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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport from C$ 202

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — IAD
17 Jun — 24 Jun1
1 adult

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 90 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from Pierre Elliott Trudeau Intl to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Dulles Intl (IAD). 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 12 June 2025.

Round-trip from

C$ 332

One-way from

C$ 202

Popular in

December

Cheapest in

May

Average price

C$ 417

Good round-trip deal

C$ 658 or less

Good one-way deal

C$ 354 or less
Porter Airlines
  • Porter Airlines
  • 20/6-22/6
  • 2 total stops
  • 8h 46m total
  • Montreal to Washington, D.C.
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Porter Airlines
  • Porter Airlines
  • 23/8
  • 1 total stop
  • 6h 01m total
  • Montreal to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 115 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 24 potential savings vs. average RT price).
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Average for round-trip flights in June 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 12 June 2025.

Fri 20/610:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Sun 22/611:35 a.m.IAD - YUL
1 stop4h 25mPorter Airlines
Deal found 10/6C$ 332
Sat 1/115:40 p.m.YUL - IAD
Nonstop1h 59mAir Canada
Mon 3/119:55 a.m.IAD - YUL
Nonstop1h 53mAir Canada
Deal found 12/6C$ 340
Fri 20/67:00 a.m.YUL - IAD
1 stop9h 33mDelta
Wed 25/67:10 a.m.IAD - YUL
1 stop10h 29mDelta
Deal found 10/6C$ 346
Fri 4/710:45 a.m.YUL - IAD
1 stop4h 11mMultiple Airlines
Sun 6/79:35 a.m.IAD - YUL
Nonstop1h 55mMultiple Airlines
Deal found 11/6C$ 371
Wed 2/72:20 p.m.YUL - IAD
Nonstop1h 59mUnited Airlines
Sat 5/78:35 a.m.IAD - YUL
1 stop4h 34mUnited Airlines
Deal found 10/6C$ 372

Cheapflights Fare Finder

Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Dulles 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 12 June 2025.
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

Pierre Elliott Trudeau Intl

Fly to

Dulles Intl

Route

Depart

Return

Price

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 4/7

8:00 a.m.-1:42 p.m.

1 stop5h 42m

Washington, D.C. Dulles Intl

Sun 6/7

9:35 a.m.-11:30 a.m.

Nonstop1h 55m

C$ 332

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 27/6

10:45 a.m.-3:06 p.m.

1 stop4h 21m

Washington, D.C. Dulles Intl

Thu 24/7

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

1 stop4h 00m

C$ 334

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

6:00 a.m.-11:53 a.m.

1 stop5h 53m

Washington, D.C. Dulles Intl

Mon 3/11

3:00 p.m.-11:53 p.m.

1 stop8h 53m

C$ 349

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 4/7

10:45 a.m.-2:56 p.m.

1 stop4h 11m

Washington, D.C. Dulles Intl

Sun 6/7

9:35 a.m.-11:30 a.m.

Nonstop1h 55m

C$ 371

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 2/7

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

Nonstop1h 59m

Washington, D.C. Dulles Intl

Sat 5/7

8:35 a.m.-1:09 p.m.

1 stop4h 34m

C$ 372

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 26/7

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

Nonstop1h 59m

Washington, D.C. Dulles Intl

Sat 2/8

1:03 p.m.-3:00 p.m.

Nonstop1h 57m

C$ 543

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sun 22/6

7:00 a.m.-6:39 p.m.

1 stop11h 39m

Washington, D.C. Dulles Intl

Wed 25/6

6:00 a.m.-11:39 a.m.

1 stop5h 39m

C$ 597

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 23/8

8:55 a.m.-2:56 p.m.

1 stop6h 01m

C$ 202

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 7/8

7:10 p.m.-9:01 p.m.

Nonstop1h 51m

C$ 204

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 15/7

9:15 a.m.-11:14 a.m.

Nonstop1h 59m

C$ 216

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 14 results
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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?

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 9 June 2025.

To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport, you should look to book at least 87 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 Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?

Currently, February 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 C$ 256). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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?

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 12 June 2025.

It’s typically best to fly out from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

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 8 June 2025.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday evenings 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

Explore weekly flight availability from Pierre Elliott Trudeau Intl to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 June 2025.

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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles 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 Dulles Intl. Reviews last updated 12 June 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta and United Airlines from Montreal to Washington, D.C. by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
288 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Delta
8.0
Very good
7,950 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
United Airlines
7.4
Good
8,790 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
WestJet
7.2
Good
2,868 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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?

    Flying on Porter Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at C$ 332. Additional round-trip tickets that might be worth considering are offered by Delta and Air Canada, with the lowest prices starting at C$ 346 and C$ 350, respectively. Porter Airlines is 28% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as C$ 202 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from C$ 204 and United Airlines from C$ 216 one-way.

  • What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles 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 Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport on time: Avianca (90%), Copa Airlines (88%), Republic Airways (88%).

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

    Looking at all options, your cheapest flight can be booked for C$ 231. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl) can be booked for C$ 288 on average our data indicates C$ 1,028 when flying 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?

    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, February 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 C$ 256). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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
Herndon
Warrenton
Arlington
Hanover
Bel Air
Fairfax
Gaithersburg
Winchester
Falls Church
Alexandria
Manassas
Fredericksburg
Rockville

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Alternative routes for Pierre Elliott Trudeau Intl to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Baltimore flights

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

Discover the top 3 airlines that operate flights from Pierre Elliott Trudeau Intl to Dulles 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 299AverageC$ 396FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 318AverageC$ 463FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 358AverageC$ 469FlexibilityNo 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 Pierre Elliott Trudeau Intl to Dulles Intl?

Deals for Pierre Elliott Trudeau Intl to Dulles 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 Pierre Elliott Trudeau Intl to Dulles Intl?

Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Dulles Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Dulles Intl become cheaper?

Yes, Cheapflights offers price alerts on Pierre Elliott Trudeau Intl to Dulles Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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