Cheap flights from New York to Key West from $85

In general, September is the cheapest month to fly from New York to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $381. If you are unable to visit Key West during the month of September, then departing from New York during the month January is also very affordable. Most momondo users find prices during this month for around $401.

On average, the least expensive day to fly to Key West from New York is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $431. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from New York to Key West for around $580.

According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from New York to Key West in the morning for as low as $487. 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 at noon, with an average ticket price of $511. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Newark to Key West for the best New York - Key West flight prices

There are 4 cabin classes available to choose from on New York to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 25% on your flight if you consider stops on a New York to Key West flight.

Breeze Airways, United Airlines, and Delta are the most popular carriers operating from New York to Key West

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Key West from New York according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between New York and Key West have experienced a delay on any given week. The average delay length over the past 12 months has been 157 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Miami (MIA) was the most common stop: 59% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $279.

Flights connecting via Miami (MIA) have the shortest average one-way travel time: 4h 48m.

Miami (MIA) has the shortest average layover time for this route: 0h 55m.

As of March 2026, 3 flights take off from New York and land in Key West each day. The most common flight departure time for this route is 9:00AM, with 64% of daily flights taking off at noon.

As of March 2026, there are 21 flights per week flying from New York to Key West. The most common day of the week flights depart is Sun, with 19% of flights taking off on this day.