Cheap flights from Seattle, WA to Montreal, Canada

Flights starting at $196. Choose between United Airlines, Air Canada, or Porter Airlines to find the best price.

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Travelers usually depart from Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, Seattle, WA - University of Washington, or Seattle WA - South Lane St. Bus Stop when they travel from Seattle to Montreal. Book your trip to arrive at Montréal–Pierre Elliott Trudeau International, or Montreal Saint-Hubert Longueuil. The most popular airlines for this route are United Airlines, Air Canada, Porter Airlines, Alaska Airlines, and Frontier Airlines. Seattle and Montreal have 101 direct flights per week. When you arrive at Montreal, consider visiting Île Jésus, and Island of Montreal.

Check-in for a flight from Seattle to Montreal

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

Weather in Montreal

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-5°C-13°C
February-3°C-12°C
March1°C-6°C
April10°C1°C
May18°C8°C
June22°C13°C
July26°C17°C
August25°C16°C
September21°C12°C
October13°C6°C
November5°C0°C
December-1°C-6°C
Hottest Month
26°C
July
Coldest month
-13°C
January
Sunny days
220
days per year
Snow days
30
days per year

14 day forecast

Saturday
23 Mar
66%
-4°C-6°C
30 Mar
7°C0°C
Sunday
24 Mar
1°C-6°C
31 Mar
7°C0°C
Monday
25 Mar
4°C-4°C
1 Apr
7°C0°C
Tuesday
26 Mar
9°C-1°C
2 Apr
8°C2°C
Wednesday
27 Mar
87%
9°C4°C
3 Apr
7°C0°C
Thursday
28 Mar
87%
9°C4°C
4 Apr
7°C-1°C
Friday
29 Mar
7°C1°C
5 Apr
11°C1°C

Frequently asked questions

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

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