In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

How can I find direct flights from Pierre Elliott Trudeau Intl to Reagan-National?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Reagan-National.

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Reagan-National?

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 258+ Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport

Q: What are the most popular airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?

Air Canada, United Airlines and Delta are the most popular airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport.

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Reagan-National are usually found in January or February, booked 28 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Pierre Elliott Trudeau Intl to Reagan-National

Enter your travel dates to find the best prices.

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Cheapest flights from Pierre Elliott Trudeau Intl to Reagan-National
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 November 2026.

Thu 26/118:00 p.m. -

Nonstop1h 59m

Mon 30/116:00 a.m. -

Nonstop1h 46m

Deal found 30/10C$ 451

Fri 27/118:25 a.m. -

Nonstop1h 59m

Tue 1/126:00 a.m. -

Nonstop1h 46m

Deal found 1/11C$ 453

Fri 13/118:00 p.m. -

Nonstop1h 59m

Sun 22/1112:55 p.m. -

1 stop5h 48m

Deal found 31/10C$ 458

Thu 19/114:40 p.m. -

1 stop5h 58m

Sun 22/1112:55 p.m. -

1 stop5h 48m

Deal found 1/11C$ 462

Sat 14/118:50 a.m. -

2 stops9h 28m

Sun 15/116:00 a.m. -

Nonstop1h 46m

Deal found 31/10C$ 468

Sat 12/128:00 p.m. -

Nonstop1h 59m

Mon 4/16:59 a.m. -

1 stop4h 26m

Deal found 1/11C$ 472

Sat 12/128:00 p.m. -

Nonstop1h 59m

Sun 3/16:00 a.m. -

Nonstop1h 46m

Deal found 29/10C$ 475

Find flight deals from Pierre Elliott Trudeau Intl to Reagan-National

Round-trip from	C$ 451
One-way from	C$ 258
Popular in	May
Cheapest in	January
Average price	C$ 509
Good round-trip deal	C$ 456 or less
Good one-way deal	C$ 293 or less

Air Canada
26/11-30/11
Nonstop
3h 45m total
Montreal to Washington, D.C.

Search Deals

Air Canada
17/11-31/12
Nonstop
1h 59m total
Montreal to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (C$ 17 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).

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Average for round-trip flights in November 2026

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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Reagan-National.

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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Reagan-National.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport that are best for you.

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Route

Depart

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Price

Cheapest round-trip

Quickest round-trip

MontrealWashington, D.C.

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

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 20/11

1:25 p.m.-3:24 p.m.

Nonstop1h 59m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 274

MontrealWashington, D.C.

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

YULDCA

Montreal Pierre Elliott Trudeau Intl

Mon 23/11

12:44 p.m.-6:25 p.m.

1 stop5h 41m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 285

MontrealWashington, D.C.

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

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 27/11

7:00 a.m.-5:30 p.m.

1 stop10h 30m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 286

MontrealWashington, D.C.

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

YULDCA

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

8:30 a.m.-10:29 a.m.

Nonstop1h 59m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 288

MontrealWashington, D.C.

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

YULDCA

Montreal Pierre Elliott Trudeau Intl

Thu 17/12

6:00 a.m.-11:34 a.m.

1 stop5h 34m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 293

MontrealWashington, D.C.

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

YULDCA

Montreal Pierre Elliott Trudeau Intl

Wed 18/11

12:44 p.m.-6:25 p.m.

1 stop5h 41m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 298

MontrealWashington, D.C.

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

YULDCA

Montreal Pierre Elliott Trudeau Intl

Thu 19/11

9:40 a.m.-3:57 p.m.

1 stop6h 17m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 298

MontrealWashington, D.C.

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

YULDCA

Montreal Pierre Elliott Trudeau Intl

Sun 10/1

12:43 p.m.-9:43 p.m.

1 stop9h 00m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 310

MontrealWashington, D.C.

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

YULDCA

Montreal Pierre Elliott Trudeau Intl

Mon 30/11

12:44 p.m.-10:45 p.m.

1 stop10h 01m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 352

MontrealWashington, D.C.

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

YULDCA

Montreal Pierre Elliott Trudeau Intl

Sun 15/11

7:00 a.m.-5:20 p.m.

1 stop10h 20m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 376

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 22 resultsSorted by cheapest first

Best time to book a flight from Pierre Elliott Trudeau Intl to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Pierre Elliott Trudeau Intl with our price prediction graph.

YUL-DCA

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport (average of C$ 391). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport in May is currently the most expensive (average of C$ 584). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YUL to DCA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport as you normally would.

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?

Airfare is typical for this route at the moment.

Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport flights typically cost between C$ 448 and C$ 602 in November.
The cheapest round-trip price found within the last 5 days was C$ 451 on Air Canada (26 Nov-30 Nov).

Reviews of airlines servicing Reagan-National

Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport, such as Delta,United Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,696 reviews

Check prices

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Delta

7.8

Good

8,696 reviews

Delta

7.8

Good

8,696 reviews

Check prices

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

United Airlines

7.3

Good

10,463 reviews

Delta

7.8

Good

8,696 reviews

Check prices

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Air Canada

7.1

Good

11,845 reviews

Delta

7.8

Good

8,696 reviews

Check prices

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?
Departing from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport will take you 1h 59m. The distance from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport is about 782 km. This flight may include one or multiple stops.
What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport round-trip?
Flying on Air Canada is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at C$ 389. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at C$ 415 and C$ 458, respectively. These flights start at 22% lower than the current average price 3 months from now.
What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?
Consider Air Canada (64%), Jazz (64%) or United Airlines (64%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport.
What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?
Looking at all options, your cheapest flight can be booked for C$ 248. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Reagan-National) can be booked for C$ 476 on average, our data indicates C$ 562 when flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport.
Can I find deals for flights from Pierre Elliott Trudeau Intl to Reagan-National that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Reagan-National.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Reagan-National?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?
Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport (average of C$ 391). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport in May is currently the most expensive (average of C$ 584). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Pierre Elliott Trudeau Intl to Reagan-National

Pierre Elliott Trudeau Intl to Dulles Intl flights

Pierre Elliott Trudeau Intl to Baltimore flights

Top 3 airlines flying from Pierre Elliott Trudeau Intl to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 389	AverageC$ 512	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 415	AverageC$ 851	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 458	AverageC$ 594	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Reagan-National?

When you search for this flight from Pierre Elliott Trudeau Intl to Reagan-National, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Reagan-National?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Pierre Elliott Trudeau Intl to Reagan-National.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Reagan-National with no change fees?

Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl to Reagan-National with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Reagan-National become cheaper?

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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport from C$ 258

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Pierre Elliott Trudeau Intl to Reagan-National

Cheapest flights from Pierre Elliott Trudeau Intl to Reagan-NationalExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 November 2026.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 November 2026.

Best flights from Pierre Elliott Trudeau Intl to Reagan-NationalDiscover carefully curated flight deals from Pierre Elliott Trudeau Intl to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 November 2026.

Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 November 2026.

Direct flights from Pierre Elliott Trudeau Intl to Reagan-NationalExplore direct flight options from Pierre Elliott Trudeau Intl to Reagan-National based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 November 2026.

Explore direct flight options from Pierre Elliott Trudeau Intl to Reagan-National based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 November 2026.

Last-minute flights from Pierre Elliott Trudeau Intl to Reagan-NationalDiscover last-minute flight deals from Pierre Elliott Trudeau Intl to Reagan-National. Data last updated 2 November 2026 and is based on user searches.

Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Reagan-National. Data last updated 2 November 2026 and is based on user searches.

One-way flights from Pierre Elliott Trudeau Intl to Reagan-NationalSearch for one-way flight options from Pierre Elliott Trudeau Intl to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 2 November 2026.

Search for one-way flight options from Pierre Elliott Trudeau Intl to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 2 November 2026.

Find flight deals from Pierre Elliott Trudeau Intl to Reagan-National

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Average price

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Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from Pierre Elliott Trudeau Intl to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Pierre Elliott Trudeau Intl with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?

What is the cheapest time of day to fly from YUL to DCA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport as you normally would.

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?

Airfare is typical for this route at the moment.

Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport flights typically cost between C$ 448 and C$ 602 in November.The cheapest round-trip price found within the last 5 days was C$ 451 on Air Canada (26 Nov-30 Nov).

Reviews of airlines servicing Reagan-National

Related info for your journey

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?

What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport round-trip?

What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?

What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?

Can I find deals for flights from Pierre Elliott Trudeau Intl to Reagan-National that include hotel bookings?

How can I find direct flights from Pierre Elliott Trudeau Intl to Reagan-National?

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Reagan-National?

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport?

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Alternative routes for Pierre Elliott Trudeau Intl to Reagan-National

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Complete your trip

Complete your trip to Reagan-National by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to District of Columbia

Book a non-stop flight to one of these other cities located in District of Columbia.

Search flights from Pierre Elliott Trudeau Intl to Reagan-National by cabin class

Find flights from Pierre Elliott Trudeau Intl to Reagan-National, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Pierre Elliott Trudeau Intl and Reagan-National flights

Browse other Pierre Elliott Trudeau Intl and Reagan-National flight options. Last updated on 2 November 2026.

Other flights from Pierre Elliott Trudeau Intl

Browse through other flights departing from Pierre Elliott Trudeau Intl. Flights are based on user searches made on Cheapflights and were last updated on 2 November 2026.

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Other flights to Reagan-National

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Top 3 airlines flying from Pierre Elliott Trudeau Intl to Reagan-National

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Reagan-National?

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Reagan-National?

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Reagan-National with no change fees?

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Reagan-National become cheaper?

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Cheapest flights from Pierre Elliott Trudeau Intl to Reagan-National
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 November 2026.

Best flights from Pierre Elliott Trudeau Intl to Reagan-National
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 November 2026.

Direct flights from Pierre Elliott Trudeau Intl to Reagan-National
Explore direct flight options from Pierre Elliott Trudeau Intl to Reagan-National based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 November 2026.

Last-minute flights from Pierre Elliott Trudeau Intl to Reagan-National
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Reagan-National. Data last updated 2 November 2026 and is based on user searches.

One-way flights from Pierre Elliott Trudeau Intl to Reagan-National
Search for one-way flight options from Pierre Elliott Trudeau Intl to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 2 November 2026.

Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Reagan-National Airport flights typically cost between C$ 448 and C$ 602 in November.
The cheapest round-trip price found within the last 5 days was C$ 451 on Air Canada (26 Nov-30 Nov).