Cheap Flights from Washington Dulles to Montreal

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Compare Washington Dulles to Montreal flight deals

Find the cheapest month or even day of the year to fly to Montreal

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Flight deals from Washington Dulles to Montreal

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to Montreal? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Montreal

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Montreal flights are currently cheapest in June.

Direct flights from Washington Dulles to Montreal

Alternative Washington Dulles to Montreal routes

Looking for the cheapest, fastest or easiest route from Washington Dulles 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 foundR 2,053
Cheapest month to flyJune
Average flight time1 hr, 56 mins
Most popular airlineUnited
Average flights per week125

Finding cheap flights from Washington Dulles 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 return flight from Washington Dulles to Montreal is R 4,525. 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 56 minutes is the average flight time from Washington Dulles to Montreal.
United, Republic Airways and Air Canada fly direct from Washington Dulles to Montreal.
As of May 2025, there are 125 flights per week flying from Washington Dulles to Montreal.
The cheapest month to fly from Washington Dulles to Montreal is usually May 2025.
If you're flying from Washington Dulles Airport, the cheapest airport near Montreal is Montreal Pierre Elliott Trudeau – which is 16.1 km away from the centre of Montreal. We've found flights into this airport from R 4,525.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Montreal on Sunday, 20 July 2025.
Yes – the average flight time is 1 hour and 56 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 May, the average temperature is usually around 12°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.
Currently, Porter Airlines (Canada) Ltd and United offer the cheapest flight tickets to Montreal.

Flying from Washington Dulles International Airport (IAD) to Montreal: what you need to know

  • The average time for a direct flight from Washington Dulles International Airport to Montreal is 1 hour 55 minutes.

  • Montreal and Washington DC (where Washington Dulles International Airport is located) share the UTC-4 timezone. That means there's no time difference to adjust for.

  • With 24 flights a week between the two airports, Washington Dulles International Airport (IAD) to Montreal-Pierre Elliott Trudeau International Airport (YUL) is the busiest route. United Airlines operates the earliest flight at 08:24. If you prefer to make the most of your day before you fly, the latest flight from IAD to YUL is with United Airlines at 22:10.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to board your IAD to Montreal flight.

  • Travelling during a peak time like public or school holidays? Expect longer queues at check-in and security. Play it safe and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Direct Washington Dulles International Airport to Montreal tickets are available for booking. Montreal-Pierre Elliott Trudeau International Airport (YUL) is where you'll arrive.

  • United Airlines is a well-known carrier that offers direct flights from Washington Dulles International Airport to Montreal.

  • A stopover is the ideal opportunity to break up your trip and possibly even explore another city. When searching for flight tickets from IAD to Montreal, deselect the 'Direct flights only' box to see where you can visit along the way. Some popular options include:

    • Pearson International Airport (YYZ)

    • Philadelphia International Airport (PHL)

    • Ottawa/Macdonald-Cartier International Airport (YOW)

  • Located around 40 kilometres from central Washington DC, IAD can be reached in about 50 minutes by car. Travelling on public transport takes roughly 1 hour 10 minutes.

  • Catching an early flight from Washington Dulles International Airport to Montreal? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to IAD:

  • 74.39% of flights that leave from Washington Dulles International Airport make it to their destination on time.

  • You'll find IAD at 1 Saarinen Circle.

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Montreal

  • The lowest price we've seen for a one-way Washington Dulles International Airport to Montreal flight is R 2,053. The cheapest price for a return flight is R 4,525. Remember fares may change due to availability at the time of booking.

  • Book one month before you want to travel. Research on pricing trends suggests this is the ideal window for finding cheap flights from IAD to Montreal.

  • May is the best month for scoring an amazing deal on Washington Dulles International Airport to Montreal tickets. If you need to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • There's no need to keep checking in to see if fares have dropped when you create a Price Alert. We'll let you know as soon as there's an even better deal on cheap flights from IAD to Montreal.

  • Tailor your flights with filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Washington Dulles International Airport to Montreal.

Airports in Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • Montreal-Pierre Elliott Trudeau International Airport (YUL) is around 26 kilometres from the centre of Montreal. If you're catching a cab or a ride-share, the drive will take roughly 25 minutes.

  • Travelling to the centre on public transport takes around 45 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Washington Dulles International Airport to Montreal. Stay at one of these accommodation options near YUL instead:

  • Grab a Montreal-Pierre Elliott Trudeau International Airport rental car and discover Montreal and beyond with your own set of wheels. Avis, Alamo and Routes Car Rentals are popular providers to choose from here.

  • Get the best deal by reserving your ride from Montreal-Pierre Elliott Trudeau International Airport around four weeks ahead of your flight from IAD to Montreal.

  • The street address for YUL is 975 Romeo Vachon Street North.

St. Hubert Airport (YHU)

  • Central Montreal is around 40 kilometres from St. Hubert Airport (YHU). Once your flight from Washington Dulles International Airport to Montreal has landed and you've navigated your way to arrivals, the drive should be around 35 minutes.

  • If you're travelling on public transport, it'll take around 1 hour 45 minutes.

  • Following your IAD to Montreal flight, kick back at a hotel close to YHU. These are some comfortable options that'll help you switch to relaxation mode:

  • Why waste time waiting for a cab? A St. Hubert Airport rental car lets you get moving right away. Roll down your windows and hit the open road with a set of wheels from Enterprise or Budget.

  • Get your preferred vehicle, not just what's left over, by securing your ride from YHU in advance. You'll also avoid last-minute price surges, especially during busy airport times.

Best time to go to Montreal

  • Before you book your flights from Washington Dulles International Airport to Montreal, consider which time of year works best for you. Peak season in Montreal offers a bustling atmosphere and plenty to do, while low season brings cheaper hotel deals and fewer crowds.

  • Before booking a Washington Dulles International Airport to Montreal flight ticket, think about what kind of weather you prefer. July is the warmest month in Montreal, with temperatures ranging from 14ºC (57ºF) to 28ºC (82ºF).

  • Look for cheap tickets from IAD to Montreal in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -19ºC (-2ºF) and -2ºC (28ºF) on average.

More about Montreal

  • Once you've booked your flight from Washington Dulles International Airport to Montreal, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Montreal:

  • Montreal Botanical Garden and Mount Royal Park are a couple of top attractions to put on your Montreal itinerary. Continue your sightseeing adventures at Saint Joseph's Oratory of Mount Royal.

Explore more of Canada

  • Montreal is always a good idea, but there are so many other corners of Canada just waiting to be discovered. About 499 kilometres south-west of Montreal, a trip to Toronto will keep your itinerary packed. Start with leading attractions like CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • Ottawa is another must-experience destination in Canada and is around 153 kilometres west of Montreal. No trip is complete without experiencing Parliament Hill, Rideau Canal and National Gallery of Canada.

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