Cheapest return flights from Austin to San Juan in July from 244€

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

Return flights

31 Jul - 04 Aug Frontier Airlines
24 Jul - 31 Jul Frontier Airlines
25 Jul - 01 Aug Frontier Airlines
31 Jul - 03 Aug Frontier Airlines
27 Jul - 10 Aug Frontier Airlines
25 Jul - 27 Jul Frontier Airlines
25 Jul - 28 Jul United
21 Jul - 23 Jul United
29 Jul - 14 Aug Spirit Airlines
31 Jul - 14 Aug Spirit Airlines
29 Jul - 15 Aug Spirit Airlines
29 Jul - 08 Aug Spirit Airlines
31 Jul - 15 Aug Spirit Airlines
31 Jul - 08 Aug Spirit Airlines
26 Jul - 30 Jul United
29 Jul - 31 Jul Spirit Airlines
25 Jul - 31 Jul Spirit Airlines
24 Jul - 28 Jul Spirit Airlines
21 Jul - 31 Jul Spirit Airlines
21 Jul - 28 Jul Spirit 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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