To save up to 94% on this flight, we recommend booking at least 41 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Thunder Bay to Detroit from C$ 509 1-2 weeks out and tickets from C$ 719 for flights departing within the next 72 hours.
April is one of the best times of the year to fly to Detroit from Thunder Bay. Prices for April average C$ 417 per person but you can even find prices for as low as C$ 329. The most expensive prices can be found in the month of November. Opting for a April flight can save you 40% on your journey compared to booking in April
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Thunder Bay to Detroit as you normally would.
You can imagine temperatures to be in the 29 °C range in July. The weather in Detroit is generally hotter than Thunder Bay's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.