Boston (BOS) to Toronto (YTZ) flights
2 airlines fly nonstop from Boston (BOS) to Toronto (YTZ): Air Canada and Porter Airlines. The two airports are 432 miles (695 km) apart. Air Canada is in Star Alliance. There are also 8 ways to fly it with one stop, through Ottawa, New York and New York and more.
Airlines flying nonstop from BOS to YTZ
- Air CanadaStar Alliance · bookable with 12 programsWho books it
- Porter AirlinesNot in an alliance · bookable with 1 programWho books it
Book BOS to YTZ with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Air Canada
- Air New Zealand AirpointsBooks Air Canada
- Alaska Atmos RewardsBooks Porter Airlines
- ANA Mileage ClubBooks Air Canada
- Avianca LifeMilesBooks Air Canada
- Emirates SkywardsBooks Air Canada
- EVA Air Infinity MileageLandsBooks Air Canada
- Lufthansa Miles & MoreBooks Air Canada
- Singapore Airlines KrisFlyerBooks Air Canada
- TAP Miles&GoBooks Air Canada
- Thai Royal Orchid PlusBooks Air Canada
- Turkish Airlines Miles&SmilesBooks Air Canada
- United MileagePlusBooks Air Canada
BOS to YTZ with one stop
8 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Ottawa (YOW)Porter Airlines the whole way
- Via New York (LGA)American Airlines and Delta Air Lines, then Air Canada
- Via New York (EWR)United Airlines and Delta Air Lines, then Porter Airlines
- Via Montreal (YUL)Air Canada and Porter Airlines the whole way
- Via Dulles (IAD)United Airlines, then Porter Airlines and Air Canada
- Via Halifax (YHZ)Air Canada, American Airlines and 1 more, then Porter Airlines
- Via Chicago (MDW)Southwest Airlines, then Porter Airlines
- Via Chicago (ORD)American Airlines, JetBlue Airways and 2 more, then Air Canada and Porter Airlines
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BOS to YTZ: common questions
Which airlines fly nonstop from BOS to YTZ?
Air Canada (Star Alliance) and Porter Airlines fly nonstop from Boston (BOS) to Toronto (YTZ).
How far is Boston from Toronto by plane?
Boston (BOS) and Toronto (YTZ) are 432 miles (695 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book BOS to YTZ award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does BOS to YTZ cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BOS to YTZ with taxes and fees.
Where can I connect between Boston and Toronto?
The most direct connections are through Ottawa (YOW), New York (LGA), New York (EWR), Montreal (YUL) and Dulles (IAD). On 2 of them the same airline flies both flights, for example Porter Airlines through Ottawa.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.