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Cheap flights from Washington, D.C. to Montreal

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Flight deals from Washington, D.C. to Montreal

Looking for a cheap last-minute deal or the best round-trip flight from Washington, D.C. to Montreal? Find the lowest prices on one-way and round-trip tickets right here.
Montreal.C$339 per passenger.Departing Thu, Sep 4, returning Sun, Sep 7.Round-trip flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Thu, Sep 4, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Montreal Pierre Elliott Trudeau on Sun, Sep 7, arriving in Washington Dulles.Price includes taxes and charges.From C$339, select.
Montreal.C$343 per passenger.Departing Fri, May 30, returning Mon, Jun 2.Round-trip flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Fri, May 30, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Montreal Pierre Elliott Trudeau on Mon, Jun 2, arriving in Washington Dulles.Price includes taxes and charges.From C$343, select.
Montreal.C$344 per passenger.Departing Mon, May 26, returning Sat, May 31.Round-trip flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Mon, May 26, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Montreal Pierre Elliott Trudeau on Sat, May 31, arriving in Washington Dulles.Price includes taxes and charges.From C$344, select.
Montreal.C$344 per passenger.Departing Sun, Jun 1, returning Sun, Jun 15.Round-trip flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Sun, Jun 1, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Montreal Pierre Elliott Trudeau on Sun, Jun 15, arriving in Washington Dulles.Price includes taxes and charges.From C$344, select.
Montreal.C$355 per passenger.Departing Sun, Jun 29, returning Fri, Jul 4.Round-trip flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Sun, Jun 29, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Montreal Pierre Elliott Trudeau on Fri, Jul 4, arriving in Washington Dulles.Price includes taxes and charges.From C$355, select.
Montreal.C$359 per passenger.Departing Fri, Aug 8, returning Wed, Aug 13.Round-trip flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Fri, Aug 8, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Montreal Pierre Elliott Trudeau on Wed, Aug 13, arriving in Washington Dulles.Price includes taxes and charges.From C$359, select.
Montreal.C$359 per passenger.Departing Sat, Jul 5, returning Sat, Jul 12.Round-trip flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Sat, Jul 5, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Montreal Pierre Elliott Trudeau on Sat, Jul 12, arriving in Washington Dulles.Price includes taxes and charges.From C$359, select.
Montreal.C$384 per passenger.Departing Sat, May 17, returning Sat, May 24.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from Washington Ronald Reagan on Sat, May 17, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departing from Montreal Pierre Elliott Trudeau on Sat, May 24, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$384, select.

When is the cheapest time to fly from Washington, D.C. to Montreal?

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington, D.C. to Montreal flights are currently cheapest in September.
Apr
from C$690
May
from C$344
Jun
from C$344
Jul
from C$359
Aug
from C$359
Sep
from C$339
Oct
from C$388
Nov
from C$524
Dec
from C$409
Jan
from C$636
Feb
from C$636
Mar
from C$636

Direct flights from Washington, D.C. to Montreal

Alternative Washington, D.C. to Montreal routes

Looking for the cheapest, fastest or easiest route from Washington, D.C. to Montreal? You could fly into the following airports instead.

Washington, D.C. to Montreal: Flight information

The things to know before you go.
Cheapest flight foundC$339
Cheapest month to flySeptember
Average flight time1 hr, 51 mins
Most popular airlineUnited
Average flights per week448

Finding cheap flights from Washington, D.C. to Montreal: Frequently asked questions

There are 3 airports in Montreal: Montreal St Hubert, Montreal Pierre Elliott Trudeau and Montreal Mirabel.
The best price we found for a round-trip flight from Washington, D.C. to Montreal is C$339. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 52 minutes is the average flight time from Washington, D.C. to Montreal.
United, Air Canada and Republic Airways fly direct from Washington, D.C. to Montreal.
There are 156 flights per week flying from Washington, D.C. to Montreal, as of April 2025.
The cheapest month to fly from Washington, D.C. to Montreal is usually April 2025.
If you're flying from Washington, D.C., the cheapest airport near Montreal is Montreal Pierre Elliott Trudeau – which is 16.1 km away from the center of Montreal. We've found flights to this airport from C$339.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington, D.C. to Montreal on Thursday, September 4, 2025.
Yes – the average flight time is 1 hour and 52 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Montreal but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Montreal is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 5°C. July is typically the warmest month in Montreal, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -17°C. The rainiest month is June.
The cheapest airline that flies to Montreal is Porter Airlines (Canada) Ltd, and the cheapest airline that flies to Montreal Pierre Elliott Trudeau Airport is Air Canada.

Travelling from Washington DC to Montreal: what you need to know

  • When looking for a flight from Washington DC to Montreal, there's a good selection of airports you can take off from. Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI) are some of Washington DC's main terminals.

  • Hop off the plane at Montreal's primary gateway, Montreal-Pierre Elliott Trudeau International Airport (YUL).

  • The average duration of a direct Washington DC to Montreal flight is 1 hour 50 minutes.

  • Montreal's timezone is UTC-4, which is the same as Washington DC.

  • Ronald Reagan National Airport (DCA) to Montreal-Pierre Elliott Trudeau International Airport (YUL) is the most traveled route between these two cities. There are 21 weekly flights to choose from. If you prefer starting your day later, the last flight from Washington DC to Montreal is with Air Canada at 16:55. Choose the first DCA to YUL departure with Air Canada at 06:00 to maximize your time in Montreal.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your Washington DC to Montreal flight.

  • If you're flying during a peak month like February, get to the airport even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of domestic departures. Security lines will be longer during high seasons like Christmas, New Year and spring break.

How to find the cheapest flights from Washington DC to Montreal

  • Book two months before you travel. Pricing trends suggest that this is the ideal window for finding cheap Washington DC to Montreal flights.

  • The best month for finding cheap plane tickets from Washington DC to Montreal is May. Use the 'Whole month' tool to compare flight prices, then choose the dates offering the lowest fares.

  • Cut down on the time spent looking for cheap flights from Washington DC to Montreal by creating a Price Alert. We'll send you an email or notification on the app when a new low fare is offered.

  • Lock in a cheap Washington DC to Montreal flight with the help of our filters. Choose your preferred times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from Washington DC

Ronald Reagan National Airport (DCA)

  • Take off from Ronald Reagan National Airport (DCA) on a nonstop flight from Washington DC to Montreal. From DCA, you can land directly at Montreal-Pierre Elliott Trudeau International Airport (YUL).

  • Be on the lookout for promotions with Air Canada. This carrier offers direct Washington DC to Montreal plane tickets from DCA.

  • A stopover is the perfect opportunity to take a travel break — and maybe even tour another city. When searching for Washington DC to Montreal flights leaving from Ronald Reagan National Airport, deselect the 'Direct flights only' box to see where you can stop along the way. Popular options include:

    • Ottawa/Macdonald-Cartier International Airport (YOW)

    • Philadelphia International Airport (PHL)

    • Pearson International Airport (YYZ)

  • DCA is about 6 kilometres from central Washington DC. If you're ride-sharing, driving or catching a cab from the centre, it'll take 15 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 45 minutes.

  • Have an early flight from Washington DC to Montreal? Avoid the stress of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels near Ronald Reagan National Airport:

  • 76.44% of flights taking off from Ronald Reagan National Airport arrive at their destination on schedule.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • You can book a direct flight from Washington DC to Montreal out of Washington Dulles International Airport (IAD). Nonstop services from IAD will get you to Montreal-Pierre Elliott Trudeau International Airport (YUL).

  • Book a direct Washington DC to Montreal plane ticket with United Airlines. This is one of the leading airlines operating this route out of IAD.

  • Get the most out of your vacation with a stopover on your Washington DC to Montreal flight. Visit friends or family or tick another city off your list. Whatever your plans, here's where you can stop between Washington Dulles International Airport and Montreal:

    • Ottawa/Macdonald-Cartier International Airport (YOW)

    • Pearson International Airport (YYZ)

    • Philadelphia International Airport (PHL)

  • Using public transport, you can travel from central Washington DC to IAD in around 1 hour 10 minutes. The terminal is roughly 40 kilometres away. Driving will take you about 50 minutes.

  • Start your vacation sooner with an additional night away from home. Before catching your flight from Washington DC to Montreal, unwind in one of these hotels close to Washington Dulles International Airport:

  • When it comes to keeping flights on track, Washington Dulles International Airport has an on-time arrival rate of 74.39%.

  • The address for IAD is 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Searching for a ticket from Washington DC to Montreal with a stop or two can offer you more choice of departure times on top of cheaper fares. When flying from Baltimore/Wash International Thurgood Marshall Airport (BWI), here's where you can make a pit stop at on your way to Montreal:

    • John F. Kennedy International Airport (JFK)

    • Logan International Airport (BOS)

    • Detroit Metropolitan Wayne County Airport (DTW)

  • The trip to BWI from the centre of Washington DC is around 1 hour 30 minutes by public transport. If you're in a car, it'll take you about 50 minutes to cover the 40 kilometres or so.

  • Make taking an early Washington DC to Montreal flight the easiest part of your trip. Book a room at one of these hotels close to Baltimore/Wash International Thurgood Marshall Airport and get to your gate without rushing:

  • The on-time performance rating of BWI is 77.13%. To put it simply, that's how frequently flights departing this airport arrive as planned.

Arriving in Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • The distance from Montreal-Pierre Elliott Trudeau International Airport (YUL) to central Montreal is roughly 16 kilometres. It'll take you around 25 minutes to get to the centre driving.

  • When travelling by public transport, expect a journey time of around 45 minutes.

  • The last thing you need is a long journey to your hotel if you're landing late on a flight from Washington DC to Montreal. Reserve one of these accommodation options near YUL instead:

  • Say yes to new adventures by picking up a Montreal-Pierre Elliott Trudeau International Airport rental car. Grab your wheels from Avis, Alamo or Routes Car Rentals and explore beyond Montreal's usual tourist stops.

  • Booking your vehicle from Montreal-Pierre Elliott Trudeau International Airport about four weeks ahead increases your chances of getting a good deal.

  • You'll find YUL at 975 Romeo Vachon Street North.

St. Hubert Airport (YHU)

  • The centre of Montreal is located around 26 kilometres from St. Hubert Airport (YHU). Once your flight from Washington DC to Montreal has hit the runway and you've navigated your way to arrivals, the drive should be around 35 minutes.

  • You can expect the journey to take about 1 hour 45 minutes on public transport.

  • Land, grab your St. Hubert Airport rental car, and set off without missing a beat. Enterprise and Budget are popular outlets to select from here.

  • Generally speaking, the sooner you book, the bigger the savings and variety of vehicles. Secure your ride from YHU as soon as your plans are confirmed.

Best time to go to Montreal

  • It's time to choose your trip dates for your flight from Washington DC to Montreal. August is the busiest month to visit Montreal. If you like a quieter atmosphere, go in February.

  • The warmest month in Montreal is July, with temperatures ranging between 14ºC (57ºF) and 28ºC (82ºF). Book your Washington DC to Montreal ticket then if that's your idea of comfortable weather.

  • If you like cooler conditions, search for a cheap flight from Washington DC to Montreal in January when temperatures average between -19ºC (-2ºF) and -2ºC (28ºF).

More about Montreal

  • Start your Montreal trip right by choosing the perfect place to stay. As soon as you've booked your flight from Washington DC to Montreal, browse our range of accommodation options including:

  • Mount Royal Park and Montreal Botanical Garden are just a couple of the big attractions to add to your Montreal to-do list. Continue your sightseeing adventures at Saint Joseph's Oratory of Mount Royal.

Explore more of Canada

  • Toronto is just one of the many cities in Canada waiting to be discovered once you've seen the sights of Montreal. Around 499 kilometres to the south-west, its top attractions include CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • Ottawa is another sought-after destination in Canada and is around 153 kilometres west of Montreal. No journey is complete without visiting Parliament Hill, Rideau Canal and National Gallery of Canada.

Plan the rest of your trip from Washington, D.C. to Montreal

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.