Cheap Flights from Seattle, WA to Montreal, QC from $161

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On Cheapflightsplus.com you will find 2 direct and 998 connecting flights from Seattle to Montreal. You can compare airfare deals from 10 airlines and multiple travel sites from $161, book and save on cheap plane tickets and last minute offers. Also check out SEA-YMQ flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Montreal 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: $161 (one-way), $276 (round-trip).

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Best Flights from Seattle to Montreal Today

Take a look at the list of non stop flights and flights with layovers from Seattle to Montreal with the lowest price of $161. The fastest direct flight takes 5h 9m and the fastest connecting – 7h 11m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $332 Find flight	07:20 Seattle Seattle-Tacoma Intl	15:29 Montreal Pierre Elliott Trudeau	5h 9m	Air Canada	AC512
from $334 Find flight	07:20 Seattle Seattle-Tacoma Intl	15:29 Montreal Pierre Elliott Trudeau	5h 9m	United Airlines	UA8086
from $204 Find flight	13:55 Seattle Seattle-Tacoma Intl	10:40+1 день Montreal Pierre Elliott Trudeau	17h 45m layover 11h 1m - Chicago	United Airlines	UA1298 UA3536
from $206 Find flight	12:18 Seattle Seattle-Tacoma Intl	15:43+1 день Montreal Pierre Elliott Trudeau	24h 25m layover 16h 42m - Phoenix	Frontier Airlines	F91724 AC1276
from $161 Find flight	17:55 Seattle Seattle-Tacoma Intl	16:00+1 день Montreal Pierre Elliott Trudeau	19h 5m layover 9h 16m - Chicago 2h 48m - Toronto	Alaska Airlines	AS538 PD2388 PD2473
from $165 Find flight	15:11 Seattle Seattle-Tacoma Intl	19:57+1 день Montreal Pierre Elliott Trudeau	25h 46m layover 15h 59m - Las Vegas 1h 15m - Toronto	Frontier Airlines	F94830 PD654 PD129

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 16, 2025

Flight Schedule Seattle (Washington) to Montreal (Quebec)

Full flight schedule will help you in detecting at what time planes fly from Seattle to Montreal. 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
06:00 — 22:15	06:00 — 12:07 HA6816 Hawaiian Airlines Seattle — Chicago 5h 13m stop 17:20 — 20:02 PD2394 Porter Airlines Chicago — Toronto 58m stop 21:00 — 22:15 PD2487 Porter Airlines Toronto — Montreal	13h 15m including layover	Find flight from$201
06:00 — 00:36 +1 day	06:00 — 08:31 NK2626 Spirit Airlines Seattle — Las Vegas 4h 4m stop 12:35 — 19:58 WS1117 WestJet Las Vegas — Toronto 3h 17m stop 23:15 — 00:36 WS598 WestJet Toronto — Montreal	15h 36m including layover	Find flight from$203
07:05 — 17:20 +1 day	07:05 — 09:45 WS1551 WestJet Seattle — Calgary 21h 15m stop 07:00 — 12:56 PD352 Porter Airlines Calgary — Toronto 3h 4m stop 16:00 — 17:20 PD7451 Porter Airlines Toronto — Montreal	31h 15m including layover	Find flight from$201
07:20 — 15:29	07:20 — 15:29 AC512 Air Canada Seattle — Montreal	5h 9m	Find flight from$332
07:20 — 15:29	07:20 — 15:29 UA8086 United Airlines Seattle — Montreal	5h 9m	Find flight from$334
10:49 — 00:37 +2 days	10:49 — 13:38 F91178 Frontier Airlines Seattle — Los Angeles 24h 22m stop 14:00 — 21:53 PD662 Porter Airlines Los Angeles — Toronto 1h 22m stop 23:15 — 00:37 PD135 Porter Airlines Toronto — Montreal	34h 48m including layover	Find flight from$167
10:50 — 00:37 +2 days	10:50 — 13:42 F92176 Frontier Airlines Seattle — Los Angeles 24h 18m stop 14:00 — 21:57 PD662 Porter Airlines Los Angeles — Toronto 1h 18m stop 23:15 — 00:37 PD135 Porter Airlines Toronto — Montreal	34h 47m including layover	Find flight from$201
13:39 — 16:00 +1 day	13:39 — 19:48 AS410 Alaska Airlines Seattle — Chicago 13h 27m stop 09:15 — 11:57 PD2388 Porter Airlines Chicago — Toronto 2h 48m stop 14:45 — 16:00 PD2473 Porter Airlines Toronto — Montreal	23h 21m including layover	Find flight from$161
13:55 — 10:40 +1 day	13:55 — 20:10 UA1298 United Airlines Seattle — Chicago 11h 1m stop 07:11 — 10:40 UA3536 United Airlines Chicago — Montreal	17h 45m including layover	Find flight from$204
15:11 — 19:57 +1 day	15:11 — 17:50 F94830 Frontier Airlines Seattle — Las Vegas 15h 59m stop 09:55 — 17:20 PD654 Porter Airlines Las Vegas — Toronto 1h 15m stop 18:35 — 19:57 PD129 Porter Airlines Toronto — Montreal	25h 46m including layover	Find flight from$165
15:58 — 19:57 +1 day	15:20 — 17:51 NK2328 Spirit Airlines Seattle — Las Vegas 15h 29m stop 09:55 — 17:20 PD654 Porter Airlines Las Vegas — Toronto 1h 15m stop 18:35 — 19:57 PD129 Porter Airlines Toronto — Montreal	24h 59m including layover	Find flight from$197
16:58 — 09:02 +1 day	16:58 — 19:36 NK782 Spirit Airlines Seattle — Las Vegas 3h 19m stop 22:55 — 06:20 PD656 Porter Airlines Las Vegas — Toronto 1h 20m stop 07:40 — 09:02 PD111 Porter Airlines Toronto — Montreal	13h 4m including layover	Find flight from$193
16:58 — 21:17 +1 day	16:58 — 19:36 NK782 Spirit Airlines Seattle — Las Vegas 14h 19m stop 09:55 — 17:22 PD654 Porter Airlines Las Vegas — Toronto 2h 33m stop 19:55 — 21:17 PD129 Porter Airlines Toronto — Montreal	25h 19m including layover	Find flight from$203
17:55 — 16:00 +1 day	17:55 — 23:59 AS538 Alaska Airlines Seattle — Chicago 9h 16m stop 09:15 — 11:57 PD2388 Porter Airlines Chicago — Toronto 2h 48m stop 14:45 — 16:00 PD2473 Porter Airlines Toronto — Montreal	19h 5m including layover	Find flight from$161
18:03 — 00:37 +2 days	12:31 — 15:33 F91724 Frontier Airlines Seattle — Phoenix 15h 29m stop 12:40 — 20:00 PD642 Porter Airlines Phoenix — Toronto 3h 15m stop 23:15 — 00:37 PD135 Porter Airlines Toronto — Montreal	27h 34m including layover	Find flight from$198

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

*Departure and arrival times - local. Updated on September 16, 2025

Flight Information

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

Distance between Seattle and Montreal is 3677 miles. Time difference between the cities is 3h. Airplanes depart 00:17 to 23:59 from 3 Seattle airports and arrive 00:17 to 23:59 to 4 Montreal airports. Average flight time is 5h 9m.

The fastest flight 5h 9m
Average flight time 5h 9m
The earliest flight 00:17
The latest flight 23:59
Distance 2285 ml

The cheapest months to travel to Montreal are september (from 161 $), may (from 165 $), june (from 167 $).

The most expensive months are november (from 520 $), january (from 497 $), february (from 474 $).

What is the lowest airfare Seattle to Montreal?

The cheapest plane ticket found by our users is $161. This airfare is for economy class on one-way AS410 flight by Alaska Airlines for September 27, 2025 which leaves Seattle-Tacoma Intl in Seattle at 13:39 am and arrives at Montreal Pierre Elliott Trudeau at 16:00.

Economy class

$161

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Business class

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First class

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Popular Airlines on the Route

The flight Seattle — Montreal is served by 10 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 162 departures per week at the price of from $ 161 . And the most expensive tickets are offered by WestJet airline - from $ 690.

Direct flights

There are 2 nonstop flights on the route. The fastest direct flight is AC512 by Air Canada takes 5h 9m and the cheapest is AS410 by Alaska Airlines for $332.

AC - Air Canada

from $332

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UA - United Airlines

from $334

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Connecting Flights

There are 998 flights with layovers on the route. The fastest connecting flight is UA2269 by United Airlines takes 7h 11m and the cheapest is AS410 by Alaska Airlines for $161.

AS - Alaska Airlines

from $161

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AC - Air Canada

from $214

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F9 - Frontier Airlines

from $165

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SY - Sun Country Airlines

from $255

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HA - Hawaiian Airlines

from $201

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WS - WestJet

from $201

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UA - United Airlines

from $204

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AM - Aeromexico

from $357

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X4 - Vanair Limited

from $659

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NK - Spirit Airlines

from $193

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Airports

You can fly from Seattle to Montreal from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

Boeing Field International Airport-BFI

from $659
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Seattle-Tacoma Intl-SEA

from $161
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Kenmore Air Harbor SPB-LKE

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Montreal airports

St Lambert Rail Svce.-XLM

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Pierre Elliott Trudeau-YUL

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Mirabel-YMX

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St Hubert-YHU

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Airplanes

There are flights to Montreal from Seattle by 10 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Seattle

You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.

Seattle — Washington D.C.

from $78

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Seattle — New York

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Seattle — Chicago

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Seattle — Phoenix

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Seattle — San Diego

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Seattle — Los Angeles

from $53

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Seattle — Denver

from $243

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Seattle — Dallas

from $72

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Seattle — Boston

from $63

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Top International Destinations from Seattle

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.

Seattle — Tokyo

from $77

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Seattle — London

from $70

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Seattle — Vancouver

from $57

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Seattle — Cancun

from $63

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Seattle — Paris

from $66

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Seattle — Toronto

from $64

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Seattle — Calgary

from $76

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Seattle — Mumbai

from $80

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Seattle — Montreal

from $68

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Seattle — Amsterdam

from $64

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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»
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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.
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