Cheap flights from Montreal to Washington, D.C. from $176

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 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
6:30 am - 10:25 am
YUL
-
IAD
3h 55m
1 stop
Porter Airlines Logo
3:50 pm - 10:10 pm
IAD
-
YUL
6h 20m
1 stop
$292Porter Airlines
Wed, Jul 29 - Tue, Aug 4
Porter Airlines Logo
6:30 am - 10:25 am
YUL
-
IAD
3h 55m
1 stop
Porter Airlines Logo
3:55 pm - 10:10 pm
IAD
-
YUL
6h 15m
1 stop
$293Porter Airlines
Thu, Jul 16 - Tue, Jul 21
Air Canada Logo
12:55 pm - 5:08 pm
YUL
-
IAD
4h 13m
1 stop
Air Canada Logo
3:45 pm - 5:27 pm
IAD
-
YUL
1h 42mnonstop
$294Air Canada
Fri, Sep 4 - Mon, Sep 7
Air Canada Logo
8:40 am - 12:00 pm
YUL
-
DCA
3h 20m
1 stop
Air Canada Logo
9:40 am - 11:28 am
DCA
-
YUL
1h 48mnonstop
$294Air Canada
Thu, Sep 24 - Sun, Sep 27
Porter Airlines Logo
10:35 am - 3:11 pm
YUL
-
IAD
4h 36m
1 stop
Porter Airlines Logo
11:25 am - 6:10 pm
IAD
-
YUL
6h 45m
1 stop
$295Porter Airlines
Tue, Jul 21 - Sat, Aug 8
Air Canada Logo
8:00 pm - 9:50 pm
YUL
-
DCA
1h 50mnonstop
Air Canada Logo
9:40 am - 11:28 am
DCA
-
YUL
1h 48mnonstop
$295Air Canada
Thu, Sep 24 - Sun, Sep 27
Delta Logo
9:30 am - 9:27 pm
YUL
-
BWI
11h 57m
2 stops
Delta Logo
5:40 pm - 11:27 pm
BWI
-
YUL
5h 47m
1 stop
$391Delta
Fri, Sep 18 - Sat, Oct 3
Delta Logo
9:28 am - 10:48 pm
YUL
-
BWI
13h 20m
2 stops
Delta Logo
2:10 pm - 11:51 pm
BWI
-
YUL
9h 41m
1 stop
$397Delta
Wed, Dec 23 - Sun, Dec 27
WestJet Logo
8:00 pm - 10:47 am
YUL
-
BWI
14h 47m
2 stops
WestJet Logo
1:45 pm - 7:05 am
BWI
-
YUL
17h 20m
2 stops
$422WestJet
Tue, Jul 21 - Tue, Aug 11
WestJet Logo
6:51 pm - 10:57 am
YUL
-
BWI
16h 06m
1 stop
WestJet Logo
6:05 am - 11:40 pm
BWI
-
YUL
17h 35m
1 stop
$423WestJet
Tue, Aug 11 - Tue, Aug 18

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

Our best Air Canada deals on Montreal to Washington, D.C. flight tickets
Air Canada
Sep 4
YUL12:55 pmMontreal Pierre Elliott Trudeau Intl
4h 13m
1 stop
IAD5:08 pmWashington, D.C. Dulles Intl
Sep 7
IAD3:45 pmWashington, D.C. Dulles Intl
1h 42m
YUL5:27 pmMontreal Pierre Elliott Trudeau Intl
$294
Air Canada
Sep 24
YUL8:00 pmMontreal Pierre Elliott Trudeau Intl
1h 50m
DCA9:50 pmWashington, D.C. Reagan-National
Sep 27
DCA9:40 amWashington, D.C. Reagan-National
1h 48m
YUL11:28 amMontreal Pierre Elliott Trudeau Intl
$295
Air Canada
Jul 10
YUL1:05 pmMontreal Pierre Elliott Trudeau Intl
1h 56m
IAD3:01 pmWashington, D.C. Dulles Intl
Jul 14
IAD3:45 pmWashington, D.C. Dulles Intl
1h 42m
YUL5:27 pmMontreal Pierre Elliott Trudeau Intl
$300

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

Our best Porter Airlines deals on Montreal to Washington, D.C. flight tickets
Porter Airlines
Jul 29
YUL6:30 amMontreal Pierre Elliott Trudeau Intl
3h 55m
1 stop
IAD10:25 amWashington, D.C. Dulles Intl
Aug 4
IAD3:50 pmWashington, D.C. Dulles Intl
6h 20m
1 stop
YUL10:10 pmMontreal Pierre Elliott Trudeau Intl
$292
Porter Airlines
Jul 16
YUL6:30 amMontreal Pierre Elliott Trudeau Intl
3h 55m
1 stop
IAD10:25 amWashington, D.C. Dulles Intl
Jul 21
IAD3:55 pmWashington, D.C. Dulles Intl
6h 15m
1 stop
YUL10:10 pmMontreal Pierre Elliott Trudeau Intl
$293
Porter Airlines
Jul 21
YUL10:35 amMontreal Pierre Elliott Trudeau Intl
4h 36m
1 stop
IAD3:11 pmWashington, D.C. Dulles Intl
Aug 8
IAD11:25 amWashington, D.C. Dulles Intl
6h 45m
1 stop
YUL6:10 pmMontreal Pierre Elliott Trudeau Intl
$295

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 June 26, 2026.
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

Cheapest round-trip

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 7/29

6:30 am-10:25 am

1 stop3h 55m

Washington, D.C. Dulles Intl

Tue 8/4

3:50 pm-10:10 pm

1 stop6h 20m

$292

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 7/16

6:30 am-10:25 am

1 stop3h 55m

Washington, D.C. Dulles Intl

Tue 7/21

3:55 pm-10:10 pm

1 stop6h 15m

$293

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 9/4

12:55 pm-5:08 pm

1 stop4h 13m

Washington, D.C. Dulles Intl

Mon 9/7

3:45 pm-5:27 pm

Nonstop1h 42m

$294

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Thu 9/24

8:40 am-12:00 pm

1 stop3h 20m

Washington, D.C. Reagan-National

Sun 9/27

9:40 am-11:28 am

Nonstop1h 48m

$294

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 7/21

10:35 am-3:11 pm

1 stop4h 36m

Washington, D.C. Dulles Intl

Sat 8/8

11:25 am-6:10 pm

1 stop6h 45m

$295
Quickest round-trip

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Thu 9/24

8:00 pm-9:50 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Sun 9/27

9:40 am-11:28 am

Nonstop1h 48m

$295

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 9/18

9:30 am-9:27 pm

2 stops11h 57m

Baltimore/Washington

Sat 10/3

5:40 pm-11:27 pm

1 stop5h 47m

$391

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Wed 12/23

9:28 am-10:48 pm

2 stops13h 20m

Baltimore/Washington

Sun 12/27

2:10 pm-11:51 pm

1 stop9h 41m

$397

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Tue 7/21

8:00 pm-10:47 am

2 stops14h 47m

Baltimore/Washington

Tue 8/11

1:45 pm-7:05 am

2 stops17h 20m

$422

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Tue 8/11

6:51 pm-10:57 am

1 stop16h 06m

Baltimore/Washington

Tue 8/18

6:05 am-11:40 pm

1 stop17h 35m

$423

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 April is, on average, the cheapest month to fly to Washington, D.C. from Montreal, with most prices found around $103. If you’re not able to fly to Washington, D.C. in April, then October is your next best option. Flight prices from Montreal to Washington, D.C. during October average around $108.

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 Friday. momondo users have found tickets for Friday departures for as low as $380. 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 $713.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the evening is the cheapest time of day to fly from Montreal to Washington, D.C. when you can find flight prices for as low as $460. Flying to Washington, D.C. in the evening 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 $541. 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

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?

You could potentially save up to 23% on your flight if you consider stops on a Montreal to Washington, D.C. flight.

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

As of June 2026, prices for Montreal to Washington, D.C. flights are approximately 12% more expensive 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

$212

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 $212. The best round-trip flight deal from Montreal to Washington, D.C. found on momondo in the last 72 hours is $355.
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 in Washington, D.C.. From Montreal there are direct flights to Washington, D.C. Reagan-National (DCA).

Frequently asked questions about flying from Montreal to Washington, D.C.

  • 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
Porter AirlinesPriceFrom $197Free CancellationRating
8.0
440 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $247Free CancellationRating
7.1
11,267 reviews
Search Air Canada flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,895 reviews
Search United Airlines flights
DeltaPriceFrom $417Free CancellationRating
7.8
8,452 reviews
Search Delta flights
  • United Airlines Flights From Montreal to Washington, D.C.

    United Airlines operates around 44 flights from Montreal to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $436, but momondo users have found United Airlines deals from Montreal to Washington, D.C. from as low as $258 round-trip. United Airlines has been scored 7.4/10 in 9,893 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 $247 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $335. Air Canada operates 44 flights to Washington, D.C. from Montreal in an average week. Users have rated it 7.1/10 across 11,266 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
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Tysons
Springfield
Fairfax
Bethesda
Glen Burnie

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

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1 adult
Sun 7/26
Sun 8/2

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.