Cheap flights from Florida to Key West from $34

In general, April is the cheapest month to fly from Florida to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $29. If you are unable to visit Key West during the month of April, then departing from Florida during the month September is also very affordable. Most momondo users find prices during this month for around $43.

On average, the least expensive day to fly to Key West from Florida is on a Sunday. momondo users have found tickets for Sunday departures for as low as $84. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Florida to Key West for around $162.

According to our data, the cheapest time of day to fly to Key West is in the evening. momondo users have found flights departing from Florida to Key West in the evening for as low as $78. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the morning, with an average ticket price of $137. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Orlando Sanford Intl to Key West for the best Florida - Key West flight prices

You are more likely to see cheaper flights to Key West from Florida when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $173 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Florida for as low as $142 on momondo.

Breeze Airways, Allegiant Air, and Delta are the most popular carriers operating from Florida to Key West

Breeze Airways, Allegiant Air and Silver Airways are the top three most popular airlines that fly to Key West from Florida according to our data. Breeze Airways is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 7 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

5 flights are operational daily from Florida to Key West as of May 2026. The most popular departure time for this route is 9:00PM, with 52% of flights per day taking off in the evening.

As of May 2026, 35 flights take off from Florida and land in Key West each week. The most common flight departure day for this route is Wed, with 17% of weekly flights taking off on this day.