Cheapest return flights from Newark to San Juan in August from $231

Best time to book flights for Newark (EWR) to San Juan (SJU) flights at AirHint

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

Return flights

31 Aug - 03 Sep jetBlue
23 Aug - 27 Aug Spirit Airlines
18 Aug - 22 Aug Spirit Airlines
13 Aug - 20 Aug Spirit Airlines
16 Aug - 20 Aug Spirit Airlines
16 Aug - 22 Aug Spirit Airlines
25 Aug - 28 Aug jetBlue
12 Aug - 15 Aug Spirit Airlines
20 Aug - 17 Sep Spirit Airlines
21 Aug - 05 Sep Spirit Airlines
21 Aug - 27 Aug Spirit Airlines
16 Aug - 19 Aug Spirit Airlines
22 Aug - 27 Aug Spirit Airlines
26 Aug - 13 Sep Spirit Airlines
27 Aug - 06 Sep Spirit Airlines
30 Aug - 09 Sep jetBlue
31 Aug - 03 Sep United direct
31 Aug - 08 Sep Spirit Airlines
15 Aug - 03 Sep Spirit Airlines
26 Aug - 13 Sep jetBlue direct

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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