Cheap flights from Florida Keys to New York from $44

The cheapest month to fly to New York LaGuardia Airport from Florida Keys is in September. Flight prices, which tend to average around $152, are often lower during this time because this is during the off-season. If you don’t want to visit New York LaGuardia Airport in September, then you should wait until March to fly from Florida Keys, when ticket prices are also cheap, with an average price of $165.

The cheapest day to depart on your flight to New York LaGuardia Airport is on a Friday when prices can be found for as low as $188. This is often the case because there is less demand to fly during this day of the week. Flights from Florida Keys to New York LaGuardia Airport on a Sunday will generally be more expensive and average around $272. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Florida Keys to New York LaGuardia Airport flights are usually those with departure times in the evening. Our users have found flights to New York LaGuardia Airport in the evening for as low as $169. Flights in the morning are often more expensive with an average ticket price of $218.

Fly from Key West to New York LaGuardia for the best Florida Keys - New York LaGuardia flight prices

You are more likely to see cheaper flights to New York LaGuardia Airport from Florida Keys when booking weeks ahead of your departure date. In general, you can expect to find flights to New York LaGuardia Airport for around $202 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New York LaGuardia Airport from Florida Keys for as low as $151 on momondo.

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

The number of flights available between Florida Keys and New York LaGuardia Airport is 35 per day as of March 2026. The most frequent departure time is 2:00PM, with 100% of daily flights leaving in the afternoon.

The number of flights available between Florida Keys and New York LaGuardia Airport is 249 per week as of March 2026. The most frequent departure day is Sun, with 16% of weekly flights leaving on this day.