Cheap flights from North America to Key West from $41

In general, January is the cheapest month to fly from North America to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $366. If you are unable to visit Key West during the month of January, then departing from North America during the month August is also very affordable. Most momondo users find prices during this month for around $368.

On average, the least expensive day to fly to Key West from North America is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $447. 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 North America to Key West for around $589.

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 North America to Key West in the morning for as low as $505. 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 Orlando to Key West for the best North America - Key West flight prices

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

No. A direct flight is the cheapest option for a flight between North America to Key West.

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

American Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Key West from North America according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 5 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 14% of flights between North America and Key West have experienced a delay on any given week. The average delay length over the past 12 months has been 140 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 12% of their flights experiencing any sort of delay.

As of October 2026, there are 6 flights per day flying from North America to Key West. The most common time of day flights depart is 8:00AM, with 40% of flights taking off at noon.

As of October 2026, 46 flights take off from North America and land in Key West each week. The most common flight departure day for this route is Mon, with 22% of weekly flights taking off on this day.