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

Delta, Air Canada, and United Airlines 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 week?

As of September 2026, there are 113 flights per week flying from Montreal to Washington, D.C.. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

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

16 flights are operational daily from Montreal to Washington, D.C. as of September 2026. The most popular departure time for this route is 9:00AM, with 54% of flights per day taking off in the afternoon.

What airlines fly to Washington, D.C.?

Air Canada, United Airlines and Delta 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 4 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 4 operators available for flights from Montreal to Washington, D.C. as of September 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.

$178 Cheap Flights from Montreal to Washington, D.C. in 2026

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

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6:25 pm - 8:23 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

9:55 am - 11:38 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 43mnonstop

$281Air Canada

Fri, Oct 30 - Sun, Nov 1

6:25 pm - 8:23 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

5:20 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

4h 25m1 stop Toronto Island

$286Air Canada

Fri, Oct 30 - Sun, Nov 1

10:10 am - 3:45 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

5h 35m1 stop Toronto Pearson Intl

9:55 am - 3:25 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

5h 30m1 stop Toronto Pearson Intl

$294Air Canada

Tue, Nov 10 - Sat, Nov 14

9:10 am - 3:45 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

6h 35m1 stop Toronto Pearson Intl

6:25 pm - 10:10 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

3h 45m1 stop Toronto Island

$299Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

6:30 am - 10:45 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

4h 15m1 stop Toronto Island

11:20 am - 4:00 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

4h 40m1 stop Toronto Island

$300Porter Airlines

Sat, Oct 24 - Mon, Oct 26

9:45 am - 5:43 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

7h 58m1 stop Toronto Island

11:20 am - 4:00 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

4h 40m1 stop Toronto Island

$302Porter Airlines

Sun, Nov 1 - Tue, Nov 3

4:49 pm - 11:30 pmYUL Montreal Pierre Elliott Trudeau Intl-DCA Washington, D.C. Reagan-National

6h 41m1 stop Detroit Metropolitan Wayne County

5:34 pm - 11:33 pmDCA Washington, D.C. Reagan-National-YUL Montreal Pierre Elliott Trudeau Intl

5h 59m1 stop Detroit Metropolitan Wayne County

$308Delta

Fri, Dec 11 - Sun, Dec 13

9:25 am - 4:20 pmYUL Montreal Pierre Elliott Trudeau Intl-DCA Washington, D.C. Reagan-National

6h 55m1 stop New York LaGuardia

6:10 am - 11:57 amDCA Washington, D.C. Reagan-National-YUL Montreal Pierre Elliott Trudeau Intl

5h 47m1 stop Detroit Metropolitan Wayne County

$308Delta

Thu, Oct 29 - Sun, Nov 1

9:15 am - 11:28 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

2h 13mnonstop

5:46 pm - 7:48 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

2h 02mnonstop

$398United Airlines

Wed, Nov 25 - Sun, Nov 29

9:15 am - 11:34 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

2h 19mnonstop

1:19 pm - 3:16 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 57mnonstop

$398United Airlines

Mon, Dec 21 - Fri, Jan 1

Cheap last minute flights

Enter your travel dates to find the best prices.

9:00 am - 3:10 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

6h 10m1 stop Toronto Island

3:50 pm - 9:12 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

5h 22m1 stop Toronto Island

$387Porter Airlines

Thu, Sep 17 - Sun, Sep 20

8:40 am - 12:14 pmYUL Montreal Pierre Elliott Trudeau Intl-DCA Washington, D.C. Reagan-National

3h 34m1 stop Ottawa

4:20 pm - 6:13 pmDCA Washington, D.C. Reagan-National-YUL Montreal Pierre Elliott Trudeau Intl

1h 53mnonstop

$389Air Canada

Fri, Sep 18 - Sun, Sep 20

1:50 pm - 3:40 pmYUL Montreal Pierre Elliott Trudeau Intl-DCA Washington, D.C. Reagan-National

1h 50mnonstop

9:40 am - 11:28 amDCA Washington, D.C. Reagan-National-YUL Montreal Pierre Elliott Trudeau Intl

1h 48mnonstop

$389Air Canada

Sat, Sep 19 - Sun, Sep 20

6:30 am - 10:45 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

4h 15m1 stop Toronto Island

3:50 pm - 9:12 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

5h 22m1 stop Toronto Island

$434Porter Airlines

Fri, Sep 18 - Sun, Sep 20

12:44 pm - 9:43 pmYUL Montreal Pierre Elliott Trudeau Intl-DCA Washington, D.C. Reagan-National

8h 59m1 stop Atlanta Hartsfield-Jackson

5:35 pm - 11:27 pmDCA Washington, D.C. Reagan-National-YUL Montreal Pierre Elliott Trudeau Intl

5h 52m1 stop Detroit Metropolitan Wayne County

$462Delta

Thu, Sep 17 - Mon, Sep 21

6:10 am - 11:52 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

5h 42m1 stop Chicago O'Hare Intl

5:40 pm - 7:45 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

2h 05mnonstop

$504United Airlines

Wed, Sep 16 - Wed, Sep 16

1:10 pm - 3:05 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

3:50 pm - 5:28 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 38mnonstop

$536Jazz

Sat, Sep 19 - Mon, Sep 21

1:10 pm - 3:05 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

3:50 pm - 5:28 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 38mnonstop

$536Jazz

Sat, Sep 19 - Sat, Sep 26

6:00 am - 11:45 amYUL Montreal Pierre Elliott Trudeau Intl-BWI Baltimore/Washington

5h 45m1 stop Detroit Metropolitan Wayne County

5:00 pm - 11:50 pmBWI Baltimore/Washington-YUL Montreal Pierre Elliott Trudeau Intl

6h 50m1 stop Atlanta Hartsfield-Jackson

$542Delta

Sat, Sep 19 - Sun, Sep 20

6:00 am - 11:47 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

5h 47m2 stops Newark Richmond Byrd Intl

5:45 pm - 10:06 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

4h 21m1 stop Newark

$1,350United Airlines

Fri, Sep 18 - Fri, Sep 18

Cheap direct flights

Enter your travel dates to find the best prices.

6:25 pm - 8:23 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

9:55 am - 11:38 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 43mnonstop

$281Air Canada

Fri, Oct 30 - Sun, Nov 1

6:25 pm - 8:23 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

9:55 am - 11:38 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 43mnonstop

$302Air Canada

Sat, Nov 7 - Mon, Nov 9

6:25 pm - 8:23 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

9:55 am - 11:38 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 43mnonstop

$302Air Canada

Fri, Oct 30 - Sun, Nov 1

6:25 pm - 8:23 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

9:55 am - 11:38 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 43mnonstop

$302Air Canada

Mon, Nov 23 - Sat, Nov 28

9:15 am - 11:28 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

2h 13mnonstop

9:55 am - 11:38 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 43mnonstop

$358Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

9:15 am - 11:28 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

2h 13mnonstop

9:55 am - 11:38 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 43mnonstop

$359Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

5:10 pm - 7:05 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

9:50 am - 11:28 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 38mnonstop

$380Jazz

Fri, Sep 25 - Mon, Sep 28

9:15 am - 11:34 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

2h 19mnonstop

1:19 pm - 3:16 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 57mnonstop

$398United Airlines

Tue, Dec 22 - Fri, Jan 1

9:15 am - 11:34 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

2h 19mnonstop

5:45 pm - 7:48 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

2h 03mnonstop

$398United Airlines

Sun, Dec 20 - Sat, Jan 2

9:15 am - 11:34 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

2h 19mnonstop

1:19 pm - 3:16 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 57mnonstop

$398United Airlines

Mon, Dec 21 - Mon, Jan 4

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Delta flights from Montreal to Washington, D.C.

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

Delta

Oct 29

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

10h 10m

1 stop

IAD5:10 pmWashington, D.C. Dulles Intl

Nov 5

IAD3:04 pmWashington, D.C. Dulles Intl

8h 50m

1 stop

YUL11:54 pmMontreal Pierre Elliott Trudeau Intl

$308

Delta

Oct 13

YUL6:50 pmMontreal Pierre Elliott Trudeau Intl

5h 52m

1 stop

IAD12:42 amWashington, D.C. Dulles Intl

Oct 16

IAD3:03 pmWashington, D.C. Dulles Intl

8h 51m

1 stop

YUL11:54 pmMontreal Pierre Elliott Trudeau Intl

$338

Delta

Sep 24

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

9h 17m

1 stop

IAD4:17 pmWashington, D.C. Dulles Intl

Sep 27

IAD6:00 amWashington, D.C. Dulles Intl

5h 36m

1 stop

YUL11:36 amMontreal Pierre Elliott Trudeau Intl

$340

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

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

Porter Airlines

Nov 13

YUL9:45 amMontreal Pierre Elliott Trudeau Intl

7h 58m

1 stop

IAD5:43 pmWashington, D.C. Dulles Intl

Nov 15

IAD6:25 pmWashington, D.C. Dulles Intl

3h 45m

1 stop

YUL10:10 pmMontreal Pierre Elliott Trudeau Intl

$304

Porter Airlines

Oct 22

YUL9:00 amMontreal Pierre Elliott Trudeau Intl

6h 10m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

Oct 26

IAD11:20 amWashington, D.C. Dulles Intl

4h 40m

1 stop

YUL4:00 pmMontreal Pierre Elliott Trudeau Intl

$305

Porter Airlines

Nov 23

YUL9:45 amMontreal Pierre Elliott Trudeau Intl

7h 58m

1 stop

IAD5:43 pmWashington, D.C. Dulles Intl

Nov 28

IAD11:20 amWashington, D.C. Dulles Intl

4h 40m

1 stop

YUL4:00 pmMontreal Pierre Elliott Trudeau Intl

$306

momondo Fare Finder

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

Quickest round-trip

MontrealWashington, D.C.

YUL Montreal Pierre Elliott Trudeau Intl - IAD Washington, D.C. Dulles Intl

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 10/30

6:25 pm-8:23 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 11/1

9:55 am-11:38 am

Nonstop1h 43m

$281

MontrealWashington, D.C.

YUL Montreal Pierre Elliott Trudeau Intl - IAD Washington, D.C. Dulles Intl

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 10/30

6:25 pm-8:23 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 11/1

5:20 pm-9:45 pm

1 stop4h 25m

$286

MontrealWashington, D.C.

YUL Montreal Pierre Elliott Trudeau Intl - IAD Washington, D.C. Dulles Intl

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 11/10

10:10 am-3:45 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

Sat 11/14

9:55 am-3:25 pm

1 stop5h 30m

$294

MontrealWashington, D.C.

YUL Montreal Pierre Elliott Trudeau Intl - IAD Washington, D.C. Dulles Intl

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 10/29

9:10 am-3:45 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Sun 11/1

6:25 pm-10:10 pm

1 stop3h 45m

$299

MontrealWashington, D.C.

YUL Montreal Pierre Elliott Trudeau Intl - IAD Washington, D.C. Dulles Intl

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 10/24

6:30 am-10:45 am

1 stop4h 15m

Washington, D.C. Dulles Intl

Mon 10/26

11:20 am-4:00 pm

1 stop4h 40m

$300

MontrealWashington, D.C.

YUL Montreal Pierre Elliott Trudeau Intl - IAD Washington, D.C. Dulles Intl

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

9:45 am-5:43 pm

1 stop7h 58m

Washington, D.C. Dulles Intl

Tue 11/3

11:20 am-4:00 pm

1 stop4h 40m

$302

MontrealWashington, D.C.

YUL Montreal Pierre Elliott Trudeau Intl - DCA Washington, D.C. Reagan-National

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 12/11

4:49 pm-11:30 pm

1 stop6h 41m

Washington, D.C. Reagan-National

Sun 12/13

5:34 pm-11:33 pm

1 stop5h 59m

$308

MontrealWashington, D.C.

YUL Montreal Pierre Elliott Trudeau Intl - DCA Washington, D.C. Reagan-National

YULDCA

Montreal Pierre Elliott Trudeau Intl

Thu 10/29

9:25 am-4:20 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Sun 11/1

6:10 am-11:57 am

1 stop5h 47m

$308

MontrealWashington, D.C.

YUL Montreal Pierre Elliott Trudeau Intl - IAD Washington, D.C. Dulles Intl

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 11/25

9:15 am-11:28 am

Nonstop2h 13m

Washington, D.C. Dulles Intl

Sun 11/29

5:46 pm-7:48 pm

Nonstop2h 02m

$398

MontrealWashington, D.C.

YUL Montreal Pierre Elliott Trudeau Intl - IAD Washington, D.C. Dulles Intl

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 12/21

9:15 am-11:34 am

Nonstop2h 19m

Washington, D.C. Dulles Intl

Fri 1/1

1:19 pm-3:16 pm

Nonstop1h 57m

$398

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.?

Prices are currently low for flights on this route.

Typical prices usually range from $334 to $370.
The lowest price recently found on this route was $281.

What is the cheapest month to fly to Washington, D.C.?

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Montreal, with most prices found around $314. If you’re not able to fly to Washington, D.C. in February, then January is your next best option. Flight prices from Montreal to Washington, D.C. during January average around $325.

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 $639.

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 $443. 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 $517. 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

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 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 September 2026, prices for Montreal to Washington, D.C. flights are approximately 19% 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	$178
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 $178. The best round-trip flight deal from Montreal to Washington, D.C. found on momondo in the last 72 hours is $281.

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 4 operators available for flights from Montreal to Washington, D.C. as of September 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 25.66% of the total bookings. Other popular models include Embraer 175 with 19.21%, Canadair (Bombardier) Regional Jet 900 with 13.85%, and Boeing 777-300ER with 6.86%.
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 72% of the total bookings. Other popular airlines include United Airlines with 17% and Porter Airlines with 12%.

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 $190	Free Cancellation	Rating 8.0 460 reviews	Search Porter Airlines flights
Air Canada	PriceFrom $256	Free Cancellation	Rating 7.1 11,621 reviews	Search Air Canada flights
United Airlines	PriceFrom $280	Free Cancellation	Rating 7.4 10,213 reviews	Search United Airlines flights
Delta	PriceFrom $417	Free Cancellation	Rating 7.8 8,564 reviews	Search Delta flights

United Airlines Flights From Montreal to Washington, D.C.
United Airlines operates around 46 flights from Montreal to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $394, but momondo users have found United Airlines deals from Montreal to Washington, D.C. from as low as $280 round-trip. United Airlines has been scored 7.4/10 in 10,213 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 $256 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $345. Air Canada operates 46 flights to Washington, D.C. from Montreal in an average week. Users have rated it 7.1/10 across 11,621 reviews.

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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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Complete your trip

Feeling lucky

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Montreal to Washington, D.C. from $178

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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Delta flights from Montreal to Washington, D.C.

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

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

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

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