What’s the cost of a flight from Seattle to Montreal Trudeau?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and Montreal.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Flying from or to Seattle and Montreal? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in Seattle: You have 2 departure options - Boeing Field, Lake Union.
• Airports in Montreal: Arrivals into Montreal are possible from 2 airports - Saint-Hubert, Trudeau International.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Refine your flight search from Seattle to Montreal Trudeau

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from the best airlines and travel agencies.

Other popular destinations

Also looking at Canada? These cities are trending: Calgary, Montreal, Quebec, Toronto, Vancouver.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.