$88 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 1/10. 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
$204
Overall average: $276
Porter Airlines
Thu 2/26Wed 3/25
YOW - BOS • 1 stop
Cheapest non-stop
$205
Typical prices: $277-$441
Porter Airlines
Fri 1/30Sun 2/1
YOW - BOS • Non-stop
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Flight Deals
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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, Feb 26 - Wed, Mar 25
Porter Airlines Logo
3:40 pm - 10:05 pmYOW-BOS
6h 25m1 stop
Porter Airlines Logo
11:50 am - 5:29 pmBOS-YOW
5h 39m1 stop
$204Porter Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 1
Porter Airlines Logo
4:40 pm - 6:10 pmYOW-BOS
1h 30mnonstop
Porter Airlines Logo
3:30 pm - 5:03 pmBOS-YOW
1h 33mnonstop
$205Porter Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 1
Porter Airlines Logo
4:35 pm - 8:30 pmYOW-BOS
3h 55m1 stop
Porter Airlines Logo
3:30 pm - 5:03 pmBOS-YOW
1h 33mnonstop
$206Porter Airlines
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Tue, Dec 16 - Thu, Jan 8
Air Canada Logo
9:00 am - 2:52 pmYYZ-BOS
5h 52m1 stop
Air Canada Logo
5:30 am - 11:40 amBOS-YYZ
6h 10m1 stop
$215Air Canada
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Sun, Dec 14 - Mon, Dec 15
Air Canada Logo
8:15 am - 9:57 amYYZ-BOS
1h 42mnonstop
Air Canada Logo
5:30 am - 11:40 amBOS-YYZ
6h 10m1 stop
$217Air Canada
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Wed, Jan 21 - Fri, Jan 23
American Airlines Logo
7:00 am - 2:48 pmYYZ-BOS
7h 48m1 stop
American Airlines Logo
11:10 am - 3:30 pmBOS-YYZ
4h 20m1 stop
$223American Airlines
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Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
5:15 pm - 11:08 amYYZ-BOS
17h 53m1 stop
Multiple Airlines Logo
3:30 pm - 8:11 pmBOS-YYZ
4h 41m1 stop
$232Multiple Airlines
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Thu, Jan 15 - Thu, Jan 22
Multiple Airlines Logo
7:25 am - 11:57 pmYHM-BOS
16h 32m1 stop
Multiple Airlines Logo
5:34 am - 3:00 pmBOS-YHM
9h 26m1 stop
$297Multiple Airlines
Find Deal
Fri, Jan 16 - Fri, Jan 23
United Airlines Logo
5:10 am - 10:02 amYXU-BOS
4h 52m1 stop
United Airlines Logo
4:35 pm - 9:20 pmBOS-YXU
4h 45m1 stop
$600United Airlines
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Fri, Jan 16 - Fri, Jan 23
United Airlines Logo
5:10 am - 1:13 pmYXU-BOS
8h 03m2 stops
United Airlines Logo
8:15 am - 5:05 pmBOS-YXU
8h 50m2 stops
$606United Airlines
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Good to know

Low seasonJanuary
Cheapest flight$125
Best time to beat the crowds but there is an average 15% increase in price.
Most popular time to fly with an average 5% 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
Burlington
Danvers
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)