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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. from $127

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 10/19. 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

Porter Airlines Logo
10:45 am - 3:06 pmYUL-IAD
4h 21m1 stop
Porter Airlines Logo
4:20 pm - 10:15 pmIAD-YUL
5h 55m1 stop
$203Porter Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
Porter Airlines Logo
10:45 am - 3:06 pmYUL-IAD
4h 21m1 stop
Porter Airlines Logo
4:20 pm - 8:10 pmIAD-YUL
3h 50m1 stop
$205Porter Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
Porter Airlines Logo
10:45 am - 3:06 pmYUL-IAD
4h 21m1 stop
Porter Airlines Logo
4:20 pm - 8:10 pmIAD-YUL
3h 50m1 stop
$209Porter Airlines
Find Deal
Mon, Sep 22 - Mon, Sep 29
Porter Airlines Logo
10:45 am - 3:06 pmYUL-IAD
4h 21m1 stop
Porter Airlines Logo
4:20 pm - 10:15 pmIAD-YUL
5h 55m1 stop
$217Porter Airlines
Find Deal
Thu, Sep 25 - Fri, Sep 26
Air Canada Logo
7:10 pm - 9:05 pmYUL-IAD
1h 55mnonstop
Air Canada Logo
9:35 am - 11:28 amIAD-YUL
1h 53mnonstop
$224Air Canada
Find Deal
Wed, Sep 24 - Sat, Sep 27
Air Canada Logo
5:00 am - 9:38 amYUL-IAD
4h 38m1 stop
Air Canada Logo
9:35 am - 11:28 amIAD-YUL
1h 53mnonstop
$233Air Canada
Find Deal
Thu, Sep 4 - Sun, Sep 7
Logo
7:10 pm - 9:05 pmYUL-IAD
1h 55mnonstop
Logo
4:20 pm - 10:15 pmIAD-YUL
5h 55m1 stop
$237
Find Deal
Thu, Sep 4 - Sun, Sep 7
Logo
7:10 pm - 9:05 pmYUL-IAD
1h 55mnonstop
Logo
4:20 pm - 10:15 pmIAD-YUL
5h 55m1 stop
$239
Find Deal
Thu, Sep 25 - Fri, Sep 26
United Airlines Logo
9:15 am - 11:13 amYUL-IAD
1h 58mnonstop
United Airlines Logo
5:37 pm - 7:45 pmIAD-YUL
2h 08mnonstop
$272United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 16
Lufthansa Logo
9:15 am - 11:14 amYUL-IAD
1h 59mnonstop
Lufthansa Logo
1:03 pm - 3:00 pmIAD-YUL
1h 57mnonstop
$286Lufthansa
Find Deal
Thu, Aug 14 - Sun, Aug 17

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
Sep 24
YUL7:10 pmMontreal Pierre Elliott Trudeau Intl
1h 55m
IAD9:05 pmWashington, D.C. Dulles Intl
Sep 27
IAD9:35 amWashington, D.C. Dulles Intl
1h 53m
YUL11:28 amMontreal Pierre Elliott Trudeau Intl
$224
Find similar
Air Canada
Sep 4
YUL5:00 amMontreal Pierre Elliott Trudeau Intl
4h 38m
1 stop
IAD9:38 amWashington, D.C. Dulles Intl
Sep 7
IAD9:35 amWashington, D.C. Dulles Intl
1h 53m
YUL11:28 amMontreal Pierre Elliott Trudeau Intl
$233
Find similar
Air Canada
Sep 23
YUL8:00 amMontreal Pierre Elliott Trudeau Intl
5h 38m
1 stop
IAD1:38 pmWashington, D.C. Dulles Intl
Sep 24
IAD9:35 amWashington, D.C. Dulles Intl
1h 53m
YUL11:28 amMontreal Pierre Elliott Trudeau Intl
$236
Find similar

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
Sep 4
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Sep 7
IAD4:20 pmWashington, D.C. Dulles Intl
5h 55m
1 stop
YUL10:15 pmMontreal Pierre Elliott Trudeau Intl
$203
Find similar
Porter Airlines
Sep 4
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Sep 7
IAD4:20 pmWashington, D.C. Dulles Intl
3h 50m
1 stop
YUL8:10 pmMontreal Pierre Elliott Trudeau Intl
$205
Find similar
Porter Airlines
Sep 22
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Sep 29
IAD4:20 pmWashington, D.C. Dulles Intl
3h 50m
1 stop
YUL8:10 pmMontreal Pierre Elliott Trudeau Intl
$209
Find similar

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 July 31, 2025.
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

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Sun 9/7

4:20 pm-10:15 pm

1 stop5h 55m

$203

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Sun 9/7

4:20 pm-8:10 pm

1 stop3h 50m

$205

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 9/22

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Mon 9/29

4:20 pm-8:10 pm

1 stop3h 50m

$209

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 9/25

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Fri 9/26

4:20 pm-10:15 pm

1 stop5h 55m

$217

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 9/24

7:10 pm-9:05 pm

Nonstop1h 55m

Washington, D.C. Dulles Intl

Sat 9/27

9:35 am-11:28 am

Nonstop1h 53m

$224

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

5:00 am-9:38 am

1 stop4h 38m

Washington, D.C. Dulles Intl

Sun 9/7

9:35 am-11:28 am

Nonstop1h 53m

$233

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

7:10 pm-9:05 pm

Nonstop1h 55m

Washington, D.C. Dulles Intl

Sun 9/7

4:20 pm-10:15 pm

1 stop5h 55m

$237

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 9/25

7:10 pm-9:05 pm

Nonstop1h 55m

Washington, D.C. Dulles Intl

Fri 9/26

4:20 pm-10:15 pm

1 stop5h 55m

$239

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 9/16

9:15 am-11:13 am

Nonstop1h 58m

Washington, D.C. Dulles Intl

Tue 9/16

5:37 pm-7:45 pm

Nonstop2h 08m

$272

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 8/14

9:15 am-11:14 am

Nonstop1h 59m

Washington, D.C. Dulles Intl

Sun 8/17

1:03 pm-3:00 pm

Nonstop1h 57m

$286

Flights are sorted by cheapest round-trip flights first.

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

In general, May 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 $261. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $264.

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

Our data shows that Saturday 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 $433. 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 $797.

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 $367 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $654 on average. Flights to Washington, D.C. Dulles Intl Airport from Montreal Pierre Elliott Trudeau Intl Airport in the evening 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

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 Pierre Elliott Trudeau Intl Airport 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 $341 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 Pierre Elliott Trudeau Intl Airport for as low as $229 on momondo.

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?

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

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

As of July 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 18% 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

$127

Fastest flight time

1h 51m

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 $127. 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 $203.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport takes 1h 51m
Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • 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 51m.

  • 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 $202Free CancellationRating
8.0
318 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $220Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
United AirlinesPriceFrom $225Free CancellationRating
7.4
8,900 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 21 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 $436, 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 $225 round-trip. United Airlines has been scored 7.4/10 in 8,900 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 $322, however, with flight time and availability significantly affecting the price. Air Canada (7.1/10 from 9,851 user reviews) flies into Washington, D.C. Dulles Intl Airport from Montreal Pierre Elliott Trudeau Intl Airport 21 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
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie

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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