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

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 . 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 ?

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

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 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 ?

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 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>

$136 CHEAP FLIGHTS from Ontario to Boston

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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$213

Overall average: $327

Air Transat

Thu 2/26Sun 3/1

YTZ - BOS • Non-stop

Cheapest one-way

$136

Typical prices: $166-$247

Porter Airlines

Thu 3/19

YOW - 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 $[0, preposition:'to ']$[0,article:'to ']$[0, place:'to']!

Flight Deals

Cheap Flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from ']$[1, preposition:'to ']$[1, article:'to ']$[1, place:'to']

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 $[0,preposition:'from ']$[0,article:'from ']$[0,place:'from'] $[1,preposition:'to '] $[1,article:'to ']$[1,place:'to']

Thu, Feb 26 - Sun, Mar 1

1:10 pm - 2:45 pm

YTZ

BOS

1h 35mnonstop

9:00 am - 10:52 am

BOS

YTZ

1h 52mnonstop

$213Air Transat

Thu, Feb 26 - Sun, Mar 1

8:30 pm - 10:05 pm

YTZ

BOS

1h 35mnonstop

9:00 am - 10:52 am

BOS

YTZ

1h 52mnonstop

$217Air Transat

Thu, Apr 2 - Mon, Apr 6

6:15 am - 9:49 am

YYZ

BOS

3h 34m

1 stop

5:30 am - 11:34 am

BOS

YYZ

6h 04m

1 stop

$217Air Canada

Tue, Mar 3 - Tue, Mar 10

11:00 am - 2:52 pm

YYZ

BOS

3h 52m

1 stop

3:35 pm - 9:44 pm

BOS

YYZ

6h 09m

1 stop

$219Air Canada

Fri, Mar 6 - Sun, Mar 8

7:35 pm - 9:10 pm

YTZ

BOS

1h 35mnonstop

9:00 am - 10:52 am

BOS

YTZ

1h 52mnonstop

$224Porter Airlines

Fri, Mar 6 - Sun, Mar 8

12:00 pm - 6:07 pm

YTZ

BOS

6h 07m

1 stop

9:00 am - 10:52 am

BOS

YTZ

1h 52mnonstop

$226Porter Airlines

Wed, Mar 4 - Wed, Mar 11

7:25 am - 5:15 pm

YHM

BOS

9h 50m

1 stop

5:27 am - 3:00 pm

BOS

YHM

9h 33m

1 stop

$362Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

7:25 am - 11:44 pm

YHM

BOS

16h 19m

1 stop

5:27 am - 3:00 pm

BOS

YHM

9h 33m

1 stop

$363Multiple Airlines

Mon, Mar 2 - Wed, Mar 4

5:40 pm - 11:57 pm

YXU

BOS

6h 17m

2 stops

12:05 pm - 9:21 pm

BOS

YXU

9h 16m

2 stops

$624United Airlines

Mon, Mar 2 - Wed, Mar 4

5:40 pm - 11:57 pm

YXU

BOS

6h 17m

2 stops

7:05 am - 5:05 pm

BOS

YXU

10h 00m

2 stops

$625United Airlines

Useful Info

Low season	November
High season	August
Cheapest flight	$136

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

Most popular time to fly with an average 5% increase in price.

Flight from Ottawa to Boston

JenFlew with Porter Airlines

YTZ

BOS

Jan 2026

Get there SUPER EARLY, lines are long, only a few people working. Be prepared to massively overpay for luggage.

Verified travelerFlew with Air Canada

YYZ

BOS

Nov 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 ?
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 .
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to ?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to 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 ?
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 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 ?
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 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

Warwick

Wells

Plymouth

Everett

Middletown

Gloucester

Concord

Woburn

York Beach

Revere

Brookline

Burlington

West Yarmouth

Danvers

South Portland

Braintree

Quincy

Everything you need to know for your flight $[0, preposition:'to ']$[0, article:'to ']$[0, place:'to']

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Information on the airport you'll fly into $[0, preposition:'in ']$[0, article:'in ']$[0, place:'in']

Boston (BOS)

$136 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 $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from ']$[1, preposition:'to ']$[1, article:'to ']$[1, place:'to']

Recent round-trip flight deals $[0,preposition:'from ']$[0,article:'from ']$[0,place:'from'] $[1,preposition:'to '] $[1,article:'to ']$[1,place:'to']

Recent one-way flight deals $[0,preposition:'from ']$[0,article:'from']$[0,place:'from'] $[1,preposition:'to '] $[1,article:'to ']$[1,place:'to']

Recent last minute flight deals $[0,preposition:'from ']$[0,article:'from']$[0,place:'from'] $[1,preposition:'to '] $[1,article:'to ']$[1,place:'to']

Recent direct flight deals $[0,preposition:'from ']$[0,article:'from']$[0,place:'from'] $[1,preposition:'to '] $[1,article:'to ']$[1,place:'to']

Good to know

Flights $[0,preposition:'from ']$[0,article:'from ']$[0,place:'from'] $[1,preposition:'to ']$[1,article:'to ']$[1,place:'to']: the best tips from KAYAK users

FAQs for booking flights from Ontario to

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

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 .

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to ?

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

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 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 ?

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 from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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