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.

Which airports serve Key West and San Juan?

When planning a trip of about 1765 km, it's a good idea to check flights from surrounding airports too.

• Airports in Key West: Key West - International is the only operational airport in the area.
• Airports in San Juan: Another nearby option is Isla Grande.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Flight filters for the route Key West – San Juan

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to Puerto Rico are often searched alongside: Aguadilla, Culebra Airport, Mayaguez, Ponce, San Juan.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.