Cheap flights from Montreal to Washington
from 251 US$
Compare hundreds of airlines Montreal–Washington
The cheapest month is usually 2026-10 · 251 US$
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About this route
Compare flights from Montreal to Washington, a about 789 km route (around 1h 29m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Air Canada, United Airlines operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Montreal to Washington?
It's usually 2026-10, from 251 USD. Use the price calendar to compare other dates.
How long is the flight from Montreal to Washington?
A nonstop flight takes about 1h 29m and covers around 789 km. Connecting itineraries take longer.
Are there direct flights from Montreal to Washington?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Montreal to Washington?
Air Canada, United Airlines operate this route, among others. Compare them all in the results.
When should I book Montreal–Washington flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Montreal → Washington · Live fares from 100+ sites — free, with no hidden fees.