C$ 233 Cheap flights to Key West

If you are planning a flight to Key West and are looking to avoid the rain, you should avoid traveling during the months of August and September. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Key West, there are still things to do and ways to enjoy your trip. For those looking to get out of the rain and do a little shopping, check out Duval Street.

In general, October is the cheapest month to fly from Canada to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 666. If you don’t want to visit Key West in October, then you should wait until May to fly from Canada, when ticket prices are also cheap, with an average price of C$ 685.

Prices for flights to Key West Airport are updated daily.

There are 3 operators available for flights to Key West Airport as of October 2025.

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Key West Airport.

The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.