Porter Airlines CanadaDepart11:20
Sat, Nov 28IAD → YUL
2h 45m · 1 stop
$177one way, per person
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- Cheapest fare
- $177
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 2h 37m
Porter Airlines Canada · Sat, Nov 28
from $177
Usually 1+ stop
790 km
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Cheapest month to fly from Washington to Montreal
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
Porter Airlines Canada
Air CanadaDepart12:55
Thu, Nov 12DCA → YUL
2h 37m · 1 stop
$291one way, per person
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Getting around
About flights from Washington to Montreal
Washington (WAS) and Montreal (YMQ) are about 790 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 2h 37m. Over the next few months, one-way fares start from $177, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Washington to Montreal?
The cheapest one-way fare we've seen recently is $177 with Porter Airlines Canada, departing Saturday, November 28, 2026.
What is the cheapest month to fly from Washington to Montreal?
November 2026 currently has the lowest fares, from $177 one way.
Are there direct flights from Washington to Montreal?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Washington to Montreal?
The quickest journey we've seen takes about 2h 37m. Washington and Montreal are around 790 km apart.
Which airlines fly from Washington to Montreal?
Recent fares on this route were with Porter Airlines Canada and Air Canada.
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