Roundtrip Airfare Austin TX to San Juan Puerto Rico

No special codes or coupons are required. Get these roundtrip airfares while they are available.

These basic economy fares from Delta, United, and Southwest include one stop each way. On Delta and Southwest, you are permitted a personal item and a carry-on bag. United basic economy fares only allow a personal item. Seat selection and changes are not permitted with these fares.

Travel Availability

• Departures from Austin (AUS): January 12-13, 18, 20-21, 25-27; February 1-4, 7-10, 15, 22-25, 28; March 1, 3
• Departures from San Juan (SJU): January 14-15, 22-23, 27-31; February 3-7, 10-12, 19, 24-26, 28; March 3

Timing This offer expires on March 31, 2026.