In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

How can I find direct flights from Pierre Elliott Trudeau Intl to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Dulles Intl.

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Dulles Intl?

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Dulles 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.

$151+ Flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport

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

Airfare is below average for this route at the moment. Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport flights typically cost between $292 and $453 in August. The cheapest round-trip price found within the last 3 days was $248 on Porter Airlines (Aug 29-Sep 2).

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Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Dulles Intl are usually found in May or March, booked 88 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from Pierre Elliott Trudeau Intl to Dulles Intl

Round-trip from	$248 (Kiwi.com)
One-way from	$151 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$354
Good round-trip deal	$514 or less
Good one-way deal	$240 or less

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

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

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Highest demand for flights based on searches. 14% potential increase in price ($58 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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

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

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Find flight deals from Pierre Elliott Trudeau Intl to Dulles Intl

Cheapest flights from Pierre Elliott Trudeau Intl to Dulles Intl
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Fri 8/296:55 amYUL - IAD

1 stop3h 46mPorter Airlines

Tue 9/24:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/12

$248

Thu 9/1110:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Thu 9/184:20 pmIAD - YUL

1 stop5h 55mPorter Airlines

Deal found 8/14

$250

Thu 8/2810:45 amYUL - IAD

1 stop4h 11mPorter Airlines

Sun 8/3111:55 amIAD - YUL

1 stop6h 10mPorter Airlines

Deal found 8/13

$251

Thu 9/1810:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Sun 9/284:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/12

$252

Wed 9/38:55 amYUL - IAD

1 stop6h 11mPorter Airlines

Mon 9/811:35 amIAD - YUL

1 stop4h 25mPorter Airlines

Deal found 8/12

$262

Fri 8/2910:00 amYUL - IAD

1 stop4h 56mPorter Airlines

Fri 10/316:35 pmIAD - YUL

1 stop4h 10mPorter Airlines

Deal found 8/14

$264

Sat 9/610:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Sat 9/134:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/13

$265

Tue 8/267:10 pmYUL - IAD

Nonstop1h 51mAir Canada

Wed 8/279:35 amIAD - YUL

Nonstop1h 55mAir Canada

Deal found 8/12

$266

Thu 10/2310:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Sun 10/266:35 pmIAD - YUL

1 stop4h 10mPorter Airlines

Deal found 8/12

$267

Sun 9/148:55 amYUL - IAD

1 stop6h 11mPorter Airlines

Mon 9/154:20 pmIAD - YUL

1 stop5h 55mPorter Airlines

Deal found 8/12

$268

Fri 8/297:10 pmYUL - IAD

Nonstop1h 51mAir Canada

Fri 10/319:45 amIAD - YUL

Nonstop1h 53mAir Canada

Deal found 8/14

$269

Best flights from Pierre Elliott Trudeau Intl to Dulles Intl
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Wed 10/2210:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Sun 10/266:35 pmIAD - YUL

1 stop4h 10mPorter Airlines

Deal found 8/12

$248

Fri 10/1710:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Sun 10/194:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/12

$248

Sat 9/610:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Sun 9/144:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/12

$248

Fri 9/2610:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Fri 10/34:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/12

$248

Fri 8/296:55 amYUL - IAD

1 stop3h 46mPorter Airlines

Tue 9/24:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/12

$248

Thu 9/410:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Sat 9/134:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/12

$248

Sat 9/2710:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Sat 10/44:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/13

$248

Fri 9/510:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Sun 9/144:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/12

$248

Fri 10/1010:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Sat 10/184:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/13

$248

Sat 10/410:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Tue 10/74:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/12

$248

Thu 9/2510:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Mon 9/294:20 pmIAD - YUL

1 stop5h 55mPorter Airlines

Deal found 8/14

$250

Sat 9/1310:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Sun 9/2111:35 amIAD - YUL

1 stop4h 25mPorter Airlines

Deal found 8/14

$250

Last-minute flights from Pierre Elliott Trudeau Intl to Dulles Intl
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Dulles Intl. Data last updated August 14, 2025 and is based on user searches.

Wed 8/208:55 amYUL - IAD

1 stop6h 01mPorter Airlines

Wed 8/274:10 pmIAD - YUL

1 stop6h 05mPorter Airlines

Deal found 8/13

$322

Wed 8/208:55 amYUL - IAD

1 stop6h 01mPorter Airlines

Mon 9/154:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/13

$350

Wed 8/208:55 amYUL - IAD

1 stop6h 01mPorter Airlines

Wed 9/174:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/13

$356

Wed 8/207:00 amYUL - IAD

1 stop9h 30mDelta

Sat 9/206:23 amIAD - YUL

2 stops13h 02mDelta

Deal found 8/13

$363

Thu 8/2110:45 amYUL - IAD

1 stop4h 11mPorter Airlines

Wed 8/274:10 pmIAD - YUL

1 stop4h 00mPorter Airlines

Deal found 8/13

$321

Thu 8/2110:45 amYUL - IAD

1 stop4h 11mPorter Airlines

Sun 9/2111:35 amIAD - YUL

1 stop4h 25mPorter Airlines

Deal found 8/13

$343

Thu 8/2110:45 amYUL - IAD

1 stop4h 11mPorter Airlines

Wed 9/174:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Deal found 8/13

$349

Thu 8/215:00 amYUL - IAD

1 stop8h 42mAir Canada

Sun 9/219:35 amIAD - YUL

Nonstop1h 53mAir Canada

Deal found 8/13

$374

Fri 8/2210:45 amYUL - IAD

1 stop4h 11mPorter Airlines

Wed 8/274:10 pmIAD - YUL

1 stop4h 00mPorter Airlines

Deal found 8/12

$314

Fri 8/227:10 pmYUL - IAD

Nonstop1h 51mAir Canada

Wed 8/279:35 amIAD - YUL

Nonstop1h 55mAir Canada

Deal found 8/12

$339

Fri 8/2210:45 amYUL - IAD

1 stop4h 11mPorter Airlines

Mon 8/2511:35 amIAD - YUL

1 stop4h 25mPorter Airlines

Deal found 8/12

$351

Sat 8/2310:45 amYUL - IAD

1 stop4h 11mPorter Airlines

Mon 9/111:55 amIAD - YUL

1 stop6h 30mPorter Airlines

Deal found 8/12

$331

One-way flights from Pierre Elliott Trudeau Intl to Dulles Intl
Search for one-way flight options from Pierre Elliott Trudeau Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Mon 9/2910:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Deal found 8/12

$151

Thu 9/1110:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Deal found 8/12

$152

Wed 8/278:55 amYUL - IAD

1 stop6h 01mPorter Airlines

Deal found 8/14

$153

Thu 10/210:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Deal found 8/13

$154

Mon 9/228:55 amYUL - IAD

1 stop6h 11mPorter Airlines

Deal found 8/11

$160

Wed 9/107:10 pmYUL - IAD

Nonstop1h 55mAir Canada

Deal found 8/13

$161

Sat 8/307:10 pmYUL - IAD

Nonstop1h 51mAir Canada

Deal found 8/12

$162

Sun 9/78:55 amYUL - IAD

1 stop6h 11mPorter Airlines

Deal found 8/13

$169

Thu 9/116:45 amYUL - IAD

2 stops11h 39mMultiple Airlines

Deal found 8/12

$170

Mon 10/2710:10 amYUL - IAD

1 stop5h 44mAir Canada

Deal found 8/12

$173

Mon 10/206:55 amYUL - IAD

1 stop8h 11mPorter Airlines

Deal found 8/13

$176

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 10/22

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Sun 10/26

6:35 pm-10:45 pm

1 stop4h 10m

$248

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 10/17

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Sun 10/19

4:20 pm-8:10 pm

1 stop3h 50m

$248

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 9/6

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Sun 9/14

4:20 pm-8:10 pm

1 stop3h 50m

$248

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 9/26

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Fri 10/3

4:20 pm-8:10 pm

1 stop3h 50m

$248

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 8/29

6:55 am-10:41 am

1 stop3h 46m

Washington, D.C. Dulles Intl

Tue 9/2

4:20 pm-8:10 pm

1 stop3h 50m

$248

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Sat 9/13

4:20 pm-8:10 pm

1 stop3h 50m

$248

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 9/27

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Sat 10/4

4:20 pm-8:10 pm

1 stop3h 50m

$248

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Sun 9/14

4:20 pm-8:10 pm

1 stop3h 50m

$248

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 10/10

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Sat 10/18

4:20 pm-8:10 pm

1 stop3h 50m

$248

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 10/4

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Tue 10/7

4:20 pm-8:10 pm

1 stop3h 50m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 22 results

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

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

Airports

YUL

Use YULExpress to pre-book security fast track up to 72 hours before departure for a smoother experience.

IAD

Take the Silver Line Metro from IAD to reach downtown Washington in under 40 minutes, a cost-effective option.

Our travel experts

John Walton

Expert on YUL

Ramsey Qubein

Expert on IAD

Best time to book a flight from Pierre Elliott Trudeau Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Pierre Elliott Trudeau 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 Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, July is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 YUL to IAD?

One of the essential ways to save on airfare from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 46% on airfare.

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

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

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

The most flights from YUL to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Porter Airlines, United Airlines, and Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

332 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

332 reviews

Porter Airlines

8.0

Very good

332 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

United Airlines

7.4

Good

8,916 reviews

Porter Airlines

8.0

Very good

332 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Air Canada

7.1

Good

9,949 reviews

Porter Airlines

8.0

Very good

332 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Related info for your journey

What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?
Our cheapest airline available from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport is Porter Airlines. Our recent data shows that you can find tickets from as low as $202 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $220 and $246 round-trip. Porter Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?
The top 3 most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport are Avianca (82%), Copa Airlines (80%) and Republic Airways (80%).
What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?
While on average a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport is generally $604, our data shows the cheapest flight currently is $184. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl), you can expect to pay $248 for that flight.
Can I find deals for flights from Pierre Elliott Trudeau Intl to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Dulles Intl.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Dulles Intl?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Dulles 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 Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	Cheapest$202	Average$369	FlexibilityNo cancel fee	On-time52%
Air Canada	Cheapest$220	Average$304	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$246	Average$479	FlexibilityNo cancel fee	On-time69%

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$151+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Dulles Intl (IAD)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Pierre Elliott Trudeau Intl to Dulles 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 Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Dulles Intl are usually found in May or March, booked 88 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from Pierre Elliott Trudeau Intl to Dulles 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 Pierre Elliott Trudeau Intl to Dulles Intl

Cheapest flights from Pierre Elliott Trudeau Intl to Dulles IntlExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

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

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

Airports

YUL

IAD

Our travel experts

Best time to book a flight from Pierre Elliott Trudeau Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Pierre Elliott Trudeau Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Dulles Intl. Price data was last updated on August 8, 2025.

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

What is the cheapest time of day to fly from YUL to IAD?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Dulles Intl. Price data was last updated on August 10, 2025.

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

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

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Dulles 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 Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?

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

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

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

How can I find direct flights from Pierre Elliott Trudeau Intl to Dulles Intl?

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Dulles Intl?

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Pierre Elliott Trudeau Intl to Dulles Intl

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

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Cheapest flights from Pierre Elliott Trudeau Intl to Dulles Intl
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.