Flights from Edmonton to Key West lean towards being more expensive in December. Prices are generally better when you fly from Edmonton to Key West in August, with the cheapest ticket starting at C$ 261.
Expected rainfall in Edmonton is more than in Key West. You can expect this to be the case over the next 13 days.
Temperatures around the 33 °C's can be experienced in August. The weather in Key West is hotter than in Edmonton. Plan for potential changes in flight availability as peak weather approaches in this location.