Cheap Flights from Washington Dulles to Montreal

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 Airport to Montreal? If you want to travel next month, return fares start from R 5,155. 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 October.

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 2,011
Cheapest month to flyOctober
Average flight time1 hr, 51 mins
Most popular airlineAir Canada
Average flights per week109

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 4,248. 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 51 minutes is the average flight time from Washington Dulles to Montreal.
Air Canada, United and Jazz Air fly direct from Washington Dulles to Montreal.
As of July 2026, there are 109 flights per week flying from Washington Dulles to Montreal.
The cheapest month to fly from Washington Dulles to Montreal is usually November.
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 4,248.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Montreal on Wednesday, 25 November 2026.
Yes – the average flight time is 1 hour and 51 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 July, the average temperature is usually around 21°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, Air Canada offers the cheapest flight tickets to Montreal.

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

  • Expect to be travelling for 1 hour 55 minutes. That's the average time for a direct flight from Washington Dulles International Airport to Montreal.

  • Montreal's timezone is UTC-5, which is the same as Washington DC (the location of Washington Dulles International Airport).

  • With 23 weekly flights between the two airports, Washington Dulles International Airport (IAD) to Montreal-Trudeau International Airport (YUL) is the busiest route. United Airlines operates the earliest flight at 08:24. If you're eager to get more out of your day before you fly, the latest departure from IAD to YUL is with United Airlines at 22:10.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to catch your IAD to Montreal flight.

  • You'll likely experience longer queues in popular months such as June. Arriving up to four hours ahead of international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • You can book a direct Washington Dulles International Airport to Montreal ticket. Begin your trip at IAD and arrive at Montreal-Trudeau International Airport (YUL).

  • Keep your eyes peeled for offers from United Airlines. This carrier operates direct flights from Washington Dulles International Airport to Montreal.

  • Think about adding a stopover to potentially find a cheaper plane ticket from IAD to Montreal. Just deselect 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these airports:

    • Toronto Pearson International Airport (YYZ)

    • Philadelphia International Airport (PHL)

    • Ottawa Macdonald-Cartier International Airport (YOW)

  • Located around 40 kilometres from the centre of Washington DC, IAD can be reached in about 45 minutes by car (depending on traffic). The journey on public transport takes roughly 1 hour 10 minutes.

  • Searching for a hotel close to IAD? If you're catching an early flight from Washington Dulles International Airport to Montreal, these accommodation options will put you moments from check-in:

  • When it comes to Washington Dulles International Airport's on-time performance, data shows 77% of flights complete their journey on time.

  • IAD is located at 1 Saarinen Circle.

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

  • R 2,011 is currently the best price for a one-way Washington Dulles International Airport to Montreal flight. Return plane tickets start at R 4,248. These fares may change based on demand.

  • To pick up cheap flights from IAD to Montreal, book ahead. Airlines tend to offer lower fares when flights first go on sale.

  • If you can be flexible with your travel dates, try using the 'Whole month' tool. It'll show you the cheapest price across each month when looking for a Washington Dulles International Airport to Montreal ticket.

  • Snapping up a cheap flight from IAD to Montreal couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll notify you as soon as there's a better deal.

  • Choose your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Washington Dulles International Airport to Montreal by 'Best,' 'Fastest' or 'Cheapest.'

Airports in Montreal

Montreal-Trudeau International Airport (YUL)

  • Montreal-Trudeau International Airport (YUL) is around 19 kilometres from central Montreal. If you're opting for a ride-share or a taxi, the drive takes roughly 25 minutes.

  • It typically takes 45 minutes if you're travelling by public transport.

  • If you're arriving on a late flight from Washington Dulles International Airport to Montreal, few things beat the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and snoozing not long after at one of these accommodation options near YUL:

  • Get the best deal by reserving your vehicle from Montreal-Trudeau International Airport about four weeks in advance of your flight from IAD to Montreal.

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

Montreal Metropolitan Airport (YHU)

  • The centre of Montreal is around 23 kilometres from Montreal Metropolitan Airport (YHU). Once your flight from Washington Dulles International Airport to Montreal has touched down and you've made your way out of the airport, the drive should take about 25 minutes.

  • The trip will take about 1 hour on public transport.

  • After stepping off your IAD to Montreal flight, tuck yourself in at a hotel close to YHU. These are some comfortable accommodation options that'll help you sink into relaxation mode:

  • Pick the vehicle you actually want, not just what's left, by reserving your ride from YHU before your arrival. You can also avoid last-minute price hikes, especially during peak travel times.

Best time to go to Montreal

  • July is the busiest month for flights from Washington Dulles International Airport to Montreal. To steer clear of the crowds, head to Montreal in January.

  • Before booking a Washington Dulles International Airport to Montreal plane ticket, think about the type of weather you enjoy. 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'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -19ºC (-2ºF) and -2ºC (28ºF) on average.

More about Montreal

  • After booking 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 accommodation options your base for exploring Montreal:

  • Every great journey has to include some sightseeing. Montreal Botanical Garden, Cirque du Soleil - KURIOS and Saint Joseph's Oratory of Mount Royal are essential stops on your Montreal itinerary.

Explore more of Canada

  • Toronto is just one of the many places in Canada waiting to be explored once you've seen Montreal. Around 499 kilometres away to the southwest, its best attractions include CN Tower, The Top CN Tower and Royal Ontario Museum.

  • Around 153 kilometres west of Montreal, Ottawa is another favourite stop in Canada. No visit is complete without checking out Rideau Canal National Historic Site, Parliament Hill and Rideau Canal, Locks 1 - 8 - Ottawa.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.