Cheapest return flights from Newark to San Juan in August from $196

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

Return flights

11 Aug - 15 Aug Frontier Airlines
30 Aug - 06 Sep Frontier Airlines direct
18 Aug - 20 Aug Frontier Airlines
26 Aug - 29 Aug Spirit Airlines
19 Aug - 29 Aug Spirit Airlines
11 Aug - 14 Aug Frontier Airlines
25 Aug - 29 Aug jetBlue
23 Aug - 29 Aug Spirit Airlines
16 Aug - 22 Aug Spirit Airlines
16 Aug - 29 Aug Spirit Airlines
17 Aug - 20 Aug Frontier Airlines
26 Aug - 09 Sep Spirit Airlines
26 Aug - 06 Sep Spirit Airlines
19 Aug - 09 Sep Spirit Airlines
19 Aug - 06 Sep Spirit Airlines
30 Aug - 09 Sep Spirit Airlines
31 Aug - 05 Sep Frontier Airlines direct
23 Aug - 09 Sep Spirit Airlines
23 Aug - 06 Sep Spirit Airlines
18 Aug - 06 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.

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