Cheap Flights from Montreal, QC to Seattle, WA from $185

One way Round trip

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On Cheapflightsplus.com you will find 724 connecting flights from Montreal to Seattle. You can compare airfare deals from 8 airlines and multiple travel sites from $185, 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: $185 (one-way), $317 (round-trip).

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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 $185. Take a look at the list of flights with layovers from Montreal to Seattle from $185. There’re no direct flights. The fastest connecting flight – 8h.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $185 Find flight	17:35 Montreal Pierre Elliott Trudeau	08:57+1 день Seattle Seattle-Tacoma Intl	18h 22m layover 9h 35m - Las Vegas	Porter Airlines	PD657 F92407
from $269 Find flight	19:05 Montreal Pierre Elliott Trudeau	14:53+1 день Seattle Seattle-Tacoma Intl	22h 48m layover 14h 7m - Las Vegas	Air Canada	AC1275 NK413
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 $286 Find flight	16:45 Montreal Pierre Elliott Trudeau	14:21+1 день Seattle Seattle-Tacoma Intl	24h 36m layover 17h 36m - Calgary	WestJet	WS213 WS1552
from $291 Find flight	18:10 Montreal Pierre Elliott Trudeau	14:21+1 день Seattle Seattle-Tacoma Intl	23h 11m layover 16h 12m - Calgary	Porter Airlines	PD389 WS1552
from $235 Find flight	06:45 Montreal Pierre Elliott Trudeau	20:26 Seattle Seattle-Tacoma Intl	16h 41m layover 3h 14m - Toronto 4h 8m - Las Vegas	Porter Airlines	PD102 PD653 NK1455
from $262 Find flight	14:35 Montreal Pierre Elliott Trudeau	12:27+1 день Seattle Seattle-Tacoma Intl	24h 52m layover 1h 24m - Toronto 13h 22m - Los Angeles	Porter Airlines	PD124 PD665 F91177
from $266 Find flight	18:30 Montreal Pierre Elliott Trudeau	20:50+1 день Seattle Seattle-Tacoma Intl	29h 20m layover 9h 47m - Edmonton 8h 7m - Phoenix	WestJet	WS549 WS1532 F91723
from $274 Find flight	14:35 Montreal Pierre Elliott Trudeau	09:58+1 день Seattle Seattle-Tacoma Intl	22h 23m layover 1h 24m - Toronto 10h 52m - Los Angeles	Porter Airlines	PD124 PD665 AS1178
from $283 Find flight	13:30 Montreal Pierre Elliott Trudeau	15:13+1 день Seattle Seattle-Tacoma Intl	28h 43m layover 1h 26m - Winnipeg 17h 25m - Phoenix	WestJet	WS327 WS1396 F91723
from $288 Find flight	14:35 Montreal Pierre Elliott Trudeau	16:23+1 день Seattle Seattle-Tacoma Intl	28h 48m layover 3h 19m - Toronto 16h 5m - Las Vegas	Porter Airlines	PD124 PD655 NK203
from $288 Find flight	14:35 Montreal Pierre Elliott Trudeau	18:26+1 день Seattle Seattle-Tacoma Intl	30h 51m layover 3h 19m - Toronto 18h 4m - Las Vegas	Porter Airlines	PD124 PD655 F92407
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 $289 Find flight	13:30 Montreal Pierre Elliott Trudeau	08:21+1 день Seattle Seattle-Tacoma Intl	21h 51m layover 1h 26m - Winnipeg 10h 25m - Phoenix	WestJet	WS327 WS1396 AS605
from $298 Find flight	06:55 Montreal Pierre Elliott Trudeau	21:46 Seattle Seattle-Tacoma Intl	17h 51m layover 3h 0m - Toronto 6h 45m - Chicago	Porter Airlines	PD2452 PD2387 AS421
from $299 Find flight	16:45 Montreal Pierre Elliott Trudeau	00:10+2 дня Seattle Seattle-Tacoma Intl	34h 25m layover 18h 46m - Calgary 4h 33m - Los Angeles	WestJet	WS213 WS1514 NK1490

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on April 04, 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
06:00 — 21:40	06:00 — 07:35 AC481 Air Canada Montreal — Toronto 11h 40m stop 19:15 — 21:40 AC543 Air Canada Toronto — Seattle	18h 40m including layover	Find flight from$365
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
07:00 — 22:02	07:00 — 08:49 UA3456 United Airlines Montreal — Newark 9h 46m stop 18:35 — 22:02 UA330 United Airlines Newark — Seattle	18h 2m including layover	Find flight from$327
07:55 — 22:02	07:55 — 09:38 UA8487 United Airlines Montreal — Newark 8h 57m stop 18:35 — 22:02 UA330 United Airlines Newark — Seattle	17h 7m including layover	Find flight from$327
08:05 — 21:05	08:05 — 10:35 UA8523 United Airlines Montreal — Denver 8h 25m stop 19:05 — 21:10 UA299 United Airlines Denver — Seattle	16h including layover	Find flight from$327
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
09:15 — 22:46	09:15 — 10:54 UA8371 United Airlines Montreal — Chicago 9h 1m stop 19:55 — 22:46 UA2850 United Airlines Chicago — Seattle	16h 31m including layover	Find flight from$327
09:20 — 21:57	09:20 — 13:10 PD571 Porter Airlines Montreal — Miami 4h 49m stop 17:59 — 21:57 AS748 Alaska Airlines Miami — Seattle	15h 37m including layover	Find flight from$305
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
10:20 — 18:43	10:20 — 11:45 PD2460 Porter Airlines Montreal — Toronto 4h 35m stop 16:20 — 18:43 AS973 Alaska Airlines Toronto — Seattle	11h 23m including layover	Find flight from$353
11:08 — 22:02	11:08 — 13:00 UA3575 United Airlines Montreal — Newark 5h 35m stop 18:35 — 22:02 UA330 United Airlines Newark — Seattle	13h 54m including layover	Find flight from$327
11:15 — 21:30	11:15 — 12:41 AC409 Air Canada Montreal — Toronto 6h 24m stop 19:15 — 21:40 AC543 Air Canada Toronto — Seattle	13h 15m including layover	Find flight from$361
13:10 — 22:46	13:10 — 14:45 UA8031 United Airlines Montreal — Chicago 5h 10m stop 19:55 — 22:46 UA2850 United Airlines Chicago — Seattle	12h 36m including layover	Find flight from$327
13:15 — 22:02	13:15 — 14:58 UA8158 United Airlines Montreal — Newark 3h 37m stop 18:35 — 22:02 UA330 United Airlines Newark — Seattle	11h 47m including layover	Find flight from$327
16:45 — 14:21 +1 day	16:45 — 19:44 WS213 WestJet Montreal — Calgary 17h 36m stop 13:20 — 14:21 WS1552 WestJet Calgary — Seattle	24h 36m including layover	Find flight from$286
16:45 — 22:46	16:45 — 18:41 UA3419 United Airlines Montreal — Chicago 1h 14m stop 19:55 — 22:46 UA2850 United Airlines Chicago — Seattle	9h 1m including layover	Find flight from$327
17:35 — 08:57 +1 day	17:35 — 20:25 PD657 Porter Airlines Montreal — Las Vegas 9h 35m stop 06:00 — 08:57 F92407 Frontier Airlines Las Vegas — Seattle	18h 22m including layover	Find flight from$185
17:35 — 09:50 +1 day	17:35 — 20:25 PD657 Porter Airlines Montreal — Las Vegas 10h 35m stop 07:00 — 09:50 AS629 Alaska Airlines Las Vegas — Seattle	19h 15m including layover	Find flight from$221
18:10 — 14:21 +1 day	18:10 — 21:08 PD389 Porter Airlines Montreal — Calgary 16h 12m stop 13:20 — 14:21 WS1552 WestJet Calgary — Seattle	23h 11m including layover	Find flight from$291
18:10 — 07:13 +1 day	18:10 — 21:01 PD375 Porter Airlines Montreal — Vancouver 8h 59m stop 06:00 — 07:13 AS3307 Alaska Airlines Vancouver — Seattle	16h 3m including layover	Find flight from$302
19:05 — 14:53 +1 day	19:05 — 21:53 AC1275 Air Canada Montreal — Las Vegas 14h 7m stop 12:00 — 14:53 NK413 Spirit Airlines Las Vegas — Seattle	22h 48m including layover	Find flight from$269
19:05 — 09:50 +1 day	19:05 — 21:53 AC1275 Air Canada Montreal — Las Vegas 9h 7m stop 07:00 — 09:50 AS629 Alaska Airlines Las Vegas — Seattle	17h 45m including layover	Find flight from$312
20:00 — 18:43 +1 day	20:00 — 21:25 PD2480 Porter Airlines Montreal — Toronto 18h 55m stop 16:20 — 18:43 AS973 Alaska Airlines Toronto — Seattle	25h 43m including layover	Find flight from$352
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

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

*Departure and arrival times - local. Updated on April 4, 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 05:00 to 22:30 from 4 Montreal airports and arrive 05:00 to 22:30 to 3 Seattle airports. Average flight time is 16h 42m.

The fastest flight 8h
Average flight time 16h 42m
The earliest flight 05:00
The latest flight 22:30
Distance 2285 ml

The cheapest months to travel to Seattle are december (from 185 $), november (from 256 $), january (from 262 $).

The most expensive months are february (from 268 $), january (from 262 $), november (from 256 $).

What is the lowest airfare Montreal to Seattle?

The cheapest plane ticket found by our users is $185. This airfare is for economy class on one-way PD657 flight by Porter Airlines for December 12, 2024 which leaves Pierre Elliott Trudeau in Montreal at 17:35 am and arrives at Seattle Seattle-Tacoma Intl at 08:57.

Economy class

$185

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Business class

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First class

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Popular Airlines on the Route

The flight Montreal — Seattle is served by 8 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by American Airlines - 47 departures per week at the price of from $ 326 . And the most expensive tickets are offered by WestJet airline - from $ 1463.

Direct flights

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

Connecting Flights

There are 724 flights with layovers on the route. The fastest connecting flight is AC305 by Air Canada takes 8h and the cheapest is PD657 by Porter Airlines for $185.

AA - American Airlines

from $326

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AC - Air Canada

from $269

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F8 - Freedom Airlines

from $304

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PD - Porter Airlines

from $185

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DL - Delta Air Lines Inc.

from $314

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WS - WestJet

from $266

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UA - United Airlines

from $327

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TS - Air Transat

from $305

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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

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Pierre Elliott Trudeau-YUL

from $185
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Mirabel-YMX

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St Hubert-YHU

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Seattle airports

Boeing Field International Airport-BFI

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Seattle-Tacoma Intl-SEA

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Kenmore Air Harbor SPB-LKE

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Airplanes

There are flights to Seattle from Montreal by 8 airlines that use 10 aircraft brands. They range from huge modern airplanes to small-sized.

Canadair Regional Jet 900

from $314

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Embraer RJ145

from $326

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Boeing 737-100/200

from $340

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Embraer 175 (short wing)

from $344

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Airbus A319

from $354

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Airbus A320

from $370

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Boeing 737 MAX 8

from $399

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De Havilland Canada DHC-8-400 Dash 8Q

from $407

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Embraer 170

from $436

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Canadair 900

from $441

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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

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Montreal — Miami

from $60

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Montreal — Boston

from $68

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Montreal — Los Angeles

from $73

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Montreal — Las Vegas

from $56

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Montreal — Orlando

from $80

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Montreal — Chicago

from $75

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Montreal — San Francisco

from $77

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Montreal — Tampa

from $70

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Montreal — Washington D.C.

from $72

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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.