What’s the cost of a flight from Hamilton International to Seattle?

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

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 Hamilton, Ontario and Seattle? Here are your airport options

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

• Airports in Hamilton, Ontario: You have 4 departure options - John C. Munro, Kitchener Lake, Lester B. Pearson, Toronto Island Airport.
• Airports in Seattle: Arrivals into Seattle are possible from 2 airports - Boeing Field, Lake Union.

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.

Explore flights from Hamilton International to Seattle your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in United States? Check out: Las Vegas, Los Angeles, Miami, New York City, Orlando.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.