Find out what a flight from Seattle to Thunder Bay might cost

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

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Which airports are most convenient between Seattle and Thunder Bay?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Seattle: There are 2 airports in Seattle - Boeing Field, Lake Union.
• Airports in Thunder Bay: Thunder Bay is the only functioning airport for now.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Find the best flight from Seattle to Thunder Bay

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 – Thunder Bay flights.