$178 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.

In the last 5 days, the lowest price for a flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport was $137 for a one-way ticket and $312 for a round-trip.

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Seattle and Montreal are both served by 1 main airport. You will leave Seattle from Seattle/Tacoma Intl and will be arriving at Montreal Pierre Elliott Trudeau Intl.

Only Air France offers inflight Wi-Fi service on the Seattle to Montreal flight route.

The Boeing 787-9 Dreamliner is the aircraft model that flies most regularly on the Seattle to Montreal flight route.

SkyTeam, and Star Alliance are the airline alliances operating flights between Seattle and Montreal, with SkyTeam being the most commonly used for this route.

The two airlines most popular with KAYAK users for flights from Seattle to Montreal are Delta and United Airlines. With an average price for the route of $575 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $720 and an overall rating of 7.4.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Montreal.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Montreal from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Montreal with an airline and back to Seattle with another airline. Booking your flights between Seattle and YUL can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Montreal from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.