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

Prices vary based on date, airline, and availability. Compare several options if you're flying between Austin, TX 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 Austin, TX 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 Austin, TX: Only Austin, TX 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.

Adjust your flight filters for Austin – San Juan

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Puerto Rico? These cities are popular too: Aguadilla, Culebra Airport, Mayaguez, Ponce, San Juan.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.