£451 Cheap flights to Key West

Users planning a flight to Key West during the months of August or September should anticipate rain. There are still things to do in Key West even when it's raining, though. Many tourists kill time during rain and storms by going to shopping centres in the area, like Mallory Square.

You are more likely to see cheaper flights to Key West from United Kingdom when booking 80 days ahead of your departure date. In general, you can expect to find flights to Key West for around £612 when searching 80 days out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from United Kingdom for as low as £438 on momondo.

Prices for flights to Key West Airport are refreshed on a daily basis.

As of September 2025, there are 6 operators available to choose from for flights to Key West Airport.

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.