Cheap flights from Montreal to Washington, D.C. Dulles Intl Airport from $139
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Washington, D.C. Dulles Intl Airport departing on 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Montreal to Washington, D.C.
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
WestJet flights from Montreal to Washington, D.C. Dulles Intl Airport
Our best WestJet deals on Montreal to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines flights from Montreal to Washington, D.C. Dulles Intl Airport
Our best United Airlines deals on Montreal to Washington, D.C. Dulles Intl Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Montreal to Washington, D.C. Dulles Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
In general, February is the cheapest month to fly from Montreal to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $260. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $265.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $407. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to Washington, D.C. Dulles Intl Airport for around $572.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Flying to Washington, D.C. Dulles Intl Airport from Montreal in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $313 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $570 on average. Flights to Washington, D.C. Dulles Intl Airport from Montreal in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Montreal to Washington, D.C. Dulles Intl flight route?
Fly from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Dulles Intl for the best Montreal - Washington, D.C. Dulles Intl flight prices
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Montreal when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $342 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Montreal for as low as $271 on momondo.
What cabin class options are available on Montreal to Washington, D.C. Dulles Intl flights?
There are 4 cabin classes available to choose from on Montreal to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Montreal to Washington, D.C. Dulles Intl?
Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Montreal to Washington, D.C. Dulles Intl
What airlines fly to Washington, D.C. Dulles Intl Airport?
Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Montreal according to our data. Air Canada is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Montreal to Washington, D.C. Dulles Intl Airport on average per day?
11 flights are operational daily from Montreal to Washington, D.C. Dulles Intl Airport as of April 2025. The most popular departure time for this route is 9:00AM, with 61% of flights per day taking off at noon.
How many flights depart from Montreal to Washington, D.C. Dulles Intl Airport on average per week?
The number of flights available between Montreal and Washington, D.C. Dulles Intl Airport is 80 per week as of April 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.
When to book flights from Montreal to Washington, D.C. Dulles Intl Airport
Cheap Montreal to Washington, D.C. Dulles Intl Airport (YMQ to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal to Washington, D.C. Dulles Intl Airport
How far is Montreal to Washington, D.C. Dulles Intl by plane?
Montreal and Washington, D.C. Dulles Intl are 493.8 mi apart from one another. By plane, this route typically takes 1h 51m.
When did momondo last update prices for flights from Montreal to Washington, D.C. Dulles Intl Airport?
Prices for flights from Montreal to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to Washington, D.C. Dulles Intl Airport?
There are 3 operators available for flights from Montreal to Washington, D.C. Dulles Intl Airport as of April 2025.
How old do you have to be to fly from Montreal to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Montreal to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Montreal to Washington, D.C. Dulles Intl Airport is Embraer 175 (Enhanced Winglets), representing 11.66% of all bookings. The subsequent popular models are Airbus A321-100/200 at 10.77%, Airbus A330-300 at 9.22%, and Boeing 777-300ER at 9.17%.
What is the most popular airline from Montreal to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to Washington, D.C. Dulles Intl Airport is Air Canada (44% of total bookings). The next most popular airlines are United Airlines (30%) and Porter Airlines (26%).
Best airlines flying from Montreal to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Montreal to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $240 | Free Cancellation | Rating 8.0 285 reviews | |||
| PriceFrom $242 | Free Cancellation | Rating 7.0 9,195 reviews | |||
| PriceFrom $250 | Free Cancellation | Rating 7.4 8,685 reviews |
United Airlines Flights From Montreal to Washington, D.C. Dulles Intl Airport
United Airlines flight deals from Montreal to Washington, D.C. Dulles Intl Airport start from $250 round-trip. Over the 27 United Airlines flights for this route in a normal week, average airfare is usually $418 round-trip - but some users have found much cheaper deals with momondo.
Air Canada Flights From Montreal to Washington, D.C. Dulles Intl Airport
Another popular option for Montreal to Washington, D.C. Dulles Intl Airport flights is Air Canada (7.0/10, 9,195 ratings). Air Canada flies from Montreal to Washington, D.C. Dulles Intl Airport around 26 times per week, with deals starting from $242 round-trip and rising to an average price of around $309.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Montreal to Washington, D.C.?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montreal to Washington, D.C.. momondo saves you time and could save you money on your trip.
Can I find flights from Montreal to Washington, D.C. with flexible booking policies on momondo?
Flights from Montreal to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Montreal to Washington, D.C.?
Once you have performed a search for Montreal to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Montreal to Washington, D.C. right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Montreal and alert you when they change.