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Cheap flights from Washington to Montreal from C$ 158

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 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
3:10 p.m. - 3:13 p.m.
SEA
-
YUL
21h 03m1 stop
WestJet Logo
6:45 a.m. - 1:08 p.m.
YUL
-
SEA
9h 23m1 stop
C$ 343WestJet
Thu, 16 Apr - Mon, 27 Apr
WestJet Logo
3:10 p.m. - 3:13 p.m.
SEA
-
YUL
21h 03m1 stop
WestJet Logo
6:45 a.m. - 1:08 p.m.
YUL
-
SEA
9h 23m1 stop
C$ 352WestJet
Thu, 16 Apr - Tue, 28 Apr
WestJet Logo
3:10 p.m. - 3:13 p.m.
SEA
-
YUL
21h 03m1 stop
WestJet Logo
6:45 a.m. - 1:08 p.m.
YUL
-
SEA
9h 23m1 stop
C$ 380WestJet
Sun, 19 Apr - Mon, 27 Apr
WestJet Logo
7:05 a.m. - 12:42 a.m.
SEA
-
YUL
14h 37m1 stop
WestJet Logo
6:45 a.m. - 8:28 p.m.
YUL
-
SEA
16h 43m1 stop
C$ 384WestJet
Sun, 3 May - Fri, 8 May
Multiple Airlines Logo
5:55 p.m. - 10:20 a.m.
SEA
-
YUL
13h 25m1 stop
Multiple Airlines Logo
7:30 p.m. - 2:19 p.m.
YUL
-
SEA
21h 49m1 stop
C$ 414Multiple Airlines
Sat, 14 Feb - Mon, 23 Feb
Air Canada Logo
9:50 a.m. - 8:55 p.m.
PDX
-
YUL
8h 05m1 stop
Air Canada Logo
7:30 a.m. - 2:40 p.m.
YUL
-
PDX
10h 10m1 stop
C$ 479Air Canada
Sun, 18 Jan - Sat, 24 Jan
Air Canada Logo
9:50 a.m. - 8:55 p.m.
PDX
-
YUL
8h 05m1 stop
Air Canada Logo
8:05 a.m. - 2:40 p.m.
YUL
-
PDX
9h 35m2 stops
C$ 480Air Canada
Sun, 18 Jan - Sat, 24 Jan
Lufthansa Logo
11:05 p.m. - 1:28 p.m.
PDX
-
YUL
11h 23m1 stop
Lufthansa Logo
3:00 p.m. - 9:49 p.m.
YUL
-
PDX
9h 49m1 stop
C$ 580Lufthansa
Sun, 18 Jan - Sat, 24 Jan
United Airlines Logo
10:47 a.m. - 9:17 p.m.
PDX
-
YUL
7h 30m1 stop
United Airlines Logo
9:15 a.m. - 6:10 p.m.
YUL
-
PDX
11h 55m2 stops
C$ 582United Airlines
Tue, 20 Jan - Tue, 27 Jan
United Airlines Logo
5:00 a.m. - 9:17 p.m.
PDX
-
YUL
13h 17m2 stops
United Airlines Logo
6:00 a.m. - 9:12 p.m.
YUL
-
PDX
18h 12m2 stops
C$ 589United Airlines
Tue, 20 Jan - Tue, 27 Jan

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

Our best American Airlines deals on State of Washington to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
American Airlines
30 Jan
PDX10:15 p.m.Portland
14h 05m
2 stops
YUL3:20 p.m.Montreal Pierre Elliott Trudeau Intl
6 Feb
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
16h 27m
2 stops
PDX8:27 p.m.Portland
C$ 596
Find similar
American Airlines
4 Feb
PDX10:15 p.m.Portland
21h 29m
1 stop
YUL10:44 p.m.Montreal Pierre Elliott Trudeau Intl
11 Feb
YUL3:50 p.m.Montreal Pierre Elliott Trudeau Intl
21h 59m
1 stop
PDX10:49 a.m.Portland
C$ 632
Find similar
American Airlines
4 Feb
PDX6:00 a.m.Portland
13h 59m
2 stops
YUL10:59 p.m.Montreal Pierre Elliott Trudeau Intl
11 Feb
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
15h 51m
2 stops
PDX7:51 p.m.Portland
C$ 640
Find similar

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
16 Apr
SEA3:10 p.m.Seattle/Tacoma Intl
21h 03m
1 stop
YUL3:13 p.m.Montreal Pierre Elliott Trudeau Intl
27 Apr
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
9h 23m
1 stop
SEA1:08 p.m.Seattle/Tacoma Intl
C$ 343
Find similar
WestJet
16 Apr
SEA3:10 p.m.Seattle/Tacoma Intl
21h 03m
1 stop
YUL3:13 p.m.Montreal Pierre Elliott Trudeau Intl
28 Apr
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
9h 23m
1 stop
SEA1:08 p.m.Seattle/Tacoma Intl
C$ 352
Find similar
WestJet
19 Apr
SEA3:10 p.m.Seattle/Tacoma Intl
21h 03m
1 stop
YUL3:13 p.m.Montreal Pierre Elliott Trudeau Intl
27 Apr
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
9h 23m
1 stop
SEA1:08 p.m.Seattle/Tacoma Intl
C$ 380
Find similar

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 23 December 2025.
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

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Thu 16/4

3:10 p.m.-3:13 p.m.

1 stop21h 03m

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

6:45 a.m.-1:08 p.m.

1 stop9h 23m

C$ 343

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Thu 16/4

3:10 p.m.-3:13 p.m.

1 stop21h 03m

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

6:45 a.m.-1:08 p.m.

1 stop9h 23m

C$ 352

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sun 19/4

3:10 p.m.-3:13 p.m.

1 stop21h 03m

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

6:45 a.m.-1:08 p.m.

1 stop9h 23m

C$ 380

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sun 3/5

7:05 a.m.-12:42 a.m.

1 stop14h 37m

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

6:45 a.m.-8:28 p.m.

1 stop16h 43m

C$ 384

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sat 14/2

5:55 p.m.-10:20 a.m.

1 stop13h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

7:30 p.m.-2:19 p.m.

1 stop21h 49m

C$ 414

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 18/1

9:50 a.m.-8:55 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

7:30 a.m.-2:40 p.m.

1 stop10h 10m

C$ 479

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 18/1

9:50 a.m.-8:55 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

8:05 a.m.-2:40 p.m.

2 stops9h 35m

C$ 480

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 18/1

11:05 p.m.-1:28 p.m.

1 stop11h 23m

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

3:00 p.m.-9:49 p.m.

1 stop9h 49m

C$ 580

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Tue 20/1

10:47 a.m.-9:17 p.m.

1 stop7h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 27/1

9:15 a.m.-6:10 p.m.

2 stops11h 55m

C$ 582

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Tue 20/1

5:00 a.m.-9:17 p.m.

2 stops13h 17m

Montreal Pierre Elliott Trudeau Intl

Tue 27/1

6:00 a.m.-9:12 p.m.

2 stops18h 12m

C$ 589

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$ 553. The month of June is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from State of Washington averaging around C$ 644.

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 Friday when prices can be found for as low as C$ 673. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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$ 1,371.

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 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$ 803 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$ 485 on momondo.

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

There are 2 cabin classes available to choose from on Washington to Montreal Pierre Elliott Trudeau Intl 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 68% 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

5h 22m

Direct flights

Mon, Tue, Wed, Sat and Sun
The fastest flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport takes 5h 22m
Direct flights go from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport on Monday, Tuesday, Wednesday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

  • 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
Montebello
Trois-Rivières
Sherbrooke
Brossard
Longueuil
Boucherville
Dorval
North Hatley
Cornwall
Drummondville
Magog
Saint-Sauveur
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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