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

Air Canada, United Airlines and Porter 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 61% of people opting to fly with this airline when traveling 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?

There are 3 operators available for flights from Montreal to Washington, D.C. Dulles Intl Airport as of March 2026.

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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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.

$142 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?

The number of flights available between Montreal and Washington, D.C. Dulles Intl Airport is 59 per week as of March 2026. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

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

8 flights are operational daily from Montreal to Washington, D.C. Dulles Intl Airport as of March 2026. The most popular departure time for this route is 9:00AM, with 44% of flights per day taking off at noon.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

1:20 pm - 5:14 pm

YUL

IAD

3h 54m

1 stop

6:00 pm - 10:45 pm

IAD

YUL

4h 45m

1 stop

$257Porter Airlines

Fri, Apr 24 - Sun, Apr 26

5:50 pm - 7:40 pm

YUL

IAD

1h 50mnonstop

9:55 am - 11:38 am

IAD

YUL

1h 43mnonstop

$258Air Canada

Fri, Apr 10 - Mon, Apr 13

6:30 am - 10:46 am

YUL

IAD

4h 16m

1 stop

11:30 am - 6:15 pm

IAD

YUL

6h 45m

1 stop

$260Porter Airlines

Mon, Jun 1 - Fri, Jun 5

5:00 pm - 6:58 pm

YUL

IAD

1h 58mnonstop

3:45 pm - 5:38 pm

IAD

YUL

1h 53mnonstop

$261Air Canada

Mon, May 18 - Sat, May 23

6:50 am - 10:54 am

YUL

IAD

4h 04m

1 stop

11:40 am - 4:30 pm

IAD

YUL

4h 50m

1 stop

$263Porter Airlines

Mon, Apr 27 - Tue, Apr 28

6:50 am - 10:54 am

YUL

IAD

4h 04m

1 stop

6:00 pm - 10:45 pm

IAD

YUL

4h 45m

1 stop

$264Porter Airlines

Thu, Apr 9 - Fri, Apr 10

6:50 am - 10:54 am

YUL

IAD

4h 04m

1 stop

6:00 pm - 10:45 pm

IAD

YUL

4h 45m

1 stop

$265Porter Airlines

Thu, Apr 9 - Sun, Apr 12

6:50 am - 10:54 am

YUL

IAD

4h 04m

1 stop

11:40 am - 4:30 pm

IAD

YUL

4h 50m

1 stop

$267Porter Airlines

Wed, Apr 8 - Thu, Apr 16

5:00 pm - 6:58 pm

YUL

IAD

1h 58mnonstop

3:45 pm - 5:38 pm

IAD

YUL

1h 53mnonstop

$268Air Canada

Sat, May 16 - Tue, May 26

6:50 am - 10:54 am

YUL

IAD

4h 04m

1 stop

6:00 pm - 10:45 pm

IAD

YUL

4h 45m

1 stop

$270Porter Airlines

Thu, Apr 9 - Sun, Apr 12

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

Apr 13

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

9h 31m

1 stop

IAD4:31 pmWashington, D.C. Dulles Intl

Apr 20

IAD5:27 pmWashington, D.C. Dulles Intl

6h 24m

1 stop

YUL11:51 pmMontreal Pierre Elliott Trudeau Intl

$292

Delta

Apr 14

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

7h 04m

1 stop

IAD2:04 pmWashington, D.C. Dulles Intl

Apr 21

IAD5:27 pmWashington, D.C. Dulles Intl

6h 24m

1 stop

YUL11:51 pmMontreal Pierre Elliott Trudeau Intl

$293

Delta

Apr 25

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

10h 35m

1 stop

IAD5:35 pmWashington, D.C. Dulles Intl

May 1

IAD6:00 amWashington, D.C. Dulles Intl

5h 36m

1 stop

YUL11:36 amMontreal Pierre Elliott Trudeau Intl

$294

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

Apr 10

YUL5:50 pmMontreal Pierre Elliott Trudeau Intl

1h 50m

IAD7:40 pmWashington, D.C. Dulles Intl

Apr 13

IAD9:55 amWashington, D.C. Dulles Intl

1h 43m

YUL11:38 amMontreal Pierre Elliott Trudeau Intl

$258

Air Canada

May 18

YUL5:00 pmMontreal Pierre Elliott Trudeau Intl

1h 58m

IAD6:58 pmWashington, D.C. Dulles Intl

May 23

IAD3:45 pmWashington, D.C. Dulles Intl

1h 53m

YUL5:38 pmMontreal Pierre Elliott Trudeau Intl

$261

Air Canada

May 2

YUL5:00 pmMontreal Pierre Elliott Trudeau Intl

1h 58m

IAD6:58 pmWashington, D.C. Dulles Intl

May 9

IAD3:45 pmWashington, D.C. Dulles Intl

1h 53m

YUL5:38 pmMontreal Pierre Elliott Trudeau Intl

$278

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 4/24

1:20 pm-5:14 pm

1 stop3h 54m

Washington, D.C. Dulles Intl

Sun 4/26

6:00 pm-10:45 pm

1 stop4h 45m

$257

Quickest round-trip

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 4/10

5:50 pm-7:40 pm

Nonstop1h 50m

Washington, D.C. Dulles Intl

Mon 4/13

9:55 am-11:38 am

Nonstop1h 43m

$258

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 6/1

6:30 am-10:46 am

1 stop4h 16m

Washington, D.C. Dulles Intl

Fri 6/5

11:30 am-6:15 pm

1 stop6h 45m

$260

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 5/18

5:00 pm-6:58 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sat 5/23

3:45 pm-5:38 pm

Nonstop1h 53m

$261

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 4/27

6:50 am-10:54 am

1 stop4h 04m

Washington, D.C. Dulles Intl

Tue 4/28

11:40 am-4:30 pm

1 stop4h 50m

$263

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

6:50 am-10:54 am

1 stop4h 04m

Washington, D.C. Dulles Intl

Fri 4/10

6:00 pm-10:45 pm

1 stop4h 45m

$264

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

6:50 am-10:54 am

1 stop4h 04m

Washington, D.C. Dulles Intl

Sun 4/12

6:00 pm-10:45 pm

1 stop4h 45m

$265

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 4/8

6:50 am-10:54 am

1 stop4h 04m

Washington, D.C. Dulles Intl

Thu 4/16

11:40 am-4:30 pm

1 stop4h 50m

$267

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 5/16

5:00 pm-6:58 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Tue 5/26

3:45 pm-5:38 pm

Nonstop1h 53m

$268

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

6:50 am-10:54 am

1 stop4h 04m

Washington, D.C. Dulles Intl

Sun 4/12

6:00 pm-10:45 pm

1 stop4h 45m

$270

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?

In general, April is the cheapest month to fly from Montreal to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $255. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $269.

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

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $483. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to Washington, D.C. Dulles Intl Airport for around $900.

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

Flying to Washington, D.C. Dulles Intl Airport from Montreal in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $360 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $635 on average. Flights to Washington, D.C. Dulles Intl Airport from Montreal at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $316 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 $212 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?

You could potentially save up to 24% on your flight if you consider stops on a Montreal to Washington, D.C. Dulles Intl Airport flight.

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	$240
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 $240. The best round-trip flight deal from Montreal to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $366.

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?
Montreal and Washington, D.C. Dulles Intl are 493.8 mi apart from one another. By plane, this route typically takes 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?
There are 3 operators available for flights from Montreal to Washington, D.C. Dulles Intl Airport as of March 2026.
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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 this flight route, the most popular airline on flight routes from Montreal to Washington, D.C. Dulles Intl Airport is Air Canada (70% of total bookings). The next most popular airline is Porter Airlines (30%).

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 $197	Free Cancellation	Rating 8.0 425 reviews	Search Porter Airlines flights
Air Canada	PriceFrom $220	Free Cancellation	Rating 7.1 10,821 reviews	Search Air Canada flights
United Airlines	PriceFrom $246	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 flight deals from Montreal to Washington, D.C. Dulles Intl Airport start from $246 round-trip. Over the 17 United Airlines flights for this route in a normal week, average airfare is usually $436 round-trip - but some users have found much cheaper deals with momondo.
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 $220 round-trip and rising to an average price of around $335.

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Colonial Beach

Laurel

Towson

Gaithersburg

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Springfield

Linthicum Heights

Bethesda

Sterling

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montreal to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Flights from Montreal to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Montreal to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Montreal and alert you when they change.

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 4/20

Mon 4/27

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.

Popular cities

Other flights from Montreal

Other flights to Washington, D.C.

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United States

Flights to New York John F Kennedy Intl Airportfrom $66

Flights to Newark Airportfrom $66

Flights to New York LaGuardia Airportfrom $68

Flights to Chicago O'Hare Intl Airportfrom $66

Flights to Dallas/Fort Worth Airportfrom $60

Flights to Washington, D.C. Reagan-National Airportfrom $133

Flights to Orlando Airportfrom $58

Flights to Chicago Midway Airportfrom $70

Flights to Dallas Love Field Airport

Flights to Chicago Greater Rockford Airport

Cheap flights from Montreal to Washington, D.C. from $142

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 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

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.

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?

What 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

Traveling to a place near Washington, D.C.?

Why use momondo?

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Montreal flight routes

According to popular flight searches on momondo this year

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year