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 45% 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?

United Airlines and Delta 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 March 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$ 195 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 day?

As of March 2026, 8 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 44% of daily flights taking off at noon.

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

As of March 2026, 59 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 Wed, with 15% of weekly flights taking off on this day.

1 adult

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 p.m. - 5:14 p.m.

YUL

IAD

3h 54m

1 stop

6:00 p.m. - 10:45 p.m.

IAD

YUL

4h 45m

1 stop

C$ 353Porter Airlines

Fri, 24 Apr - Sun, 26 Apr

5:50 p.m. - 7:40 p.m.

YUL

IAD

1h 50mdirect

9:55 a.m. - 11:38 a.m.

IAD

YUL

1h 43mdirect

C$ 354Air Canada

Fri, 10 Apr - Mon, 13 Apr

6:30 a.m. - 10:46 a.m.

YUL

IAD

4h 16m

1 stop

11:30 a.m. - 6:15 p.m.

IAD

YUL

6h 45m

1 stop

C$ 357Porter Airlines

Mon, 1 Jun - Fri, 5 Jun

5:00 p.m. - 6:58 p.m.

YUL

IAD

1h 58mdirect

3:45 p.m. - 5:38 p.m.

IAD

YUL

1h 53mdirect

C$ 358Air Canada

Mon, 18 May - Sat, 23 May

6:50 a.m. - 10:54 a.m.

YUL

IAD

4h 04m

1 stop

11:40 a.m. - 4:30 p.m.

IAD

YUL

4h 50m

1 stop

C$ 361Porter Airlines

Mon, 27 Apr - Tue, 28 Apr

6:50 a.m. - 10:54 a.m.

YUL

IAD

4h 04m

1 stop

6:00 p.m. - 10:45 p.m.

IAD

YUL

4h 45m

1 stop

C$ 362Porter Airlines

Thu, 9 Apr - Fri, 10 Apr

6:50 a.m. - 10:54 a.m.

YUL

IAD

4h 04m

1 stop

6:00 p.m. - 10:45 p.m.

IAD

YUL

4h 45m

1 stop

C$ 364Porter Airlines

Thu, 9 Apr - Sun, 12 Apr

6:50 a.m. - 10:54 a.m.

YUL

IAD

4h 04m

1 stop

11:40 a.m. - 4:30 p.m.

IAD

YUL

4h 50m

1 stop

C$ 366Porter Airlines

Wed, 8 Apr - Thu, 16 Apr

1:20 p.m. - 5:14 p.m.

YUL

IAD

3h 54m

1 stop

6:00 p.m. - 10:45 p.m.

IAD

YUL

4h 45m

1 stop

C$ 368Porter Airlines

Fri, 17 Apr - Fri, 24 Apr

6:50 a.m. - 10:54 a.m.

YUL

IAD

4h 04m

1 stop

6:00 p.m. - 10:45 p.m.

IAD

YUL

4h 45m

1 stop

C$ 371Porter Airlines

Thu, 9 Apr - Sun, 12 Apr

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

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

Delta

13 Apr

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

9h 31m

1 stop

IAD4:31 p.m.Washington, D.C. Dulles Intl

20 Apr

IAD5:27 p.m.Washington, D.C. Dulles Intl

6h 24m

1 stop

YUL11:51 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 401

Delta

14 Apr

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

9h 31m

1 stop

IAD4:31 p.m.Washington, D.C. Dulles Intl

18 Apr

IAD6:30 p.m.Washington, D.C. Dulles Intl

5h 21m

1 stop

YUL11:51 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 402

Delta

25 Apr

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

10h 35m

1 stop

IAD5:35 p.m.Washington, D.C. Dulles Intl

2 May

IAD6:00 a.m.Washington, D.C. Dulles Intl

5h 36m

1 stop

YUL11:36 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 403

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

10 Apr

YUL5:50 p.m.Montreal Pierre Elliott Trudeau Intl

1h 50m

IAD7:40 p.m.Washington, D.C. Dulles Intl

13 Apr

IAD9:55 a.m.Washington, D.C. Dulles Intl

1h 43m

YUL11:38 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 354

Air Canada

18 May

YUL5:00 p.m.Montreal Pierre Elliott Trudeau Intl

1h 58m

IAD6:58 p.m.Washington, D.C. Dulles Intl

23 May

IAD3:45 p.m.Washington, D.C. Dulles Intl

1h 53m

YUL5:38 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 358

Air Canada

16 May

YUL5:00 p.m.Montreal Pierre Elliott Trudeau Intl

1h 58m

IAD6:58 p.m.Washington, D.C. Dulles Intl

26 May

IAD3:45 p.m.Washington, D.C. Dulles Intl

1h 53m

YUL5:38 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 368

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

Fri 24/4

1:20 p.m.-5:14 p.m.

1 stop3h 54m

Washington, D.C. Dulles Intl

Sun 26/4

6:00 p.m.-10:45 p.m.

1 stop4h 45m

C$ 353

Quickest round-trip

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

5:50 p.m.-7:40 p.m.

Nonstop1h 50m

Washington, D.C. Dulles Intl

Mon 13/4

9:55 a.m.-11:38 a.m.

Nonstop1h 43m

C$ 354

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

6:30 a.m.-10:46 a.m.

1 stop4h 16m

Washington, D.C. Dulles Intl

Fri 5/6

11:30 a.m.-6:15 p.m.

1 stop6h 45m

C$ 357

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

5:00 p.m.-6:58 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sat 23/5

3:45 p.m.-5:38 p.m.

Nonstop1h 53m

C$ 358

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

6:50 a.m.-10:54 a.m.

1 stop4h 04m

Washington, D.C. Dulles Intl

Tue 28/4

11:40 a.m.-4:30 p.m.

1 stop4h 50m

C$ 361

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

6:50 a.m.-10:54 a.m.

1 stop4h 04m

Washington, D.C. Dulles Intl

Fri 10/4

6:00 p.m.-10:45 p.m.

1 stop4h 45m

C$ 362

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

6:50 a.m.-10:54 a.m.

1 stop4h 04m

Washington, D.C. Dulles Intl

Sun 12/4

6:00 p.m.-10:45 p.m.

1 stop4h 45m

C$ 364

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

6:50 a.m.-10:54 a.m.

1 stop4h 04m

Washington, D.C. Dulles Intl

Thu 16/4

11:40 a.m.-4:30 p.m.

1 stop4h 50m

C$ 366

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

1:20 p.m.-5:14 p.m.

1 stop3h 54m

Washington, D.C. Dulles Intl

Fri 24/4

6:00 p.m.-10:45 p.m.

1 stop4h 45m

C$ 368

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

6:50 a.m.-10:54 a.m.

1 stop4h 04m

Washington, D.C. Dulles Intl

Sun 12/4

6:00 p.m.-10:45 p.m.

1 stop4h 45m

C$ 371

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 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 April. Flight prices, which tend to average around C$ 350, 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 April, then you should wait until February to fly from Montreal, when ticket prices are also cheap, with an average price of C$ 369.

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$ 807. 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$ 1,208.

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$ 754. 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$ 1,090 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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around C$ 434 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Montreal for as low as C$ 291 on momondo.

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

There are 4 cabin classes available to choose from on Montreal to Washington, D.C. Dulles Intl 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$ 423
Fastest flight time	1h 46m
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$ 423. 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$ 505.

The fastest flight from Montreal to Washington, D.C. Dulles Intl Airport takes 1h 46m

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

Search flight deals

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 46m.
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 March 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 17.03% of all bookings. The subsequent popular models are Airbus A321-100/200 at 13.25%, Boeing 777-300ER at 9.84%, and Airbus A330-300 at 9.31%.
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 51% of the total bookings. Other popular airlines include Porter Airlines with 33% and United Airlines with 17%.

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$ 297	Free Cancellation	Rating 8.0 425 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 353	Free Cancellation	Rating 7.1 10,821 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 361	Free Cancellation	Rating 7.4 9,451 reviews	Search United Airlines flights

United Airlines Flights From Montreal to Washington, D.C. Dulles Intl Airport
United Airlines operates around 17 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$ 510, but momondo users have found United Airlines deals from Montreal to Washington, D.C. Dulles Intl Airport from as low as C$ 361 round-trip. United Airlines has been scored 7.4/10 in 9,451 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, 10,821 ratings). Air Canada flies from Montreal to Washington, D.C. Dulles Intl Airport around 21 times per week, with deals starting from C$ 353 round-trip and rising to an average price of around C$ 515.

Alexandria

Gettysburg

Chantilly

Gaithersburg

Fairfax

Linthicum Heights

Bethesda

National Harbor

Reston

Laurel

Herndon

Winchester

Arlington

Leesburg

Fredericksburg

Ashburn

Manassas

Woodbridge

Silver Spring

Rockville

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.

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Cheap flights from Montreal to Washington, D.C. from C$ 195

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 4/5. 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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Delta flights from Montreal to Washington, D.C. Dulles Intl Airport

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

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

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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 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?

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

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

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

Best price found

Fastest flight time

Direct flights

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

United Airlines Flights From Montreal to Washington, D.C. Dulles Intl Airport

Air Canada Flights From Montreal to Washington, D.C. Dulles Intl Airport

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