What’s the cost of a flight from Key West to San Juan?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Key West and San Juan.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Are there multiple airports in Key West and San Juan?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Key West: Only Key West - International operates in this city.
• Airports in San Juan: Isla Grande is a secondary airport to San Juan - Luis Muñoz Marín.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Match your flight search to your preferences: Key West – San Juan

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from the best airlines and travel agencies.

Other popular destinations

Thinking about traveling to Puerto Rico? Other users also viewed: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.