Great-circle route YYZ ↔ IAD. 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 |
|---|---|---|---|
| YYZ → IAD Toronto to Washington |
41/wk | Daily | Air Canada, United Airlines |
| IAD → YYZ Washington to Toronto |
41/wk | Daily | Air Canada, United 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 247,376 passengers on 3,883 flights between YYZ and IAD — about 678 a day — filling 84% of the 293,376 seats flown. Republic Airline carried the most passengers (71%).
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 YYZ–IAD nonstop, including Air Canada, United Airlines.
Recent scheduled departures on this route have used the Embraer 175, Airbus A320, Airbus A220-300.
Aircraft assignments change by season and by time of day.
The distance between Lester B. Pearson International Airport and Washington Dulles International Airport is 346 miles, or 557 kilometres.
| Great-circle distance | 346 mi |
| Kilometres | 557 km |
| Nautical miles | 301 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 82 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 346-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.
About 41 a week from Toronto to Washington and 41 a week from Washington to Toronto, from our most recent schedule sample.
Air Canada, United Airlines.
In 2025, airlines reported 247,376 passengers on 3,883 scheduled flights between YYZ and IAD — about 678 a day — filling 84% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Embraer 175, Airbus A320, Airbus A220-300. Assignments change by season and by time of day.