Our data shows that August tends to be the cheapest month to fly to Key West from St John's. Users have commonly found prices around C$ 577 for the month, but tickets can be as low as C$ 260. Due to multiple factors, prepare for potentially higher prices in December.
When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in St John's is typically similar to Key West. We can gather that this will continue over the next 19 days.
With an average temperature of 33 °C, peak weather can be found in August. As a traveller, expect to see changes in flight prices during that period. The temperatures in Key West are hotter than in St John's.