What’s the cost of a flight from Seattle to Saint John?

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

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 between Seattle and Saint John? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Seattle: Seattle has 2 airports - Boeing Field, Lake Union.
• Airports in Saint John: The only active option is Saint John.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Seattle airports in a single search.

Find the best flight from Seattle to Saint John

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from the best airlines and travel agencies.

Other popular destinations

Searching for flights to Canada? Travelers also looked at: Calgary, Montreal, Quebec, Toronto, Vancouver.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Seattle – Saint John flights.