Cheap flights from Newark Airport to Key West from $129

In general, January is the cheapest month to fly from Newark Airport to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $384. If you are unable to visit Key West during the month of January, then departing from Newark Airport during the month February is also very affordable. Most momondo users find prices during this month for around $442.

On average, the least expensive day to fly to Key West from Newark Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $446. 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 Newark Airport to Key West for around $591.

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 Newark Airport to Key West in the morning for as low as $497. 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 $525. 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 Newark - Key West flight prices

You are more likely to see cheaper flights to Key West from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $492 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Newark Airport for as low as $392 on momondo.

There are 4 cabin classes available to choose from on Newark Airport 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 28% on your flight if you consider stops on a Newark Airport to Key West flight.

As of September 2026, prices for Newark Airport to Key West flights are approximately 75% more expensive when compared to flights at the same time last year.

Allegiant Air and United Airlines are the most popular carriers operating from Newark to Key West

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Key West from Newark Airport according to our data. United Airlines is the first choice among our users, with 86% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 3 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

As of September 2026, there are 1 flights per day flying from Newark Airport to Key West. The most common time of day flights depart is 10:00AM, with 100% of flights taking off at noon.

As of September 2026, 7 flights take off from Newark Airport and land in Key West each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.