Cheap Flights from Seattle, WA to Montreal, QC from $125

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On Cheapflightsplus.com you will find 2 direct and 798 connecting flights from Seattle to Montreal. You can compare airfare deals from 9 airlines and multiple travel sites from $125, 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: $125 (one-way), $214 (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 $125. The fastest direct flight takes 5h 9m and the fastest connecting – 7h 11m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $259 Find flight	07:20 Seattle Seattle-Tacoma Intl	15:29 Montreal Pierre Elliott Trudeau	5h 9m	Air Canada	AC512
from $261 Find flight	07:20 Seattle Seattle-Tacoma Intl	15:29 Montreal Pierre Elliott Trudeau	5h 9m	United Airlines	UA8086
from $159 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 $159 Find flight	16:55 Seattle Seattle-Tacoma Intl	13:54+1 день Montreal Pierre Elliott Trudeau	17h 59m layover 11h 45m - Chicago	United Airlines	UA1951 UA8344
from $161 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 $162 Find flight	14:05 Seattle Seattle-Tacoma Intl	00:41+1 день Montreal Pierre Elliott Trudeau	7h 36m layover 1h 44m - Calgary	WestJet	WS1553 WS214
from $125 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 $125 Find flight	13:39 Seattle Seattle-Tacoma Intl	16:00+1 день Montreal Pierre Elliott Trudeau	23h 21m layover 13h 27m - Chicago 2h 48m - Toronto	Alaska Airlines	AS410 PD2388 PD2473
from $130 Find flight	10:49 Seattle Seattle-Tacoma Intl	00:37+2 дня Montreal Pierre Elliott Trudeau	34h 48m layover 24h 22m - Los Angeles 1h 22m - Toronto	Frontier Airlines	F91178 PD662 PD135
from $151 Find flight	16:58 Seattle Seattle-Tacoma Intl	09:02+1 день Montreal Pierre Elliott Trudeau	13h 4m layover 3h 19m - Las Vegas 1h 20m - Toronto	Spirit Airlines	NK782 PD656 PD111
from $156 Find flight	06:00 Seattle Seattle-Tacoma Intl	22:15 Montreal Pierre Elliott Trudeau	13h 15m layover 5h 13m - Chicago 0h 58m - Toronto	Hawaiian Airlines	HA6816 PD2394 PD2487
from $156 Find flight	10:50 Seattle Seattle-Tacoma Intl	00:37+2 дня Montreal Pierre Elliott Trudeau	34h 47m layover 24h 18m - Los Angeles 1h 18m - Toronto	Frontier Airlines	F92176 PD662 PD135
from $157 Find flight	07:05 Seattle Seattle-Tacoma Intl	17:20+1 день Montreal Pierre Elliott Trudeau	31h 15m layover 21h 15m - Calgary 3h 4m - Toronto	WestJet	WS1551 PD352 PD7451
from $158 Find flight	06:00 Seattle Seattle-Tacoma Intl	00:36+1 день Montreal Pierre Elliott Trudeau	15h 36m layover 4h 4m - Las Vegas 3h 17m - Toronto	Spirit Airlines	NK2626 WS1117 WS598
from $159 Find flight	16:58 Seattle Seattle-Tacoma Intl	21:17+1 день Montreal Pierre Elliott Trudeau	25h 19m layover 14h 19m - Las Vegas 2h 33m - Toronto	Spirit Airlines	NK782 PD654 PD129
from $162 Find flight	08:00 Seattle Seattle-Tacoma Intl	00:37+1 день Montreal Pierre Elliott Trudeau	13h 37m layover 3h 11m - Los Angeles 1h 18m - Toronto	Hawaiian Airlines	HA6773 PD662 PD135

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 04, 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
07:20 — 15:29	07:20 — 15:29 AC512 Air Canada Seattle — Montreal	5h 9m	Find flight from$259
07:20 — 15:29	07:20 — 15:29 UA8086 United Airlines Seattle — Montreal	5h 9m	Find flight from$261
12:18 — 15:43 +1 day	12:18 — 15:18 F91724 Frontier Airlines Seattle — Phoenix 16h 42m stop 08:00 — 15:43 AC1276 Air Canada Phoenix — Montreal	24h 25m 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$159
14:05 — 00:41 +1 day	13:50 — 16:30 WS1553 WestJet Seattle — Calgary 1h 44m stop 18:30 — 00:43 WS214 WestJet Calgary — Montreal	7h 36m including layover	Find flight from$162
16:55 — 13:54 +1 day	16:55 — 22:55 UA1951 United Airlines Seattle — Chicago 11h 45m stop 10:40 — 13:54 UA8344 United Airlines Chicago — Montreal	17h 59m including layover	Find flight from$159
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$156
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$158
07:00 — 00:37 +1 day	07:00 — 09:45 HA6763 Hawaiian Airlines Seattle — Los Angeles 4h 13m stop 13:10 — 21:03 PD662 Porter Airlines Los Angeles — Toronto 1h 22m stop 23:15 — 00:37 PD135 Porter Airlines Toronto — Montreal	14h 37m including layover	Find flight from$162
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$157
08:00 — 00:37 +1 day	08:00 — 10:49 HA6773 Hawaiian Airlines Seattle — Los Angeles 3h 11m stop 14:00 — 21:57 PD662 Porter Airlines Los Angeles — Toronto 1h 18m stop 23:15 — 00:37 PD135 Porter Airlines Toronto — Montreal	13h 37m including layover	Find flight from$162
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$130
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$156
12:52 — 11:57 +1 day	12:52 — 15:07 UA1482 United Airlines Seattle — San Francisco 1h 48m stop 16:55 — 23:12 UA1482 United Airlines San Francisco — Chicago 9h 28m stop 08:40 — 11:57 UA8452 United Airlines Chicago — Montreal	20h 5m including layover	Find flight from$163
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$125
14:55 — 00:43 +2 days	14:55 — 16:00 AC8807 Air Canada Seattle — Vancouver 2h stop 18:00 — 20:28 AC224 Air Canada Vancouver — Calgary 22h 2m stop 18:30 — 00:43 WS214 WestJet Calgary — Montreal	30h 48m including layover	Find flight from$167
15:58 — 09:02 +1 day	15:20 — 17:51 NK2328 Spirit Airlines Seattle — Las Vegas 4h 29m stop 22:55 — 06:20 PD656 Porter Airlines Las Vegas — Toronto 1h 20m stop 08:15 — 09:35 PD111 Porter Airlines Toronto — Montreal	14h 4m including layover	Find flight from$162
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$162
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$151
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$125
17:59 — 09:02 +1 day	17:54 — 20:25 HA6760 Hawaiian Airlines Seattle — Las Vegas 2h 18m stop 22:55 — 06:20 PD656 Porter Airlines Las Vegas — Toronto 1h 20m stop 08:15 — 09:35 PD111 Porter Airlines Toronto — Montreal	12h 3m including layover	Find flight from$167
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$154
18:55 — 00:37 +2 days	18:55 — 21:42 HA6766 Hawaiian Airlines Seattle — Los Angeles 16h 18m stop 14:00 — 21:57 PD662 Porter Airlines Los Angeles — Toronto 1h 18m stop 23:15 — 00:37 PD135 Porter Airlines Toronto — Montreal	26h 42m including layover	Find flight from$177
19:50 — 21:17 +1 day	18:50 — 21:26 HA6754 Hawaiian Airlines Seattle — Las Vegas 11h 29m stop 09:55 — 17:20 PD654 Porter Airlines Las Vegas — Toronto 2h 33m stop 19:55 — 21:17 PD129 Porter Airlines Toronto — Montreal	22h 27m including layover	Find flight from$167
19:55 — 00:37 +2 days	19:55 — 22:46 AS1224 Alaska Airlines Seattle — Los Angeles 15h 14m stop 14:00 — 21:57 PD662 Porter Airlines Los Angeles — Toronto 1h 18m stop 23:15 — 00:37 PD135 Porter Airlines Toronto — Montreal	25h 42m including layover	Find flight from$178
21:40 — 00:43 +2 days	21:40 — 23:58 HA6897 Hawaiian Airlines Seattle — San Francisco 12h 52m stop 12:50 — 16:34 WS1509 WestJet San Francisco — Calgary 1h 56m stop 18:30 — 00:43 WS214 WestJet Calgary — Montreal	24h 3m including layover	Find flight from$173
21:44 — 00:43 +2 days	21:44 — 23:59 HA6800 Hawaiian Airlines Seattle — San Francisco 12h 51m stop 12:50 — 16:34 WS1509 WestJet San Francisco — Calgary 1h 56m stop 18:30 — 00:43 WS214 WestJet Calgary — Montreal	23h 59m including layover	Find flight from$173
22:55 — 16:00 +1 day	22:41 — 07:02 HA6744 Hawaiian Airlines Seattle — Newark 4h 40m stop 12:00 — 13:40 PD2128 Porter Airlines Newark — Toronto 1h 5m stop 14:45 — 16:00 PD2473 Porter Airlines Toronto — Montreal	14h 5m including layover	Find flight from$177
22:55 — 20:10 +1 day	22:41 — 07:02 HA6744 Hawaiian Airlines Seattle — Newark 7h 45m stop 15:35 — 17:15 PD2134 Porter Airlines Newark — Toronto 2h 10m stop 18:55 — 20:10 PD2485 Porter Airlines Toronto — Montreal	18h 15m including layover	Find flight from$177

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

*Departure and arrival times - local. Updated on June 4, 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 167 $), may (from 172 $), june (from 174 $).

The most expensive months are november (from 541 $), january (from 518 $), february (from 494 $).

What is the lowest airfare Seattle to Montreal?

The cheapest plane ticket found by our users is $125. 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

$125

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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 9 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 136 departures per week at the price of from $ 125 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 768.

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 $259.

AC - Air Canada

from $259

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UA - United Airlines

from $261

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Connecting Flights

There are 798 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 $125.

AS - Alaska Airlines

from $125

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AC - Air Canada

from $167

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F9 - Frontier Airlines

from $130

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SY - Sun Country Airlines

from $198

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HA - Hawaiian Airlines

from $156

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WS - WestJet

from $157

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UA - United Airlines

from $159

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AM - Aeromexico

from $279

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NK - Spirit Airlines

from $151

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See more connecting flights

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

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Seattle-Tacoma Intl-SEA

from $125
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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 9 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 — Las Vegas

from $62

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Seattle — New York

from $180

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Seattle — Chicago

from $73

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Seattle — Phoenix

from $67

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Seattle — San Diego

from $74

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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»
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.