BOS

C$ 172 Find Cheap Flights from Ontario to Boston – Compare and Save

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1 adult, Economy, 0 bags

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Cheap Flights from Ontario to Boston

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Boston

Wed, 21 Oct - Wed, 28 Oct
Porter Airlines Logo
11:55 a.m. - 3:57 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
4h 02m1 stop Ottawa
Porter Airlines Logo
1:15 p.m. - 6:28 p.m.BOS  Boston Logan Intl-YTZ Toronto Island
5h 13m1 stop Ottawa
C$ 256Porter Airlines
Tue, 6 Oct - Tue, 13 Oct
Porter Airlines Logo
11:55 a.m. - 3:57 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
4h 02m1 stop Ottawa
Porter Airlines Logo
9:55 a.m. - 11:42 a.m.BOS  Boston Logan Intl-YTZ Toronto Island
1h 47mdirect
C$ 256Porter Airlines
Tue, 29 Sep - Wed, 7 Oct
Air Transat Logo
4:55 p.m. - 6:35 p.m.YYZ  Toronto Pearson Intl-BOS Boston Logan Intl
1h 40mdirect
Air Transat Logo
7:30 p.m. - 9:25 p.m.BOS  Boston Logan Intl-YYZ Toronto Pearson Intl
1h 55mdirect
C$ 256Air Transat
Thu, 1 Oct - Tue, 13 Oct
Air Transat Logo
4:55 p.m. - 6:35 p.m.YYZ  Toronto Pearson Intl-BOS Boston Logan Intl
1h 40mdirect
Air Transat Logo
10:05 a.m. - 12:00 p.m.BOS  Boston Logan Intl-YYZ Toronto Pearson Intl
1h 55mdirect
C$ 256Air Transat
Sat, 10 Oct - Sat, 17 Oct
Air Canada Logo
5:30 p.m. - 9:26 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
3h 56m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:45 p.m. - 9:41 p.m.BOS  Boston Logan Intl-YTZ Toronto Island
1h 56mdirect
C$ 258Air Canada
Thu, 15 Oct - Sun, 18 Oct
Air Canada Logo
9:30 a.m. - 2:41 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
5h 11m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:40 a.m. - 11:36 a.m.BOS  Boston Logan Intl-YTZ Toronto Island
1h 56mdirect
C$ 258Air Canada
Thu, 24 Sep - Sun, 27 Sep
Multiple Airlines Logo
11:55 a.m. - 3:50 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
3h 55m1 stop Ottawa
Multiple Airlines Logo
5:50 a.m. - 10:05 a.m.BOS  Boston Logan Intl-YTZ Toronto Island
4h 15m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 274Multiple Airlines
Sat, 26 Sep - Sun, 27 Sep
Multiple Airlines Logo
11:55 a.m. - 3:50 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
3h 55m1 stop Ottawa
Multiple Airlines Logo
6:10 p.m. - 7:57 p.m.BOS  Boston Logan Intl-YTZ Toronto Island
1h 47mdirect
C$ 295Multiple Airlines
Wed, 11 Nov - Thu, 3 Dec
American Airlines Logo
7:30 a.m. - 12:20 p.m.YYZ  Toronto Pearson Intl-BOS Boston Logan Intl
4h 50m1 stop Philadelphia
American Airlines Logo
7:00 a.m. - 1:01 p.m.BOS  Boston Logan Intl-YYZ Toronto Pearson Intl
6h 01m1 stop New York LaGuardia
C$ 313American Airlines
Fri, 13 Nov - Mon, 16 Nov
American Airlines Logo
10:45 a.m. - 4:46 p.m.YYZ  Toronto Pearson Intl-BOS Boston Logan Intl
6h 01m1 stop New York LaGuardia
American Airlines Logo
7:00 a.m. - 11:59 a.m.BOS  Boston Logan Intl-YYZ Toronto Pearson Intl
4h 59m1 stop Washington, D.C. Reagan-National
C$ 352American Airlines
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Good to know

Low season

January

Cheapest flight

C$ 172
Most popular time to fly and prices are also 8% lower on average.
Flight from Toronto Pearson Airport to Boston

Flights from Ontario to Boston: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Ontario to Boston 
JenFlew with Porter Airlines-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-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!

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.

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Old Orchard Beach
Hampton Beach
Ogunquit
Wells
Cambridge
Kennebunkport
Hampton
Waltham
Saco
Revere
South Portland
Woburn
Nashua
Westbrook
Merrimack
Quincy
Scarborough
West Yarmouth
Concord
Burlington

More options for your flight to Boston