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Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 157

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YUL
8 Jul — 15 Jul1
1 adult

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl are usually found in January or February, booked 59 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from Dulles Intl to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 July 2025.

Round-trip from

C$ 364

One-way from

C$ 157

Popular in

October

Cheapest in

January

Average price

C$ 504

Good one-way deal

C$ 130 or less
Porter Airlines
  • Porter Airlines
  • 22/8-26/8
  • 2 total stops
  • 8h 36m total
  • Washington, D.C. to Montreal
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Porter Airlines
  • Porter Airlines
  • 11/7
  • 1 total stop
  • 4h 25m total
  • Washington, D.C. to Montreal
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 97 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl.
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Find flight deals from Dulles Intl to Pierre Elliott Trudeau Intl

Cheapest flights from Dulles Intl to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Dulles Intl to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Fri 22/811:35 a.m.IAD - YUL
1 stop4h 25mPorter Airlines
Tue 26/810:45 a.m.YUL - IAD
1 stop4h 11mPorter Airlines
Deal found 1/7C$ 364
Sun 17/89:35 a.m.IAD - YUL
Nonstop1h 55mMultiple Airlines
Sun 24/88:55 a.m.YUL - IAD
1 stop6h 01mMultiple Airlines
Deal found 3/7C$ 378
Wed 15/109:35 a.m.IAD - YUL
Nonstop1h 53mAir Canada
Wed 22/107:10 p.m.YUL - IAD
Nonstop1h 55mAir Canada
Deal found 2/7C$ 383
Wed 10/96:00 a.m.IAD - YUL
2 stops10h 12mDelta
Mon 22/911:00 a.m.YUL - IAD
2 stops12h 06mDelta
Deal found 1/7C$ 436

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Pierre Elliott Trudeau Intl 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, Cheapflights users made 629,999 searches. Data last updated 3 July 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Dulles Intl

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 22/8

11:35 a.m.-4:00 p.m.

1 stop4h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 26/8

10:45 a.m.-2:56 p.m.

1 stop4h 11m

C$ 364

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 17/8

9:35 a.m.-11:30 a.m.

Nonstop1h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 24/8

8:55 a.m.-2:56 p.m.

1 stop6h 01m

C$ 378

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 15/10

9:35 a.m.-11:28 a.m.

Nonstop1h 53m

Montreal Pierre Elliott Trudeau Intl

Sat 18/10

7:10 p.m.-9:05 p.m.

Nonstop1h 55m

C$ 383

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 10/9

6:00 a.m.-4:12 p.m.

2 stops10h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

11:00 a.m.-11:06 p.m.

2 stops12h 06m

C$ 436

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 11/7

11:35 a.m.-4:00 p.m.

1 stop4h 25m

C$ 157

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 12/8

9:35 a.m.-11:30 a.m.

Nonstop1h 55m

C$ 159

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 20/9

6:00 a.m.-12:00 p.m.

1 stop6h 00m

C$ 168

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 9/8

1:03 p.m.-3:00 p.m.

Nonstop1h 57m

C$ 187

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 24/7

11:35 a.m.-7:20 p.m.

1 stop7h 45m

C$ 224

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 31/7

12:00 p.m.-11:15 p.m.

1 stop11h 15m

C$ 229

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 11 results
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Best time to book a flight from Dulles Intl to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Pierre Elliott Trudeau Intl. Price data was last updated on 27 June 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to YUL?

Find hourly flight availability from Dulles Intl to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 July 2025.

When flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 28% versus a flight in the morning.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from Dulles Intl to Pierre Elliott Trudeau Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 3 July 2025.

The most flights from IAD to YUL are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated 3 July 2025.
Check out reviews from past customers who have flown with Porter Airlines,Delta, andAir Transat from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
298 reviews
Check prices

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
298 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Delta
8.0
Very good
7,982 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air Transat
7.8
Good
407 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
United Airlines
7.4
Good
8,861 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
WestJet
7.2
Good
2,917 reviews
Porter Airlines
8.0
Very good
298 reviews
Check prices

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Porter Airlines, at C$ 364, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport.Alternate airlines to your destination round-trip include Air Canada and Delta. Porter Airlines is currently priced 25% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport are Porter Airlines (C$ 157), Air Canada (C$ 159), and Delta (C$ 168).

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport on time: Jazz (90%), Air Canada (74%), United Airlines (71%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    On average you can expect to pay C$ 130 for a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 130 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 315.

  • Can I find deals for flights from Dulles Intl to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Dulles Intl to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Dulles Intl to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Dorval
Cornwall
Brossard
Montebello
Drummondville
Trois-Rivières
Sherbrooke
Saint-Jean-sur-Richelieu
Boucherville
Saint-Sauveur
Bromont

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Alternative routes for Dulles Intl to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Pierre Elliott Trudeau Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights

Top 2 airlines flying from Dulles Intl to Pierre Elliott Trudeau Intl

Discover the top 2 airlines that operate flights from Dulles Intl to Pierre Elliott Trudeau Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 193AverageC$ 486FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 322AverageC$ 454FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to Pierre Elliott Trudeau Intl?

Deals for Dulles Intl to Pierre Elliott Trudeau Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Pierre Elliott Trudeau Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Pierre Elliott Trudeau Intl from Dulles Intl.

Can Cheapflights find flights from Dulles Intl to Pierre Elliott Trudeau Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Dulles Intl to Pierre Elliott Trudeau Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Dulles Intl to Pierre Elliott Trudeau Intl become cheaper?

Yes! Start tracking prices for Dulles Intl to Pierre Elliott Trudeau Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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