Great-circle route IAD ↔ YTZ. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
Frequencies below are per direction, from our most recent schedule sample.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| IAD → YTZ Washington to Toronto |
21/wk | Daily | Air Canada, Porter Airlines |
Where a direction shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
In 2025, airlines reported 49,657 passengers on 1,083 flights between IAD and YTZ — about 136 a day — filling 59% of the 84,474 seats flown. Porter Airlines Inc. (PAI) carried the most passengers (100%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
2 airlines fly the IAD–YTZ nonstop, including Air Canada, Porter Airlines.
Recent scheduled departures on this route have used the Bombardier Dash 8 Q400 / DHC-8-400.
Aircraft assignments change by season and by time of day.
The distance between Washington Dulles International Airport and Billy Bishop Toronto City Centre Airport is 339 miles, or 546 kilometres.
| Great-circle distance | 339 mi |
| Kilometres | 546 km |
| Nautical miles | 295 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. 2 airlines fly the route nonstop, with about 21 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 1h 19m in the air. That is a great-circle estimate from the 339-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
Air Canada, Porter Airlines.
In 2025, airlines reported 49,657 passengers on 1,083 scheduled flights between IAD and YTZ — about 136 a day — filling 59% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Bombardier Dash 8 Q400 / DHC-8-400. Assignments change by season and by time of day.
