$419 Cheap Flights from Montreal Metropolitan Airport (YHU) to Washington (IAD)

View $419 flight on Sun, Oct 5, 2025Opens in a new window

Popular airlines from Montreal Metropolitan Airport (YHU) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Montreal Metropolitan Airport to Washington (YHU-IAD)

Prices were available within the past 7 days and start at $419 for one-way flights and $2,342 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Pascan Aviation
Sat, Sep 13 - Sun, Sep 14
YHU
Montreal
IAD
Washington
$2,342 Roundtrip, found 1 day ago
$2,342
Roundtrip
found 1 day ago
Select Pascan Aviation flight, departing Sat, Sep 13 from Montreal to Washington, returning Sun, Sep 14, priced at $2,342 found 1 day ago
Pascan Aviation
Sat, Sep 13 - Sun, Sep 14
YHU
Montreal
IAD
Washington
$3,070 Roundtrip, found 1 day ago
$3,070
Roundtrip
found 1 day ago
Select Pascan Aviation flight, departing Sat, Sep 13 from Montreal to Washington, returning Sun, Sep 14, priced at $3,070 found 1 day ago
Pascan Aviation
Sat, Sep 13 - Sun, Sep 14
YHU
Montreal
IAD
Washington
$3,104 Roundtrip, found 1 day ago
$3,104
Roundtrip
found 1 day ago
Select Pascan Aviation flight, departing Sat, Sep 13 from Montreal to Washington, returning Sun, Sep 14, priced at $3,104 found 1 day ago
Pascan Aviation
Sat, Sep 13 - Sun, Sep 14
YHU
Montreal
IAD
Washington
$3,137 Roundtrip, found 1 day ago
$3,137
Roundtrip
found 1 day ago
Select Pascan Aviation flight, departing Sat, Sep 13 from Montreal to Washington, returning Sun, Sep 14, priced at $3,137 found 1 day ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $2,342
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $2,342
Flights from Montreal Metropolitan Airport (YHU) to Washington (IAD)
Origin airport
Montreal Metropolitan Airport
Destination airport
Washington Dulles Intl.
Roundtrip price
$2,341
Distance
497 mi

Montreal Metropolitan Airport to Washington Flights

The cheapest times to fly from Montreal Metropolitan Airport 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 Metropolitan Airport to Washington are during the month of September. You can find some of the cheapest flights from Montreal Metropolitan Airport to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montreal Metropolitan Airport to Washington

Sunday is one of the best days to book for cheap flights from Montreal Metropolitan Airport 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 Metropolitan Airport 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 Metropolitan Airport to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $419 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 Metropolitan Airport 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 Metropolitan Airport 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 St. Hubert Airport (YHU) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $419 or cheap return flight from $2,342 from St. Hubert Airport (YHU) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from St. Hubert Airport (YHU) to Washington Dulles Intl. Airport (IAD)?
Flying in September may help you find better deals, as it's the cheapest month for flights between YHU and IAD. You'll typically find the lowest fares during the off-season.
Which airlines fly direct from St. Hubert Airport (YHU) to Washington Dulles Intl. Airport (IAD)?
You can't take a direct flight from Montreal, QC (YHU-St. Hubert) to Washington Dulles Intl. Airport (IAD). However, you can easily reach Washington without any layovers by taking off from Pierre Elliott Trudeau Intl. Airport (YUL).
What is the cheapest airline that flies from St. Hubert Airport (YHU) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline flying from YHU to IAD, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from St. Hubert Airport (YHU) to Washington Dulles Intl. Airport (IAD)?
You'll have to hop on a flight with a layover if you're traveling from St. Hubert Airport (YHU) to Washington Dulles Intl. Airport (IAD). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from YHU to IAD?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from St. Hubert Airport (YHU) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the St. Hubert Airport (YHU) to Washington Dulles Intl. Airport (IAD) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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.
Is it cheaper to buy a plane ticket from St. Hubert Airport (YHU) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute fares from YHU to IAD are generally more expensive. For the best prices, start searching for flights as soon as possible. That being said, if you can play around with your travel dates, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a YHU to IAD flight and hotel package?
Securing a YHU to IAD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our wide range of accommodations and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Hubert Airport (YHU) to Washington Dulles Intl. Airport (IAD)?
Usually, it's possible to cancel or reschedule your YHU to IAD flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.