$143 Find Cheap Flights from Seattle to Montreal - Compare and Save

Several flights from SEA to YUL have layovers en route. Some of the common layover cities include Calgary (YYC) by WestJet and Flair, Washington, D.C. (IAD) by United, Vancouver (YVR) by Air Canada, San Francisco (SFO) by United, Toronto (YYZ) by Air Canada, Los Angeles (LAX) by United, Atlanta (ATL) by Delta, Chicago (ORD) BY United, Minneapolis (MSP) by Delta, and Dallas (DFW) by American.

STM 747 Express 747 Bus connects YUL Airport to downtown Montreal and operates a 17-mins interval. Orleans Express Service Aeroport Trudeau Bus connects YUL Airport to downtown Montreal and runs four times daily. Societe de Transport de Montreal 354 Bus connects YUL Airport to downtown Montreal and operates five times daily. Taxis are available on demand on YUL Airport transport ground and link YUL Airport with downtown Montreal.

Air Canada can accommodate people with special needs flying from SEA to YUL. They offer accessible services such as booking assistance, wheelchair assistance during boarding, navigation, and disembarking for those with reduced mobility, and priority checking. The airline provides alternative access to information for passengers who are hard of hearing and have low vision, such as closed captioning, braille, and audio descriptions.

Your minor can travel alone from SEA to YUL unaccompanied at a fee with United Airlines. The airline allows children aged 5 to 14 but restricts connecting flight travels to those aged eight and above. You must accompany your minor for check-in at least 2 hours before departure. You must also provide documents such as the minor’s passport and birth certificate to verify age. You must provide additional documents and information such as your photo ID, contact number, and details of the receiving adult, including name, address, and contact telephone number.

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

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

• 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 $420 round-trip via Calgary (YYC), compared to $711 for nonstop.

The Boeing 787-9 Dreamliner family is used most often on this route, operated mainly by Virgin Atlantic and Alaska Airlines. Other aircraft seen on the route include Airbus A220-300 variants.

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

• Vancouver Intl (YVR) - 49% of one-stop connections
• Toronto Pearson Intl (YYZ) - 24% of one-stop connections
• Calgary (YYC) - 13% of one-stop connections
• Chicago O'Hare Intl (ORD) - 9% of one-stop connections

Vancouver Intl (YVR) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 23% on the Seattle to Montreal Pierre Elliott Trudeau Intl Airport route. Wednesday is the cheapest departure day at $575 round-trip on average, while Monday is the most expensive at $743, a difference of $168. 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 Montreal Pierre Elliott Trudeau Intl Airport are Centre Bell, Central Station Montreal and Vieux-Port de Montréal. These are among the most viewed places in Montreal Pierre Elliott Trudeau Intl Airport on KAYAK.

Last-minute fares on this route - booked within 2 weeks of departure - run 53% above the route average of $668. Book 23 weeks before departure for the lowest fares.

A nonstop flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport 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 $314 to $2,332. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Seattle to Montreal Pierre Elliott Trudeau Intl Airport are currently lower than usual. Average one-way flight prices are about $211, which is 31% below the typical average for this route.

Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 8h 18m, compared with 8h 21m via Chicago O'Hare Intl (ORD) and 8h 28m via Detroit Metropolitan Wayne County (DTW).

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

Montreal Pierre Elliott Trudeau Intl Airport (YUL) hosts 5 major car rental companies, with daily rates starting from around $12 for economy cars. Top options include:
· Routes Car & Truck Rentals
· Alamo
· Thrifty
· Hertz
· Avis

Round-trip flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport range from $544 to $822, with an average of $668 over the past 12 months. Anything below $544 counts as a good deal.