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Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 226

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YUL
12 Sep — 19 Sep1
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 March or January, booked 34 days in advance, depart on a Thursday or Saturday 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 August 2026.

Thu 24/93:50 p.m. -
1 stop5h 22m
Sun 27/910:35 a.m. -
1 stop4h 35m
Deal found 12/8C$ 447
Thu 27/811:25 a.m. -
1 stop6h 45m
Sun 30/810:35 a.m. -
1 stop4h 35m
Deal found 11/8C$ 450
Sat 26/911:25 a.m. -
1 stop6h 47m
Mon 5/106:30 a.m. -
1 stop4h 15m
Deal found 11/8C$ 451
Tue 22/911:25 a.m. -
1 stop6h 47m
Mon 5/106:30 a.m. -
1 stop4h 15m
Deal found 9/8C$ 453
Thu 24/911:25 a.m. -
1 stop6h 47m
Thu 1/106:30 a.m. -
1 stop4h 15m
Deal found 10/8C$ 456
Sun 13/911:25 a.m. -
1 stop6h 47m
Fri 25/99:00 a.m. -
1 stop6h 10m
Deal found 11/8C$ 457
Tue 8/93:50 p.m. -
1 stop5h 22m
Mon 21/96:30 a.m. -
1 stop4h 15m
Deal found 11/8C$ 458
Sat 19/911:25 a.m. -
1 stop6h 47m
Mon 21/96:30 a.m. -
1 stop4h 15m
Deal found 10/8C$ 460
Sat 22/811:25 a.m. -
1 stop6h 45m
Mon 31/86:30 a.m. -
1 stop4h 15m
Deal found 8/8C$ 461
Fri 11/93:50 p.m. -
1 stop5h 22m
Sun 27/910:35 a.m. -
1 stop4h 35m
Deal found 11/8C$ 463
Wed 9/911:25 a.m. -
1 stop6h 47m
Mon 21/99:00 a.m. -
1 stop6h 10m
Deal found 11/8C$ 464

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 August 2026.

Round-trip from

C$ 447

One-way from

C$ 226

Popular in

August

Cheapest in

March

Average price

C$ 704

Good round-trip deal

C$ 667 or less

Good one-way deal

C$ 263 or less
Porter Airlines
  • Porter Airlines
  • 24/9-27/9
  • 2 total stops
  • 9h 57m total
  • Washington, D.C. to Montreal
Search Deals
Porter Airlines
  • Porter Airlines
  • 22/9
  • 1 total stop
  • 6h 47m total
  • Washington, D.C. to Montreal
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl.
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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 August 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 24/9

3:50 p.m.-9:12 p.m.

1 stop5h 22m

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

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

1 stop4h 15m

C$ 552

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Sat 5/9

5:40 p.m.-7:45 p.m.

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

9:15 a.m.-11:13 a.m.

Nonstop1h 58m

C$ 582

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 1/10

3:15 p.m.-11:50 p.m.

1 stop8h 35m

Montreal Pierre Elliott Trudeau Intl

Tue 6/10

7:00 a.m.-5:10 p.m.

1 stop10h 10m

C$ 610

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Sat 10/10

5:40 p.m.-7:45 p.m.

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

2:20 p.m.-4:18 p.m.

Nonstop1h 58m

C$ 638

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 3/9

8:35 a.m.-4:10 p.m.

1 stop7h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

9:15 a.m.-11:13 a.m.

Nonstop1h 58m

C$ 678
Quickest round-trip

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Sun 27/12

5:45 p.m.-7:33 p.m.

Nonstop1h 48m

Montreal Pierre Elliott Trudeau Intl

Thu 31/12

9:15 a.m.-11:01 a.m.

Nonstop1h 46m

C$ 692

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 8/10

5:40 p.m.-7:45 p.m.

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 11/10

9:15 a.m.-11:13 a.m.

Nonstop1h 58m

C$ 692

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Wed 23/12

10:44 p.m.-1:10 p.m.

1 stop14h 26m

Montreal Pierre Elliott Trudeau Intl

Wed 30/12

6:25 p.m.-8:23 p.m.

Nonstop1h 58m

C$ 706

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Sun 13/9

5:45 p.m.-10:06 p.m.

1 stop4h 21m

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

9:15 a.m.-11:13 a.m.

Nonstop1h 58m

C$ 706

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Sat 26/12

10:44 p.m.-1:10 p.m.

1 stop14h 26m

Montreal Pierre Elliott Trudeau Intl

Fri 22/1

9:30 a.m.-11:16 a.m.

Nonstop1h 46m

C$ 706

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 33 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$ 403). 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$ 704). 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 August 2026.

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 in the evening, which can drop the price by up to 22% versus a flight at noon.

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

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 507 and C$ 846 in September.
The cheapest round-trip price found within the last 5 days was C$ 447 on Porter Airlines (24 Sep-27 Sep).

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 August 2026.
Check out reviews from past customers who have flown with United 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.
United Airlines
7.4
Good
10,113 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
10,113 reviews
United Airlines
7.4
Good
10,113 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Air Canada
7.1
Good
11,466 reviews
United Airlines
7.4
Good
10,113 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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, United Airlines, and Delta fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in about 2h 05m. The time it takes to get you to your destination can typically vary by up to 6h 30m. 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$ 425, 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 United Airlines. Air Canada is currently priced 24% 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: Copa Airlines (81%), Republic Airways (81%), Avianca (80%).

  • 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$ 583 for a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 238 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 447.

  • 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$ 403). 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$ 704). 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
Trois-Rivières
Laval
Dorval
Brossard
Sherbrooke
Longueuil
Cornwall
Boucherville
Magog
Montebello
Bromont
Saint-Jean-sur-Richelieu
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.
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 13 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 425AverageC$ 667FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 561AverageC$ 661FlexibilityNo cancel feeOn-time69%
Search United 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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