Planning a flight from Seattle to San Juan?

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

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Are there multiple airports in Seattle 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 Seattle: 2 airports are active in Seattle - Boeing Field, Lake Union.
• 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.

Choose the right flight for your trip from Seattle to San Juan

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from the best airlines and travel agencies.

Other popular destinations

Flying to Puerto Rico? Many users also explore: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.