Cheapest return flights from San Diego to San Juan in August from 312€

AirHint found the following cheapest return flights from San Diego (SAN) to San Juan (SJU) in August 2025 (see full year).

Return flights

01 Aug - 08 Aug Spirit Airlines
04 Aug - 08 Aug Spirit Airlines
03 Aug - 06 Aug United
01 Aug - 05 Aug Spirit Airlines
20 Aug - 27 Aug Southwest Airlines
23 Aug - 26 Aug Southwest Airlines
04 Aug - 24 Aug Spirit Airlines
21 Aug - 25 Aug Spirit Airlines
13 Aug - 17 Aug Southwest Airlines
04 Aug - 10 Aug Southwest Airlines
28 Aug - 01 Sep United

Also check the deals for one-way flights from San Diego to San Juan in August.

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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