Q: How much does it cost to fly round-trip from Montreal to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment. Montreal to Washington, D.C. Dulles Intl Airport flights typically cost between C$ 444 and C$ 788 in September. The cheapest round-trip price found within the last 3 days was C$ 340 on Porter Airlines (4 Sep-7 Sep).

Question 1

What’s the top layover airport for flights from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Toronto (YTZ) – chosen by Cheapflights users on 95% of one-stop itineraries from Montreal to Washington, D.C. Dulles Intl Airport on Cheapflights.

Question 2

What’s the cheapest layover airport for flights from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 407.

Question 3

What’s the fastest layover option from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Flights via Toronto (YTZ) have the shortest average one-way travel time for 1-stop routes: 3h 54m.

Question 4

How much does it cost to fly round-trip from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Airfare is below average for this route at the moment.Montreal to Washington, D.C. Dulles Intl Airport flights typically cost between C$ 444 and C$ 788 in September.
The cheapest round-trip price found within the last 3 days was C$ 340 on Porter Airlines (4 Sep-7 Sep).

Question 5

Which airport typically offers the quickest layover for flights from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Flights via Toronto (YTZ) offer the fastest connection on this route, with an average layover time of 1h 13m.

Question 6

How long is the flight from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

A quick flight from Montreal to Washington, D.C. Dulles Intl Airport can take about 4h 21m. Porter Airlines provides one of the quickest options available for as low as C$ 340. There are 785 km between Montreal and Washington, D.C. Dulles Intl Airport.

Question 7

What are the cheapest airlines flying from Montreal to Washington, D.C. Dulles Intl Airport round-trip?

Accepted Answer

Flying on Porter Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at C$ 300. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at C$ 339 and C$ 363, respectively. Porter Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

Question 8

What is the cheapest month to book a flight from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Montreal to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Montreal to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 9

What is the cheapest day to fly from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Travelers seeking maximum savings on their Montreal to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 10

Weekly flight availability from Montreal to Washington, D.C. Dulles Intl Airport

Accepted Answer

The most flights from YMQ to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

Question 11

E

Accepted Answer

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Question 12

E

Accepted Answer

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Question 13

What are the cheapest flights from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Looking at all options, your cheapest flight can be booked for C$ 263. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl) can be booked for C$ 334 on average our data indicates C$ 1,113 when flying from Montreal to Washington, D.C. Dulles Intl Airport.

Question 14

What are the most reliable airlines from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The top 3 most reliable airlines when flying from Montreal to Washington, D.C. Dulles Intl Airport are Avianca (82%), Copa Airlines (80%) and Republic Airways (80%).

Question 15

What are the most popular airlines that fly from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The most popular airlines flying from Montreal to Washington, D.C. Dulles Intl Airport are Air Canada, Porter Airlines and United Airlines. Something to consider prior to booking your flight.

Question 16

What is the cheapest day to fly round-trip from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Users have found that flying from Montreal to Washington, D.C. Dulles Intl Airport on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Question 17

How far in advance should I book a flight from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Find a great deal and save up to 222% by booking at least 45 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Montreal to Washington, D.C. Dulles Intl Airport within the next two weeks, with the cheapest ticket starting at C$ 475.

Question 18

What is the cheapest month to fly from Montreal to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The best pricing can be found in the month of May. Prices to Washington, D.C. Dulles Intl Airport from Montreal average C$ 466. You can even find prices in May for less than C$ 466, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as C$ 313. The month of December appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Montreal. Flying in the targeted month can save you up to 14%.

Question 19

What is the cheapest time of day to fly from YMQ to IAD?

Accepted Answer

Unlike in the morning, when flights are generally more expensive, you can save up to 28% on flights from Montreal to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the afternoon.

Question 20

Can I find deals for flights from Montreal to Dulles Intl that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Montreal to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 21

How can I find direct flights from Montreal to Dulles Intl?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Dulles Intl.

Question 22

Can I find deals for business class flights from Montreal to Dulles Intl?

Accepted Answer

Yes. Cheapflights offers flight deals from Montreal to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 23

How does Cheapflights help users find flights from Montreal to Dulles Intl?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl from Montreal today with Cheapflights!

Question 24

Why should you use Cheapflights to find cheap flight tickets from Montreal to Dulles Intl?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Montreal to Dulles Intl.

Question 25

Can Cheapflights find flights from Montreal to Dulles Intl with no change fees?

Accepted Answer

Need flexible booking options for your flight to Dulles Intl from Montreal? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 26

Can Cheapflights notify me if prices for flights from Montreal to Dulles Intl become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Montreal today and book when prices fit your budget.

Round-trip from	C$ 340
One-way from	C$ 210
Popular in	September
Cheapest in	February
Average price	C$ 527
Good round-trip deal	C$ 623 or less
Good one-way deal	C$ 396 or less

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 300	AverageC$ 399	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 339	AverageC$ 492	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 363	AverageC$ 514	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Cheap flights from Montreal to Washington, D.C. Dulles Intl Airport from C$ 210

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Montreal to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Montreal to Dulles Intl

Cheapest flights from Montreal to Dulles IntlExplore the most affordable flight options available from Montreal to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Explore the most affordable flight options available from Montreal to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Montreal to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Montreal with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Montreal to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Montreal to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from YMQ to IAD?

Find hourly flight availability from Montreal to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

What is the cheapest day to fly from Montreal to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Dulles Intl. Price data was last updated on 17 August 2025.

Weekly flight availability from Montreal to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Montreal to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 19 August 2025.

How much does it cost to fly round-trip from Montreal to Washington, D.C. Dulles Intl Airport?

What’s the top layover airport for flights from Montreal to Washington, D.C. Dulles Intl Airport?

Share of one-stop round-trip flights from Montreal to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Montreal to Washington, D.C. Dulles Intl Airport?

Average round-trip fare for 1-stop flights from Montreal to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Montreal to Washington, D.C. Dulles Intl Airport?

Shortest average travel time for 1-stop one-way flights from Montreal to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Montreal to Washington, D.C. Dulles Intl Airport?

Average layover duration for 1-stop one-way flights from Montreal to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from Montreal to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Montreal to Washington, D.C. Dulles Intl Airport?

What are the cheapest airlines flying from Montreal to Washington, D.C. Dulles Intl Airport round-trip?

What are the most reliable airlines from Montreal to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from Montreal to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Montreal to Dulles Intl that include hotel bookings?

How can I find direct flights from Montreal to Dulles Intl?

Can I find deals for business class flights from Montreal to Dulles Intl?

What is the cheapest month to book a flight from Montreal to Washington, D.C. Dulles Intl Airport?

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montreal to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Montreal to Dulles Intl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to Dulles Intl?

Why should you use Cheapflights to find cheap flight tickets from Montreal to Dulles Intl?

Can Cheapflights find flights from Montreal to Dulles Intl with no change fees?

Can Cheapflights notify me if prices for flights from Montreal to Dulles Intl become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Montreal to Dulles Intl
Explore the most affordable flight options available from Montreal to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.