Planning a flight from Seattle to Thunder Bay?

Flight prices from Seattle to Thunder Bay change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Which airports serve Seattle and Thunder Bay?

When planning a trip of about 2441 km, it's a good idea to check flights from surrounding airports too.

• Airports in Seattle: Seattle is connected to 2 airports - Boeing Field, Lake Union.
• Airports in Thunder Bay: The only active airport in Thunder Bay is Thunder Bay.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Match your flight search to your preferences: Seattle – Thunder Bay

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from Expedia, Ryanair, British Airways, Easyjet, and more.

Other popular destinations

Thinking about traveling to Canada? Other users also viewed: Calgary, Montreal, Quebec, Toronto, Vancouver.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.