Cheap flights from Montreal, Canada to Seattle, WA

Flights starting at £201. Choose between Air Canada, Alaska Airlines, or Porter Airlines to find the best price.

Make your travel wishlist, we'll do the rest
Hidden deals
Effortless booking
Travel hacking

Tips to know when travelling to Seattle

Travelers usually depart from Montréal–Pierre Elliott Trudeau International, or Montreal Saint-Hubert Longueuil when they travel from Montreal to Seattle. Book your trip to arrive at Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base. The most popular airlines for this route are Air Canada, Alaska Airlines, Porter Airlines, United Airlines, and Frontier Airlines. Montreal and Seattle have 204 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Montreal to Seattle in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 18.03 - Sun 24.03

AirlineMon 18.03Tue 19.03Wed 20.03Thu 21.03Fri 22.03Sat 23.03Sun 24.03
---------------------

Weekly direct flights for Mon 25.03 - Sun 31.03

AirlineMon 25.03Tue 26.03Wed 27.03Thu 28.03Fri 29.03Sat 30.03Sun 31.03
---------------------

Weekly direct flights for Mon 01.04 - Sun 07.04

AirlineMon 01.04Tue 02.04Wed 03.04Thu 04.04Fri 05.04Sat 06.04Sun 07.04
---------------------

Weekly direct flights for Mon 08.04 - Sun 14.04

AirlineMon 08.04Tue 09.04Wed 10.04Thu 11.04Fri 12.04Sat 13.04Sun 14.04
---------------------

Check-in for a flight from Montreal to Seattle

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Air CanadaACAACYesNo
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Porter AirlinesPOEPDYes0
0
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight

Weather in Seattle

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C1°C
March10°C3°C
April13°C4°C
May18°C8°C
June21°C10°C
July25°C13°C
August26°C14°C
September22°C11°C
October15°C7°C
November10°C4°C
December6°C1°C
Hottest Month
26°C
August
Coldest month
1°C
February
Sunny days
250
days per year
Snow days
5
days per year

14 day forecast

Monday
18 Mar
18°C8°C
25 Mar
13°C4°C
Tuesday
19 Mar
20°C7°C
26 Mar
11°C4°C
Wednesday
20 Mar
85%
14°C5°C
27 Mar
86%
7°C5°C
Thursday
21 Mar
89%
14°C6°C
28 Mar
70%
12°C6°C
Friday
22 Mar
78%
15°C7°C
29 Mar
80%
8°C5°C
Saturday
23 Mar
60%
9°C8°C
30 Mar
88%
11°C4°C
Sunday
24 Mar
84%
10°C5°C
31 Mar
89%
8°C3°C

Frequently asked questions

What are the most popular routes to and from Montreal?
What are the most popular routes to and from Seattle?
Which airports are there in Montreal?
What airports are near Montreal?
What airports are near Seattle?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Montreal and Seattle?
What is Virtual Interlining and how do I use it?
Which airlines fly between Montreal and Seattle?
When's the best time to travel between Montreal and Seattle?
What flights operate between Montreal and Seattle?
How many airports are there near Montreal?
How many airports are there near Seattle?
What time do nonstop (direct) flights between Montreal and Seattle depart?
What time do nonstop (direct) flights between Montreal and Seattle arrive?
What time do flights between Montreal and Seattle depart?
What time do flights between Montreal and Seattle arrive?

Explore alternative trips

Flights from Montreal

Flights to Seattle

Popular routes

Find the best connection from Montreal to Seattle
Search flights, trains & buses
We hack the system,
you fly for less