Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. from C$ 205

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — WAS
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. are usually found in July or September, booked 50 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from Pierre Elliott Trudeau Intl to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 341

One-way from

C$ 205

Popular in

December

Cheapest in

July

Average price

C$ 389

Good round-trip deal

C$ 549 or less

Good one-way deal

C$ 440 or less
Porter Airlines
  • Porter Airlines
  • 9/10-13/10
  • 2 total stops
  • 8h 11m total
  • Montreal to Washington, D.C.
30/10
  • 30/10
  • 2 total stops
  • 12h 41m total
  • Montreal to Washington, D.C.
Highest demand for flights based on searches. 9% potential increase in price (C$ 69 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. (WAS).
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. (WAS).

Find flight deals from Pierre Elliott Trudeau Intl to Washington, D.C.

Cheapest flights from Pierre Elliott Trudeau Intl to Washington, D.C.
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Thu 9/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Mon 13/104:20 p.m.IAD - YUL
1 stop3h 50mPorter Airlines
Deal found 9/9C$ 341
Tue 23/98:15 a.m.YUL - DCA
1 stop3h 53mAir Canada
Sun 28/96:00 a.m.DCA - YUL
Nonstop1h 49mAir Canada
Deal found 9/9C$ 342
Thu 25/910:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Tue 30/94:20 p.m.IAD - YUL
1 stop3h 50mPorter Airlines
Deal found 11/9C$ 344
Thu 25/98:15 a.m.YUL - DCA
1 stop3h 53mAir Canada
Sun 28/96:59 a.m.DCA - YUL
1 stop5h 21mAir Canada
Deal found 9/9C$ 344
Sat 27/910:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Mon 29/94:20 p.m.IAD - YUL
1 stop5h 55mPorter Airlines
Deal found 10/9C$ 345
Sat 8/118:55 a.m.YUL - IAD
1 stop3h 34mPorter Airlines
Sun 9/116:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Deal found 9/9C$ 346
Tue 7/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Mon 13/104:20 p.m.IAD - YUL
1 stop3h 50mPorter Airlines
Deal found 9/9C$ 348
Thu 25/910:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Sun 28/94:20 p.m.IAD - YUL
1 stop5h 55mPorter Airlines
Deal found 10/9C$ 349
Mon 20/108:15 a.m.YUL - DCA
1 stop3h 53mAir Canada
Mon 27/1012:55 p.m.DCA - YUL
1 stop6h 19mAir Canada
Deal found 9/9C$ 349
Fri 21/115:10 p.m.YUL - DCA
1 stop5h 25mAir Canada
Sun 23/1112:55 p.m.DCA - YUL
1 stop6h 19mAir Canada
Deal found 9/9C$ 351
Tue 21/109:15 a.m.YUL - IAD
1 stop4h 23mAir Canada
Sun 26/109:45 a.m.IAD - YUL
Nonstop1h 53mAir Canada
Deal found 9/9C$ 352
Wed 22/102:00 p.m.YUL - DCA
Nonstop1h 51mAir Canada
Sat 25/1011:00 a.m.DCA - YUL
1 stop4h 20mAir Canada
Deal found 9/9C$ 352

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Washington, D.C.

Route

Depart

Return

Price

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

8:15 a.m.-12:08 p.m.

1 stop3h 53m

Washington, D.C. Reagan-National

Sun 26/10

6:00 a.m.-7:45 a.m.

Nonstop1h 45m

C$ 342

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

7:00 a.m.-1:38 p.m.

1 stop6h 38m

Washington, D.C. Dulles Intl

Sun 26/10

9:45 a.m.-11:38 a.m.

Nonstop1h 53m

C$ 352

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

10:45 a.m.-3:06 p.m.

1 stop4h 21m

Washington, D.C. Dulles Intl

Mon 6/10

4:20 p.m.-10:15 p.m.

1 stop5h 55m

C$ 363

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

10:45 a.m.-3:06 p.m.

1 stop4h 21m

Washington, D.C. Dulles Intl

Mon 29/9

4:20 p.m.-8:10 p.m.

1 stop3h 50m

C$ 370

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 20/11

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

1 stop3h 39m

Washington, D.C. Dulles Intl

Sun 23/11

11:40 a.m.-5:45 p.m.

1 stop6h 05m

C$ 370

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

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

Nonstop1h 54m

Washington, D.C. Dulles Intl

Tue 25/11

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

Nonstop1h 45m

C$ 370

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

8:00 p.m.-9:56 p.m.

Nonstop1h 56m

Washington, D.C. Reagan-National

Sun 14/12

11:05 a.m.-12:46 p.m.

Nonstop1h 41m

C$ 370

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Sat 22/11

8:00 p.m.-9:56 p.m.

Nonstop1h 56m

Washington, D.C. Reagan-National

Sat 29/11

6:00 a.m.-7:45 a.m.

Nonstop1h 45m

C$ 371

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 24/9

7:00 a.m.-4:27 p.m.

2 stops9h 27m

Washington, D.C. Dulles Intl

Mon 29/9

3:31 p.m.-11:56 p.m.

1 stop8h 25m

C$ 378

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 23/9

6:00 a.m.-2:33 p.m.

2 stops8h 33m

Washington, D.C. Dulles Intl

Wed 1/10

10:07 a.m.-5:50 p.m.

1 stop7h 43m

C$ 378

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 60 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Pierre Elliott Trudeau Intl with our price prediction graph.
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.

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

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Washington, D.C.. Price data was last updated on 29 August 2025.

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 50 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.?

Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. (average of C$ 256). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. in October is currently the most expensive (average of C$ 352). 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 WAS?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

When flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 27% versus a flight in the evening.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Washington, D.C.. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C.

Explore weekly flight availability from Pierre Elliott Trudeau Intl to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 September 2025.

The most flights from YUL to WAS are scheduled on a Wednesday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

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

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C.?

Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YTZ) – chosen by Cheapflights users on 94% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C.?

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 408.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C.?

Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via New York (LGA) have the shortest average one-way travel time for 1-stop routes: 4h 03m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C.?

Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via New York (LGA) offer the fastest connection on this route, with an average layover time of 1h 19m.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 11 September 2025.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C., such as Porter Airlines,United Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C.?

    Air Canada, Porter Airlines, and Delta can get you from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. in just under 3h 53m. Your travel time can differ by up to 4h 32m. Airlines will cover a distance of 782 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. round-trip from C$ 303. Other airlines that can offer you cheap pricing are Air Canada, from C$ 327, and United Airlines, from C$ 364. Users have found that Porter Airlines is 36% cheaper than the other options available to this destination.

  • What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C.?

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

    Consider Sun Country Air (100%), Avianca (87%) or Copa Airlines (86%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C..

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

    On average you can expect to pay C$ 699 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C.. The cheapest flight overall is C$ 214 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Reagan-National) is currently priced at C$ 356.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Washington, D.C.?

    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 Washington, D.C..

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Washington, D.C. 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.?

    Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. (average of C$ 256). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. in October is currently the most expensive (average of C$ 352). 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.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Herndon
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Alexandria
Manassas
Fredericksburg
Rockville

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Alternative routes for Pierre Elliott Trudeau Intl to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Pierre Elliott Trudeau Intl to Washington, D.C.

Discover the top 5 airlines that operate flights from Pierre Elliott Trudeau Intl to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 212AverageC$ 398FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 303AverageC$ 399FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 327AverageC$ 477FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 364AverageC$ 549FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 458AverageC$ 616FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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