Cheap flights from Montreal to Washington, D.C. from $135
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. departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Montreal to Washington, D.C.
Our best United Airlines deals on Montreal to Washington, D.C. flight tickets
Porter Airlines flights from Montreal to Washington, D.C.
Our best Porter Airlines deals on Montreal to Washington, D.C. flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Montreal to Washington, D.C.
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 typical price of a round-trip flight between Montreal and Washington, D.C.?
What is the cheapest month to fly to Washington, D.C.?
The month of August is, on average, the cheapest month to fly to Washington, D.C. from Montreal, with most prices found around $276. If you’re not able to fly to Washington, D.C. in August, then May is your next best option. Flight prices from Montreal to Washington, D.C. during May average around $285.
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from Montreal is on a Thursday. momondo users have found tickets for Thursday departures for as low as $318. However, this price may fluctuate depending on the airline, the season, and holidays. 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. for around $557.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
In the afternoon is the cheapest time of day to fly from Montreal to Washington, D.C. when you can find flight prices for as low as $357. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $401. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Montreal to Washington, D.C. flight route?
Fly from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Reagan-National for the best Montreal - Washington, D.C. flight prices
How far in advance should I book a flight to Washington, D.C.?
You are more likely to see cheaper flights to Washington, D.C. from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $339 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Montreal for as low as $225 on momondo.
What cabin class options are available on Montreal to Washington, D.C. flights?
There are 4 cabin classes available to choose from on Montreal to Washington, D.C. 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.?
Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Montreal to Washington, D.C.
What airlines fly to Washington, D.C.?
Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Washington, D.C. from Montreal according to our data. Air Canada is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.
How many flights depart from Montreal to Washington, D.C. on average per day?
14 flights are operational daily from Montreal to Washington, D.C. as of July 2025. The most popular departure time for this route is 2:00PM, with 40% of flights per day taking off at noon.
How many flights depart from Montreal to Washington, D.C. on average per week?
As of July 2025, there are 103 flights per week flying from Montreal to Washington, D.C.. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.
When to book flights from Montreal to Washington, D.C.
Cheap Montreal to Washington, D.C. (YMQ to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal to Washington, D.C.
Best Price Found | $135 |
|---|---|
Fastest flight time | 1h 48m |
Direct flights | Every day |
Airports in Washington, D.C. | 2 airports |
How far is Montreal to Washington, D.C. by plane?
There are 488.5 mi between Montreal and Washington, D.C.. In terms of flight time, this usually takes a little over 1h 48m.
When did momondo last update prices for flights from Montreal to Washington, D.C.?
Prices for flights from Montreal to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to Washington, D.C.?
There are 5 operators available for flights from Montreal to Washington, D.C. as of July 2025.
How old do you have to be to fly from Montreal to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. 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.. 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.?
Based on momondo bookings for flights between Montreal and Washington, D.C., the leading plane model is Embraer 175 (Enhanced Winglets), making up 21.09% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 900 with 12.31%, Embraer 175 with 11.46%, and Embraer 170 with 8.70%.
What is the most popular airline from Montreal to Washington, D.C.?
Based on momondo bookings for flights between Montreal and Washington, D.C., the leading airline is Air Canada, making up 59% of the total bookings. Other popular airlines include Porter Airlines with 22% and United Airlines with 19%.
Best airlines flying from Montreal to Washington, D.C.
Compare and see reviews for airlines that fly from Montreal to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $220 | Free Cancellation | Rating 7.1 9,680 reviews | |||
| PriceFrom $225 | Free Cancellation | Rating 7.4 8,844 reviews | |||
| PriceFrom $240 | Free Cancellation | Rating 8.0 301 reviews | |||
| PriceFrom $275 | Free Cancellation | Rating 8.0 7,962 reviews | |||
| PriceFrom $328 | Free Cancellation | Rating 7.2 2,920 reviews |
United Airlines Flights From Montreal to Washington, D.C.
United Airlines operates around 41 flights from Montreal to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $507, but momondo users have found United Airlines deals from Montreal to Washington, D.C. from as low as $225 round-trip. United Airlines has been scored 7.4/10 in 8,844 reviews.
Air Canada Flights From Montreal to Washington, D.C.
Air Canada is also a popular choice for this route. Air Canada flight deals for Montreal to Washington, D.C. start from as low as $220 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $341. Air Canada operates 41 flights to Washington, D.C. from Montreal in an average week. Users have rated it 7.1/10 across 9,680 reviews.
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.?
It is quick and easy to find Montreal to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.
Can I find flights from Montreal to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Montreal to Washington, D.C. flights to just show those with flexible booking policies.
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?
Of course. momondo tracks the price of Montreal to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.