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>

$127 CHEAP FLIGHTS from Ontario to Boston

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

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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

Wed, Oct 1 - Sun, Oct 5

8:20 pm - 10:01 pmYTZ-BOS

1h 41mnonstop

8:20 pm - 10:09 pmBOS-YTZ

1h 49mnonstop

$201Porter Airlines

Find Deal

Tue, Nov 25 - Wed, Dec 3

11:05 am - 12:40 pmYTZ-BOS

1h 35mnonstop

10:20 am - 12:19 pmBOS-YTZ

1h 59mnonstop

$202Porter Airlines

Find Deal

Wed, Sep 17 - Sun, Sep 21

12:30 am - 9:30 amYYZ-BOS

9h 00m2 stops

6:00 am - 11:39 amBOS-YYZ

5h 39m1 stop

$204Air Canada

Find Deal

Mon, Oct 20 - Wed, Oct 22

3:25 pm - 9:25 pmYTZ-BOS

6h 00m1 stop

10:20 am - 6:46 pmBOS-YTZ

8h 26m2 stops

$206Air Canada

Find Deal

Thu, Oct 2 - Sun, Oct 5

8:25 am - 2:30 pmYTZ-BOS

6h 05m1 stop

9:20 am - 11:09 amBOS-YTZ

1h 49mnonstop

$207

Find Deal

Thu, Oct 2 - Sun, Oct 5

12:25 pm - 5:55 pmYTZ-BOS

5h 30m1 stop

9:20 am - 11:09 amBOS-YTZ

1h 49mnonstop

$216

Find Deal

Thu, Nov 27 - Mon, Dec 1

8:30 pm - 10:05 pmYTZ-BOS

1h 35mnonstop

7:05 am - 9:04 amBOS-YTZ

1h 59mnonstop

$233Air Transat

Find Deal

Sat, Sep 20 - Sat, Sep 20

7:30 am - 12:18 pmYYZ-BOS

4h 48m1 stop

3:20 pm - 8:44 pmBOS-YYZ

5h 24m1 stop

$240United Airlines

Find Deal

Thu, Oct 9 - Thu, Oct 16

7:30 am - 3:13 pmYYZ-BOS

7h 43m1 stop

8:00 am - 1:47 pmBOS-YYZ

5h 47m1 stop

$242United Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

5:00 pm - 6:28 pmYOW-BOS

1h 28mnonstop

3:30 pm - 4:59 pmBOS-YOW

1h 29mnonstop

$337Air Transat

Find Deal

Useful Info

Low season	January
High season	August
Cheapest flight	$127

Best time to beat the crowds but there is an average 14% increase in price.

Most popular time to fly with an average 15% increase in price.

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

Wells

Plymouth

Waltham

Middletown

Warwick

Everett

Gloucester

Concord

Woburn

York Beach

Brookline

West Yarmouth

Danvers

Burlington

Revere

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.

$127 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

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