Cheapest return flights from Austin to San Juan in July from $315

Best time to book flights for Austin (AUS) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Austin (AUS) to San Juan (SJU) in July 2025 (see full year).

Return flights

26 Jul - 30 Jul Spirit Airlines
02 Jul - 08 Jul Spirit Airlines
09 Jul - 14 Jul Spirit Airlines
13 Jul - 20 Jul Spirit Airlines
17 Jul - 21 Jul Spirit Airlines
03 Jul - 08 Jul Spirit Airlines
17 Jul - 20 Jul Spirit Airlines
22 Jul - 26 Jul Spirit Airlines
07 Jul - 13 Jul United
01 Jul - 06 Jul Southwest Airlines

Also check the deals for one-way flights from Austin to San Juan in July.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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