How does KAYAK find such low prices on flights from Massachusetts to Ontario?

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 Massachusetts to Ontario. 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 Massachusetts to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Massachusetts 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 Massachusetts to Ontario?

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 Ontario with an airline and back to Massachusetts 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 Massachusetts to Ontario?

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 Ontario from Massachusetts 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>

$91 CHEAP FLIGHTS from Massachusetts to Ontario

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Cheap Flight Deals from Massachusetts to Ontario

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Massachusetts to Ontario 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

Recent round-trip flight deals from Massachusetts to Ontario

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Massachusetts to Ontario.

Discover the best prices and deals for you by selecting your travel dates.

Choose your dates

12:29 pm - 6:40 pmBOS-ONT

9h 11m1 stop

6:47 pm - 12:07 pmONT-BOS

14h 20m1 stop

$197Frontier

Find Deal

Thu, Apr 24 - Sat, May 3

12:29 pm - 6:40 pmBOS-ONT

9h 11m1 stop

6:47 pm - 12:07 pmONT-BOS

14h 20m1 stop

$270Frontier

Find Deal

Sun, Apr 27 - Sat, May 3

12:15 pm - 9:22 pmBOS-ONT

12h 07m1 stop

10:40 pm - 11:42 amONT-BOS

10h 02m1 stop

$271JetBlue

Find Deal

Wed, May 7 - Sun, May 11

7:00 am - 3:32 pmBOS-ONT

11h 32m1 stop

6:47 pm - 12:07 pmONT-BOS

14h 20m1 stop

$294

Find Deal

Sat, May 3 - Wed, May 7

2:45 pm - 9:25 pmBOS-ONT

9h 40m1 stop

10:40 pm - 11:42 amONT-BOS

10h 02m1 stop

$300JetBlue

Find Deal

Thu, May 1 - Sun, May 4

6:00 am - 5:43 pmBOS-ONT

14h 43m1 stop

7:17 pm - 7:52 amONT-BOS

9h 35m1 stop

$304

Find Deal

Mon, Mar 24 - Thu, Mar 27

2:26 pm - 9:58 pmBOS-ONT

10h 32m2 stops

1:14 pm - 6:00 amONT-BOS

13h 46m1 stop

$312American Airlines

Find Deal

Sat, May 3 - Wed, May 7

6:45 am - 6:23 pmBOS-ONT

14h 38m1 stop

11:59 pm - 12:07 pmONT-BOS

9h 08m1 stop

$313American Airlines

Find Deal

Tue, May 13 - Mon, May 19

9:30 am - 11:59 pmBOS-ONT

17h 29m1 stop

6:00 am - 11:59 pmONT-BOS

14h 59m1 stop

$316Alaska Airlines

Find Deal

Sat, Mar 22 - Wed, Mar 26

9:30 am - 6:23 pmBOS-ONT

11h 53m1 stop

11:33 am - 11:59 pmONT-BOS

9h 26m1 stop

$362Alaska Airlines

Find Deal

Mon, Mar 31 - Mon, Apr 7

Low season	January
High season	March
Cheapest flight	$91

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

Most popular time to fly with an average 11% increase in price.

Flight from Boston to Ontario

How does KAYAK find such low prices on flights from Massachusetts to Ontario?
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 Massachusetts to Ontario.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Ontario?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Massachusetts 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 Massachusetts to Ontario?
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 Ontario with an airline and back to Massachusetts with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Ontario?
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 Ontario from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.