Which airlines fly to Washington, D.C. Dulles Intl Airport?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Montreal according to our data. Air Canada is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Montreal to Washington, D.C. Dulles Intl?

Porter Airlines, United Airlines, and Air Canada are the most popular carriers operating from Montreal to Washington, D.C. Dulles Intl

How many operators does momondo search for flights from Montreal to Washington, D.C. Dulles Intl Airport?

As of August 2026, there are 3 operators available to choose from for flights from Montreal to Washington, D.C. Dulles Intl Airport.

How old do you have to be to fly from Montreal to Washington, D.C. Dulles Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 241 Cheap Flights from Montreal to Washington, D.C. Dulles Intl Airport in 2026

Q: How many flights depart from Montreal to Washington, D.C. Dulles Intl Airport on average per week?

As of August 2026, 77 flights take off from Montreal and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

Q: How many flights depart from Montreal to Washington, D.C. Dulles Intl Airport on average per day?

As of August 2026, 11 flights take off from Montreal and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 9:00a.m., with 63% of daily flights taking off in the afternoon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 a.m. - 10:45 a.m.

YUL

IAD

4h 15m

1 stop

3:50 p.m. - 10:10 p.m.

IAD

YUL

6h 20m

1 stop

C$ 411Porter Airlines

Wed, 19 Aug - Thu, 27 Aug

6:30 a.m. - 10:45 a.m.

YUL

IAD

4h 15m

1 stop

3:50 p.m. - 10:10 p.m.

IAD

YUL

6h 20m

1 stop

C$ 411Porter Airlines

Fri, 28 Aug - Mon, 31 Aug

9:00 a.m. - 3:10 p.m.

YUL

IAD

6h 10m

1 stop

11:25 a.m. - 6:12 p.m.

IAD

YUL

6h 47m

1 stop

C$ 411Porter Airlines

Fri, 16 Oct - Tue, 20 Oct

12:55 p.m. - 5:08 p.m.

YUL

IAD

4h 13m

1 stop

3:45 p.m. - 5:27 p.m.

IAD

YUL

1h 42mdirect

C$ 413Air Canada

Fri, 4 Sep - Mon, 7 Sep

10:30 a.m. - 4:41 p.m.

YUL

IAD

6h 11m

1 stop

5:20 p.m. - 9:47 p.m.

IAD

YUL

4h 27m

1 stop

C$ 413Air Canada

Thu, 20 Aug - Sun, 23 Aug

1:05 p.m. - 3:01 p.m.

YUL

IAD

1h 56mdirect

9:45 a.m. - 11:27 a.m.

IAD

YUL

1h 42mdirect

C$ 413Air Canada

Thu, 20 Aug - Sun, 23 Aug

1:05 p.m. - 3:01 p.m.

YUL

IAD

1h 56mdirect

10:15 p.m. - 7:15 a.m.

IAD

YUL

9h 00m

1 stop

C$ 423United Airlines

Tue, 1 Sep - Tue, 1 Sep

8:00 p.m. - 7:20 a.m.

YUL

IAD

11h 20m

1 stop

3:45 p.m. - 5:23 p.m.

IAD

YUL

1h 38mdirect

C$ 423United Airlines

Sat, 3 Oct - Sun, 4 Oct

8:40 a.m. - 3:25 p.m.

YUL

IAD

6h 45m

2 stops

11:25 a.m. - 6:12 p.m.

IAD

YUL

6h 47m

1 stop

C$ 458Multiple Airlines

Thu, 17 Sep - Tue, 22 Sep

1:05 p.m. - 3:00 p.m.

YUL

IAD

1h 55mdirect

3:50 p.m. - 9:12 p.m.

IAD

YUL

5h 22m

1 stop

C$ 461Multiple Airlines

Thu, 17 Sep - Thu, 24 Sep

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Air Canada flights from Montreal to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Montreal to Washington, D.C. Dulles Intl Airport flight tickets

Air Canada

20 Aug

YUL10:30 a.m.Montreal Pierre Elliott Trudeau Intl

6h 11m

1 stop

IAD4:41 p.m.Washington, D.C. Dulles Intl

23 Aug

IAD5:20 p.m.Washington, D.C. Dulles Intl

4h 27m

1 stop

YUL9:47 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 413

Air Canada

20 Aug

YUL10:30 a.m.Montreal Pierre Elliott Trudeau Intl

6h 11m

1 stop

IAD4:41 p.m.Washington, D.C. Dulles Intl

23 Aug

IAD9:45 a.m.Washington, D.C. Dulles Intl

1h 42m

YUL11:27 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 415

Air Canada

20 Aug

YUL1:05 p.m.Montreal Pierre Elliott Trudeau Intl

1h 56m

IAD3:01 p.m.Washington, D.C. Dulles Intl

23 Aug

IAD5:20 p.m.Washington, D.C. Dulles Intl

4h 27m

1 stop

YUL9:47 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 416

United Airlines flights from Montreal to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Montreal to Washington, D.C. Dulles Intl Airport flight tickets

United Airlines

1 Sep

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

1h 58m

IAD11:13 a.m.Washington, D.C. Dulles Intl

1 Sep

IAD5:40 p.m.Washington, D.C. Dulles Intl

2h 05m

YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 467

United Airlines

12 Aug

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

1h 58m

IAD11:13 a.m.Washington, D.C. Dulles Intl

22 Aug

IAD5:40 p.m.Washington, D.C. Dulles Intl

2h 05m

YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 492

United Airlines

12 Aug

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

1h 58m

IAD11:13 a.m.Washington, D.C. Dulles Intl

19 Aug

IAD12:43 p.m.Washington, D.C. Dulles Intl

1h 57m

YUL2:40 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 535

momondo 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

6:30 a.m.-10:45 a.m.

1 stop4h 15m

Washington, D.C. Dulles Intl

Thu 27/8

3:50 p.m.-10:10 p.m.

1 stop6h 20m

C$ 410

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 28/8

6:30 a.m.-10:45 a.m.

1 stop4h 15m

Washington, D.C. Dulles Intl

Mon 31/8

3:50 p.m.-10:10 p.m.

1 stop6h 20m

C$ 410

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

9:00 a.m.-3:10 p.m.

1 stop6h 10m

Washington, D.C. Dulles Intl

Tue 20/10

11:25 a.m.-6:12 p.m.

1 stop6h 47m

C$ 410

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

12:55 p.m.-5:08 p.m.

1 stop4h 13m

Washington, D.C. Dulles Intl

Mon 7/9

3:45 p.m.-5:27 p.m.

Nonstop1h 42m

C$ 413

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

10:30 a.m.-4:41 p.m.

1 stop6h 11m

Washington, D.C. Dulles Intl

Sun 23/8

5:20 p.m.-9:47 p.m.

1 stop4h 27m

C$ 413

Quickest round-trip

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

1:05 p.m.-3:01 p.m.

Nonstop1h 56m

Washington, D.C. Dulles Intl

Sun 23/8

9:45 a.m.-11:27 a.m.

Nonstop1h 42m

C$ 413

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

1:05 p.m.-3:01 p.m.

Nonstop1h 56m

Washington, D.C. Dulles Intl

Tue 1/9

10:15 p.m.-7:15 a.m.

1 stop9h 00m

C$ 423

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 3/10

8:00 p.m.-7:20 a.m.

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 4/10

3:45 p.m.-5:23 p.m.

Nonstop1h 38m

C$ 423

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

8:40 a.m.-3:25 p.m.

2 stops6h 45m

Washington, D.C. Dulles Intl

Tue 22/9

11:25 a.m.-6:12 p.m.

1 stop6h 47m

C$ 458

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

1:05 p.m.-3:00 p.m.

Nonstop1h 55m

Washington, D.C. Dulles Intl

Thu 24/9

3:50 p.m.-9:12 p.m.

1 stop5h 22m

C$ 461

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montreal to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Montreal and Washington, D.C. Dulles Intl Airport?

Prices are currently typical for flights on this route.

Typical prices usually range from C$ 336 to C$ 841.
The lowest price recently found on this route was C$ 410.

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

The cheapest month to fly to Washington, D.C. Dulles Intl Airport from Montreal is in February. Flight prices, which tend to average around C$ 378, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. Dulles Intl Airport in February, then you should wait until September to fly from Montreal, when ticket prices are also cheap, with an average price of C$ 439.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Saturday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Montreal. The lowest ticket price found for a Saturday departure recently was C$ 865. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is C$ 1,204.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our most recent data shows that the best time of day to fly to Washington, D.C. Dulles Intl Airport is in the afternoon. Flights from Montreal to Washington, D.C. Dulles Intl Airport during this time can be as low as C$ 771. In the evening is when there is more demand to fly to Washington, D.C. Dulles Intl Airport, so prices are often more expensive at around C$ 1,122 per ticket.

What is the cheapest Montreal to Washington, D.C. Dulles Intl flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Dulles Intl for the best Montreal - Washington, D.C. Dulles Intl flight prices

What cabin class options are available on Montreal to Washington, D.C. Dulles Intl Airport flights?

There are 4 cabin classes available to choose from on Montreal to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Montreal to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Montreal to Washington, D.C. Dulles Intl Airport.

How have Montreal to Washington, D.C. Dulles Intl Airport flight prices changed over time?

When to book flights from Montreal to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Montreal to Washington, D.C. Dulles Intl Airport (YMQ to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Washington, D.C. Dulles Intl Airport

Best price found	C$ 328
Fastest flight time	1h 55m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Montreal in the past 72 hours is C$ 328. The best round-trip flight deal from Montreal to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is C$ 668.

The fastest flight from Montreal to Washington, D.C. Dulles Intl Airport takes 1h 55m

Direct flights go from Montreal to Washington, D.C. Dulles Intl Airport every day.

Search flight deals

Frequently asked questions about flying from Montreal to Washington, D.C. Dulles Intl Airport

How far is Montreal to Washington, D.C. Dulles Intl by plane?
The straight-line distance from Montreal to Washington, D.C. Dulles Intl is 794.7 km. In terms of flight time, this usually takes a little over 1h 55m.
When did momondo last update prices for flights from Montreal to Washington, D.C. Dulles Intl Airport?
Prices for flights from Montreal to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to Washington, D.C. Dulles Intl Airport?
As of August 2026, there are 3 operators available to choose from for flights from Montreal to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Montreal to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Montreal to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Montreal to Washington, D.C. Dulles Intl Airport is Embraer 175 (Enhanced Winglets), representing 20.44% of all bookings. The subsequent popular models are Embraer 175 at 15.33%, Boeing 777-300ER at 8.63%, and Boeing 737 MAX 8 at 8.29%.
What is the most popular airline from Montreal to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Montreal and Washington, D.C. Dulles Intl Airport, the leading airline is Air Canada, making up 53% of the total bookings. Other popular airlines include Porter Airlines with 25% and United Airlines with 22%.

Best airlines flying from Montreal to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Montreal to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Porter Airlines	PriceFrom C$ 304	Free Cancellation	Rating 8.0 450 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 372	Free Cancellation	Rating 7.1 11,422 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 409	Free Cancellation	Rating 7.4 10,058 reviews	Search United Airlines flights

United Airlines Flights From Montreal to Washington, D.C. Dulles Intl Airport
United Airlines operates around 28 flights from Montreal to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been C$ 590, but momondo users have found United Airlines deals from Montreal to Washington, D.C. Dulles Intl Airport from as low as C$ 409 round-trip. United Airlines has been scored 7.4/10 in 10,058 reviews.
Air Canada Flights From Montreal to Washington, D.C. Dulles Intl Airport
Another popular option for Montreal to Washington, D.C. Dulles Intl Airport flights is Air Canada (7.1/10, 11,422 ratings). Air Canada flies from Montreal to Washington, D.C. Dulles Intl Airport around 28 times per week, with deals starting from C$ 372 round-trip and rising to an average price of around C$ 502.

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Gaithersburg

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Fairfax

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Winchester

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Woodbridge

Silver Spring

Leesburg

Falls Church

Rockville

McLean

Tysons

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Montreal to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Montreal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montreal to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Montreal.

I’m not ready to book a flight from Montreal to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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Cheap flights from Montreal to Washington, D.C. from C$ 241

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Washington, D.C. departing on 24/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Montreal to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Montreal to Washington, D.C. Dulles Intl Airport flight tickets

United Airlines flights from Montreal to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Montreal to Washington, D.C. Dulles Intl Airport flight tickets

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Montreal to Washington, D.C. Dulles Intl Airport

What is the typical price of a round-trip flight between Montreal and Washington, D.C. Dulles Intl Airport?

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest Montreal to Washington, D.C. Dulles Intl flight route?

What cabin class options are available on Montreal to Washington, D.C. Dulles Intl Airport flights?

Can stopping save me money on Montreal to Washington, D.C. Dulles Intl Airport flights?

How have Montreal to Washington, D.C. Dulles Intl Airport flight prices changed over time?

What is the cheapest airline that flies from Montreal to Washington, D.C. Dulles Intl?

Which airlines fly to Washington, D.C. Dulles Intl Airport?

How many flights depart from Montreal to Washington, D.C. Dulles Intl Airport on average per day?

How many flights depart from Montreal to Washington, D.C. Dulles Intl Airport on average per week?

When to book flights from Montreal to Washington, D.C. Dulles Intl Airport

Cheap Montreal to Washington, D.C. Dulles Intl Airport (YMQ to IAD) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Montreal to Washington, D.C. Dulles Intl Airport

Best airlines flying from Montreal to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Montreal to Washington, D.C. Dulles Intl Airport with momondo

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