278 - 517 CAD
From most locations, the cheapest flights to Thunder Bay can be found during the month of March; however great deals can be found at other times.
On average, from most locations, when planning your trip to Thunder Bay, try to book your flight in the region of 42 days in advance for the cheapest prices.
On average, the cheapest flights to Thunder Bay are found when departing on a Thursday. Try to avoid departing on a Monday, as this is usually the most expensive day.
On average you can find the best deals on plane tickets to Thunder Bay when looking for flights with morning departure times.