$115 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 9/3. 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

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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.

Recent round-trip flight deals from Ontario to Boston

Fri, Oct 17 - Sun, Oct 19
Porter Airlines Logo
3:10 pm - 4:51 pmYTZ-BOS
1h 41mnonstop
Porter Airlines Logo
9:20 am - 11:09 amBOS-YTZ
1h 49mnonstop
$183Porter Airlines
Find Deal
Fri, Sep 26 - Sun, Oct 5
Porter Airlines Logo
3:10 pm - 4:51 pmYTZ-BOS
1h 41mnonstop
Porter Airlines Logo
12:15 pm - 2:04 pmBOS-YTZ
1h 49mnonstop
$185Porter Airlines
Find Deal
Tue, Jul 15 - Wed, Jul 16
American Airlines Logo
7:15 am - 12:56 pmYYZ-BOS
5h 41m1 stop
American Airlines Logo
5:00 am - 10:59 amBOS-YYZ
5h 59m1 stop
$189American Airlines
Find Deal
Fri, Aug 15 - Fri, Aug 22
Air Canada Logo
5:25 pm - 9:56 pmYTZ-BOS
4h 31m1 stop
Air Canada Logo
5:50 am - 11:46 amBOS-YTZ
5h 56m1 stop
$195Air Canada
Find Deal
Fri, Aug 8 - Fri, Aug 15
Air Canada Logo
5:00 pm - 9:56 pmYYZ-BOS
4h 56m1 stop
Air Canada Logo
6:00 am - 7:55 amBOS-YYZ
1h 55mnonstop
$195Air Canada
Find Deal
Sun, Sep 21 - Mon, Sep 22
American Airlines Logo
7:15 am - 2:23 pmYYZ-BOS
7h 08m1 stop
American Airlines Logo
8:19 am - 4:33 pmBOS-YYZ
8h 14m1 stop
$220American Airlines
Find Deal
Thu, Jul 24 - Sun, Jul 27
 Logo
1:00 pm - 2:41 pmYTZ-BOS
1h 41mnonstop
 Logo
5:50 am - 11:46 amBOS-YTZ
5h 56m1 stop
Fri, Aug 15 - Fri, Aug 22
 Logo
1:00 pm - 2:41 pmYTZ-BOS
1h 41mnonstop
 Logo
5:50 am - 11:46 amBOS-YTZ
5h 56m1 stop
Sun, Sep 7 - Thu, Sep 18
United Airlines Logo
7:30 am - 1:24 pmYYZ-BOS
5h 54m1 stop
United Airlines Logo
6:00 am - 11:44 amBOS-YYZ
5h 44m1 stop
$246United Airlines
Find Deal
Fri, Sep 5 - Mon, Sep 8
United Airlines Logo
3:41 pm - 8:38 pmYUL-BOS
4h 57m1 stop
United Airlines Logo
8:25 am - 1:09 pmBOS-YUL
4h 44m1 stop
$287United Airlines
Find Deal
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Good to know

Low seasonJanuary
High seasonAugust
Cheapest flight$115
Best time to beat the crowds but there is an average 20% increase in price.
Most popular time to fly and prices are also 7% lower on average.
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
Everett
Burlington
West Warwick
Barnstable
Marblehead
Winthrop

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

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