Cheap flights from Key West to San Juan

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How much is a ticket from Key West to San Juan?

Flight prices from Key West to San Juan change depending on demand and time of booking.

Select your dates to check current offers.

Flying at off-peak hours — such as early morning or late evening — can help you save. Also, the best deals tend to appear in the weeks leading up to departure.

Flying from or to Key West and San Juan? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

  • Airports in Key West: Only Key West - International is available for departures.
  • Airports in San Juan: Isla Grande is a secondary arrival airport.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Flights from Key West - International to San Juan - Luis Muñoz Marín

Explore flights from Key West to San Juan your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in Puerto Rico? Check out: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.
Frequently Asked Questions

Frequently asked questions about flights from Key West to San Juan.

How much does an airline ticket from Key West to San Juan cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Key West to San Juan.

How far is Key West from San Juan?

Key West is about 1765 km from San Juan.

What are the airports in San Juan?

San Juan has another airport: Isla Grande.

What are the airports in Key West?

Key West has one airport: Key West - International.

What are the most popular cities in Puerto Rico?

The most popular cities in Puerto Rico according to our users' searches are: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

When should I book a flight from Key West to San Juan?

This information is not available at the moment.

What is the cheapest month to fly from Key West to San Juan?

This information is not available at the moment.

What is the most expensive month to fly from Key West to San Juan?

This information is not available at the moment.

What is the best day of the week to fly from Key West to San Juan?

This information is not available at the moment.