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Cheap flights from Montreal to Washington, D.C. from $157

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 10/29. 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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Find the cheapest flights from Montreal to Washington, D.C.

Cheap round-trip flights

Porter Airlines Logo
8:55 am - 3:06 pmYUL-IAD
6h 11m1 stop
Porter Airlines Logo
4:20 pm - 8:10 pmIAD-YUL
3h 50m1 stop
$247Porter Airlines
Find Deal
Mon, Sep 29 - Wed, Oct 1
Porter Airlines Logo
8:55 am - 3:06 pmYUL-IAD
6h 11m1 stop
Porter Airlines Logo
1:45 pm - 6:45 pmIAD-YUL
5h 00m1 stop
$248Porter Airlines
Find Deal
Wed, Oct 1 - Sat, Nov 29
Air Canada Logo
7:10 pm - 9:05 pmYUL-IAD
1h 55mnonstop
Air Canada Logo
9:35 am - 11:28 amIAD-YUL
1h 53mnonstop
$264Air Canada
Find Deal
Fri, Oct 3 - Mon, Oct 6
Air Canada Logo
8:30 am - 10:20 amYUL-DCA
1h 50mnonstop
Air Canada Logo
6:00 am - 7:49 amDCA-YUL
1h 49mnonstop
$264Air Canada
Find Deal
Fri, Oct 3 - Mon, Oct 6
United Airlines Logo
9:15 am - 11:13 amYUL-IAD
1h 58mnonstop
United Airlines Logo
5:37 pm - 7:45 pmIAD-YUL
2h 08mnonstop
$274United Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
United Airlines Logo
2:20 pm - 4:18 pmYUL-IAD
1h 58mnonstop
United Airlines Logo
1:20 pm - 9:29 pmIAD-YUL
8h 09m1 stop
$277United Airlines
Find Deal
Fri, Oct 10 - Sat, Oct 18
Logo
10:45 am - 3:06 pmYUL-IAD
4h 21m1 stop
Logo
9:35 am - 11:28 amIAD-YUL
1h 53mnonstop
$285
Find Deal
Sat, Sep 27 - Sun, Sep 28
Logo
11:23 am - 7:05 pmYUL-DCA
7h 42m1 stop
Logo
6:00 am - 7:49 amDCA-YUL
1h 49mnonstop
$292
Find Deal
Sat, Sep 27 - Sun, Sep 28
Delta Logo
7:00 am - 5:17 pmYUL-DCA
10h 17m1 stop
Delta Logo
5:00 pm - 11:14 pmDCA-YUL
6h 14m1 stop
$297Delta
Find Deal
Tue, Oct 14 - Tue, Oct 21
Delta Logo
6:00 am - 2:25 pmYUL-DCA
8h 25m2 stops
Delta Logo
7:59 am - 5:34 pmDCA-YUL
9h 35m1 stop
$321Delta
Find Deal
Tue, Oct 21 - Fri, Oct 24

Air Canada flights from Montreal to Washington, D.C.

Our best Air Canada deals on Montreal to Washington, D.C. flight tickets
Air Canada
Oct 3
YUL7:10 pmMontreal Pierre Elliott Trudeau Intl
1h 55m
IAD9:05 pmWashington, D.C. Dulles Intl
Oct 6
IAD9:35 amWashington, D.C. Dulles Intl
1h 53m
YUL11:28 amMontreal Pierre Elliott Trudeau Intl
$264
Find similar
Air Canada
Oct 18
YUL8:15 amMontreal Pierre Elliott Trudeau Intl
3h 53m
1 stop
DCA12:08 pmWashington, D.C. Reagan-National
Oct 25
DCA6:00 amWashington, D.C. Reagan-National
1h 49m
YUL7:49 amMontreal Pierre Elliott Trudeau Intl
$265
Find similar
Air Canada
Oct 18
YUL8:15 amMontreal Pierre Elliott Trudeau Intl
3h 53m
1 stop
DCA12:08 pmWashington, D.C. Reagan-National
Oct 25
DCA11:00 amWashington, D.C. Reagan-National
6h 50m
1 stop
YUL5:50 pmMontreal Pierre Elliott Trudeau Intl
$267
Find similar

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 29
YUL8:55 amMontreal Pierre Elliott Trudeau Intl
6h 11m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Oct 1
IAD4:20 pmWashington, D.C. Dulles Intl
3h 50m
1 stop
YUL8:10 pmMontreal Pierre Elliott Trudeau Intl
$247
Find similar
Porter Airlines
Oct 1
YUL8:55 amMontreal Pierre Elliott Trudeau Intl
6h 11m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Nov 29
IAD1:45 pmWashington, D.C. Dulles Intl
5h 00m
1 stop
YUL6:45 pmMontreal Pierre Elliott Trudeau Intl
$248
Find similar
Porter Airlines
Oct 21
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Oct 24
IAD11:35 amWashington, D.C. Dulles Intl
4h 25m
1 stop
YUL4:00 pmMontreal Pierre Elliott Trudeau Intl
$249
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Montreal to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 9/29

8:55 am-3:06 pm

1 stop6h 11m

Washington, D.C. Dulles Intl

Wed 10/1

4:20 pm-8:10 pm

1 stop3h 50m

$247

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

8:55 am-3:06 pm

1 stop6h 11m

Washington, D.C. Dulles Intl

Sat 11/29

1:45 pm-6:45 pm

1 stop5h 00m

$248

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 10/3

7:10 pm-9:05 pm

Nonstop1h 55m

Washington, D.C. Dulles Intl

Mon 10/6

9:35 am-11:28 am

Nonstop1h 53m

$264

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 10/3

8:30 am-10:20 am

Nonstop1h 50m

Washington, D.C. Reagan-National

Mon 10/6

6:00 am-7:49 am

Nonstop1h 49m

$264

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 10/2

9:15 am-11:13 am

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 10/5

5:37 pm-7:45 pm

Nonstop2h 08m

$274

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 10/10

2:20 pm-4:18 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sat 10/18

1:20 pm-9:29 pm

1 stop8h 09m

$277

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 9/27

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Sun 9/28

9:35 am-11:28 am

Nonstop1h 53m

$285

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Sat 9/27

11:23 am-7:05 pm

1 stop7h 42m

Washington, D.C. Reagan-National

Sun 9/28

6:00 am-7:49 am

Nonstop1h 49m

$292

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Tue 10/14

7:00 am-5:17 pm

1 stop10h 17m

Washington, D.C. Reagan-National

Tue 10/21

5:00 pm-11:14 pm

1 stop6h 14m

$297

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Tue 10/21

6:00 am-2:25 pm

2 stops8h 25m

Washington, D.C. Reagan-National

Fri 10/24

7:59 am-5:34 pm

1 stop9h 35m

$321

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 May is, on average, the cheapest month to fly to Washington, D.C. from Montreal, with most prices found around $285. If you’re not able to fly to Washington, D.C. in May, then March is your next best option. Flight prices from Montreal to Washington, D.C. during March average around $315.

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 $337. 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 $580.

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 $361. 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 at noon because they tend to be around $432. 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. Dulles Intl 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 $337 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 $229 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.

Can stopping save me money on Montreal to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between Montreal to Washington, D.C..

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

As of September 2025, prices for Montreal to Washington, D.C. flights are approximately 6% 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

$243

Fastest flight time

1h 46m

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 $243. The best round-trip flight deal from Montreal to Washington, D.C. found on momondo in the last 72 hours is $301.
The fastest flight from Montreal to Washington, D.C. takes 1h 46m
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)
Search flight deals

  • 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 50m.

  • 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
Porter AirlinesPriceFrom $202Free CancellationRating
7.9
363 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $220Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
DeltaPriceFrom $275Free CancellationRating
7.9
7,954 reviews
Search Delta flights

  • United Airlines Flights From Montreal to Washington, D.C.

    United Airlines operates around 40 flights from Montreal to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $505, but momondo users have found United Airlines deals from Montreal to Washington, D.C. from as low as $246 round-trip. United Airlines has been scored 7.4/10 in 8,929 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 $315. Air Canada operates 40 flights to Washington, D.C. from Montreal in an average week. Users have rated it 7.1/10 across 10,000 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
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

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.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport