Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 148

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YUL
15 Mar — 22 Mar1
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 March, booked 80 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap flight deals from Dulles Intl to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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 13 February 2026.

Tue 26/511:30 a.m.
IAD
-
YUL
1 stop6h 45m
Porter Airlines
Sun 31/510:35 a.m.
YUL
-
IAD
1 stop4h 46m
Porter Airlines
Deal found 11/2C$ 375
Wed 22/411:40 a.m.
IAD
-
YUL
1 stop6h 35m
Porter Airlines
Sat 25/48:55 a.m.
YUL
-
IAD
1 stop3h 34m
Porter Airlines
Deal found 11/2C$ 379
Tue 7/46:30 p.m.
IAD
-
YUL
1 stop4h 15m
Porter Airlines
Sat 11/48:55 a.m.
YUL
-
IAD
1 stop3h 34m
Porter Airlines
Deal found 11/2C$ 380
Fri 10/411:40 a.m.
IAD
-
YUL
1 stop6h 05m
Porter Airlines
Mon 13/46:45 a.m.
YUL
-
IAD
1 stop3h 39m
Porter Airlines
Deal found 11/2C$ 382
Fri 13/36:30 p.m.
IAD
-
YUL
1 stop4h 15m
Multiple Airlines
Mon 16/37:00 p.m.
YUL
-
IAD
Nonstop1h 54m
Multiple Airlines
Deal found 11/2C$ 385
Wed 1/46:30 p.m.
IAD
-
YUL
1 stop4h 15m
Porter Airlines
Wed 8/46:45 a.m.
YUL
-
IAD
1 stop3h 39m
Porter Airlines
Deal found 10/2C$ 389
Thu 12/311:40 a.m.
IAD
-
YUL
1 stop4h 50m
Porter Airlines
Thu 19/36:50 a.m.
YUL
-
IAD
1 stop3h 34m
Porter Airlines
Deal found 11/2C$ 394
Tue 14/46:30 p.m.
IAD
-
YUL
1 stop4h 15m
Porter Airlines
Sun 19/48:55 a.m.
YUL
-
IAD
1 stop8h 19m
Porter Airlines
Deal found 12/2C$ 395
Fri 17/46:30 p.m.
IAD
-
YUL
1 stop4h 15m
Porter Airlines
Sun 19/48:55 a.m.
YUL
-
IAD
1 stop8h 19m
Porter Airlines
Deal found 10/2C$ 397
Thu 9/411:40 a.m.
IAD
-
YUL
1 stop6h 05m
Porter Airlines
Sat 11/48:55 a.m.
YUL
-
IAD
1 stop3h 34m
Porter Airlines
Deal found 12/2C$ 398
Tue 21/46:30 p.m.
IAD
-
YUL
1 stop4h 15m
Porter Airlines
Fri 24/46:45 a.m.
YUL
-
IAD
1 stop3h 39m
Porter Airlines
Deal found 10/2C$ 402
Thu 23/46:30 p.m.
IAD
-
YUL
1 stop4h 15m
Multiple Airlines
Sat 25/48:00 a.m.
YUL
-
IAD
2 stops16h 36m
Multiple Airlines
Deal found 10/2C$ 404

Find 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 13 February 2026.

Round-trip from

C$ 372

One-way from

C$ 148

Popular in

December

Cheapest in

January

Average price

C$ 466

Good round-trip deal

C$ 216 or less
Porter Airlines
  • Porter Airlines
  • 29/4-6/5
  • 2 total stops
  • 9h 01m total
  • Washington, D.C. to Montreal
Porter Airlines
  • Porter Airlines
  • 30/4
  • 1 total stop
  • 4h 15m total
  • Washington, D.C. to Montreal
Highest demand for flights based on searches. 1% potential increase in price (C$ 10 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl.

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 13 February 2026.
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

Sat 4/4

12:40 p.m.-2:40 p.m.

Nonstop2h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

4:55 p.m.-12:15 a.m.

1 stop7h 20m

C$ 484

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 12/3

5:46 p.m.-7:48 p.m.

Nonstop2h 02m

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

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

Nonstop2h 14m

C$ 504

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 18/3

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

Nonstop2h 03m

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

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

Nonstop2h 14m

C$ 504

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 30/3

10:08 p.m.-12:13 a.m.

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

2:20 p.m.-4:22 p.m.

Nonstop2h 02m

C$ 504

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 6/3

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

Nonstop2h 03m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

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

Nonstop2h 08m

C$ 504

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 3/4

10:08 p.m.-12:13 a.m.

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

9:15 a.m.-11:17 a.m.

Nonstop2h 02m

C$ 504

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 11/4

12:40 p.m.-2:40 p.m.

Nonstop2h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

9:15 a.m.-11:17 a.m.

Nonstop2h 02m

C$ 504

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 9/4

12:40 p.m.-2:40 p.m.

Nonstop2h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

6:35 p.m.-8:37 p.m.

Nonstop2h 02m

C$ 504

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 17/3

5:46 p.m.-7:48 p.m.

Nonstop2h 02m

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

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

Nonstop2h 14m

C$ 504

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 6/3

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

Nonstop2h 03m

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

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

Nonstop2h 14m

C$ 504

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 23 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 6 February 2026.

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, March 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$ 152). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 353). 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 13 February 2026.

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 13 February 2026.
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.

Overall

7.9

Food

7.5

Comfort

7.9

Crew

8.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

Overall

7.9

Food

7.5

Comfort

7.9

Crew

8.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

Overall

7.9

Food

7.5

Comfort

7.9

Crew

8.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

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 United Airlines fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in about 2h. The time it takes to get you to your destination is usually consistent. Washington, D.C. Dulles Intl Airport and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 785 km. Most flights are nonstop.

  • 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$ 175, 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 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 Air Canada (C$ 164), United Airlines (C$ 177), and Porter Airlines (C$ 192).

  • 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 (75%), Avianca (72%), Copa Airlines (69%).

  • 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$ 512 for a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 148 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 332.

  • 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, March 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$ 152). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 353). 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
Trois-Rivières
Sherbrooke
Cornwall
Brossard
Montebello
Boucherville
Longueuil
Magog
Saint-Jean-sur-Richelieu
Bromont
Drummondville
North Hatley
Saint-Sauveur
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.

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 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 175AverageC$ 589FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 321AverageC$ 374FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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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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