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

Flight prices from Seattle to Sarnia 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.

Are there alternative airports near Seattle and Sarnia?

The two cities are about 3136 km apart. Looking beyond the main airport might reveal better options.

• Airports in Seattle: There are 2 airports in Seattle - Boeing Field, Lake Union.
• Airports in Sarnia: Only Sarnia is active at the moment.

Many smaller airports are connected by direct buses or shuttles, often at low cost. If Sarnia has more than one airport, you can pick the most convenient for your destination.

Customize your flight from Seattle to Sarnia

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about Canada? You might also consider: Calgary, Montreal, Quebec, Toronto, Vancouver.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.