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Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 187

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YUL
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

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 80 days in advance, depart on a Tuesday or Monday and return on a Saturday

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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 30 October 2025.

Thu 20/1111:40 a.m.IAD - YUL
1 stop6h 05mPorter Airlines
Mon 24/111:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 29/10C$ 348
Fri 28/116:30 p.m.IAD - YUL
1 stop4h 15mMultiple Airlines
Fri 5/127:00 p.m.YUL - IAD
Nonstop1h 59mMultiple Airlines
Deal found 29/10C$ 370
Sat 22/111:45 p.m.IAD - YUL
1 stop5h 00mPorter Airlines
Tue 25/1111:25 a.m.YUL - IAD
1 stop5h 49mPorter Airlines
Deal found 28/10C$ 371
Tue 2/126:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Tue 9/121:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 28/10C$ 374
Fri 21/116:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Tue 25/111:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 28/10C$ 378
Wed 3/1211:40 a.m.IAD - YUL
1 stop4h 50mPorter Airlines
Tue 9/121:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 28/10C$ 383
Sun 23/116:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Fri 28/111:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 30/10C$ 385
Thu 11/1211:40 a.m.IAD - YUL
1 stop6h 05mMultiple Airlines
Mon 15/1210:10 a.m.YUL - IAD
1 stop5h 36mMultiple Airlines
Deal found 28/10C$ 392
Mon 24/116:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Thu 27/111:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 28/10C$ 394
Thu 27/1111:40 a.m.IAD - YUL
1 stop3h 40mPorter Airlines
Sat 3/16:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Deal found 27/10C$ 401
Sun 7/1211:40 a.m.IAD - YUL
1 stop6h 05mPorter Airlines
Sun 21/126:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Deal found 28/10C$ 402

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 30 October 2025.

Round-trip from

C$ 348

One-way from

C$ 187

Popular in

October

Cheapest in

January

Average price

C$ 609

Good round-trip deal

C$ 150 or less
Porter Airlines
  • Porter Airlines
  • 20/11-24/11
  • 2 total stops
  • 9h 39m total
  • Washington, D.C. to Montreal
Search Deals
13/12
  • 13/12
  • 1 total stop
  • 27h 10m total
  • Washington, D.C. to Montreal
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl.
Search Deals

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 30 October 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

Sun 15/2

6:30 p.m.-10:45 p.m.

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

6:45 a.m.-10:24 a.m.

1 stop3h 39m

C$ 440

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 15/2

1:13 p.m.-3:16 p.m.

Nonstop2h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

9:15 a.m.-11:29 a.m.

Nonstop2h 14m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 4/12

1:20 p.m.-3:16 p.m.

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

7:00 p.m.-8:59 p.m.

Nonstop1h 59m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 6/2

5:48 p.m.-7:48 p.m.

Nonstop2h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 13/2

2:13 p.m.-4:21 p.m.

Nonstop2h 08m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 6/2

5:48 p.m.-7:48 p.m.

Nonstop2h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 13/2

7:00 p.m.-8:59 p.m.

Nonstop1h 59m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 20/11

5:50 p.m.-7:48 p.m.

Nonstop1h 58m

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

9:15 a.m.-11:23 a.m.

Nonstop2h 08m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 4/12

1:20 p.m.-3:16 p.m.

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

9:15 a.m.-11:23 a.m.

Nonstop2h 08m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 3/12

5:50 p.m.-7:48 p.m.

Nonstop1h 58m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

9:15 a.m.-11:23 a.m.

Nonstop2h 08m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 2/12

1:20 p.m.-3:16 p.m.

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

9:15 a.m.-11:23 a.m.

Nonstop2h 08m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 5/12

10:35 p.m.-1:28 p.m.

1 stop14h 53m

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

7:00 p.m.-8:59 p.m.

Nonstop1h 59m

C$ 500

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 22 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 24 October 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 80 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, September 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$ 158). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in August is currently the most expensive (average of C$ 356). 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 30 October 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport as you normally would.

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 30 October 2025.
Check out reviews from past customers who have flown with Porter Airlines and Air Canada 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
384 reviews
Check prices

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,376 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Airlines like Porter Airlines and United Airlines fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in about 2h 03m. The time it takes to get you to your destination can typically vary by up to 2h 12m. Washington, D.C. Dulles Intl Airport and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 785 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Air Canada, at C$ 180, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. An alternate airline flying to your destination would be Porter Airlines. Air Canada is currently priced 63% below the average price you’ll pay for this route.

  • 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 (93%), Air Canada (90%), Avianca (89%).

  • 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$ 912 for a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 150 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 318.

  • 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, September 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$ 158). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in August is currently the most expensive (average of C$ 356). 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 Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Dorval
Cornwall
Sherbrooke
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

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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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 180AverageC$ 498FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 330AverageC$ 414FlexibilityNo 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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