Cheap Flights from Montreal, QC to Seattle, WA from $270

One way Round trip

Adults

Children under 12

Infants under 2 without place

Economy

Business

First

done

Return flight: Seattle – Montreal

Page navigation

Price Calendar Cheap Flights Flights Schedule

On Cheapflightsplus.com you will find 30 connecting flights from Montreal to Seattle. You can compare airfare deals from 5 airlines and multiple travel sites from $270, book and save on cheap plane tickets and last minute offers. Also check out YMQ-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Montreal to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $270 (one-way), $463 (round-trip).

Direct flights

Check to choose departure date Check to choose departure date

Check prices for return flight

Find flights

Best Flights from Montreal to Seattle Today

Take a look at the list of non stop flights and flights with layovers from Montreal to Seattle with the lowest price of $270. Take a look at the list of flights with layovers from Montreal to Seattle from $270. There’re no direct flights. The fastest connecting flight – 8h 35m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $270 Find flight	06:45 Montreal Pierre Elliott Trudeau	18:34 Seattle Seattle-Tacoma Intl	14h 49m layover 7h 49m - Toronto	WestJet	WS579 AS973
from $304 Find flight	18:30 Montreal Pierre Elliott Trudeau	12:44+1 день Seattle Seattle-Tacoma Intl	21h 14m layover 14h 43m - Edmonton	WestJet	WS549 AS2106
from $352 Find flight	10:00 Montreal Pierre Elliott Trudeau	18:34 Seattle Seattle-Tacoma Intl	11h 34m layover 4h 40m - Toronto	Porter Airlines	PD118 AS973
from $355 Find flight	16:45 Montreal Pierre Elliott Trudeau	14:34+1 день Seattle Seattle-Tacoma Intl	24h 49m layover 17h 53m - Calgary	WestJet	WS213 WS3612
from $357 Find flight	08:55 Montreal Pierre Elliott Trudeau	18:34 Seattle Seattle-Tacoma Intl	12h 39m layover 5h 50m - Toronto	Porter Airlines	PD2458 AS973
from $357 Find flight	20:50 Montreal Pierre Elliott Trudeau	18:34+1 день Seattle Seattle-Tacoma Intl	24h 44m layover 17h 55m - Toronto	Porter Airlines	PD2462 AS973
from $408 Find flight	20:00 Montreal Pierre Elliott Trudeau	18:34+1 день Seattle Seattle-Tacoma Intl	25h 34m layover 18h 39m - Toronto	Porter Airlines	PD132 AS973
from $416 Find flight	08:05 Montreal Pierre Elliott Trudeau	13:54 Seattle Seattle-Tacoma Intl	8h 49m layover 1h 15m - Denver	United Airlines	UA8523 UA690
from $416 Find flight	16:45 Montreal Pierre Elliott Trudeau	22:42 Seattle Seattle-Tacoma Intl	8h 57m layover 1h 14m - Chicago	United Airlines	UA3595 UA2211
from $288 Find flight	06:45 Montreal Pierre Elliott Trudeau	23:10 Seattle Seattle-Tacoma Intl	19h 25m layover 1h 19m - Toronto 8h 10m - Los Angeles	Porter Airlines	PD102 PD663 NK804
from $288 Find flight	14:35 Montreal Pierre Elliott Trudeau	23:10+1 день Seattle Seattle-Tacoma Intl	35h 35m layover 1h 24m - Toronto 24h 10m - Los Angeles	Porter Airlines	PD124 PD665 NK804
from $361 Find flight	10:45 Montreal Pierre Elliott Trudeau	20:55 Seattle Seattle-Tacoma Intl	13h 10m layover 1h 50m - Toronto 2h 7m - Newark	Porter Airlines	PD2464 PD2135 AS477
from $361 Find flight	08:55 Montreal Pierre Elliott Trudeau	20:55 Seattle Seattle-Tacoma Intl	15h 0m layover 1h 35m - Toronto 4h 12m - Newark	Porter Airlines	PD2458 PD2131 AS477
from $391 Find flight	08:55 Montreal Pierre Elliott Trudeau	20:58 Seattle Seattle-Tacoma Intl	15h 3m layover 1h 35m - Toronto 4h 4m - New York	Porter Airlines	PD2458 PD2131 AS17
from $403 Find flight	18:30 Montreal Pierre Elliott Trudeau	07:01+1 день Seattle Seattle-Tacoma Intl	15h 31m layover 1h 57m - Edmonton 6h 5m - Victoria	WestJet	WS549 WS341 AS3311
from $403 Find flight	18:10 Montreal Pierre Elliott Trudeau	10:00+1 день Seattle Seattle-Tacoma Intl	18h 50m layover 2h 35m - Calgary 9h 7m - Kelowna	Porter Airlines	PD389 WS279 WS3750

Show all tickets

*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on March 01, 2025

Flight Schedule Montreal (Quebec) to Seattle (Washington)

Full flight schedule will help you in detecting at what time planes fly from Montreal to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
06:45 — 18:34	06:45 — 08:24 WS579 WestJet Montreal — Toronto 7h 49m stop 16:20 — 18:40 AS973 Alaska Airlines Toronto — Seattle	14h 49m including layover	Find flight from$270
08:55 — 18:34	09:00 — 10:25 PD2458 Porter Airlines Montreal — Toronto 5h 50m stop 16:20 — 18:39 AS973 Alaska Airlines Toronto — Seattle	12h 39m including layover	Find flight from$357
09:00 — 14:55	09:00 — 11:34 AC303 Air Canada Montreal — Vancouver 2h 14m stop 13:48 — 14:55 AS3418 Alaska Airlines Vancouver — Seattle	8h 55m including layover	Find flight from$492
10:00 — 18:34	10:00 — 11:31 PD118 Porter Airlines Montreal — Toronto 4h 40m stop 16:20 — 18:40 AS973 Alaska Airlines Toronto — Seattle	11h 34m including layover	Find flight from$352
16:45 — 14:34 +1 day	16:45 — 19:44 WS213 WestJet Montreal — Calgary 17h 53m stop 13:30 — 14:38 WS3612 WestJet Calgary — Seattle	24h 49m including layover	Find flight from$355
16:45 — 22:42	16:45 — 18:50 UA3595 United Airlines Montreal — Chicago 1h 14m stop 20:04 — 22:53 UA2211 United Airlines Chicago — Seattle	8h 57m including layover	Find flight from$416
18:30 — 12:44 +1 day	18:30 — 21:13 WS549 WestJet Montreal — Edmonton 14h 43m stop 11:50 — 12:52 AS2106 Alaska Airlines Edmonton — Seattle	21h 14m including layover	Find flight from$304
20:00 — 18:34 +1 day	20:00 — 21:31 PD132 Porter Airlines Montreal — Toronto 18h 39m stop 16:20 — 18:39 AS973 Alaska Airlines Toronto — Seattle	25h 34m including layover	Find flight from$408
20:50 — 18:34 +1 day	20:50 — 22:15 PD2462 Porter Airlines Montreal — Toronto 17h 55m stop 16:20 — 18:40 AS973 Alaska Airlines Toronto — Seattle	24h 44m including layover	Find flight from$357
06:45 — 23:10	06:45 — 08:11 PD102 Porter Airlines Montreal — Toronto 1h 19m stop 09:30 — 12:12 PD663 Porter Airlines Toronto — Los Angeles 8h 10m stop 20:22 — 23:10 NK804 Spirit Airlines Los Angeles — Seattle	19h 25m including layover	Find flight from$288
08:55 — 20:55	08:55 — 10:20 PD2458 Porter Airlines Montreal — Toronto 1h 35m stop 11:55 — 13:25 PD2131 Porter Airlines Toronto — Newark 4h 12m stop 17:37 — 20:55 AS477 Alaska Airlines Newark — Seattle	15h including layover	Find flight from$361
10:45 — 20:55	10:45 — 12:10 PD2464 Porter Airlines Montreal — Toronto 1h 50m stop 14:00 — 15:30 PD2135 Porter Airlines Toronto — Newark 2h 7m stop 18:29 — 21:35 AS477 Alaska Airlines Newark — Seattle	13h 10m including layover	Find flight from$361
13:30 — 14:34 +1 day	13:30 — 15:34 WS327 WestJet Montreal — Winnipeg 2h 51m stop 18:25 — 19:40 WS739 WestJet Winnipeg — Calgary 17h 50m stop 13:30 — 14:34 WS3612 WestJet Calgary — Seattle	28h 4m including layover	Find flight from$500
13:30 — 14:34 +1 day	13:30 — 15:34 WS327 WestJet Montreal — Winnipeg 4h 51m stop 20:25 — 21:40 WS551 WestJet Winnipeg — Calgary 15h 50m stop 13:30 — 14:34 WS3612 WestJet Calgary — Seattle	28h 4m including layover	Find flight from$500
14:35 — 23:10 +1 day	14:35 — 16:06 PD124 Porter Airlines Montreal — Toronto 1h 24m stop 17:30 — 20:12 PD665 Porter Airlines Toronto — Los Angeles 24h 10m stop 20:22 — 23:10 NK804 Spirit Airlines Los Angeles — Seattle	35h 35m including layover	Find flight from$288
18:10 — 10:00 +1 day	18:10 — 21:05 PD389 Porter Airlines Montreal — Calgary 2h 35m stop 23:40 — 23:53 WS279 WestJet Calgary — Kelowna 9h 7m stop 09:00 — 10:00 WS3750 WestJet Kelowna — Seattle	18h 50m including layover	Find flight from$403
22:15 — 16:09 +1 day	22:15 — 23:50 AC431 Air Canada Montreal — Toronto 8h 5m stop 07:55 — 10:53 AC1043 Air Canada Toronto — Austin 2h 33m stop 13:26 — 16:09 AS505 Alaska Airlines Austin — Seattle	20h 54m including layover	Find flight from$753

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on March 1, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Montreal to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Montreal and Seattle is 3677 miles. Time difference between the cities is 3h. Airplanes depart 06:00 to 22:15 from 4 Montreal airports and arrive 06:00 to 22:15 to 3 Seattle airports. Average flight time is 16h 31m.

The fastest flight 8h 35m
Average flight time 16h 31m
The earliest flight 06:00
The latest flight 22:15
Distance 2285 ml

The cheapest months to travel to Seattle are december (from 270 $), february (from 288 $), january (from 304 $).

The most expensive months are november (from 409 $), january (from 304 $), february (from 288 $).

What is the lowest airfare Montreal to Seattle?

The cheapest plane ticket found by our users is $270. This airfare is for economy class on one-way WS579 flight by WestJet for February 21, 2025 which leaves Pierre Elliott Trudeau in Montreal at 06:45 am and arrives at Seattle Seattle-Tacoma Intl at 18:34.

Economy class

$270

Find

Business class

Find

First class

Find

Popular Airlines on the Route

The flight Montreal — Seattle is served by 5 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Air Canada - 3 departures per week at the price of from $ 492 . And the most expensive tickets are offered by United Airlines airline - from $ 986.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 30 flights with layovers on the route. The fastest connecting flight is UA8031 by United Airlines takes 8h 35m and the cheapest is WS579 by WestJet for $270.

AC - Air Canada

from $492

Find
PD - Porter Airlines

from $288

Find
WS - WestJet

from $270

Find
UA - United Airlines

from $416

Find
TS - Air Transat

from $428

Find

See more connecting flights

Airports

You can fly from Montreal to Seattle from 4 airports (St Lambert Rail Svce., Pierre Elliott Trudeau, Mirabel, St Hubert).

Montreal airports

St Lambert Rail Svce.-XLM

Find
Pierre Elliott Trudeau-YUL

from $270
Find
Mirabel-YMX

Find
St Hubert-YHU

Find

Seattle airports

Boeing Field International Airport-BFI

Find
Seattle-Tacoma Intl-SEA

Find
Kenmore Air Harbor SPB-LKE

Find

Airplanes

There are flights to Seattle from Montreal by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top International Destinations from Montreal

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Montreal — New York

from $73

Find
Montreal — Miami

from $60

Find
Montreal — Boston

from $68

Find
Montreal — Los Angeles

from $73

Find
Montreal — Las Vegas

from $56

Find
Montreal — Orlando

from $80

Find
Montreal — Chicago

from $75

Find
Montreal — San Francisco

from $77

Find
Montreal — Tampa

from $70

Find
Montreal — Washington D.C.

from $72

Find

How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.