C$ 302 Find Cheap Flights from Montreal to Seattle – Compare and Save

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.

A direct flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle takes 00m, covering 5,895 km.

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.

Round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle range from C$ 595 to C$ 905, with an average of C$ 733 over the past 12 months. Anything below C$ 595 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 58% above the C$ 733 route average. Book 16 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 590 round-trip via Washington, D.C. Dulles Intl (IAD), compared to C$ 755 for direct.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 520 to C$ 1,758. That means the highest observed fare was about 3x higher than the lowest one.

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.

One-way fares from Montreal Pierre Elliott Trudeau Intl Airport to Seattle are currently lower than usual. Average one-way flight prices are about C$ 338, which is 23% below the typical average for this route.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around C$ 5 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Budget
• Hertz

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).

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

• Toronto Pearson Intl (YYZ) – 32% of one-stop connections
• Vancouver Intl (YVR) – 30% of one-stop connections
• Calgary (YYC) – 24% of one-stop connections
• Chicago O'Hare Intl (ORD) – 6% of one-stop connections

Yes. Flexible dates can save you up to 7% on flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle. Thursday is the cheapest departure day at C$ 701 round-trip on average, while Wednesday is the most expensive at C$ 751, a difference of C$ 50.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 8h 16m, compared with 8h 49m via Vancouver Intl (YVR) and 8h 59m via Toronto Pearson Intl (YYZ).

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.

Some of the most popular sights in Seattle are Lumen Field, T-Mobile Park, and Seattle Waterfront. These are among the most viewed places in Seattle on KAYAK.

Among airlines operating Montreal Pierre Elliott Trudeau Intl Airport to Seattle flights:

• Air Canada: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

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

• Air Canada: a carry-on bag and a checked bag in Economy Class

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