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>

$110 CHEAP FLIGHTS from Ontario to Boston

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

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

Thu, Sep 11 - Sat, Sep 27

9:50 am - 11:31 amYTZ-BOS

1h 41mnonstop

7:15 am - 9:04 amBOS-YTZ

1h 49mnonstop

$173Porter Airlines

Find Deal

Sat, Sep 13 - Wed, Sep 17

5:55 pm - 7:36 pmYTZ-BOS

1h 41mnonstop

3:30 pm - 7:03 pmBOS-YTZ

3h 33m1 stop

$182Porter Airlines

Find Deal

Sun, Sep 7 - Thu, Sep 18

9:45 am - 11:29 amYYZ-BOS

1h 44mnonstop

12:15 pm - 2:03 pmBOS-YYZ

1h 48mnonstop

$202Air Canada

Find Deal

Sun, Sep 7 - Thu, Sep 18

8:15 am - 9:55 amYYZ-BOS

1h 40mnonstop

10:40 am - 12:35 pmBOS-YYZ

1h 55mnonstop

$203Air Canada

Find Deal

Tue, Jul 15 - Wed, Jul 16

7:15 am - 12:56 pmYYZ-BOS

5h 41m1 stop

6:00 am - 12:05 pmBOS-YYZ

6h 05m1 stop

$222American Airlines

Find Deal

Thu, Jul 10 - Mon, Jul 14

7:30 am - 1:39 pmYYZ-BOS

6h 09m1 stop

8:39 am - 1:47 pmBOS-YYZ

5h 08m1 stop

$235United Airlines

Find Deal

Fri, Sep 12 - Tue, Sep 16

6:15 am - 10:26 amYYZ-BOS

4h 11m1 stop

6:00 am - 11:11 amBOS-YYZ

5h 11m1 stop

$236Delta

Find Deal

Fri, Aug 1 - Tue, Aug 5

2:30 pm - 11:59 pmYYZ-BOS

9h 29m1 stop

6:07 am - 11:49 amBOS-YYZ

5h 42m1 stop

$248United Airlines

Find Deal

Tue, Jul 15 - Wed, Jul 16

7:15 am - 12:56 pmYYZ-BOS

5h 41m1 stop

6:00 am - 12:05 pmBOS-YYZ

6h 05m1 stop

$251American Airlines

Find Deal

Sat, Jul 12 - Mon, Jul 28

6:04 am - 10:55 amYYZ-BOS

4h 51m1 stop

6:05 am - 11:26 amBOS-YYZ

5h 21m1 stop

$283Delta

Find Deal

Useful Info

Low season	January
High season	August
Cheapest flight	$110

Best time to beat the crowds but there is an average 21% increase in price.

Most popular time to fly and prices are also 6% 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.

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)

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

$110 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