$187 Find Cheap Flights from Montreal to Seattle - Compare and Save

Flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle usually depart from Montreal Pierre Elliott Trudeau Intl (YUL) and arrive at Seattle/Tacoma Intl (SEA).

Here are some options for this route, based on selected ticket types and cabin classes:

• Air Canada: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $335 round-trip via Dallas/Fort Worth (DFW), compared to $530 for nonstop.

One-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle most commonly connect through:

• Toronto Pearson Intl (YYZ) - 34% of one-stop connections
• Vancouver Intl (YVR) - 28% of one-stop connections
• Calgary (YYC) - 26% of one-stop connections
• Chicago O'Hare Intl (ORD) - 5% of one-stop connections

Toronto Pearson Intl (YYZ) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 10% on the Montreal Pierre Elliott Trudeau Intl Airport to Seattle route. Thursday is the cheapest departure day at $496 round-trip on average, while Friday is the most expensive at $551, a difference of $55. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

Last-minute fares on this route - booked within 2 weeks of departure - run 54% above the route average of $523. Book 16 weeks before departure for the lowest fares.

A nonstop flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle takes 0h 00m, covering 2,276 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $301 to $1,132. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Montreal Pierre Elliott Trudeau Intl Airport to Seattle are currently lower than usual. Average one-way flight prices are about $205, which is 37% below the typical average for this route.

Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 8h 15m, compared with 8h 42m via Vancouver Intl (YVR) and 8h 44m via Detroit Metropolitan Wayne County (DTW).

Seattle is 3 hours behind Montreal Pierre Elliott Trudeau Intl Airport (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
· Fox
· Europcar
· Thrifty
· Budget
· Dollar

Round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle range from $421 to $652, with an average of $523 over the past 12 months. Anything below $421 counts as a good deal.

Air Canada is the only airline on the Montreal Pierre Elliott Trudeau Intl Airport to Seattle route offering in-flight Wi-Fi. Pricing depends on fare class.