$131 Find Cheap Flights from Ontario to Boston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Boston departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$209
Overall average: $288
Porter Airlines
Thu 12/25Mon 12/29
YTZ - BOS • Non-stop
Cheapest non-stop
$209
Typical prices: $265-$347
Porter Airlines
Tue 12/2Sat 12/6
YTZ - BOS • Non-stop
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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.

Recent round-trip flight deals from Ontario to Boston

Thu, Dec 25 - Mon, Dec 29
Porter Airlines Logo
1:20 pm - 2:55 pmYTZ-BOS
1h 35mnonstop
Porter Airlines Logo
7:00 am - 8:55 amBOS-YTZ
1h 55mnonstop
$209Porter Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Porter Airlines Logo
8:00 am - 9:35 amYTZ-BOS
1h 35mnonstop
Porter Airlines Logo
3:40 pm - 10:03 pmBOS-YTZ
6h 23m1 stop
$211Porter Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Porter Airlines Logo
8:30 pm - 10:05 pmYTZ-BOS
1h 35mnonstop
Porter Airlines Logo
7:00 am - 8:55 amBOS-YTZ
1h 55mnonstop
$212Porter Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Multiple Airlines Logo
7:15 am - 10:01 amYYZ-BOS
26h 46m1 stop
Multiple Airlines Logo
10:56 am - 12:11 amBOS-YYZ
13h 15m1 stop
$220Multiple Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Multiple Airlines Logo
7:15 am - 10:01 amYYZ-BOS
26h 46m1 stop
Multiple Airlines Logo
10:56 am - 12:11 amBOS-YYZ
13h 15m1 stop
$221Multiple Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 30
Air Canada Logo
10:00 am - 2:52 pmYYZ-BOS
4h 52m1 stop
Air Canada Logo
5:30 am - 11:40 amBOS-YYZ
6h 10m1 stop
$231Air Canada
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Thu, Dec 4 - Sun, Dec 7
Air Canada Logo
11:00 am - 2:52 pmYYZ-BOS
3h 52m1 stop
Air Canada Logo
5:30 am - 11:40 amBOS-YYZ
6h 10m1 stop
$234Air Canada
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Tue, Dec 2 - Mon, Dec 8
Air Transat Logo
8:00 am - 9:35 amYTZ-BOS
1h 35mnonstop
Air Transat Logo
10:20 am - 12:15 pmBOS-YTZ
1h 55mnonstop
$240Air Transat
Find Deal
Sat, Dec 6 - Sat, Dec 13
Air Transat Logo
4:30 pm - 6:05 pmYTZ-BOS
1h 35mnonstop
Air Transat Logo
10:20 am - 12:15 pmBOS-YTZ
1h 55mnonstop
$264Air Transat
Find Deal
Tue, Dec 2 - Tue, Dec 9
Delta Logo
6:05 am - 12:15 pmYYZ-BOS
6h 10m1 stop
Delta Logo
10:30 am - 4:24 pmBOS-YYZ
5h 54m1 stop
$272Delta
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Good to know

Low seasonJanuary
Cheapest flight$131
Best time to beat the crowds but there is an average 16% increase in price.
Most popular time to fly with an average 3% increase in price.
Flight from Toronto Island to Boston

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?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Hampton
Waltham
Wells
Plymouth
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

Information on the airport you'll fly into in Boston

Boston (BOS)