Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 189

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YUL
10 Jun — 17 Jun1
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 81 days in advance, depart on a Thursday or Friday 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 11 May 2026.

Sat 11/711:30 a.m.
IAD
-
YUL
1 stop6h 40m
Porter Airlines
Wed 15/76:30 a.m.
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 11/5C$ 380
Tue 23/64:00 p.m.
IAD
-
YUL
1 stop4h 10m
Porter Airlines
Thu 2/76:30 a.m.
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 10/5C$ 387
Tue 4/84:00 p.m.
IAD
-
YUL
1 stop4h 10m
Porter Airlines
Thu 13/810:35 a.m.
YUL
-
IAD
1 stop4h 41m
Porter Airlines
Deal found 11/5C$ 388
Sat 11/711:30 a.m.
IAD
-
YUL
1 stop6h 40m
Porter Airlines
Fri 17/710:35 a.m.
YUL
-
IAD
1 stop4h 41m
Porter Airlines
Deal found 10/5C$ 390
Sun 21/64:00 p.m.
IAD
-
YUL
1 stop4h 10m
Porter Airlines
Thu 25/66:30 a.m.
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 9/5C$ 391
Sun 14/611:30 a.m.
IAD
-
YUL
1 stop5h 45m
Porter Airlines
Thu 25/610:35 a.m.
YUL
-
IAD
1 stop4h 41m
Porter Airlines
Deal found 10/5C$ 392
Sun 14/611:30 a.m.
IAD
-
YUL
1 stop5h 45m
Porter Airlines
Thu 18/66:30 a.m.
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 11/5C$ 394
Fri 7/84:00 p.m.
IAD
-
YUL
1 stop4h 10m
Porter Airlines
Thu 13/810:35 a.m.
YUL
-
IAD
1 stop4h 41m
Porter Airlines
Deal found 11/5C$ 395
Thu 6/84:00 p.m.
IAD
-
YUL
1 stop4h 10m
Porter Airlines
Mon 10/86:30 a.m.
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 11/5C$ 397
Sun 14/611:30 a.m.
IAD
-
YUL
1 stop5h 45m
Porter Airlines
Fri 19/66:30 a.m.
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 9/5C$ 398
Wed 5/811:30 a.m.
IAD
-
YUL
1 stop6h 40m
Porter Airlines
Fri 7/810:35 a.m.
YUL
-
IAD
1 stop4h 41m
Porter Airlines
Deal found 9/5C$ 399
Mon 29/611:30 a.m.
IAD
-
YUL
1 stop6h 40m
Porter Airlines
Fri 3/710:35 a.m.
YUL
-
IAD
1 stop4h 41m
Porter Airlines
Deal found 10/5C$ 401

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 11 May 2026.

Round-trip from

C$ 380

One-way from

C$ 189

Popular in

May

Cheapest in

March

Average price

C$ 712

Good one-way deal

C$ 307 or less
Porter Airlines
  • Porter Airlines
  • 15/7-22/7
  • 2 total stops
  • 8h 26m total
  • Washington, D.C. to Montreal
Porter Airlines
  • Porter Airlines
  • 22/6
  • 1 total stop
  • 6h 40m total
  • Washington, D.C. to Montreal
Highest demand for flights based on searches. 11% potential increase in price (C$ 88 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a one-way 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 11 May 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 - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 9/6

5:34 p.m.-7:45 p.m.

Nonstop2h 11m

Montreal Pierre Elliott Trudeau Intl

Thu 11/6

2:20 p.m.-4:19 p.m.

Nonstop1h 59m

C$ 502

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 27/5

6:33 a.m.-1:09 p.m.

1 stop6h 36m

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

6:35 p.m.-8:40 p.m.

Nonstop2h 05m

C$ 516

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 28/5

5:31 p.m.-11:57 p.m.

1 stop6h 26m

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

12:40 p.m.-9:24 p.m.

1 stop8h 44m

C$ 536

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 4/6

6:33 a.m.-1:09 p.m.

1 stop6h 36m

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

3:25 p.m.-11:19 p.m.

1 stop7h 54m

C$ 536

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 11/6

6:33 a.m.-4:10 p.m.

1 stop9h 37m

Montreal Pierre Elliott Trudeau Intl

Sun 14/6

11:23 a.m.-11:19 p.m.

1 stop11h 56m

C$ 536

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 11/7

6:33 a.m.-1:09 p.m.

1 stop6h 36m

Montreal Pierre Elliott Trudeau Intl

Thu 16/7

9:15 a.m.-11:12 a.m.

Nonstop1h 57m

C$ 541

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 11/6

6:05 a.m.-6:54 p.m.

2 stops12h 49m

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

6:50 p.m.-12:44 a.m.

1 stop5h 54m

C$ 550

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 24/5

3:09 p.m.-11:57 p.m.

1 stop8h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

12:49 p.m.-12:51 a.m.

2 stops12h 02m

C$ 550

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 16/6

6:00 a.m.-6:54 p.m.

2 stops12h 54m

Montreal Pierre Elliott Trudeau Intl

Thu 25/6

6:50 p.m.-12:44 a.m.

1 stop5h 54m

C$ 550

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 5/6

6:08 a.m.-6:53 p.m.

2 stops12h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

12:47 p.m.-12:44 a.m.

2 stops11h 57m

C$ 558

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 22 resultsSorted by cheapest first
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2
3

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 79 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$ 395). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in May is currently the most expensive (average of C$ 712). 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 11 May 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 morning, which can drop the price by up to 29% versus a flight in the evening.

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 11 May 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.

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 and Delta fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in about 2h 02m. The time it takes to get you to your destination can typically vary by up to 3h 25m. 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$ 418, 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 18% 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 (92%), Republic Airways (88%).

  • 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$ 319 for a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 244 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 380.

  • 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$ 395). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in May is currently the most expensive (average of C$ 712). 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
Trois-Rivières
Dorval
Sherbrooke
Brossard
Cornwall
Longueuil
Montebello
Boucherville
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 11 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 418AverageC$ 594FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 550AverageC$ 648FlexibilityNo 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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