Great-circle route IAD ↔ YUL. 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 → YUL Washington to Montreal |
27/wk | Daily | Air Canada, United Airlines |
| YUL → IAD Montreal to Washington |
27/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 131,215 passengers on 2,054 flights between IAD and YUL — about 360 a day — filling 85% of the 155,246 seats flown. Republic Airline carried the most passengers (73%).
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–YUL nonstop, including Air Canada, United Airlines.
Recent scheduled departures on this route have used the Embraer 175.
Aircraft assignments change by season and by time of day.
The distance between Washington Dulles International Airport and Montreal / Pierre Elliott Trudeau International Airport is 489 miles, or 787 kilometres.
| Great-circle distance | 489 mi |
| Kilometres | 787 km |
| Nautical miles | 425 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 54 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 1h 36m in the air. That is a great-circle estimate from the 489-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 27 a week from Washington to Montreal and 27 a week from Montreal to Washington, from our most recent schedule sample.
Air Canada, United Airlines.
In 2025, airlines reported 131,215 passengers on 2,054 scheduled flights between IAD and YUL — about 360 a day — filling 85% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Embraer 175. Assignments change by season and by time of day.
