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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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Cheap round-trip flights

Porter Airlines Logo
10:45 am - 3:06 pmYUL-IAD
4h 21m1 stop
Porter Airlines Logo
4:20 pm - 10:15 pmIAD-YUL
5h 55m1 stop
$214Porter Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
Porter Airlines Logo
10:45 am - 2:56 pmYUL-IAD
4h 11m1 stop
Porter Airlines Logo
11:35 am - 4:00 pmIAD-YUL
4h 25m1 stop
$221Porter Airlines
Find Deal
Fri, Aug 8 - Sun, Aug 17
Air Canada Logo
8:15 am - 12:08 pmYUL-DCA
3h 53m1 stop
Air Canada Logo
4:35 pm - 6:25 pmDCA-YUL
1h 50mnonstop
$222Air Canada
Find Deal
Fri, Oct 3 - Mon, Oct 6
Air Canada Logo
7:10 pm - 9:05 pmYUL-IAD
1h 55mnonstop
Air Canada Logo
9:35 am - 11:28 amIAD-YUL
1h 53mnonstop
$223Air Canada
Find Deal
Thu, Sep 18 - Mon, Sep 22
 Logo
10:45 am - 2:56 pmYUL-IAD
4h 11m1 stop
 Logo
2:25 pm - 9:46 pmIAD-YUL
7h 21m2 stops
Fri, Aug 8 - Wed, Aug 13
 Logo
8:55 am - 2:56 pmYUL-IAD
6h 01m1 stop
 Logo
9:35 am - 11:30 amIAD-YUL
1h 55mnonstop
Tue, Aug 12 - Tue, Aug 19
Delta Logo
7:00 am - 6:24 pmYUL-IAD
11h 24m2 stops
Delta Logo
3:31 pm - 11:56 pmIAD-YUL
8h 25m1 stop
$267Delta
Find Deal
Thu, Sep 18 - Mon, Sep 22
Delta Logo
6:00 am - 11:34 amYUL-DCA
5h 34m1 stop
Delta Logo
6:00 am - 10:07 amDCA-YUL
4h 07m1 stop
$268Delta
Find Deal
Wed, Aug 20 - Tue, Aug 26
United Airlines Logo
9:15 am - 11:14 amYUL-IAD
1h 59mnonstop
United Airlines Logo
5:31 pm - 7:45 pmIAD-YUL
2h 14mnonstop
$272United Airlines
Find Deal
Tue, Aug 5 - Tue, Aug 12
United Airlines Logo
9:15 am - 11:14 amYUL-IAD
1h 59mnonstop
United Airlines Logo
5:31 pm - 7:45 pmIAD-YUL
2h 14mnonstop
$282United Airlines
Find Deal
Thu, Jul 24 - Sun, Jul 27

United Airlines flights from Montreal to Washington, D.C.

Our best United Airlines deals on Montreal to Washington, D.C. flight tickets
United Airlines
Aug 5
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
1h 59m
IAD11:14 amWashington, D.C. Dulles Intl
Aug 12
IAD5:31 pmWashington, D.C. Dulles Intl
2h 14m
YUL7:45 pmMontreal Pierre Elliott Trudeau Intl
United Airlines
Jul 24
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
1h 59m
IAD11:14 amWashington, D.C. Dulles Intl
Jul 27
IAD5:31 pmWashington, D.C. Dulles Intl
2h 14m
YUL7:45 pmMontreal Pierre Elliott Trudeau Intl
United Airlines
Jul 14
YUL3:30 pmMontreal Pierre Elliott Trudeau Intl
6h 57m
1 stop
IAD10:27 pmWashington, D.C. Dulles Intl
Jul 15
IAD9:35 amWashington, D.C. Dulles Intl
1h 55m
YUL11:30 amMontreal Pierre Elliott Trudeau Intl

Porter Airlines flights from Montreal to Washington, D.C.

Our best Porter Airlines deals on Montreal to Washington, D.C. flight tickets
Porter Airlines
Sep 18
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Sep 22
IAD4:20 pmWashington, D.C. Dulles Intl
5h 55m
1 stop
YUL10:15 pmMontreal Pierre Elliott Trudeau Intl
Porter Airlines
Aug 8
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 11m
1 stop
IAD2:56 pmWashington, D.C. Dulles Intl
Aug 17
IAD11:35 amWashington, D.C. Dulles Intl
4h 25m
1 stop
YUL4:00 pmMontreal Pierre Elliott Trudeau Intl
Porter Airlines
Sep 4
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Sep 7
IAD11:35 amWashington, D.C. Dulles Intl
6h 30m
1 stop
YUL6:05 pmMontreal Pierre Elliott Trudeau Intl

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.

How have Montreal to Washington, D.C. flight prices changed over time?

As of July 2025, prices for Montreal to Washington, D.C. flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Montreal to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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
The best one-way flight to Washington, D.C. from Montreal in the past 72 hours is $135. The best round-trip flight deal from Montreal to Washington, D.C. found on momondo in the last 72 hours is $214.
The fastest flight from Montreal to Washington, D.C. takes 1h 48m
Direct flights go from Montreal to Washington, D.C. every day.
There are 2 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)

  • 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.?

  • 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.?

  • What is the most popular airline from Montreal to Washington, D.C.?


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
Air CanadaPriceFrom $220Free CancellationRating
7.1
9,680 reviews
Search Air Canada flights
United AirlinesPriceFrom $225Free CancellationRating
7.4
8,844 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $240Free CancellationRating
8.0
301 reviews
Search Porter Airlines flights
DeltaPriceFrom $275Free CancellationRating
8.0
7,962 reviews
Search Delta flights
WestJetPriceFrom $328Free CancellationRating
7.2
2,920 reviews
Search WestJet flights
  • 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 locations
Alexandria
Gettysburg
Arlington
National Harbor
Laurel
Woodbridge
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Gaithersburg
Rockville
Towson
Fairfax
Colonial Beach
Glen Burnie
Linthicum Heights
Reston
Springfield

Why 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.


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1 adult
Sun 7/13
Sun 7/20

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.