Cheapest return flights from Newark to San Juan in August from $148

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

Return flights

04 Aug - 08 Aug Spirit Airlines direct
04 Aug - 07 Aug Spirit Airlines direct
05 Aug - 07 Aug Frontier Airlines direct
31 Aug - 05 Sep Frontier Airlines direct
17 Aug - 21 Aug Frontier Airlines
12 Aug - 21 Aug Frontier Airlines
17 Aug - 22 Aug Frontier Airlines
31 Aug - 04 Sep Frontier Airlines
01 Aug - 07 Aug Spirit Airlines
02 Aug - 07 Aug Spirit Airlines
01 Aug - 08 Aug Spirit Airlines
11 Aug - 14 Aug Spirit Airlines
27 Aug - 04 Sep Frontier Airlines
20 Aug - 10 Sep Spirit Airlines
29 Aug - 05 Sep Frontier Airlines direct
31 Aug - 04 Sep Frontier Airlines direct
21 Aug - 11 Sep Spirit Airlines
27 Aug - 11 Sep Spirit Airlines
26 Aug - 11 Sep Spirit Airlines
24 Aug - 11 Sep Spirit Airlines

Also check the deals for one-way flights from Newark 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.