$81 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. Those looking for a great museum with interesting exhibits should take time out of their trip to Key West to go see Ernest Hemingway Home and Museum. Ernest Hemingway Home and Museum is particularly popular with tourists when the weather in Key West is not ideal. If you’re looking for an art gallery near Key West, Audubon House and Tropical Gardens is usually a popular hotspot when the weather isn’t ideal. For those looking to get out of the rain and do a little shopping, check out Duval Street. Many people find Key West Aquarium to be a great place to check out while visiting Key West, especially on days where the weather does not quite cooperate.

Coasters Key West is an amusement park near Key West, and is a perfect place to go enjoy a beautiful day with the family. Those looking to fly to Key West to visit these parks would likely find that the best time to do so is during June, July, or October, when there is only a moderate chance of rain and the weather is typically above 70 degrees fahrenheit.

If your plan is to spend time at Smathers Beach while visiting Key West, momondo recommends you plan your trip for February, March, or April when the temperatures are typically higher and the chance of rain is low. For those looking to visit another area beach, Higgs Beach is a great option in the Key West area.

Most flyers found that booking tickets 49 days in advance of their planned departure date is the best time to get cheap flights to Key West. During this timeframe, flight prices are around $497. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from United States for as low as $237 on momondo.

Prices for flights to Key West Airport are updated daily.

As of August 2026, there are 7 operators available to choose from for flights to Key West Airport.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Key West Airport.

The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.