Cheap Flights from Montreal to Seattle Starting at $172
Helping travelers to find the best flight offers
Cheapest flights from Montreal to Seattle
Find the best deals from Montreal to Seattle with a single search that scans over 700 airlines, 50+ travel agencies and more than 5 top booking systems to compare prices, schedules and ticket conditions. Whether you’re after a quick weekend getaway or a flexible itinerary, we surface the most convenient and affordable options so you can book with confidence.
Remember that on average the ideal time to book flights is 2 months before departure!
Fly nonstop from Montreal to Seattle for the quickest, most convenient way to bridge vibrant downtown life and Pacific Northwest adventures — fewer hassles, no layovers, and more time to enjoy your destination. While connecting options can sometimes be cheaper, a direct flight saves hours and delivers a more comfortable, reliable travel experience.
Schedule of direct flights from Montreal to Seattle
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Montreal to Seattle:
Montreal airports overview
Seattle airports overview
Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from Montreal to Seattle
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Alternative routes
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Cheapest one way flight
$172
Westjet
1 transfer
1d 1h 5m
11/10/2025
The cheapest one-way flight from Montreal to Seattle departs on 11/10/2025, is operated by Westjet and costs $172
Cheapest round trip flight
$428
Air Canada
1 transfer
22h 1m
12/25/2025
The cheapest roundtrip flight from Montreal to Seattle departs on 12/25/2025, is operated by Air Canada and costs $428
The fastest flight
10h 35m
Fastest flight from Montreal to Seattle takes 10h 35m
Direct flights
No direct flights
There are no direct flights on this route.
Distance
3674km
Timezone difference
3h
The distance between Montreal and Seattle is 3674km (2278 miles). The time difference between Montreal and Seattle is 3h
The route Montreal — Seattle is served by several airlines: Air Canada, Westjet, and Porter Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $172 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
Unable to find information about the schedule of direct flights from
Seattle–Tacoma International Airport (SEA) is the region’s primary international hub, handling most long-haul and domestic flights and serving legacy carriers like Alaska Airlines and Delta as well as several international carriers. It’s located about 14 miles (22 km) south of downtown Seattle, with light rail trips to the city center usually taking around 35–45 minutes; ride-share or taxi rides can be closer to 20–35 minutes depending on traffic. Fares for public transit are generally low, while taxis and app-based services can be moderate to high. Pros: extensive route network, good lounge and shopping options, relatively frequent transit links. Cons: can be busy at peak times and security lines or traffic can add to total travel time.
Montréal–Trudeau International (YUL) is the city’s main international gateway, typically handling most long-haul and full-service carriers alongside some leisure airlines; it’s generally perceived as mid- to high-range for convenience and flight options. The airport sits about 20–25 minutes (20–25 km) west of downtown Montréal, with the REM light-rail expected to cut travel times to roughly 20–30 minutes and fares comparable to local transit; buses and taxis usually take 25–40 minutes depending on traffic, with taxi fares often higher. For budget travelers, Montréal also has Saint-Hubert (YHU) on the South Shore for regional and private flights. Pros: broad route network and modern facilities; cons: peak-hour traffic and occasional longer waits at security.
We couldn't find any special offers for flights from Montreal to Seattle
How much is the cheapest flight ticket from Montreal to Seattle?
The cheapest flight ticket from Montreal to Seattle according to data for the last 48 hours costs $172
When is the best time to buy air tickets on the route Montreal — Seattle?
Often the best time to buy tickets from Montreal to Seattle is 2 months before departure.
How long does it take to fly from Montreal to Seattle?
The fastest flights from Montreal to Seattle start from 10 hours 35 minutes in the air.
Which airline can fly direct from Montreal to Seattle?
The following airlines operate direct flights on the route Montreal — Seattle: Air Canada
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Montreal to Seattle
