Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal to Washington, D.C. from C$ 202

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 4/12. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? 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.
Search flight deals

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
6:45 a.m. - 10:24 a.m.YUL-IAD
3h 39m1 stop
Porter Airlines Logo
11:40 a.m. - 4:30 p.m.IAD-YUL
4h 50m1 stop
C$ 321Porter Airlines
Find Deal
mié., 10 dic. - lun., 15 dic.
Air Canada Logo
7:00 p.m. - 8:59 p.m.YUL-IAD
1h 59mdirect
Air Canada Logo
9:00 a.m. - 2:22 p.m.IAD-YUL
5h 22m1 stop
C$ 331Air Canada
Find Deal
mié., 10 dic. - lun., 15 dic.
Air Canada Logo
7:00 p.m. - 8:54 p.m.YUL-IAD
1h 54mdirect
Air Canada Logo
9:45 a.m. - 11:30 a.m.IAD-YUL
1h 45mdirect
C$ 336Air Canada
Find Deal
jue., 15 ene. - lun., 26 ene.
Porter Airlines Logo
11:25 a.m. - 5:14 p.m.YUL-IAD
5h 49m1 stop
Porter Airlines Logo
11:40 a.m. - 5:15 p.m.IAD-YUL
5h 35m1 stop
C$ 338Porter Airlines
Find Deal
vie., 26 dic. - mié., 31 dic.
Porter Airlines Logo
6:45 a.m. - 10:24 a.m.YUL-IAD
3h 39m1 stop
Porter Airlines Logo
6:30 p.m. - 10:45 p.m.IAD-YUL
4h 15m1 stop
C$ 340Porter Airlines
Find Deal
mié., 17 dic. - sáb., 3 ene.
Delta Logo
9:34 a.m. - 8:37 p.m.YUL-IAD
11h 03m2 stops
Delta Logo
7:15 a.m. - 4:55 p.m.IAD-YUL
9h 40m1 stop
C$ 344Delta
Find Deal
jue., 15 ene. - lun., 19 ene.
Air Canada Logo
7:00 p.m. - 8:54 p.m.YUL-IAD
1h 54mdirect
Air Canada Logo
9:00 a.m. - 1:22 p.m.IAD-YUL
4h 22m1 stop
C$ 345Air Canada
Find Deal
vie., 16 ene. - lun., 26 ene.
Porter Airlines Logo
6:45 a.m. - 10:24 a.m.YUL-IAD
3h 39m1 stop
Porter Airlines Logo
11:35 a.m. - 5:45 p.m.IAD-YUL
6h 10m1 stop
C$ 348Porter Airlines
Find Deal
dom., 21 dic. - dom., 18 ene.
Porter Airlines Logo
1:40 p.m. - 5:14 p.m.YUL-IAD
3h 34m1 stop
Porter Airlines Logo
11:40 a.m. - 3:20 p.m.IAD-YUL
3h 40m1 stop
C$ 351Porter Airlines
Find Deal
mar., 23 dic. - lun., 29 dic.
Air Canada Logo
4:10 p.m. - 8:26 p.m.YUL-IAD
4h 16m1 stop
Air Canada Logo
9:00 a.m. - 2:22 p.m.IAD-YUL
5h 22m1 stop
C$ 354Air Canada
Find Deal
dom., 18 ene. - vie., 23 ene.

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

Our best Porter Airlines deals on Montreal to Washington, D.C. flight tickets
Porter Airlines
10 Dec
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
3h 39m
1 stop
IAD10:24 a.m.Washington, D.C. Dulles Intl
15 Dec
IAD11:40 a.m.Washington, D.C. Dulles Intl
4h 50m
1 stop
YUL4:30 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 321
Find similar
Porter Airlines
26 Dec
YUL11:25 a.m.Montreal Pierre Elliott Trudeau Intl
5h 49m
1 stop
IAD5:14 p.m.Washington, D.C. Dulles Intl
31 Dec
IAD11:40 a.m.Washington, D.C. Dulles Intl
5h 35m
1 stop
YUL5:15 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 338
Find similar
Porter Airlines
17 Dec
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
3h 39m
1 stop
IAD10:24 a.m.Washington, D.C. Dulles Intl
3 Jan
IAD6:30 p.m.Washington, D.C. Dulles Intl
4h 15m
1 stop
YUL10:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 340
Find similar

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

Our best Air Canada deals on Montreal to Washington, D.C. flight tickets
Air Canada
10 Dec
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
1h 59m
IAD8:59 p.m.Washington, D.C. Dulles Intl
15 Dec
IAD9:00 a.m.Washington, D.C. Dulles Intl
5h 22m
1 stop
YUL2:22 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 331
Find similar
Air Canada
15 Jan
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
1h 54m
IAD8:54 p.m.Washington, D.C. Dulles Intl
26 Jan
IAD9:45 a.m.Washington, D.C. Dulles Intl
1h 45m
YUL11:30 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 336
Find similar
Air Canada
16 Jan
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
1h 54m
IAD8:54 p.m.Washington, D.C. Dulles Intl
26 Jan
IAD9:00 a.m.Washington, D.C. Dulles Intl
4h 22m
1 stop
YUL1:22 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 345
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 96,600 searches. Data last updated 24 noviembre 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

mié. 10/12

6:45 a.m.-10:24 a.m.

1 stop3h 39m

Washington, D.C. Dulles Intl

lun. 15/12

11:40 a.m.-4:30 p.m.

1 stop4h 50m

C$ 321

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

mié. 10/12

7:00 p.m.-8:59 p.m.

Nonstop1h 59m

Washington, D.C. Dulles Intl

lun. 15/12

9:00 a.m.-2:22 p.m.

1 stop5h 22m

C$ 331

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

jue. 15/1

7:00 p.m.-8:54 p.m.

Nonstop1h 54m

Washington, D.C. Dulles Intl

lun. 26/1

9:45 a.m.-11:30 a.m.

Nonstop1h 45m

C$ 336

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

vie. 26/12

11:25 a.m.-5:14 p.m.

1 stop5h 49m

Washington, D.C. Dulles Intl

mié. 31/12

11:40 a.m.-5:15 p.m.

1 stop5h 35m

C$ 338

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

mié. 17/12

6:45 a.m.-10:24 a.m.

1 stop3h 39m

Washington, D.C. Dulles Intl

sáb. 3/1

6:30 p.m.-10:45 p.m.

1 stop4h 15m

C$ 340

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

jue. 15/1

9:34 a.m.-8:37 p.m.

2 stops11h 03m

Washington, D.C. Dulles Intl

lun. 19/1

7:15 a.m.-4:55 p.m.

1 stop9h 40m

C$ 344

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

vie. 16/1

7:00 p.m.-8:54 p.m.

Nonstop1h 54m

Washington, D.C. Dulles Intl

lun. 26/1

9:00 a.m.-1:22 p.m.

1 stop4h 22m

C$ 345

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

dom. 21/12

6:45 a.m.-10:24 a.m.

1 stop3h 39m

Washington, D.C. Dulles Intl

dom. 18/1

11:35 a.m.-5:45 p.m.

1 stop6h 10m

C$ 348

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

mar. 23/12

1:40 p.m.-5:14 p.m.

1 stop3h 34m

Washington, D.C. Dulles Intl

lun. 29/12

11:40 a.m.-3:20 p.m.

1 stop3h 40m

C$ 351

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

dom. 18/1

4:10 p.m.-8:26 p.m.

1 stop4h 16m

Washington, D.C. Dulles Intl

vie. 23/1

9:00 a.m.-2:22 p.m.

1 stop5h 22m

C$ 354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.?

If you aren’t able to travel during the month of October, then book flights to Washington, D.C. from Montreal during May instead. Flights to Washington, D.C. in May, while not as cheap as those in October, still average around C$ 402.

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

The cheapest day to depart from Montreal to Washington, D.C. is on a Friday. Travellers who choose to depart for Washington, D.C. on a Friday will often find tickets for as low as C$ 761. The most expensive day to fly to Washington, D.C. is Sunday, with ticket prices averaging around C$ 1,136.

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 C$ 715. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Washington, D.C., so prices are often more expensive at around C$ 993 per ticket.

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 C$ 460 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 C$ 293 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?

You could potentially save up to 2% 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 November 2025, prices for Montreal to Washington, D.C. flights are approximately 4% 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

C$ 334

Fastest flight time

1h 49m

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 C$ 334. The best round-trip flight deal from Montreal to Washington, D.C. found on momondo in the last 72 hours is C$ 498.
The fastest flight from Montreal to Washington, D.C. takes 1h 49m
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?

    Washington, D.C. is 786.1 km away from Montreal. Flights usually cover this in 1h 54m, depending on flying conditions and air traffic around both airports.

  • 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
DeltaPriceFrom C$ 261Free CancellationRating
7.9
7,993 reviews
Search Delta flights
Porter AirlinesPriceFrom C$ 306Free CancellationRating
8.0
393 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 331Free CancellationRating
7.1
10,466 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 371Free CancellationRating
7.4
9,039 reviews
Search United Airlines flights
WestJetPriceFrom C$ 505Free CancellationRating
7.2
3,172 reviews
Search WestJet flights

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

    Across 41 United Airlines flights from Montreal to Washington, D.C. this week, the average price was C$ 481, with the best United Airlines deals starting from C$ 371 round-trip. 9,039 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • Air Canada Flights From Montreal to Washington, D.C.

    Air Canada (7.1/10 from 10,466 reviews) operates around 41 flights from Montreal to Washington, D.C. in any given week. The average Air Canada airfare for this route is around C$ 482, with deals from around C$ 331 rare but found on momondo. Referenced prices are for round-trip Montreal to Washington, D.C. flight searches in the last 72 hours.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg
Alexandria
Fairfax
Linthicum Heights
Silver Spring
Bethesda
Reston
Herndon
Laurel
Capitol Heights
Arlington
Manassas
Fredericksburg
Woodbridge
Rockville
McLean
National Harbor
Tysons

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Montreal to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Montreal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montreal to Washington, D.C.?

momondo helps you find the best flight between Montreal and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 not ready to book a flight from Montreal to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mié. 24/12
mié. 31/12
By creating a price alert you accept our terms of use and privacy policy.

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 36.1 km from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport