$133 Cheap Delta flights Austin (AUS) to San Juan (SJU)

Grab budget-friendly return Delta Air Lines flights from $260 from AUS to SJU by organizing your results from “Price (lowest to highest)” on Expedia. Or look for deals from $133 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

October is one of the most affordable months to jet off to San Juan with Delta Air Lines. You could also find great deals on one-way and return fares in September.

Scoring the best Delta Air Lines deals from AUS to SJU often comes down to booking at the right moment. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is usually the most expensive day to book.* It’s smart to kick off your flight search about one month before you plan to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct route from AUS to SJU with Delta Air Lines or any other airlines, use our “Nonstop” filter when browsing for tickets.

Find Delta Air Lines’s earliest flights from AUS to SJU by using the “Early Morning” and “Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Delta Air Lines flights from Austin-Bergstrom Intl. Airport (AUS) to San Juan land at Luis Munoz Marin Intl. Airport (SJU). This is the main gateway here.

Delta Air Lines makes flying from AUS to SJU enjoyable with a rewarding loyalty program and an excellent in-flight experience. You could even start earning points with Delta SkyMiles. Be sure to sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making a booking, but your airline may add a charge after that time. For further details about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to update your itinerary without additional charges, check the “Changes included” or “No cancel fee” filter when organizing your trip.