In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

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.

C$ 186+ Flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

Q: 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 Tuesday afternoons when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Q: 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 Monday, which is when the least amount of flights are scheduled (10 on average).

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

Cheap flight deals from Dulles Intl to Pierre Elliott Trudeau Intl

Round-trip from	C$ 400
One-way from	C$ 186
Popular in	October
Cheapest in	January
Average price	C$ 582
Good round-trip deal	C$ 785 or less
Good one-way deal	C$ 195 or less

Porter Airlines
6/11-7/11
2 total stops
9h 44m total
Washington, D.C. to Montreal

Search Deals

Porter Airlines
23/10
1 total stop
5h 55m total
Washington, D.C. to Montreal

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 123 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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

Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl.

Search Deals

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 17 September 2025.

Thu 30/109:52 p.m.IAD - YUL

2 stops26h 43mMultiple Airlines

Thu 6/116:45 a.m.YUL - IAD

1 stop3h 39mMultiple Airlines

Deal found 15/9C$ 384

Thu 30/109:45 a.m.IAD - YUL

Nonstop1h 53mAir Canada

Thu 6/117:00 p.m.YUL - IAD

Nonstop1h 54mAir Canada

Deal found 15/9C$ 396

Thu 6/119:45 a.m.IAD - YUL

Nonstop1h 45mAir Canada

Mon 10/117:00 p.m.YUL - IAD

Nonstop1h 54mAir Canada

Deal found 16/9C$ 402

Thu 6/1111:40 a.m.IAD - YUL

1 stop4h 50mPorter Airlines

Mon 10/1111:25 a.m.YUL - IAD

1 stop5h 49mPorter Airlines

Deal found 16/9C$ 403

Thu 6/1111:40 a.m.IAD - YUL

1 stop6h 05mMultiple Airlines

Mon 10/117:00 p.m.YUL - IAD

Nonstop1h 54mMultiple Airlines

Deal found 16/9C$ 404

Mon 13/1011:35 a.m.IAD - YUL

1 stop7h 10mPorter Airlines

Mon 20/108:55 a.m.YUL - IAD

1 stop6h 11mPorter Airlines

Deal found 15/9C$ 407

Thu 6/1111:40 a.m.IAD - YUL

1 stop4h 50mPorter Airlines

Sun 9/116:45 a.m.YUL - IAD

1 stop3h 39mPorter Airlines

Deal found 15/9C$ 409

Thu 6/119:52 p.m.IAD - YUL

2 stops26h 43mMultiple Airlines

Thu 13/111:40 p.m.YUL - IAD

1 stop3h 34mMultiple Airlines

Deal found 15/9C$ 411

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 17 September 2025.

Sat 1/115:50 p.m.IAD - YUL

Nonstop1h 58mUnited Airlines

Wed 5/119:15 a.m.YUL - IAD

Nonstop2h 08mUnited Airlines

Deal found 17/9C$ 450

Thu 30/101:20 p.m.IAD - YUL

Nonstop1h 56mMultiple Airlines

Sun 2/117:00 p.m.YUL - IAD

Nonstop1h 54mMultiple Airlines

Deal found 16/9C$ 458

Thu 6/111:20 p.m.IAD - YUL

Nonstop1h 56mUnited Airlines

Thu 13/119:15 a.m.YUL - IAD

Nonstop2h 08mUnited Airlines

Deal found 17/9C$ 450

Sat 25/101:00 p.m.IAD - YUL

Nonstop2h 00mMultiple Airlines

Sun 2/117:00 p.m.YUL - IAD

Nonstop1h 54mMultiple Airlines

Deal found 16/9C$ 458

Mon 1/125:50 p.m.IAD - YUL

Nonstop1h 58mUnited Airlines

Sat 6/122:13 p.m.YUL - IAD

Nonstop2h 08mUnited Airlines

Deal found 16/9C$ 450

Thu 30/101:20 p.m.IAD - YUL

Nonstop1h 56mUnited Airlines

Sat 1/119:15 a.m.YUL - IAD

Nonstop2h 08mUnited Airlines

Deal found 16/9C$ 450

Tue 2/128:45 a.m.IAD - YUL

1 stop4h 43mUnited Airlines

Sat 6/129:15 a.m.YUL - IAD

Nonstop2h 08mUnited Airlines

Deal found 17/9C$ 464

Sun 12/108:30 a.m.IAD - YUL

1 stop4h 39mUnited Airlines

Thu 16/109:15 a.m.YUL - IAD

Nonstop1h 58mUnited Airlines

Deal found 15/9C$ 464

Wed 1/105:18 p.m.IAD - YUL

1 stop4h 48mUnited Airlines

Sun 5/109:15 a.m.YUL - IAD

Nonstop1h 58mUnited Airlines

Deal found 15/9C$ 464

Wed 26/118:45 a.m.IAD - YUL

1 stop4h 43mUnited Airlines

Sat 29/112:13 p.m.YUL - IAD

Nonstop2h 08mUnited Airlines

Deal found 14/9C$ 464

Direct flights from Dulles Intl to Pierre Elliott Trudeau Intl
Explore direct flight options from Dulles Intl to Pierre Elliott Trudeau Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Thu 30/109:45 a.m.IAD - YUL

Nonstop1h 53mAir Canada

Thu 6/117:00 p.m.YUL - IAD

Nonstop1h 54mAir Canada

Deal found 15/9C$ 396

Thu 6/119:45 a.m.IAD - YUL

Nonstop1h 45mAir Canada

Mon 10/117:00 p.m.YUL - IAD

Nonstop1h 54mAir Canada

Deal found 16/9C$ 402

Wed 1/101:00 p.m.IAD - YUL

Nonstop2h 00mUnited Airlines

Wed 8/102:20 p.m.YUL - IAD

Nonstop1h 58mUnited Airlines

Deal found 16/9C$ 415

Sat 25/105:37 p.m.IAD - YUL

Nonstop2h 08mUnited Airlines

Tue 28/102:13 p.m.YUL - IAD

Nonstop2h 08mUnited Airlines

Deal found 16/9C$ 450

Tue 30/91:00 p.m.IAD - YUL

Nonstop2h 00mMultiple Airlines

Sat 25/107:10 p.m.YUL - IAD

Nonstop1h 55mMultiple Airlines

Deal found 16/9C$ 458

Sun 5/109:35 a.m.IAD - YUL

Nonstop1h 53mAir Canada

Tue 7/107:10 p.m.YUL - IAD

Nonstop1h 55mAir Canada

Deal found 16/9C$ 464

Fri 31/109:45 a.m.IAD - YUL

Nonstop1h 53mAir Canada

Sun 2/117:00 p.m.YUL - IAD

Nonstop1h 54mAir Canada

Deal found 16/9C$ 465

Thu 27/119:45 a.m.IAD - YUL

Nonstop1h 45mAir Canada

Tue 2/127:00 p.m.YUL - IAD

Nonstop1h 59mAir Canada

Deal found 15/9C$ 476

Mon 17/119:45 a.m.IAD - YUL

Nonstop1h 45mAir Canada

Tue 18/117:00 p.m.YUL - IAD

Nonstop1h 54mAir Canada

Deal found 16/9C$ 490

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 17 September 2025 and is based on user searches.

Tue 30/94:20 p.m.IAD - YUL

1 stop3h 50mMultiple Airlines

Thu 30/106:45 a.m.YUL - IAD

2 stops11h 42mMultiple Airlines

Deal found 14/9C$ 411

Wed 1/101:00 p.m.IAD - YUL

Nonstop2h 00mUnited Airlines

Wed 8/102:20 p.m.YUL - IAD

Nonstop1h 58mUnited Airlines

Deal found 16/9C$ 415

Fri 3/104:20 p.m.IAD - YUL

1 stop3h 50mPorter Airlines

Mon 6/106:55 a.m.YUL - IAD

1 stop8h 11mPorter Airlines

Deal found 17/9C$ 421

Sat 4/104:20 p.m.IAD - YUL

1 stop3h 50mPorter Airlines

Mon 6/106:55 a.m.YUL - IAD

1 stop8h 11mPorter Airlines

Deal found 16/9C$ 422

Sun 5/109:35 a.m.IAD - YUL

Nonstop1h 53mMultiple Airlines

Tue 7/1010:45 a.m.YUL - IAD

1 stop4h 21mMultiple Airlines

Deal found 16/9C$ 414

Tue 7/1010:10 p.m.IAD - YUL

1 stop12h 30mUnited Airlines

Wed 8/102:20 p.m.YUL - IAD

Nonstop1h 58mUnited Airlines

Deal found 16/9C$ 418

Mon 13/1011:35 a.m.IAD - YUL

1 stop7h 10mPorter Airlines

Mon 20/108:55 a.m.YUL - IAD

1 stop6h 11mPorter Airlines

Deal found 15/9C$ 407

Thu 23/104:20 p.m.IAD - YUL

1 stop3h 50mMultiple Airlines

Mon 27/106:45 a.m.YUL - IAD

2 stops12h 00mMultiple Airlines

Deal found 15/9C$ 420

Thu 30/109:52 p.m.IAD - YUL

2 stops26h 43mMultiple Airlines

Thu 6/116:45 a.m.YUL - IAD

1 stop3h 39mMultiple Airlines

Deal found 15/9C$ 384

Thu 30/109:45 a.m.IAD - YUL

Nonstop1h 53mAir Canada

Thu 6/117:00 p.m.YUL - IAD

Nonstop1h 54mAir Canada

Deal found 15/9C$ 396

Fri 31/1011:40 a.m.IAD - YUL

1 stop4h 50mPorter Airlines

Fri 7/116:45 a.m.YUL - IAD

1 stop3h 39mPorter Airlines

Deal found 16/9C$ 406

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 17 September 2025.

Thu 23/104:20 p.m.IAD - YUL

1 stop5h 55mPorter Airlines

Deal found 17/9C$ 186

Thu 23/101:00 p.m.IAD - YUL

Nonstop2h 00mUnited Airlines

Deal found 16/9C$ 188

Sun 19/1010:20 a.m.IAD - YUL

1 stop6h 00mAir Canada

Deal found 14/9C$ 190

Thu 6/119:52 p.m.IAD - YUL

2 stops26h 43mMultiple Airlines

Deal found 16/9C$ 191

Thu 16/1011:35 a.m.IAD - YUL

1 stop4h 25mPorter Airlines

Deal found 15/9C$ 195

Thu 2/109:35 a.m.IAD - YUL

Nonstop1h 53mAir Canada

Deal found 17/9C$ 197

Tue 30/94:20 p.m.IAD - YUL

1 stop5h 55mPorter Airlines

Deal found 16/9C$ 198

Wed 15/109:35 a.m.IAD - YUL

Nonstop1h 53mAir Canada

Deal found 16/9C$ 201

Sun 19/107:05 a.m.IAD - YUL

1 stop10h 29mDelta

Deal found 15/9C$ 202

Fri 28/115:33 p.m.IAD - YUL

1 stop4h 09mUnited Airlines

Deal found 17/9C$ 204

Sun 19/108:30 a.m.IAD - YUL

1 stop13h 36mUnited Airlines

Deal found 14/9C$ 208

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

Sat 1/11

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

Nonstop1h 58m

Montreal Pierre Elliott Trudeau Intl

Wed 5/11

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

Nonstop2h 08m

C$ 450

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 6/11

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

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

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

Nonstop2h 08m

C$ 450

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 1/12

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

Nonstop1h 58m

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

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

Nonstop2h 08m

C$ 450

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 30/10

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

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

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

Nonstop2h 08m

C$ 450

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 30/10

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

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Sun 2/11

7:00 p.m.-8:54 p.m.

Nonstop1h 54m

C$ 458

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 25/10

1:00 p.m.-3:00 p.m.

Nonstop2h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 2/11

7:00 p.m.-8:54 p.m.

Nonstop1h 54m

C$ 458

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 2/12

8:45 a.m.-1:28 p.m.

1 stop4h 43m

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

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

Nonstop2h 08m

C$ 464

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 12/10

8:30 a.m.-1:09 p.m.

1 stop4h 39m

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

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

Nonstop1h 58m

C$ 464

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 1/10

5:18 p.m.-10:06 p.m.

1 stop4h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

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

Nonstop1h 58m

C$ 464

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 26/11

8:45 a.m.-1:28 p.m.

1 stop4h 43m

Montreal Pierre Elliott Trudeau Intl

Sat 29/11

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

Nonstop2h 08m

C$ 464

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 21 results

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

Prices

Airlines

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 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, October 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$ 241). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). 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?

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 afternoon, which can drop the price by up to 32% versus a flight in the morning.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

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

7.9

Good

365 reviews

Check prices

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

7.9

Good

365 reviews

Porter Airlines

7.9

Good

365 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Canada

7.1

Good

10,000 reviews

Porter Airlines

7.9

Good

365 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Related info for your journey

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 1h 58m. 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$ 194, 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 60% 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: Republic Airways (88%), United Airlines (88%), Jazz (85%).
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$ 590 for a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 179 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 360.
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, October 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$ 241). Flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). 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

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Sherbrooke

Cornwall

Brossard

Longueuil

Montebello

Trois-Rivières

Drummondville

Saint-Jean-sur-Richelieu

Boucherville

Bromont

North Hatley

Louiseville

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Dulles Intl to Pierre Elliott Trudeau Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 194	AverageC$ 571	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 325	AverageC$ 448	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights

Fly with Cheapflights

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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Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 186

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.

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

Cheap flight deals from Dulles Intl to Pierre Elliott Trudeau Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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 17 September 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 17 September 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.

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?

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?

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.

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

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 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?

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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 17 September 2025.