How much should you expect to spend for a flight from Seattle to Thunder Bay?

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

Pick a travel date to see today’s available fares.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Which departure and arrival airports are available?

Between Seattle and Thunder Bay, flight options may depend on the combination of airports available.

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

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Choose the right flight for your trip from Seattle to Thunder Bay

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from the best airlines and travel agencies.

Other popular destinations

Flying to Canada? Many users also explore: Calgary, Montreal, Quebec, Toronto, Vancouver.

Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.