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Cheap flights from Washington to Montreal from C$ 157

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 9/5. 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
7:35 p.m. - 7:00 a.m.
SEA
-
YUL
8h 25m
1 stop
WestJet Logo
8:00 p.m. - 9:40 a.m.
YUL
-
SEA
16h 40m
1 stop
C$ 385WestJet
Mon, 27 Apr - Sun, 3 May
WestJet Logo
7:35 p.m. - 7:00 a.m.
SEA
-
YUL
8h 25m
1 stop
WestJet Logo
7:15 a.m. - 6:45 p.m.
YUL
-
SEA
14h 30m
1 stop
C$ 396WestJet
Fri, 8 May - Mon, 11 May
Air Canada Logo
3:15 p.m. - 7:13 a.m.
PDX
-
YUL
12h 58m
2 stops
Air Canada Logo
9:20 a.m. - 9:10 a.m.
YUL
-
PDX
26h 50m
2 stops
C$ 528Air Canada
Sat, 28 Mar - Sat, 4 Apr
Air Canada Logo
9:50 a.m. - 9:00 p.m.
PDX
-
YUL
8h 10m
1 stop
Air Canada Logo
6:20 p.m. - 9:15 a.m.
YUL
-
PDX
17h 55m
1 stop
C$ 533Air Canada
Mon, 2 Mar - Mon, 9 Mar
American Airlines Logo
11:59 p.m. - 2:58 p.m.
PDX
-
YUL
11h 59m
1 stop
American Airlines Logo
12:30 p.m. - 10:42 p.m.
YUL
-
PDX
13h 12m
1 stop
C$ 539American Airlines
Tue, 31 Mar - Tue, 7 Apr
United Airlines Logo
7:14 p.m. - 1:09 p.m.
PDX
-
YUL
14h 55m
2 stops
United Airlines Logo
4:55 p.m. - 10:29 p.m.
YUL
-
PDX
8h 34m
1 stop
C$ 540United Airlines
Mon, 20 Apr - Tue, 21 Apr
United Airlines Logo
4:00 p.m. - 2:00 p.m.
PDX
-
YUL
19h 00m
2 stops
United Airlines Logo
4:45 p.m. - 10:45 p.m.
YUL
-
PDX
9h 00m
1 stop
C$ 541United Airlines
Mon, 2 Mar - Mon, 9 Mar
American Airlines Logo
9:44 p.m. - 1:45 p.m.
PDX
-
YUL
13h 01m
1 stop
American Airlines Logo
3:45 p.m. - 10:48 a.m.
YUL
-
PDX
22h 03m
1 stop
C$ 554American Airlines
Mon, 2 Mar - Mon, 9 Mar
Delta Logo
5:00 p.m. - 4:01 p.m.
PSC
-
YUL
20h 01m
2 stops
Delta Logo
7:00 a.m. - 5:01 p.m.
YUL
-
PSC
13h 01m
2 stops
C$ 1,005Delta
Fri, 12 Jun - Sat, 20 Jun
Delta Logo
5:00 p.m. - 11:44 a.m.
PSC
-
YUL
15h 44m
2 stops
Delta Logo
7:00 a.m. - 6:56 p.m.
YUL
-
PSC
14h 56m
2 stops
C$ 1,024Delta
Sat, 13 Jun - Sat, 20 Jun

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 Apr
SEA7:35 p.m.Seattle/Tacoma Intl
8h 25m
1 stop
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
3 May
YUL8:00 p.m.Montreal Pierre Elliott Trudeau Intl
16h 40m
1 stop
SEA9:40 a.m.Seattle/Tacoma Intl
C$ 385
WestJet
8 May
SEA7:35 p.m.Seattle/Tacoma Intl
8h 25m
1 stop
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
11 May
YUL7:15 a.m.Montreal Pierre Elliott Trudeau Intl
14h 30m
1 stop
SEA6:45 p.m.Seattle/Tacoma Intl
C$ 396
WestJet
23 Mar
SEA3:10 p.m.Seattle/Tacoma Intl
12h 55m
1 stop
YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl
30 Mar
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
34h 34m
2 stops
SEA2:19 p.m.Seattle/Tacoma Intl
C$ 431

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
31 Mar
PDX11:59 p.m.Portland
11h 59m
1 stop
YUL2:58 p.m.Montreal Pierre Elliott Trudeau Intl
7 Apr
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
13h 12m
1 stop
PDX10:42 p.m.Portland
C$ 539
American Airlines
2 Mar
PDX9:44 p.m.Portland
13h 01m
1 stop
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
9 Mar
YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl
22h 03m
1 stop
PDX10:48 a.m.Portland
C$ 554
American Airlines
2 Mar
PDX11:40 p.m.Portland
11h 05m
2 stops
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
9 Mar
YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl
22h 03m
1 stop
PDX10:48 a.m.Portland
C$ 567

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 9 February 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

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 27/4

7:35 p.m.-7:00 a.m.

1 stop8h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

8:00 p.m.-9:40 a.m.

1 stop16h 40m

C$ 385

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Fri 8/5

7:35 p.m.-7:00 a.m.

1 stop8h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

7:15 a.m.-6:45 p.m.

1 stop14h 30m

C$ 396

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sat 28/3

3:15 p.m.-7:13 a.m.

2 stops12h 58m

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

9:20 a.m.-9:10 a.m.

2 stops26h 50m

C$ 528

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Mon 2/3

9:50 a.m.-9:00 p.m.

1 stop8h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

6:20 p.m.-9:15 a.m.

1 stop17h 55m

C$ 533

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Tue 31/3

11:59 p.m.-2:58 p.m.

1 stop11h 59m

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

12:30 p.m.-10:42 p.m.

1 stop13h 12m

C$ 539

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Mon 20/4

7:14 p.m.-1:09 p.m.

2 stops14h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

4:55 p.m.-10:29 p.m.

1 stop8h 34m

C$ 540

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Mon 2/3

4:00 p.m.-2:00 p.m.

2 stops19h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

4:45 p.m.-10:45 p.m.

1 stop9h 00m

C$ 541

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Mon 2/3

9:44 p.m.-1:45 p.m.

1 stop13h 01m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

3:45 p.m.-10:48 a.m.

1 stop22h 03m

C$ 554

PascoMontreal

PSC - YUL

PSCYUL

Pasco Tri Cities

Fri 12/6

5:00 p.m.-4:01 p.m.

2 stops20h 01m

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

7:00 a.m.-5:01 p.m.

2 stops13h 01m

C$ 1,005

PascoMontreal

PSC - YUL

PSCYUL

Pasco Tri Cities

Sat 13/6

5:00 p.m.-11:44 a.m.

2 stops15h 44m

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

7:00 a.m.-6:56 p.m.

2 stops14h 56m

C$ 1,024

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$ 506. 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$ 612.

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$ 658. 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$ 1,361.

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$ 873 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$ 379 on momondo.

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

There is only 1 cabin class 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 57% 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 07m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun
The fastest flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport takes 5h 07m
Direct flights go from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport on Monday, Tuesday, Wednesday, Friday, 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
Trois-Rivières
Montebello
Sherbrooke
Brossard
Longueuil
Cornwall
Dorval
Boucherville
North Hatley
Magog
Saint-Sauveur
Drummondville
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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