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Montreal

$170+ Cheap flights from Washington to Montreal (YMQ)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YMQ
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap flight deals from Washington to Montreal

Cheapest flights from Washington to Montreal
Explore the most affordable flight options available from Washington to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.

This CheapOair deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Sat 10/106:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/8$383
This Booking.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Mon 9/148:00 pm
YUL
-
SEA
1 stop25h 45m
WestJet
Deal found 6/8$400
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Sun 10/46:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/8$401
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Thu 10/16:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/8$403
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Wed 9/306:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/8$404
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Mon 10/56:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/8$409
This Booking.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:30 pm
PDX
-
YUL
2 stops12h 40m
Air Canada
Thu 9/248:00 am
YUL
-
PDX
2 stops9h 51m
Air Canada
Deal found 6/4$410
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Sun 10/46:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/8$412
This Booking.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Tue 7/286:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/7$413
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Thu 10/16:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/8$414
This Booking.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:45 pm
PDX
-
YUL
1 stop7h 30m
Air Canada
Fri 8/287:30 am
YUL
-
PDX
1 stop10h 21m
Air Canada
Deal found 6/5$414
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Mon 10/56:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/8$420

Find flight deals from Washington to Montreal

Keep the following information in mind while searching for Washington to Montreal flight deals. Data was last updated June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$383
(CheapOair)

One-way from

$170
(Air Canada)

Popular in

December

Cheapest in

March

Average price

$679

Good round-trip deal

$3,219 or less

Good one-way deal

$279 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Montreal (YMQ) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Montreal (YMQ) flights.
Search Deals
From Washington to Montreal (YMQ)
Search Deals
One-way flight from Washington to Montreal (YMQ)
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Washington to Montreal (YMQ).
Search Deals
Price to beat on a one-way flight from Washington to Montreal (YMQ).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Montreal 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 2,558,603 searches. Data last updated June 9, 2026.
Use the filters below to find and compare flights from Washington to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Mon 8/3

11:30 pm-2:40 pm

1 stop12h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 9/1

9:45 am-3:56 pm

1 stop9h 11m

$458

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Thu 8/27

1:03 pm-8:16 am

1 stop16h 13m

Montreal Pierre Elliott Trudeau Intl

Mon 8/31

6:00 am-10:03 pm

1 stop19h 03m

$458
Quickest round-trip

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 9/29

6:00 am-4:19 pm

1 stop7h 19m

Montreal Pierre Elliott Trudeau Intl

Wed 9/30

5:10 pm-10:02 pm

1 stop7h 52m

$473

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 9/23

9:10 am-11:57 pm

1 stop11h 47m

Montreal Pierre Elliott Trudeau Intl

Wed 9/30

5:10 pm-10:02 pm

1 stop7h 52m

$473

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 9/23

9:10 am-11:57 pm

1 stop11h 47m

Montreal Pierre Elliott Trudeau Intl

Sat 9/26

7:00 am-12:58 pm

1 stop8h 58m

$473

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 11/18

10:55 pm-12:15 pm

1 stop10h 20m

Montreal Pierre Elliott Trudeau Intl

Sat 11/21

12:45 pm-9:53 pm

1 stop12h 08m

$475

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 9/23

11:00 pm-10:40 am

1 stop8h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 10/5

2:20 pm-8:37 pm

1 stop9h 17m

$478

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 9/28

7:00 am-5:30 pm

1 stop7h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 10/5

6:35 pm-1:15 am

1 stop9h 40m

$478

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sun 9/27

11:13 pm-10:40 am

1 stop8h 27m

Montreal Pierre Elliott Trudeau Intl

Mon 10/5

6:35 pm-1:15 am

1 stop9h 40m

$478

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sat 9/26

5:00 am-3:29 pm

1 stop7h 29m

Montreal Pierre Elliott Trudeau Intl

Mon 10/5

4:30 pm-10:59 pm

1 stop9h 29m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington to Montreal

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

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

Currently, May is the cheapest month in which you can book a flight from State of Washington to Montreal (average of $151). Flying from State of Washington to Montreal in April is currently the most expensive (average of $428). 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 State of Washington to Montreal?

How far ahead should I book a flight from State of Washington to Montreal?

The best time to book flights from State of Washington to Montreal is 72 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.

Related info for your journey

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

    Airlines like United Airlines and Delta fly from State of Washington to Montreal in about 7h 19m. The time it takes to get you to your destination can typically vary by up to 4h 51m. State of Washington and Montreal are separated by a distance of 2276 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from State of Washington to Montreal one-way?

    $141 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $165 and $179, respectively.

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

    The most popular flight routes from State of Washington to Montreal are Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl, Portland - Montreal Pierre Elliott Trudeau Intl and Pasco Tri Cities - Montreal Pierre Elliott Trudeau Intl.

  • What are the cheapest flights from State of Washington to Montreal?

    While on average a flight from State of Washington to Montreal is generally $2,036, our data shows the cheapest flight currently is $257. When looking at the most popular route, (Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $412 for that flight.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from State of Washington to Montreal (average of $151). Flying from State of Washington to Montreal in April is currently the most expensive (average of $428). 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

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Alternative routes for Washington to Montreal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Washington to Montreal

Discover the top 4 airlines that operate flights from Washington to Montreal. 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 2,558,603 searches. Data last updated June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$265Average$600FlexibilityNo cancel feeOn-time69%
WestJetCheapest$281Average$369FlexibilityNo cancel feeOn-time60%
DeltaCheapest$296Average$634FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$335Average$710FlexibilityNo cancel feeOn-time67%

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