10:08 pmYYZ-BOS

14h 58m1 stop

6:57 pm - 2:20 pmBOS-YYZ

19h 23m2 stops

$261Multiple Airlines

Find Deal

Fri, Nov 21 - Sun, Nov 23

2:05 pm - 6:11 pmYTZ-BOS

4h 06m1 stop

7:00 am - 8:55 amBOS-YTZ

1h 55mnonstop

$268Multiple Airlines

Find Deal

Tue, Dec 2 - Sat, Dec 6

6:05 am - 12:15 pmYYZ-BOS

6h 10m1 stop

7:00 am - 1:19 pmBOS-YYZ

6h 19m1 stop

$274Delta

Find Deal

Sun, Dec 7 - Thu, Dec 11

7:00 am - 11:13 amYYZ-BOS

4h 13m1 stop

6:40 am - 11:56 amBOS-YYZ

5h 16m1 stop

$283American Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 18

6:05 am - 12:23 pmYYZ-BOS

6h 18m1 stop

9:59 am - 5:04 pmBOS-YYZ

7h 05m1 stop

$290Delta

Find Deal

Useful Info

Low season	January
High season	October
Cheapest flight	$123

Best time to beat the crowds but there is an average 26% increase in price.

Most popular time to fly and prices are also 7% lower on average.

Flight from Toronto Island 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.

Hampton Beach

Hampton

Waltham

Plymouth

Wells

Warwick

Middletown

Everett

Gloucester

Concord

York Beach

Woburn

Brookline

Revere

West Yarmouth

Danvers

Burlington

South Portland

Braintree

Quincy

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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$123 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

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