Dulles (IAD) to Toronto (YYZ) flights
2 airlines fly nonstop from Dulles (IAD) to Toronto (YYZ): Air Canada and United Airlines. The two airports are 345 miles (556 km) apart. Air Canada and United Airlines are in Star Alliance. There are also 20 ways to fly it with one stop, through Pittsburgh, Philadelphia and Cleveland and more.
Airlines flying nonstop from IAD to YYZ
- Air CanadaStar Alliance · bookable with 12 programsWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAD to YYZ with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Air Canada, United Airlines
- Air New Zealand AirpointsBooks Air Canada, United Airlines
- ANA Mileage ClubBooks Air Canada, United Airlines
- Avianca LifeMilesBooks Air Canada, United Airlines
- Emirates SkywardsBooks Air Canada, United Airlines
- EVA Air Infinity MileageLandsBooks Air Canada, United Airlines
- Lufthansa Miles & MoreBooks Air Canada, United Airlines
- Singapore Airlines KrisFlyerBooks Air Canada, United Airlines
- TAP Miles&GoBooks Air Canada, United Airlines
- Thai Royal Orchid PlusBooks Air Canada, United Airlines
- Turkish Airlines Miles&SmilesBooks Air Canada, United Airlines
- United MileagePlusBooks Air Canada, United Airlines
- JetBlue TrueBlueBooks United Airlines
IAD to YYZ with one stop
20 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Pittsburgh (PIT)United Airlines, then Air Canada
- Via Philadelphia (PHL)United Airlines, then American Airlines and Air Canada
- Via Cleveland (CLE)United Airlines, then Air Canada
- Via New York (EWR)United Airlines the whole way
- Via New York (LGA)United Airlines, then American Airlines, Air Canada and 2 more+1
- Via New York (JFK)Delta Air Lines the whole way
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Columbus (CMH)United Airlines, then Air Canada
- Via Ottawa (YOW)United Airlines, then Air Canada, WestJet and 1 more
- Via Raleigh/Durham (RDU)United Airlines, then Air Canada
- Via Cincinnati (CVG)United Airlines, then Air Canada
- Via Montreal (YUL)Air Canada the whole way
+2 - Via Boston (BOS)United Airlines, then Air Canada and Porter Airlines
- Via Charlotte (CLT)American Airlines the whole way
- Via Indianapolis (IND)United Airlines, then Air Canada
IAD to YYZ: common questions
Which airlines fly nonstop from IAD to YYZ?
Air Canada (Star Alliance) and United Airlines (Star Alliance) fly nonstop from Dulles (IAD) to Toronto (YYZ).
How far is Dulles from Toronto by plane?
Dulles (IAD) and Toronto (YYZ) are 345 miles (556 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAD to YYZ award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IAD to YYZ cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to YYZ with taxes and fees.
Where can I connect between Dulles and Toronto?
The most direct connections are through Pittsburgh (PIT), Philadelphia (PHL), Cleveland (CLE), New York (EWR) and New York (LGA). On 7 of them the same airline flies both flights, for example United Airlines through New York.
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.