$166 Cheap Flights from Montreal (YUL) to Washington (IAD)

View $166 flight on Mon, Nov 24, 2025Opens in a new window

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

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Cheap Flights from Montreal to Washington (YUL-IAD)

Prices were available within the past 7 days and start at $166 for one-way flights and $268 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Oct 23 - Mon, Oct 27
YUL
Montreal
IAD
Washington
$268 Roundtrip, found 6 days ago
$268
Roundtrip
found 6 days ago
Select Air Canada flight, departing Thu, Oct 23 from Montreal to Washington, returning Mon, Oct 27, priced at $268 found 6 days ago
United
Tue, Sep 30 - Tue, Oct 14
YUL
Montreal
IAD
Washington
$272 Roundtrip, found 4 days ago
$272
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 30 from Montreal to Washington, returning Tue, Oct 14, priced at $272 found 4 days ago
Air Canada
Fri, Nov 14 - Sun, Nov 16
YUL
Montreal
IAD
Washington
$277 Roundtrip, found 3 days ago
$277
Roundtrip
found 3 days ago
Select Air Canada flight, departing Fri, Nov 14 from Montreal to Washington, returning Sun, Nov 16, priced at $277 found 3 days ago
United
Tue, Sep 30 - Sat, Oct 11
YUL
Montreal
IAD
Washington
$277 Roundtrip, found 4 days ago
$277
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 30 from Montreal to Washington, returning Sat, Oct 11, priced at $277 found 4 days ago
Air Canada
Wed, Nov 26 - Thu, Nov 27
YUL
Montreal
IAD
Washington
$278 Roundtrip, found 2 days ago
$278
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Nov 26 from Montreal to Washington, returning Thu, Nov 27, priced at $278 found 2 days ago
Air Canada
Fri, Oct 24 - Mon, Nov 3
YUL
Montreal
IAD
Washington
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Oct 24 from Montreal to Washington, returning Mon, Nov 3, priced at $282 found 4 days ago
Porter Airlines
Mon, Oct 20 - Wed, Oct 22
YUL
Montreal
IAD
Washington
$286 Roundtrip, found 4 days ago
$286
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Mon, Oct 20 from Montreal to Washington, returning Wed, Oct 22, priced at $286 found 4 days ago
Porter Airlines
Fri, Oct 17 - Mon, Oct 20
YUL
Montreal
IAD
Washington
$287 Roundtrip, just found
$287
Roundtrip
just found
Select Porter Airlines flight, departing Fri, Oct 17 from Montreal to Washington, returning Mon, Oct 20, priced at $287 just found
Delta
Mon, Nov 17 - Fri, Nov 21
YUL
Montreal
IAD
Washington
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 17 from Montreal to Washington, returning Fri, Nov 21, priced at $294 found 2 days ago
WestJet
Fri, Nov 14 - Sun, Nov 16
YUL
Montreal
IAD
Washington
$328 Roundtrip, found 3 days ago
$328
Roundtrip
found 3 days ago
Select WestJet flight, departing Fri, Nov 14 from Montreal to Washington, returning Sun, Nov 16, priced at $328 found 3 days ago

Find the cheapest month to fly from Montreal (YUL) to Washington (IAD)

April is typically the cheapest month to fly

From $225 - $395 per traveler.
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
$267
Distance
487 mi
Average flight time
1 hour 57 mins

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 October. 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 $166 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?
Grab a cheap one-way flight from $166 or cheap return flight from $268 from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD)?
October is the cheapest month to fly from YUL to IAD. Planning your trip for the off-season is often the key to finding better fares.
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 Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD)?
United Airlines and Air Canada are popular airlines offering competitive fares. Remember that flight prices from Pierre Elliott Trudeau Intl. Airport (YUL) to Washington Dulles Intl. Airport (IAD) can vary based on demand, travel dates and how early you book. With Expedia's search tool, you can easily find a YUL to IAD flight that suits your plans and budget.
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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