Find flights
When to book
Airlines
FAQs

Cheap flights from Montreal to Washington from C$ 249

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SEA
19 May — 26 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Washington

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Washington
Explore the most affordable flight options available from Montreal to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 April 2026.

Thu 1/106:35 p.m.
YUL
-
PDX
1 stop9h 24m
United Airlines
Wed 7/107:15 p.m.
PDX
-
YUL
1 stop10h 01m
United Airlines
Deal found 19/4C$ 416
Wed 30/97:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Wed 7/102:30 p.m.
PDX
-
YUL
1 stop30h 15m
WestJet
Deal found 19/4C$ 419
Wed 22/76:35 p.m.
YUL
-
PDX
1 stop9h 15m
United Airlines
Tue 4/810:40 p.m.
PDX
-
YUL
1 stop9h 00m
United Airlines
Deal found 18/4C$ 420
Sun 6/99:15 a.m.
YUL
-
PDX
2 stops16h 37m
United Airlines
Sat 12/93:43 p.m.
PDX
-
YUL
2 stops15h 57m
United Airlines
Deal found 19/4C$ 424
Sun 3/56:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Mon 11/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 15/4C$ 427
Sat 2/53:25 p.m.
YUL
-
PDX
1 stop8h 41m
United Airlines
Fri 8/511:55 p.m.
PDX
-
YUL
1 stop7h 45m
United Airlines
Deal found 18/4C$ 438
Tue 2/612:49 p.m.
YUL
-
PDX
1 stop12h 13m
Delta
Thu 4/611:58 a.m.
PDX
-
YUL
1 stop8h 43m
Delta
Deal found 19/4C$ 439
Tue 9/66:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Mon 15/67:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 15/4C$ 446
Wed 3/66:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Sat 13/67:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 14/4C$ 452
Mon 4/58:00 p.m.
YUL
-
SEA
1 stop25h 45m
WestJet
Mon 11/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 16/4C$ 454
Mon 11/58:00 p.m.
YUL
-
SEA
1 stop16h 40m
WestJet
Fri 15/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 18/4C$ 456
Sat 2/57:15 a.m.
YUL
-
SEA
1 stop14h 30m
WestJet
Mon 11/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 18/4C$ 459

Find flight deals from Montreal to Washington

Keep the following information in mind while searching for Montreal to Washington flight deals. Data was last updated 19 April 2026.

Round-trip from

C$ 416

One-way from

C$ 249

Popular in

April

Cheapest in

March

Average price

C$ 1,326
United Airlines
  • United Airlines
  • 1/10-7/10
  • 2 total stops
  • 19h 25m total
  • Montreal to Washington
Search Deals
WestJet
  • WestJet
  • 7/10
  • 1 total stop
  • 9h 35m total
  • Montreal to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Washington 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 19 April 2026.
Use the filters below to find and compare flights from Montreal to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

6:35 p.m.-12:50 a.m.

1 stop9h 15m

Portland

Tue 4/8

10:40 p.m.-10:40 a.m.

1 stop9h 00m

C$ 420

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

12:49 p.m.-10:02 p.m.

1 stop12h 13m

Portland

Thu 4/6

11:58 a.m.-11:41 p.m.

1 stop8h 43m

C$ 439

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

12:55 p.m.-9:42 p.m.

1 stop11h 47m

Portland

Fri 8/5

11:12 p.m.-1:39 p.m.

2 stops11h 27m

C$ 439

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 5/8

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

2 stops15h 00m

Seattle/Tacoma Intl

Mon 10/8

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 464

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

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

2 stops15h 00m

Seattle/Tacoma Intl

Thu 17/9

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 464

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

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

2 stops15h 00m

Seattle/Tacoma Intl

Tue 14/7

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 464

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

3:25 p.m.-9:06 p.m.

1 stop8h 41m

Portland

Mon 4/5

11:55 p.m.-5:30 p.m.

1 stop14h 35m

C$ 467

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

12:42 p.m.-11:53 p.m.

2 stops14h 11m

Portland

Tue 5/5

12:30 a.m.-5:40 p.m.

2 stops14h 10m

C$ 467

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

11:23 a.m.-9:09 p.m.

2 stops12h 46m

Portland

Sat 27/6

10:40 p.m.-5:30 p.m.

1 stop15h 50m

C$ 467

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

11:23 a.m.-10:55 p.m.

2 stops14h 32m

Portland

Tue 30/6

11:40 p.m.-5:30 p.m.

1 stop14h 50m

C$ 467

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/4

Showing 1-10 of 48 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Montreal to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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

What is the cheapest month to book a flight from Montreal to State of Washington?

Currently, June is the cheapest month in which you can book a flight from Montreal to State of Washington (average of C$ 227). Flying from Montreal to State of Washington in February is currently the most expensive (average of C$ 441). 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.

How much does it cost to fly round-trip from Montreal to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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. Reviews last updated 19 April 2026.
Check out reviews from past customers who have flown with United Airlines,WestJet, andAir Canada from Montreal to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,603 reviews
Check prices

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,603 reviews
United Airlines
7.4
Good
9,603 reviews
Check prices

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
WestJet
7.2
Good
3,322 reviews
United Airlines
7.4
Good
9,603 reviews
Check prices

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Air Canada
7.1
Good
10,939 reviews
United Airlines
7.4
Good
9,603 reviews
Check prices

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Montreal to Washington. 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 to State of Washington?

    Departing from Montreal to State of Washington will take you 9h 15m. Montreal and State of Washington are separated by a distance of 3742 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Montreal to State of Washington?

    When deciding which route to take from Montreal to State of Washington consider Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl, Montreal Pierre Elliott Trudeau Intl - Portland or Montreal Pierre Elliott Trudeau Intl - Pasco Tri Cities as they are the most popular.

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

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

  • How can I find direct flights from Montreal to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Washington.

  • Can I find deals for business class flights from Montreal to Washington?

    Yes. Cheapflights offers flight deals from Montreal to Washington 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 State of Washington?

    Currently, June is the cheapest month in which you can book a flight from Montreal to State of Washington (average of C$ 227). Flying from Montreal to State of Washington in February is currently the most expensive (average of C$ 441). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montreal to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Miami flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Newark flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Orlando flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Tampa flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Nashville flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Ottawa to Newark flights
Pierre Elliott Trudeau Intl to Atlanta flights
Pierre Elliott Trudeau Intl to Midway flights
Québec City to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Hobby flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to West Palm Beach flights
Québec City to Orlando flights
Pierre Elliott Trudeau Intl to Boston flights
Québec City to Newark flights
Ottawa to LaGuardia flights
Ottawa to John F Kennedy Intl flights
Ottawa to Nashville flights
Ottawa to Las Vegas flights
Pierre Elliott Trudeau Intl to San Diego flights
Ottawa to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Baltimore flights
Québec City to Las Vegas flights
Pierre Elliott Trudeau Intl to Minneapolis flights
Ottawa to Orlando flights
Pierre Elliott Trudeau Intl to Seattle flights
Ottawa to Dulles Intl flights
Pierre Elliott Trudeau Intl to Charlotte flights
Ottawa to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to Ontario flights
Pierre Elliott Trudeau Intl to Austin flights
Ottawa to Reagan-National flights
Pierre Elliott Trudeau Intl to Raleigh flights
Ottawa to Boston flights
Pierre Elliott Trudeau Intl to Denver flights
Pierre Elliott Trudeau Intl to Detroit flights
Ottawa to Los Angeles flights
Québec City to O'Hare Intl flights

Top 5 airlines flying from Montreal to Washington

Discover the top 5 airlines that operate flights from Montreal to Washington. 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 19 April 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 256AverageC$ 555FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 278AverageC$ 659FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 397AverageC$ 524FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 461AverageC$ 713FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 504AverageC$ 680FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to Washington?

Cheapflights makes it easy to find Montreal to Washington flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Washington?

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 from Montreal.

Can Cheapflights find flights from Montreal to Washington with no change fees?

Need flexible booking options for your flight to Washington from Montreal? 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 Montreal to Washington 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.