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Cheap flights from Montreal 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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — WAS
5 Apr — 12 Apr1
1 adult

Cheapflights Tip: The best prices from Montreal to Washington, D.C. are usually found in August or September, booked 44 days in advance, depart on a Thursday or Saturday and return on a Thursday

Cheap flight deals from Montreal to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) 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 31 March 2025.

Round-trip from

C$ 339

One-way from

C$ 205

Popular in

December

Cheapest in

August

Average price

C$ 518

Good round-trip deal

C$ 423 or less

Good one-way deal

C$ 245 or less
Porter Airlines
  • Porter Airlines
  • 22/4-25/4
  • 2 total stops
  • 8h 01m total
  • Montreal to Washington, D.C.
Porter Airlines
  • Porter Airlines
  • 21/4
  • 1 total stop
  • 6h 09m total
  • Montreal to Washington, D.C.
Highest demand for flights based on searches. 4% potential increase in price (C$ 36 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Montreal (YMQ) to Washington, D.C. (WAS).
Price to beat on a one-way flight from Montreal (YMQ) to Washington, D.C. (WAS).

Find flight deals from Montreal to Washington, D.C.

Cheapest flights from Montreal to Washington, D.C.
Explore the most affordable flight options available from Montreal to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Tue 22/46:40 p.m.YUL - IAD
1 stop3h 44mPorter Airlines
Fri 25/41:45 p.m.IAD - YUL
1 stop4h 17mPorter Airlines
Deal found 31/3C$ 339
Tue 29/41:15 p.m.YUL - IAD
Nonstop1h 58mAir Canada
Tue 6/59:45 a.m.IAD - YUL
Nonstop1h 55mAir Canada
Deal found 30/3C$ 349
Thu 22/58:00 p.m.YUL - DCA
Nonstop1h 53mUnited Airlines
Sun 25/56:00 a.m.DCA - YUL
Nonstop1h 48mUnited Airlines
Deal found 29/3C$ 361
Wed 14/58:15 a.m.YUL - DCA
1 stop3h 46mAir Canada
Wed 21/56:00 a.m.DCA - YUL
Nonstop1h 48mAir Canada
Deal found 30/3C$ 365
Tue 15/48:00 p.m.YUL - IAD
1 stop11h 27mUnited Airlines
Wed 16/43:55 p.m.IAD - YUL
Nonstop1h 55mUnited Airlines
Deal found 30/3C$ 372
Fri 23/58:00 p.m.YUL - DCA
Nonstop1h 53mMultiple Airlines
Mon 26/56:00 a.m.DCA - YUL
Nonstop1h 48mMultiple Airlines
Deal found 30/3C$ 394
Wed 7/56:05 a.m.YUL - IAD
2 stops8h 37mDelta
Sat 10/57:15 a.m.IAD - YUL
2 stops8h 49mDelta
Deal found 30/3C$ 402
Fri 23/512:44 p.m.YUL - DCA
1 stop8h 57mDelta
Mon 26/56:00 a.m.DCA - YUL
1 stop4h 05mDelta
Deal found 30/3C$ 402
Tue 15/44:50 p.m.YUL - BWI
1 stop6h 32mDelta
Sat 26/46:30 a.m.BWI - YUL
1 stop7h 26mDelta
Deal found 30/3C$ 408
Wed 23/44:50 p.m.YUL - BWI
1 stop6h 32mWestJet
Sat 26/46:00 a.m.BWI - YUL
1 stop5h 58mWestJet
Deal found 31/3C$ 437
Thu 22/52:20 p.m.YUL - IAD
Nonstop1h 59mMultiple Airlines
Sun 25/55:31 p.m.IAD - YUL
Nonstop2h 14mMultiple Airlines
Deal found 29/3C$ 447
Tue 15/410:45 a.m.YUL - BWI
3 stops31h 47mMultiple Airlines
Wed 16/49:32 p.m.BWI - YUL
1 stop17h 23mMultiple Airlines
Deal found 30/3C$ 451

Cheapflights Fare Finder

Customize your flight search to find flights from Montreal 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 31 March 2025.
Use the filters below to find and compare flights from Montreal to Washington, D.C. that are best for you.

Fly from

Montreal

Fly to

Washington, D.C.

Route

Depart

Return

Price

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 22/4

6:40 p.m.-10:24 p.m.

1 stop3h 44m

Washington, D.C. Dulles Intl

Fri 25/4

1:45 p.m.-6:02 p.m.

1 stop4h 17m

C$ 339

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 29/4

1:15 p.m.-3:13 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Tue 6/5

9:45 a.m.-11:40 a.m.

Nonstop1h 55m

C$ 349

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

8:00 p.m.-9:53 p.m.

Nonstop1h 53m

Washington, D.C. Reagan-National

Sun 25/5

6:00 a.m.-7:48 a.m.

Nonstop1h 48m

C$ 361

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Wed 14/5

8:15 a.m.-12:01 p.m.

1 stop3h 46m

Washington, D.C. Reagan-National

Wed 21/5

6:00 a.m.-7:48 a.m.

Nonstop1h 48m

C$ 365

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 15/4

8:00 p.m.-7:27 a.m.

1 stop11h 27m

Washington, D.C. Dulles Intl

Wed 16/4

3:55 p.m.-5:50 p.m.

Nonstop1h 55m

C$ 372

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 23/5

8:00 p.m.-9:53 p.m.

Nonstop1h 53m

Washington, D.C. Reagan-National

Mon 26/5

6:00 a.m.-7:48 a.m.

Nonstop1h 48m

C$ 394

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 7/5

6:05 a.m.-2:42 p.m.

2 stops8h 37m

Washington, D.C. Dulles Intl

Sat 10/5

7:15 a.m.-4:04 p.m.

2 stops8h 49m

C$ 402

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 23/5

5:05 p.m.-11:15 p.m.

1 stop6h 10m

Washington, D.C. Reagan-National

Mon 26/5

6:00 a.m.-10:05 a.m.

1 stop4h 05m

C$ 402

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Tue 15/4

4:50 p.m.-11:22 p.m.

1 stop6h 32m

Baltimore/Washington

Sat 26/4

6:30 a.m.-1:56 p.m.

1 stop7h 26m

C$ 408

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Wed 23/4

4:50 p.m.-11:22 p.m.

1 stop6h 32m

Baltimore/Washington

Sat 26/4

6:00 a.m.-11:58 a.m.

1 stop5h 58m

C$ 437

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/3

Showing 1-10 of 31 results
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Best time to book a flight from Montreal to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Montreal 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 to Washington, D.C.

How far ahead should I book a flight from Montreal to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Montreal to Washington, D.C.. Price data was last updated on 28 March 2025.

The best time to book flights from Montreal to Washington, D.C. is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Montreal to Washington, D.C.?

Currently, February is the cheapest month in which you can book a flight from Montreal to Washington, D.C. (average of C$ 327). Flying from Montreal to Washington, D.C. in June is currently the most expensive (average of C$ 411). 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 YMQ to WAS?

Find hourly flight availability from Montreal 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 31 March 2025.

It’s typically best to fly out from Montreal to Washington, D.C. in the afternoon. Doing so could potentially save you 12% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Montreal to Washington, D.C.?

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

Travelers seeking maximum savings on their Montreal to Washington, D.C. flight should consider departing on Thursday evenings 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 to Washington, D.C.

Explore weekly flight availability from Montreal 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 31 March 2025.

The most flights from YMQ to WAS are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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).

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 31 March 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines and United Airlines from Montreal to Washington, D.C. to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Montreal 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.
  • What are the cheapest airlines flying from Montreal to Washington, D.C. round-trip?

    Currently priced at C$ 339, Porter Airlines will fly you from Montreal to Washington, D.C. and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from C$ 349 and C$ 361, respectively. You may be able to fly from Montreal to Washington, D.C. for 31% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Montreal to Washington, D.C. one-way?

    The cheapest airlines for a one-way flight from Montreal to Washington, D.C. are Porter Airlines (C$ 205), Air Canada (C$ 212), and United Airlines (C$ 218).

  • What are the most popular routes from Montreal to Washington, D.C.?

  • Can I find deals for flights from Montreal to Washington, D.C. that include hotel bookings?

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

  • How can I find direct flights from Montreal 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 Montreal to Washington, D.C..

  • Can I find deals for business class flights from Montreal to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Montreal 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 to Washington, D.C.?

    Currently, February is the cheapest month in which you can book a flight from Montreal to Washington, D.C. (average of C$ 327). Flying from Montreal to Washington, D.C. in June is currently the most expensive (average of C$ 411). 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?

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Herndon
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Top 5 airlines flying from Montreal to Washington, D.C.

Discover the top 5 airlines that operate flights from Montreal 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 31 March 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 265AverageC$ 594FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 340AverageC$ 509FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 343AverageC$ 432FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 366AverageC$ 522FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 480AverageC$ 621FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Montreal to Washington, D.C.?

Cheapflights helps you search for flights from Montreal to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Montreal.

Can Cheapflights find flights from Montreal to Washington, D.C. with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Montreal to Washington, D.C., users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Montreal to Washington, D.C. become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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