What is the cheapest airline that flies from Montreal to Washington, D.C.?

United Airlines, Porter Airlines, and Delta are the most popular carriers operating from Montreal to Washington, D.C.

How many flights depart from Montreal to Washington, D.C. on average per day?

18 flights are operational daily from Montreal to Washington, D.C. as of May 2026. The most popular departure time for this route is 9:00AM, with 40% of flights per day taking off in the afternoon.

How many flights depart from Montreal to Washington, D.C. on average per week?

As of May 2026, there are 130 flights per week flying from Montreal to Washington, D.C.. The most common day of the week flights depart is Fri, with 15% of flights taking off on this day.

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 74% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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 3 operators available for flights from Montreal to Washington, D.C. as of May 2026.

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.

$168 Cheap Flights from Montreal to Washington, D.C. in 2026

Q: What is the typical price of a round-trip flight between Montreal and Washington, D.C.?

Prices are currently low for flights on this route. Typical prices usually range from $405 to $297. The lowest price recently found on this route was $268.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:35 am - 3:16 pm

YUL

IAD

4h 41m

1 stop

11:30 am - 6:10 pm

IAD

YUL

6h 40m

1 stop

$268Porter Airlines

Fri, Aug 7 - Sat, Aug 15

6:30 am - 10:46 am

YUL

IAD

4h 16m

1 stop

11:30 am - 6:10 pm

IAD

YUL

6h 40m

1 stop

$269Porter Airlines

Fri, Jun 19 - Wed, Jun 24

8:30 am - 10:19 am

YUL

DCA

1h 49mnonstop

6:00 am - 7:46 am

DCA

YUL

1h 46mnonstop

$290Air Canada

Fri, May 22 - Sun, May 24

8:30 am - 10:19 am

YUL

DCA

1h 49mnonstop

12:45 pm - 6:39 pm

DCA

YUL

5h 54m

1 stop

$295Air Canada

Sat, May 23 - Sun, May 24

7:00 am - 6:22 pm

YUL

BWI

11h 22m

1 stop

6:08 am - 11:56 am

BWI

YUL

5h 48m

1 stop

$434Delta

Fri, Aug 28 - Sun, Aug 30

7:00 am - 5:19 pm

YUL

BWI

10h 19m

1 stop

5:40 am - 11:43 am

BWI

YUL

6h 03m

1 stop

$435Delta

Sun, Jun 14 - Wed, Jun 17

9:45 am - 9:32 pm

YUL

BWI

11h 47m

1 stop

8:16 am - 5:30 pm

BWI

YUL

9h 14m

1 stop

$453United Airlines

Sat, Aug 1 - Mon, Aug 10

9:45 am - 9:32 pm

YUL

BWI

11h 47m

1 stop

8:16 am - 5:30 pm

BWI

YUL

9h 14m

1 stop

$454United Airlines

Sat, Aug 1 - Mon, Aug 10

8:00 pm - 10:47 am

YUL

BWI

14h 47m

2 stops

9:39 am - 4:20 pm

BWI

YUL

6h 41m

1 stop

$470WestJet

Mon, Jul 6 - Wed, Jul 8

8:00 pm - 10:57 am

YUL

BWI

14h 57m

2 stops

6:08 am - 11:35 pm

BWI

YUL

17h 27m

1 stop

$475WestJet

Mon, Aug 3 - Wed, Aug 12

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

Our best Air Canada deals on Montreal to Washington, D.C. flight tickets

Air Canada

May 22

YUL5:00 pmMontreal Pierre Elliott Trudeau Intl

1h 58m

IAD6:58 pmWashington, D.C. Dulles Intl

May 24

IAD3:45 pmWashington, D.C. Dulles Intl

1h 53m

YUL5:38 pmMontreal Pierre Elliott Trudeau Intl

$290

Air Canada

Jun 12

YUL1:05 pmMontreal Pierre Elliott Trudeau Intl

1h 58m

IAD3:03 pmWashington, D.C. Dulles Intl

Jun 14

IAD5:15 pmWashington, D.C. Dulles Intl

4h 30m

1 stop

YUL9:45 pmMontreal Pierre Elliott Trudeau Intl

$295

Air Canada

May 23

YUL1:05 pmMontreal Pierre Elliott Trudeau Intl

1h 58m

IAD3:03 pmWashington, D.C. Dulles Intl

May 24

IAD3:45 pmWashington, D.C. Dulles Intl

1h 53m

YUL5:38 pmMontreal Pierre Elliott Trudeau Intl

$296

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

Our best Porter Airlines deals on Montreal to Washington, D.C. flight tickets

Porter Airlines

Aug 7

YUL10:35 amMontreal Pierre Elliott Trudeau Intl

4h 41m

1 stop

IAD3:16 pmWashington, D.C. Dulles Intl

Aug 15

IAD11:30 amWashington, D.C. Dulles Intl

6h 40m

1 stop

YUL6:10 pmMontreal Pierre Elliott Trudeau Intl

$268

Porter Airlines

Jun 19

YUL6:30 amMontreal Pierre Elliott Trudeau Intl

4h 16m

1 stop

IAD10:46 amWashington, D.C. Dulles Intl

Jun 24

IAD11:30 amWashington, D.C. Dulles Intl

6h 40m

1 stop

YUL6:10 pmMontreal Pierre Elliott Trudeau Intl

$269

Porter Airlines

May 22

YUL6:30 amMontreal Pierre Elliott Trudeau Intl

4h 16m

1 stop

IAD10:46 amWashington, D.C. Dulles Intl

May 24

IAD11:30 amWashington, D.C. Dulles Intl

6h 45m

1 stop

YUL6:15 pmMontreal Pierre Elliott Trudeau Intl

$270

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 8/7

10:35 am-3:16 pm

1 stop4h 41m

Washington, D.C. Dulles Intl

Sat 8/15

11:30 am-6:10 pm

1 stop6h 40m

$268

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 6/19

6:30 am-10:46 am

1 stop4h 16m

Washington, D.C. Dulles Intl

Wed 6/24

11:30 am-6:10 pm

1 stop6h 40m

$269

Quickest round-trip

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 5/22

8:30 am-10:19 am

Nonstop1h 49m

Washington, D.C. Reagan-National

Sun 5/24

6:00 am-7:46 am

Nonstop1h 46m

$290

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Sat 5/23

8:30 am-10:19 am

Nonstop1h 49m

Washington, D.C. Reagan-National

Sun 5/24

12:45 pm-6:39 pm

1 stop5h 54m

$295

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 8/28

7:00 am-6:22 pm

1 stop11h 22m

Baltimore/Washington

Sun 8/30

6:08 am-11:56 am

1 stop5h 48m

$434

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Sun 6/14

7:00 am-5:19 pm

1 stop10h 19m

Baltimore/Washington

Wed 6/17

5:40 am-11:43 am

1 stop6h 03m

$435

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Sat 8/1

9:45 am-9:32 pm

1 stop11h 47m

Baltimore/Washington

Mon 8/10

8:16 am-5:30 pm

1 stop9h 14m

$453

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Sat 8/1

9:45 am-9:32 pm

1 stop11h 47m

Baltimore/Washington

Mon 8/10

8:16 am-5:30 pm

1 stop9h 14m

$454

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Mon 7/6

8:00 pm-10:47 am

2 stops14h 47m

Baltimore/Washington

Wed 7/8

9:39 am-4:20 pm

1 stop6h 41m

$470

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Mon 8/3

8:00 pm-10:57 am

2 stops14h 57m

Baltimore/Washington

Wed 8/12

6:08 am-11:35 pm

1 stop17h 27m

$475

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 June is, on average, the cheapest month to fly to Washington, D.C. from Montreal, with most prices found around $94. If you’re not able to fly to Washington, D.C. in June, then September is your next best option. Flight prices from Montreal to Washington, D.C. during September average around $98.

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 $372. 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 $684.

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 $454. 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 $538. 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

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

You could potentially save up to 16% 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 May 2026, prices for Montreal to Washington, D.C. flights are approximately 1% 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	$201
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 $201. The best round-trip flight deal from Montreal to Washington, D.C. found on momondo in the last 72 hours is $275.

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 in Washington, D.C.. From Montreal there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

Search flight deals

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 46m.
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 3 operators available for flights from Montreal to Washington, D.C. as of May 2026.
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 28.79% of the total bookings. Other popular models include Boeing 777-300ER with 9.53%, Embraer 175 with 9.21%, and Canadair (Bombardier) Regional Jet 900 with 7.00%.
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 75% of the total bookings. Other popular airlines include United Airlines with 15% and Porter Airlines with 10%.

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 Airlines	PriceFrom $197	Free Cancellation	Rating 8.0 436 reviews	Search Porter Airlines flights
Air Canada	PriceFrom $220	Free Cancellation	Rating 7.1 11,017 reviews	Search Air Canada flights
United Airlines	PriceFrom $247	Free Cancellation	Rating 7.4 9,698 reviews	Search United Airlines flights

United Airlines Flights From Montreal to Washington, D.C.
United Airlines operates around 51 flights from Montreal to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $439, but momondo users have found United Airlines deals from Montreal to Washington, D.C. from as low as $247 round-trip. United Airlines has been scored 7.4/10 in 9,700 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 $339. Air Canada operates 51 flights to Washington, D.C. from Montreal in an average week. Users have rated it 7.1/10 across 11,017 reviews.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Gaithersburg

Colonial Beach

Towson

Fredericksburg

Silver Spring

Rockville

Manassas

Linthicum Heights

Tysons

Bethesda

Springfield

Fairfax

College Park

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

Washington, D.C. Reagan-National Airport

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Cheap flights from Montreal to Washington, D.C. from $168

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 6/4. 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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Air Canada flights from Montreal to Washington, D.C.

Our best Air Canada 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

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Use the filters below to find and compare flights from Montreal to Washington, D.C. that are best for you.

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How to get the cheapest flight ticket from Montreal to Washington, D.C.

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.?

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

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

What is the cheapest Montreal to Washington, D.C. flight route?

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

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

What is the cheapest airline that flies from Montreal to Washington, D.C.?

What airlines fly to Washington, D.C.?

How many flights depart from Montreal to Washington, D.C. on average per day?

How many flights depart from Montreal to Washington, D.C. on average per week?

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

Fastest flight time

Direct flights

Airports in Washington, D.C.

Frequently asked questions about flying 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

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

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

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

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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.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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