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Cheap flights from Washington to Montreal from C$ 257

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Montreal departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
2:30 p.m. - 7:05 a.m.
PDX
-
YUL
13h 35m
1 stop
WestJet Logo
7:15 a.m. - 1:50 p.m.
YUL
-
PDX
9h 35m
1 stop
C$ 543WestJet
Sun, 27 Sep - Fri, 2 Oct
Multiple Airlines Logo
7:35 p.m. - 7:05 a.m.
SEA
-
YUL
8h 30m
1 stop
Multiple Airlines Logo
6:00 p.m. - 10:42 p.m.
YUL
-
SEA
7h 42m
1 stop
C$ 565Multiple Airlines
Tue, 13 Oct - Thu, 15 Oct
WestJet Logo
7:35 p.m. - 7:05 a.m.
SEA
-
YUL
8h 30m
1 stop
WestJet Logo
6:45 a.m. - 6:45 p.m.
YUL
-
SEA
15h 00m
2 stops
C$ 568WestJet
Tue, 22 Sep - Wed, 30 Sep
WestJet Logo
7:35 p.m. - 7:05 a.m.
SEA
-
YUL
8h 30m
1 stop
WestJet Logo
6:45 a.m. - 6:45 p.m.
YUL
-
SEA
15h 00m
2 stops
C$ 569WestJet
Wed, 23 Sep - Wed, 30 Sep
Air Canada Logo
3:00 p.m. - 7:10 a.m.
SEA
-
YUL
13h 10m
2 stops
Air Canada Logo
10:40 a.m. - 9:04 p.m.
YUL
-
SEA
13h 24m
2 stops
C$ 570Air Canada
Tue, 13 Oct - Thu, 15 Oct
WestJet Logo
2:30 p.m. - 7:05 a.m.
PDX
-
YUL
13h 35m
1 stop
WestJet Logo
7:15 a.m. - 1:50 p.m.
YUL
-
PDX
9h 35m
1 stop
C$ 570WestJet
Wed, 7 Oct - Sun, 11 Oct
Air Canada Logo
3:00 p.m. - 7:10 a.m.
SEA
-
YUL
13h 10m
2 stops
Air Canada Logo
2:10 p.m. - 9:04 p.m.
YUL
-
SEA
9h 54m
1 stop
C$ 573Air Canada
Tue, 13 Oct - Thu, 15 Oct
Air Canada Logo
7:45 p.m. - 11:51 a.m.
PDX
-
YUL
13h 06m
2 stops
Air Canada Logo
7:30 a.m. - 2:51 p.m.
YUL
-
PDX
10h 21m
1 stop
C$ 610Air Canada
Sun, 16 Aug - Tue, 25 Aug
United Airlines Logo
1:35 p.m. - 8:16 a.m.
PSC
-
YUL
15h 41m
1 stop
United Airlines Logo
9:45 a.m. - 8:37 p.m.
YUL
-
PSC
13h 52m
2 stops
C$ 1,094United Airlines
Mon, 31 Aug - Thu, 3 Sep
United Airlines Logo
5:15 a.m. - 10:40 a.m.
PSC
-
YUL
26h 25m
2 stops
United Airlines Logo
9:45 a.m. - 8:37 p.m.
YUL
-
PSC
13h 52m
2 stops
C$ 1,101United Airlines
Mon, 31 Aug - Thu, 3 Sep

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Air Canada flights from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on State of Washington to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
13 Oct
SEA3:00 p.m.Seattle/Tacoma Intl
13h 10m
2 stops
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
15 Oct
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
13h 24m
2 stops
SEA9:04 p.m.Seattle/Tacoma Intl
C$ 570
Air Canada
13 Oct
SEA3:00 p.m.Seattle/Tacoma Intl
13h 10m
2 stops
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
15 Oct
YUL2:10 p.m.Montreal Pierre Elliott Trudeau Intl
9h 54m
1 stop
SEA9:04 p.m.Seattle/Tacoma Intl
C$ 573
Air Canada
13 Aug
SEA3:00 p.m.Seattle/Tacoma Intl
13h 10m
2 stops
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
19 Aug
YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl
8h 12m
1 stop
SEA10:42 p.m.Seattle/Tacoma Intl
C$ 580

WestJet flights from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport

Our best WestJet deals on State of Washington to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
WestJet
27 Sep
PDX2:30 p.m.Portland
13h 35m
1 stop
YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl
2 Oct
YUL7:15 a.m.Montreal Pierre Elliott Trudeau Intl
9h 35m
1 stop
PDX1:50 p.m.Portland
C$ 543
WestJet
22 Sep
SEA7:35 p.m.Seattle/Tacoma Intl
8h 30m
1 stop
YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl
30 Sep
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
15h 00m
2 stops
SEA6:45 p.m.Seattle/Tacoma Intl
C$ 568
WestJet
23 Sep
SEA7:35 p.m.Seattle/Tacoma Intl
8h 30m
1 stop
YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl
30 Sep
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
15h 00m
2 stops
SEA6:45 p.m.Seattle/Tacoma Intl
C$ 569

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 27 June 2026.
Use the filters below to find and compare flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 27/9

2:30 p.m.-7:05 a.m.

1 stop13h 35m

Montreal Pierre Elliott Trudeau Intl

Fri 2/10

7:15 a.m.-1:50 p.m.

1 stop9h 35m

C$ 543
Quickest round-trip

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 13/10

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

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

6:00 p.m.-10:42 p.m.

1 stop7h 42m

C$ 565

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 22/9

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

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

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

2 stops15h 00m

C$ 568

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 23/9

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

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

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

2 stops15h 00m

C$ 569

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 13/10

3:00 p.m.-7:10 a.m.

2 stops13h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

10:40 a.m.-9:04 p.m.

2 stops13h 24m

C$ 570

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 7/10

2:30 p.m.-7:05 a.m.

1 stop13h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 11/10

7:15 a.m.-1:50 p.m.

1 stop9h 35m

C$ 570

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 13/10

3:00 p.m.-7:10 a.m.

2 stops13h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

2:10 p.m.-9:04 p.m.

1 stop9h 54m

C$ 573

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 16/8

7:45 p.m.-11:51 a.m.

2 stops13h 06m

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

7:30 a.m.-2:51 p.m.

1 stop10h 21m

C$ 610

PascoMontreal

PSC - YUL

PSCYUL

Pasco Tri Cities

Mon 31/8

1:35 p.m.-8:16 a.m.

1 stop15h 41m

Montreal Pierre Elliott Trudeau Intl

Thu 3/9

9:45 a.m.-8:37 p.m.

2 stops13h 52m

C$ 1,094

PascoMontreal

PSC - YUL

PSCYUL

Pasco Tri Cities

Mon 31/8

5:15 a.m.-10:40 a.m.

2 stops26h 25m

Montreal Pierre Elliott Trudeau Intl

Thu 3/9

9:45 a.m.-8:37 p.m.

2 stops13h 52m

C$ 1,101

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Montreal from

How to get the cheapest flight ticket from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of May is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from State of Washington, with most prices found around C$ 214. The month of September is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from State of Washington averaging around C$ 220.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Sunday when prices can be found for as low as C$ 912. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,709.

What is the cheapest Washington to Montreal Pierre Elliott Trudeau Intl flight route?

Fly from Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl for the best Washington - Montreal Pierre Elliott Trudeau Intl flight prices

How far in advance should I book a flight from Washington to Montreal Pierre Elliott Trudeau Intl Airport?

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around C$ 1,020 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from State of Washington for as low as C$ 389 on momondo.

What cabin class options are available on State of Washington to Montreal Pierre Elliott Trudeau Intl Airport flights?

There is only 1 cabin class available to choose from on State of Washington to Montreal Pierre Elliott Trudeau Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Montreal Pierre Elliott Trudeau Intl Airport flights?

You could potentially save up to 47% on your flight if you consider stops on a State of Washington to Montreal Pierre Elliott Trudeau Intl Airport flight.

Cheap State of Washington to Montreal Pierre Elliott Trudeau Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport

Fastest flight time

7h 21m

Direct flights

None
The fastest flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport takes 7h 21m
There are no direct flights from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport. There are no popular flight routes from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport.
Search flight deals

Frequently asked questions about flying from Washington to Montreal Pierre Elliott Trudeau Intl Airport

  • When did momondo last update prices for flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport refresh daily.

  • How old do you have to be to fly from Washington to Montreal Pierre Elliott Trudeau Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The necessary travel and health documents for your Montreal Pierre Elliott Trudeau Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport?

Travelling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Trois-Rivières
Sherbrooke
Brossard
Montebello
Dorval
Longueuil
Cornwall
Boucherville
North Hatley
Drummondville
Saint-Sauveur
Magog
Bromont
Saint-Jean-sur-Richelieu
Sutton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Montreal?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Montreal for you.

Can I find flights from Washington to Montreal with flexible booking policies on momondo?

Yes. All flights to Montreal from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Montreal?

momondo helps you find the best flight between Washington and Montreal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington to Montreal right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington to Montreal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Montreal and let you know when they change.

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