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

Depending on when you travel and how far in advance you book, fares between Key West and San Juan can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Exploring all airports near Key West and San Juan

Checking all the airports available in the area can give you more departure and arrival options for your trip.

• Airports in Key West: Key West - International is currently the only one operating.
• Airports in San Juan: Try also checking Isla Grande along with San Juan - Luis Muñoz Marín.

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

Customize your flight from Key West to San Juan

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from Delta, American, United, Expedia, eDreams, and more.

Other popular destinations

Thinking about Puerto Rico? You might also consider: Aguadilla, Culebra Airport, Mayaguez, Ponce, San Juan.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.