Cheapest return flights from Newark to San Juan in August from 139€

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

Return flights

31 Aug - 20 Sep Spirit Airlines
31 Aug - 17 Sep Spirit Airlines
31 Aug - 06 Sep Spirit Airlines
31 Aug - 13 Sep Spirit Airlines
30 Aug - 20 Sep Spirit Airlines
31 Aug - 05 Sep Spirit Airlines
19 Aug - 11 Sep Frontier Airlines direct
31 Aug - 10 Sep Spirit Airlines
31 Aug - 11 Sep Spirit Airlines
31 Aug - 18 Sep Spirit Airlines
22 Aug - 28 Aug Spirit Airlines
18 Aug - 28 Aug Frontier Airlines
19 Aug - 29 Aug Frontier Airlines
24 Aug - 28 Aug Spirit Airlines
26 Aug - 29 Aug Spirit Airlines
25 Aug - 28 Aug Spirit Airlines
30 Aug - 31 Aug Spirit Airlines
19 Aug - 22 Aug United
19 Aug - 21 Aug United
26 Aug - 28 Aug Frontier 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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