$156 Cheap Flights from Montreal (YUL) to Washington (IAD)

View $156 flight on Fri, May 30, 2025Opens in a new window

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD)

Find available prices by choosing your travel dates.

Cheap Flights from Montreal to Washington (YUL-IAD)

Prices were available within the past 7 days and start at $156 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, May 28 - Thu, May 29
YUL
Montreal
IAD
Washington
$248 Roundtrip, found 17 hours ago
$248
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Wed, May 28 from Montreal to Washington, returning Thu, May 29, priced at $248 found 17 hours ago
United
Wed, May 21 - Tue, May 27
YUL
Montreal
IAD
Washington
$259 Roundtrip, found 2 days ago
$259
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 21 from Montreal to Washington, returning Tue, May 27, priced at $259 found 2 days ago
United
Tue, Jun 3 - Mon, Jul 7
YUL
Montreal
IAD
Washington
$260 Roundtrip, found 5 hours ago
$260
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jun 3 from Montreal to Washington, returning Mon, Jul 7, priced at $260 found 5 hours ago
Air Canada
Tue, May 20 - Mon, May 26
YUL
Montreal
IAD
Washington
$263 Roundtrip, found 5 days ago
$263
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, May 20 from Montreal to Washington, returning Mon, May 26, priced at $263 found 5 days ago
Air Canada
Wed, May 28 - Thu, May 29
YUL
Montreal
IAD
Washington
$264 Roundtrip, found 17 hours ago
$264
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Wed, May 28 from Montreal to Washington, returning Thu, May 29, priced at $264 found 17 hours ago
Air Canada
Tue, Jun 17 - Tue, Jun 24
YUL
Montreal
IAD
Washington
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Jun 17 from Montreal to Washington, returning Tue, Jun 24, priced at $264 found 1 day ago
Air Canada
Thu, May 22 - Tue, May 27
YUL
Montreal
IAD
Washington
$267 Roundtrip, found 4 days ago
$267
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, May 22 from Montreal to Washington, returning Tue, May 27, priced at $267 found 4 days ago
Porter Airlines
Thu, May 29 - Sun, Jun 1
YUL
Montreal
IAD
Washington
$269 Roundtrip, found 3 hours ago
$269
Roundtrip
found 3 hours ago
Select Porter Airlines flight, departing Thu, May 29 from Montreal to Washington, returning Sun, Jun 1, priced at $269 found 3 hours ago
Delta
Fri, May 30 - Mon, Jun 2
YUL
Montreal
IAD
Washington
$284 Roundtrip, found 10 hours ago
$284
Roundtrip
found 10 hours ago
Select Delta flight, departing Fri, May 30 from Montreal to Washington, returning Mon, Jun 2, priced at $284 found 10 hours ago
WestJet
Thu, May 29 - Sun, Jun 1
YUL
Montreal
IAD
Washington
$360 Roundtrip, found 3 hours ago
$360
Roundtrip
found 3 hours ago
Select WestJet flight, departing Thu, May 29 from Montreal to Washington, returning Sun, Jun 1, priced at $360 found 3 hours ago
Flights from Montreal (YUL) to Washington (IAD)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, American Airlines, Delta, Porter Airlines, United, WestJet
Roundtrip price
$243
Distance
487 mi

Montreal to Washington Flights

The cheapest times to fly from Montreal to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Montreal to Washington are during the month of May. You can find some of the cheapest flights from Montreal to Washington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Montreal to Washington

Sunday is one of the best days to book for cheap flights from Montreal to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Montreal to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Montreal to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $156 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Montreal to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Montreal to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD) cost?
Score cheap return flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD) starting from $250. Grab your seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air Canada flight leaving YUL on May 8 2025 and touching down at IAD. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from YUL to IAD?
The cheapest flights from YUL to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD)?
When jetting out of Pierre Elliott Trudeau Intl. Airport (YUL), you can jump on a direct flight to Washington Dulles Intl. Airport (IAD) with Air Canada.
What is the cheapest airline that flies from YUL to IAD?
At the moment, the cheapest carrier operating one-way flights from YUL to IAD is Air Canada. You can take off on this route from $156. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from YUL on June 21 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD)?
Daily, an average of 2 nonstop flights operate from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD). Select the departure time that best suits your travel plans.
What are the most popular departure times for flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD)?
More travelers fly between YUL and IAD at 9 AM than at any other time. Rather go when it’s quieter? Try choosing a quieter departure window and there’s a chance you’ll save on your fare as well.
What day of the week has the most flights from YUL to IAD?
Friday offers the most flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD). Consider jetting off on this day and you’ll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD)?
Hop on the earliest flight at around 9:15AM UTC-5, heading out of Pierre Elliott Trudeau Intl. Airport (YUL). You’ll be flying for approximately 2h 15m, touching down at Washington Dulles Intl. Airport (IAD) at approximately 11:30AM UTC-5.
How long does it take to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD)?
Flights from YUL to IAD have an average travel time of 2 hours and 8 minutes. The total distance between the two airports is 490 mi.
What airline has the least delays from YUL to IAD?
Consider booking with United Airlines if you’d like to go straight from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD) without any interruptions. This airline has the best track record for punctuality, with an on-time score of 84%. Want to be updated if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD)?
To arrive at Washington Dulles Intl. Airport (IAD) on schedule, select a flight that leaves Pierre Elliott Trudeau Intl. Airport (YUL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Washington from Pierre Elliott Trudeau Intl. Airport (YUL)?
Take a direct flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington and touch down at Ronald Reagan Washington National Airport (DCA). Another convenient gateway to this destination is Washington Dulles Intl. Airport (IAD).
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your ticket from YUL to IAD shortly before your journey is generally more expensive. However, if you’re flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a YUL to IAD flight and hotel package?
Opting for a YUL to IAD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD)?
If you reserved your YUL to IAD flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.