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 43% 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?

Delta is the most popular carrier 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 May 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$ 227 Cheap Flights from Montreal to Washington, D.C. Dulles Intl Airport in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from C$ 754 to C$ 404. The lowest price recently found on this route was C$ 357.

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

As of May 2026, 12 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 in the afternoon.

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

As of May 2026, 88 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 16% of weekly flights taking off on this day.

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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. - 10:46 a.m.

YUL

IAD

4h 16m

1 stop

4:00 p.m. - 10:10 p.m.

IAD

YUL

6h 10m

1 stop

C$ 357Porter Airlines

Thu, 2 Jul - Mon, 6 Jul

1:05 p.m. - 3:03 p.m.

YUL

IAD

1h 58mdirect

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

IAD

YUL

1h 53mdirect

C$ 360Air Canada

Sat, 13 Jun - Sun, 14 Jun

1:05 p.m. - 3:03 p.m.

YUL

IAD

1h 58mdirect

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

IAD

YUL

1h 53mdirect

C$ 362Air Canada

Fri, 22 May - Mon, 25 May

11:10 a.m. - 3:29 p.m.

YUL

IAD

4h 19m

1 stop

5:15 p.m. - 9:45 p.m.

IAD

YUL

4h 30m

1 stop

C$ 363Air Canada

Sat, 30 May - Sun, 7 Jun

1:05 p.m. - 3:03 p.m.

YUL

IAD

1h 58mdirect

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

IAD

YUL

1h 53mdirect

C$ 364Air Canada

Fri, 22 May - Mon, 25 May

4:10 p.m. - 8:29 p.m.

YUL

IAD

4h 19m

1 stop

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

IAD

YUL

1h 53mdirect

C$ 366Air Canada

Sat, 30 May - Sat, 6 Jun

1:05 p.m. - 3:03 p.m.

YUL

IAD

1h 58mdirect

5:15 p.m. - 9:45 p.m.

IAD

YUL

4h 30m

1 stop

C$ 368Air Canada

Sat, 13 Jun - Sun, 14 Jun

10:30 a.m. - 4:12 p.m.

YUL

IAD

5h 42m

1 stop

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

IAD

YUL

1h 42mdirect

C$ 370Air Canada

Fri, 19 Jun - Wed, 24 Jun

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

YUL

IAD

4h 16m

1 stop

4:00 p.m. - 8:10 p.m.

IAD

YUL

4h 10m

1 stop

C$ 371Porter Airlines

Tue, 14 Jul - Wed, 15 Jul

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

YUL

IAD

4h 16m

1 stop

4:05 p.m. - 10:10 p.m.

IAD

YUL

6h 05m

1 stop

C$ 372Porter Airlines

Thu, 11 Jun - Thu, 11 Jun

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

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

Porter Airlines

2 Jul

YUL6:30 a.m.Montreal Pierre Elliott Trudeau Intl

4h 16m

1 stop

IAD10:46 a.m.Washington, D.C. Dulles Intl

6 Jul

IAD4:00 p.m.Washington, D.C. Dulles Intl

6h 10m

1 stop

YUL10:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 357

Porter Airlines

19 Jun

YUL6:30 a.m.Montreal Pierre Elliott Trudeau Intl

4h 16m

1 stop

IAD10:46 a.m.Washington, D.C. Dulles Intl

22 Jun

IAD11:30 a.m.Washington, D.C. Dulles Intl

6h 40m

1 stop

YUL6:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 360

Porter Airlines

14 Jul

YUL10:35 a.m.Montreal Pierre Elliott Trudeau Intl

4h 41m

1 stop

IAD3:16 p.m.Washington, D.C. Dulles Intl

16 Jul

IAD4:00 p.m.Washington, D.C. Dulles Intl

4h 10m

1 stop

YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 371

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

28 May

YUL12:49 p.m.Montreal Pierre Elliott Trudeau Intl

10h 50m

2 stops

IAD11:39 p.m.Washington, D.C. Dulles Intl

4 Jun

IAD8:05 a.m.Washington, D.C. Dulles Intl

9h 38m

1 stop

YUL5:43 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 402

Delta

2 Jun

YUL12:40 p.m.Montreal Pierre Elliott Trudeau Intl

6h 03m

1 stop

IAD6:43 p.m.Washington, D.C. Dulles Intl

9 Jun

IAD10:16 a.m.Washington, D.C. Dulles Intl

7h 29m

1 stop

YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 404

Delta

24 May

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

4h 22m

1 stop

IAD10:22 a.m.Washington, D.C. Dulles Intl

10 Jun

IAD5:29 p.m.Washington, D.C. Dulles Intl

5h 59m

1 stop

YUL11:28 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 405

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

Thu 2/7

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

1 stop4h 16m

Washington, D.C. Dulles Intl

Mon 6/7

4:00 p.m.-10:10 p.m.

1 stop6h 10m

C$ 357

Quickest round-trip

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

1:05 p.m.-3:03 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 14/6

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

Nonstop1h 53m

C$ 360

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

1:05 p.m.-3:03 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Mon 25/5

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

Nonstop1h 53m

C$ 362

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

11:10 a.m.-3:29 p.m.

1 stop4h 19m

Washington, D.C. Dulles Intl

Sun 7/6

5:15 p.m.-9:45 p.m.

1 stop4h 30m

C$ 363

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

1:05 p.m.-3:03 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Mon 25/5

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

Nonstop1h 53m

C$ 364

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

4:10 p.m.-8:29 p.m.

1 stop4h 19m

Washington, D.C. Dulles Intl

Sat 6/6

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

Nonstop1h 53m

C$ 366

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

1:05 p.m.-3:03 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 14/6

5:15 p.m.-9:45 p.m.

1 stop4h 30m

C$ 368

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 19/6

10:30 a.m.-4:12 p.m.

1 stop5h 42m

Washington, D.C. Dulles Intl

Wed 24/6

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

Nonstop1h 42m

C$ 370

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

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

1 stop4h 16m

Washington, D.C. Dulles Intl

Wed 15/7

4:00 p.m.-8:10 p.m.

1 stop4h 10m

C$ 371

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 11/6

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

1 stop4h 16m

Washington, D.C. Dulles Intl

Thu 11/6

4:05 p.m.-10:10 p.m.

1 stop6h 05m

C$ 372

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?

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 September. Flight prices, which tend to average around C$ 133, 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 September, then you should wait until March to fly from Montreal, when ticket prices are also cheap, with an average price of C$ 148.

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$ 826. 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$ 1,207.

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 at noon. Flights from Montreal to Washington, D.C. Dulles Intl Airport during this time can be as low as C$ 944. 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$ 1,085 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

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$ 296
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$ 296. 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$ 543.

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

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 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 May 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 19.52% of all bookings. The subsequent popular models are Airbus A321-100/200 at 10.83%, Boeing 777-300ER at 10.64%, and Canadair (Bombardier) Regional Jet 900 at 9.08%.
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 42% of the total bookings. Other popular airlines include Porter Airlines with 32% and United Airlines with 26%.

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$ 294	Free Cancellation	Rating 8.0 435 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 362	Free Cancellation	Rating 7.1 10,990 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 426	Free Cancellation	Rating 7.4 9,681 reviews	Search United Airlines flights

United Airlines Flights From Montreal to Washington, D.C. Dulles Intl Airport
United Airlines operates around 30 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$ 539, but momondo users have found United Airlines deals from Montreal to Washington, D.C. Dulles Intl Airport from as low as C$ 426 round-trip. United Airlines has been scored 7.4/10 in 9,684 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, 10,993 ratings). Air Canada flies from Montreal to Washington, D.C. Dulles Intl Airport around 30 times per week, with deals starting from C$ 362 round-trip and rising to an average price of around C$ 527.

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Gettysburg

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Linthicum Heights

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Reston

Laurel

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Winchester

Arlington

Fredericksburg

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Manassas

Woodbridge

Silver Spring

Sterling

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$ 227

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 30/5. 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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Porter Airlines flights from Montreal to Washington, D.C. Dulles Intl Airport

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

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

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

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?

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

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

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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