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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. from $149

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 Pierre Elliott Trudeau Intl Airport to Washington, D.C. departing on 6/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
6:30 am - 10:46 am
YUL
-
IAD
4h 16m
1 stop
Porter Airlines Logo
11:30 am - 5:15 pm
IAD
-
YUL
5h 45m
1 stop
$250Porter Airlines
Thu, May 28 - Tue, Jun 2
Porter Airlines Logo
6:30 am - 10:46 am
YUL
-
IAD
4h 16m
1 stop
Porter Airlines Logo
11:30 am - 5:15 pm
IAD
-
YUL
5h 45m
1 stop
$252Porter Airlines
Fri, May 29 - Sun, May 31
Porter Airlines Logo
6:30 am - 10:46 am
YUL
-
IAD
4h 16m
1 stop
Porter Airlines Logo
11:30 am - 6:15 pm
IAD
-
YUL
6h 45m
1 stop
$253Porter Airlines
Thu, May 21 - Tue, May 26
Porter Airlines Logo
6:30 am - 10:46 am
YUL
-
IAD
4h 16m
1 stop
Porter Airlines Logo
4:05 pm - 10:10 pm
IAD
-
YUL
6h 05m
1 stop
$254Porter Airlines
Tue, Jun 2 - Mon, Jun 8
Air Canada Logo
5:00 pm - 6:58 pm
YUL
-
IAD
1h 58mnonstop
Air Canada Logo
5:15 pm - 9:45 pm
IAD
-
YUL
4h 30m
1 stop
$256Air Canada
Fri, Jun 12 - Sun, Jun 14
Air Canada Logo
1:05 pm - 3:03 pm
YUL
-
IAD
1h 58mnonstop
Air Canada Logo
9:45 am - 11:33 am
IAD
-
YUL
1h 48mnonstop
$257Air Canada
Fri, Jun 12 - Sun, Jun 14
Air Canada Logo
5:00 pm - 6:58 pm
YUL
-
IAD
1h 58mnonstop
Air Canada Logo
3:45 pm - 5:38 pm
IAD
-
YUL
1h 53mnonstop
$260Air Canada
Fri, May 22 - Mon, May 25
Air Canada Logo
5:00 pm - 6:58 pm
YUL
-
IAD
1h 58mnonstop
Air Canada Logo
9:45 am - 11:33 am
IAD
-
YUL
1h 48mnonstop
$263Air Canada
Thu, May 7 - Sun, May 10
United Airlines Logo
6:35 pm - 8:40 pm
YUL
-
IAD
2h 05mnonstop
United Airlines Logo
10:11 pm - 12:13 am
IAD
-
YUL
2h 02mnonstop
$264United Airlines
Fri, May 29 - Sun, May 31
Air Canada Logo
1:05 pm - 3:03 pm
YUL
-
IAD
1h 58mnonstop
Air Canada Logo
3:45 pm - 5:38 pm
IAD
-
YUL
1h 53mnonstop
$265Air Canada
Fri, May 22 - Mon, May 25

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

Our best Porter Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Porter Airlines
May 28
YUL6:30 amMontreal Pierre Elliott Trudeau Intl
4h 16m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
Jun 2
IAD11:30 amWashington, D.C. Dulles Intl
5h 45m
1 stop
YUL5:15 pmMontreal Pierre Elliott Trudeau Intl
$250
Porter Airlines
May 29
YUL6:30 amMontreal Pierre Elliott Trudeau Intl
4h 16m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
May 31
IAD11:30 amWashington, D.C. Dulles Intl
5h 45m
1 stop
YUL5:15 pmMontreal Pierre Elliott Trudeau Intl
$252
Porter Airlines
May 21
YUL6:30 amMontreal Pierre Elliott Trudeau Intl
4h 16m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
May 26
IAD11:30 amWashington, D.C. Dulles Intl
6h 45m
1 stop
YUL6:15 pmMontreal Pierre Elliott Trudeau Intl
$253

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

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Jun 12
YUL5:00 pmMontreal Pierre Elliott Trudeau Intl
1h 58m
IAD6:58 pmWashington, D.C. Dulles Intl
Jun 14
IAD5:15 pmWashington, D.C. Dulles Intl
4h 30m
1 stop
YUL9:45 pmMontreal Pierre Elliott Trudeau Intl
$256
Air Canada
Jun 12
YUL1:05 pmMontreal Pierre Elliott Trudeau Intl
1h 58m
IAD3:03 pmWashington, D.C. Dulles Intl
Jun 14
IAD9:45 amWashington, D.C. Dulles Intl
1h 48m
YUL11:33 amMontreal Pierre Elliott Trudeau Intl
$257
Air Canada
May 22
YUL5:00 pmMontreal Pierre Elliott Trudeau Intl
1h 58m
IAD6:58 pmWashington, D.C. Dulles Intl
May 25
IAD3:45 pmWashington, D.C. Dulles Intl
1h 53m
YUL5:38 pmMontreal Pierre Elliott Trudeau Intl
$260

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 17, 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport 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 5/28

6:30 am-10:46 am

1 stop4h 16m

Washington, D.C. Dulles Intl

Tue 6/2

11:30 am-5:15 pm

1 stop5h 45m

$250

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 5/29

6:30 am-10:46 am

1 stop4h 16m

Washington, D.C. Dulles Intl

Sun 5/31

11:30 am-5:15 pm

1 stop5h 45m

$252

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 5/21

6:30 am-10:46 am

1 stop4h 16m

Washington, D.C. Dulles Intl

Tue 5/26

11:30 am-6:15 pm

1 stop6h 45m

$253

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

6:30 am-10:46 am

1 stop4h 16m

Washington, D.C. Dulles Intl

Mon 6/8

4:05 pm-10:10 pm

1 stop6h 05m

$254

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 6/12

5:00 pm-6:58 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 6/14

5:15 pm-9:45 pm

1 stop4h 30m

$256
Quickest round-trip

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 6/12

1:05 pm-3:03 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 6/14

9:45 am-11:33 am

Nonstop1h 48m

$257

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 5/22

5:00 pm-6:58 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Mon 5/25

3:45 pm-5:38 pm

Nonstop1h 53m

$260

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 5/7

5:00 pm-6:58 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 5/10

9:45 am-11:33 am

Nonstop1h 48m

$263

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 5/29

6:35 pm-8:40 pm

Nonstop2h 05m

Washington, D.C. Dulles Intl

Sun 5/31

10:11 pm-12:13 am

Nonstop2h 02m

$264

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 5/22

1:05 pm-3:03 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Mon 5/25

3:45 pm-5:38 pm

Nonstop1h 53m

$265

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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

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

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

In general, September is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport 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 $269. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $270.

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 $521. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport for around $912.

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 Pierre Elliott Trudeau Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $377 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 $665 on average. Flights to Washington, D.C. Dulles Intl Airport from Montreal Pierre Elliott Trudeau Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Montreal Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl flight prices

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

There are 4 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 18% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport flight.

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

As of April 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 8% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport (YUL to IAD) flight deals and tips

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

Best Price Found

$252

Fastest flight time

1h 46m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is $252. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $348.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport takes 1h 46m
Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

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

  • How far is Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Dulles Intl by plane?

    A flight from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Dulles Intl will travel around 487.7 mi. In terms of flight time, this usually takes a little over 1h 46m.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $197Free CancellationRating
8.0
435 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $220Free CancellationRating
7.1
10,935 reviews
Search Air Canada flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
9,605 reviews
Search United Airlines flights

  • United Airlines Flights From Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport

    United Airlines operates around 26 flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been $481, but momondo users have found United Airlines deals from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport from as low as $246 round-trip. United Airlines has been scored 7.4/10 in 9,605 reviews.

  • Air Canada Flights From Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport

    $220 is the best Air Canada flight deal from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport found on momondo over the last 72 hours. The average Air Canada ticket price found was closer to $337, however, with flight time and availability significantly affecting the price. Air Canada (7.1/10 from 10,935 user reviews) flies into Washington, D.C. Dulles Intl Airport from Montreal Pierre Elliott Trudeau Intl Airport 27 times in an average week so prices can vary.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Sterling
Manassas
Tysons
Linthicum Heights
Bethesda
Fairfax

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Washington, D.C. for you.

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 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.

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