Cheap flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport from C$ 161

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YUL
4 Aug — 11 Aug1
1 adult

Cheapflights Tip: The best prices from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl are usually found in March or November, booked 37 days in advance, depart on a Tuesday or Thursday and return on a Saturday

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Pierre Elliott Trudeau Intl (YUL). 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 30 July 2025.

Round-trip from

C$ 361

One-way from

C$ 161

Popular in

December

Cheapest in

March

Average price

C$ 561

Good round-trip deal

C$ 199 or less

Good one-way deal

C$ 199 or less
Porter Airlines
  • Porter Airlines
  • 13/9-20/9
  • 2 total stops
  • 8h 11m total
  • Washington, D.C. to Montreal
Porter Airlines
  • Porter Airlines
  • 10/8
  • 1 total stop
  • 4h 25m total
  • Washington, D.C. to Montreal
Highest demand for flights based on searches. 3% potential increase in price (C$ 26 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl.

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

Cheapest flights from Washington, D.C. to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Washington, D.C. to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Sat 13/94:20 p.m.IAD - YUL
1 stop3h 50mPorter Airlines
Sat 20/910:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Deal found 28/7C$ 361
Thu 11/910:20 a.m.IAD - YUL
1 stop11h 21mMultiple Airlines
Mon 15/910:45 a.m.YUL - IAD
1 stop4h 21mMultiple Airlines
Deal found 29/7C$ 363
Sat 4/106:59 a.m.DCA - YUL
2 stops8h 35mAir Canada
Sat 4/106:15 p.m.YUL - DCA
1 stop4h 19mAir Canada
Deal found 29/7C$ 363
Wed 3/99:35 a.m.IAD - YUL
Nonstop1h 53mAir Canada
Fri 12/97:10 p.m.YUL - IAD
Nonstop1h 55mAir Canada
Deal found 29/7C$ 370
Wed 27/86:00 a.m.DCA - YUL
1 stop4h 07mDelta
Wed 3/97:00 a.m.YUL - DCA
1 stop7h 50mDelta
Deal found 30/7C$ 403
Wed 27/89:00 a.m.DCA - YUL
1 stop4h 09mUnited Airlines
Wed 27/84:55 p.m.YUL - DCA
1 stop5h 48mUnited Airlines
Deal found 28/7C$ 419
Wed 15/106:45 a.m.BWI - YUL
1 stop8h 05mMultiple Airlines
Mon 20/107:40 p.m.YUL - BWI
3 stops27h 45mMultiple Airlines
Deal found 30/7C$ 452
Sat 30/86:25 p.m.DCA - YUL
1 stop5h 03mMultiple Airlines
Sun 31/88:30 a.m.YUL - DCA
Nonstop1h 48mMultiple Airlines
Deal found 28/7C$ 461
Sat 30/86:25 p.m.BWI - YUL
1 stop5h 03mDelta
Sun 31/87:00 a.m.YUL - BWI
1 stop5h 30mDelta
Deal found 30/7C$ 495
Thu 25/912:17 p.m.BWI - YUL
1 stop24h 21mSun Country Air
Sun 28/99:45 a.m.YUL - BWI
1 stop25h 35mSun Country Air
Deal found 28/7C$ 531
Tue 19/85:40 a.m.BWI - YUL
1 stop12h 10mWestJet
Mon 25/86:35 p.m.YUL - BWI
1 stop4h 42mWestJet
Deal found 29/7C$ 546

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Pierre Elliott Trudeau Intl 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 30 July 2025.
Use the filters below to find and compare flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 13/9

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

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

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

1 stop4h 21m

C$ 361

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 11/9

10:20 a.m.-9:41 p.m.

1 stop11h 21m

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

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

1 stop4h 21m

C$ 363

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 4/10

6:59 a.m.-3:34 p.m.

2 stops8h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

6:15 p.m.-10:34 p.m.

1 stop4h 19m

C$ 363

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 3/9

9:35 a.m.-11:28 a.m.

Nonstop1h 53m

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

7:10 p.m.-9:05 p.m.

Nonstop1h 55m

C$ 370

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 27/8

6:00 a.m.-10:07 a.m.

1 stop4h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

7:00 a.m.-2:50 p.m.

1 stop7h 50m

C$ 403

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 27/8

9:00 a.m.-1:09 p.m.

1 stop4h 09m

Montreal Pierre Elliott Trudeau Intl

Wed 27/8

4:55 p.m.-10:43 p.m.

1 stop5h 48m

C$ 419

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Wed 15/10

6:45 a.m.-2:50 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 20/10

7:40 p.m.-11:25 p.m.

3 stops27h 45m

C$ 452

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 30/8

6:25 p.m.-11:28 p.m.

1 stop5h 03m

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

8:30 a.m.-10:18 a.m.

Nonstop1h 48m

C$ 461

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Sat 30/8

6:25 p.m.-11:28 p.m.

1 stop5h 03m

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

7:00 a.m.-12:30 p.m.

1 stop5h 30m

C$ 495

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 25/9

12:17 p.m.-12:38 p.m.

1 stop24h 21m

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

9:45 a.m.-11:20 a.m.

1 stop25h 35m

C$ 531

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 27 results
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Best time to book a flight from Washington, D.C. to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Washington, D.C. 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 Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Pierre Elliott Trudeau Intl. Price data was last updated on 25 July 2025.

The price you pay for your flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 37 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 Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). 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 WAS to YUL?

Find hourly flight availability from Washington, D.C. to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2025.

One of the essential ways to save on airfare from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 9% on airfare.

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

Explore weekly flight availability from Washington, D.C. to Pierre Elliott Trudeau Intl. 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 30 July 2025.

The most flights from WAS to YUL are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

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

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated 30 July 2025.
Get a feel of what it's like to fly with Porter Airlines,Delta, andUnited Airlines from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
8.0
Very good

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Flying on Porter Airlines is currently your cheapest option to Montreal Pierre Elliott Trudeau Intl Airport, with prices starting at C$ 361. Additional round-trip tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at C$ 363 and C$ 403, respectively. Users have found that Porter Airlines is 32% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    C$ 161 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from C$ 161 and C$ 163, respectively.

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

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). 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 Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Sherbrooke
Cornwall
Brossard
Dorval
Montebello
Drummondville
Trois-Rivières
Saint-Jean-sur-Richelieu
Boucherville
Saint-Sauveur
Bromont
North Hatley
Louiseville

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

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

Top 3 airlines flying from Washington, D.C. to Pierre Elliott Trudeau Intl

Discover the top 3 airlines that operate flights from Washington, D.C. to Pierre Elliott Trudeau Intl. 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 30 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 178AverageC$ 512FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 326AverageC$ 449FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 471AverageC$ 745FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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How does Cheapflights help users find flights from Washington, D.C. to Pierre Elliott Trudeau Intl?

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Can Cheapflights find flights from Washington, D.C. to Pierre Elliott Trudeau Intl with no change fees?

Need flexible booking options for your flight to Pierre Elliott Trudeau Intl from Washington, D.C.? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Pierre Elliott Trudeau Intl become cheaper?

Of course! You can now track prices for flights from Washington, D.C. to Pierre Elliott Trudeau Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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