In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 2.5 in.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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.

$116+ Flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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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 Friday or Thursday and return on a Saturday

Cheap flight deals from Dulles Intl to Pierre Elliott Trudeau Intl

Round-trip from	$262 (Kiwi.com)
One-way from	$116 (Kissandfly.com)
Popular in	October
Cheapest in	January
Average price	$367
Good round-trip deal	$386 or less
Good one-way deal	$244 or less

From Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl

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One-way flight from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl

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Highest demand for flights based on searches. 10% potential increase in price ($38 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($9 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 round-trip flight from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl.

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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 July 28, 2025.

Fri 10/1011:35 amIAD - YUL

1 stop4h 25mPorter Airlines

Tue 10/1410:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Deal found 7/26

$262

Wed 9/109:35 amIAD - YUL

Nonstop1h 53mAir Canada

Wed 9/177:10 pmYUL - IAD

Nonstop1h 55mAir Canada

Deal found 7/27

$263

Thu 8/214:10 pmIAD - YUL

1 stop6h 05mMultiple Airlines

Thu 8/287:10 pmYUL - IAD

Nonstop1h 51mMultiple Airlines

Deal found 7/26

$280

Tue 8/266:20 amIAD - YUL

1 stop6h 49mUnited Airlines

Tue 8/264:55 pmYUL - IAD

1 stop7h 37mUnited Airlines

Deal found 7/27

$319

Best flights from Dulles Intl to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Dulles Intl to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2025.

Fri 10/1011:35 amIAD - YUL

1 stop4h 25mPorter Airlines

Tue 10/1410:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Deal found 7/26

$262

Wed 9/109:35 amIAD - YUL

Nonstop1h 53mAir Canada

Wed 9/177:10 pmYUL - IAD

Nonstop1h 55mAir Canada

Deal found 7/27

$263

Thu 8/214:10 pmIAD - YUL

1 stop6h 05mMultiple Airlines

Thu 8/287:10 pmYUL - IAD

Nonstop1h 51mMultiple Airlines

Deal found 7/26

$280

Wed 8/276:20 amIAD - YUL

1 stop6h 49mUnited Airlines

Wed 8/274:55 pmYUL - IAD

1 stop7h 37mUnited Airlines

Deal found 7/28

$319

Last-minute flights from Dulles Intl to Pierre Elliott Trudeau Intl
Discover last-minute flight deals from Dulles Intl to Pierre Elliott Trudeau Intl. Data last updated July 28, 2025 and is based on user searches.

Sun 8/34:10 pmIAD - YUL

1 stop6h 05mMultiple Airlines

Wed 8/137:10 pmYUL - IAD

Nonstop1h 51mMultiple Airlines

Deal found 7/26

$381

Sun 8/39:35 amIAD - YUL

Nonstop1h 55mAir Canada

Wed 8/137:10 pmYUL - IAD

Nonstop1h 51mAir Canada

Deal found 7/26

$397

Tue 8/54:10 pmIAD - YUL

1 stop6h 05mPorter Airlines

Mon 8/1110:45 amYUL - IAD

1 stop4h 11mPorter Airlines

Deal found 7/25

$403

Tue 8/56:00 amIAD - YUL

1 stop5h 57mDelta

Sat 9/207:00 amYUL - IAD

1 stop6h 53mDelta

Deal found 7/26

$412

Tue 8/55:31 pmIAD - YUL

Nonstop2h 14mUnited Airlines

Sat 9/2011:23 amYUL - IAD

1 stop5h 01mUnited Airlines

Deal found 7/28

$485

Tue 8/51:03 pmIAD - YUL

Nonstop1h 57mLufthansa

Mon 8/112:20 pmYUL - IAD

Nonstop1h 59mLufthansa

Deal found 7/25

$565

Sat 8/92:00 pmIAD - YUL

1 stop9h 55mDelta

Tue 8/127:00 amYUL - IAD

1 stop7h 31mDelta

Deal found 7/26

$329

Sun 8/1011:35 amIAD - YUL

1 stop4h 25mPorter Airlines

Mon 8/188:55 amYUL - IAD

1 stop6h 01mPorter Airlines

Deal found 7/26

$262

Thu 8/214:10 pmIAD - YUL

1 stop6h 05mMultiple Airlines

Thu 8/287:10 pmYUL - IAD

Nonstop1h 51mMultiple Airlines

Deal found 7/26

$280

Fri 8/221:00 pmIAD - YUL

Nonstop2h 00mUnited Airlines

Wed 9/32:20 pmYUL - IAD

Nonstop1h 58mUnited Airlines

Deal found 7/28

$328

Sat 8/2310:20 amIAD - YUL

1 stop5h 01mAir Canada

Sat 8/237:10 pmYUL - IAD

Nonstop1h 51mAir Canada

Deal found 7/27

$282

One-way flights from Dulles Intl to Pierre Elliott Trudeau Intl
Search for one-way flight options from Dulles Intl to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated July 28, 2025.

Tue 9/234:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 7/26

$116

Sun 8/179:35 amIAD - YUL

Nonstop1h 55mAir Canada

Deal found 7/27

$125

Sat 9/205:25 pmIAD - YUL

1 stop6h 31mDelta

Deal found 7/28

$135

Fri 9/55:37 pmIAD - YUL

Nonstop2h 08mUnited Airlines

Deal found 7/27

$137

Fri 9/51:00 pmIAD - YUL

Nonstop2h 00mLufthansa

Deal found 7/27

$153

Sun 8/313:26 pmIAD - YUL

2 stops15h 42mWestJet

Deal found 7/26

$166

Mon 9/86:10 amIAD - YUL

3 stops16h 05mMultiple Airlines

Deal found 7/27

$177

Cheapflights Fare Finder

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

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 10/10

11:35 am-4:00 pm

1 stop4h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 10/14

10:45 am-3:06 pm

1 stop4h 21m

$262

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 9/10

9:35 am-11:28 am

Nonstop1h 53m

Montreal Pierre Elliott Trudeau Intl

Wed 9/17

7:10 pm-9:05 pm

Nonstop1h 55m

$263

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 8/21

4:10 pm-10:15 pm

1 stop6h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 8/28

7:10 pm-9:01 pm

Nonstop1h 51m

$280

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 8/26

6:20 am-1:09 pm

1 stop6h 49m

Montreal Pierre Elliott Trudeau Intl

Tue 8/26

4:55 pm-12:32 am

1 stop7h 37m

$319

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 8/9

2:00 pm-11:55 pm

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 8/12

7:00 am-2:31 pm

1 stop7h 31m

$329

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 9/23

4:20 pm-8:10 pm

1 stop3h 50m

$116

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 8/17

9:35 am-11:30 am

Nonstop1h 55m

$125

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 9/20

5:25 pm-11:56 pm

1 stop6h 31m

$135

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 9/5

5:37 pm-7:45 pm

Nonstop2h 08m

$137

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 9/5

1:00 pm-3:00 pm

Nonstop2h 00m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 12 results

The best insider tips for Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport trip

Airports

IAD

For a smooth departure from IAD, use the Aerotrain for quick access to concourses, but allow time for long walks to gates.

YUL

Upon arrival at YUL, take the Line 747 bus for an affordable ride to downtown Montreal, running every 10-15 minutes.

Our travel experts

John Walton

Expert on YUL

Ramsey Qubein

Expert on IAD

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?

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January 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 $270). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flight should consider departing on Sunday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

The most flights from IAD to YUL are scheduled on a Monday (10 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (9 on average).

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport, such as Porter Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

316 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Porter Airlines

8.0

Very good

316 reviews

Porter Airlines

8.0

Very good

316 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Delta

8.0

Very good

7,971 reviews

Porter Airlines

8.0

Very good

316 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

United Airlines

7.4

Good

8,893 reviews

Porter Airlines

8.0

Very good

316 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

WestJet

7.2

Good

2,968 reviews

Porter Airlines

8.0

Very good

316 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Air Canada

7.1

Good

9,813 reviews

Porter Airlines

8.0

Very good

316 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Related info for your journey

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport round-trip?
According to our current data, Porter Airlines ($262), Air Canada ($263), and United Airlines ($319) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. Porter Airlines is priced at 24% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport one-way?
One-way options have recently been found by users for as low as $116 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from $125 and Delta from $135 one-way.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
Consider Jazz (84%), Air Canada (71%) or United Airlines (70%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport.
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport? While on average our users pay $1,749, our data indicates the cheapest price to be $137. The most popular route (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl), is priced around $244.
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, January 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 $270). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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

Laval

Longueuil

Brossard

Sherbrooke

Dorval

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Dulles Intl to Pierre Elliott Trudeau Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$131	Average$385	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$223	Average$411	FlexibilityNo cancel fee	On-time69%
Porter Airlines	Cheapest$253	Average$350	FlexibilityNo cancel fee	On-time52%

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$116+ Cheap flights from Dulles Intl (IAD) to Pierre Elliott Trudeau Intl (YUL)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Pierre Elliott Trudeau Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Friday or Thursday and return on a Saturday

Cheap flight deals from Dulles Intl to Pierre Elliott Trudeau Intl

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One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

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Find flight deals from Dulles Intl to Pierre Elliott Trudeau Intl

Cheapest flights from Dulles Intl to Pierre Elliott Trudeau IntlExplore 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 July 28, 2025.

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 July 28, 2025.

Cheapflights Fare Finder

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.

The best insider tips for Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport trip

Airports

IAD

YUL

Our travel experts

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.

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 July 25, 2025.

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

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 July 28, 2025.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Pierre Elliott Trudeau Intl. Price data was last updated on July 20, 2025.

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

Reviews of airlines servicing Pierre Elliott Trudeau Intl

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?

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

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

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

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

How can I 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?

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

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

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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 3 airlines flying from Dulles Intl to Pierre Elliott Trudeau Intl

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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 July 28, 2025.