Boston (BOS) to Ottawa (YOW) flights
One airline flies nonstop from Boston (BOS) to Ottawa (YOW): Porter Airlines. The two airports are 309 miles (497 km) apart. There are also 7 ways to fly it with one stop, through Montreal, New York and Toronto and more.
Airlines flying nonstop from BOS to YOW
- Porter AirlinesNot in an alliance · bookable with 1 programWho books it
Book BOS to YOW with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Porter Airlines
BOS to YOW with one stop
7 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Montreal (YUL)Air Canada the whole way
PP - Via New York (EWR)United Airlines the whole way
- Via Toronto (YTZ)Porter Airlines and Air Canada the whole way
- Via Toronto (YYZ)Air Canada and Porter Airlines the whole way
- Via Washington (DCA)American Airlines, JetBlue Airways and 1 more, then Air Canada
- Via Dulles (IAD)United Airlines the whole way
- Via Halifax (YHZ)Air Canada the whole way
BOS to YOW: common questions
Which airlines fly nonstop from BOS to YOW?
Porter Airlines flies nonstop from Boston (BOS) to Ottawa (YOW).
How far is Boston from Ottawa by plane?
Boston (BOS) and Ottawa (YOW) are 309 miles (497 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 YOW award flights?
1 program can book at least one of the nonstop airlines: Alaska Atmos Rewards. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does BOS to YOW 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 YOW with taxes and fees.
Where can I connect between Boston and Ottawa?
The most direct connections are through Montreal (YUL), New York (EWR), Toronto (YTZ), Toronto (YYZ) and Washington (DCA). On 6 of them the same airline flies both flights, for example Air Canada through Montreal.
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.