Cheapest return flights from Newark to San Juan in August from 154€

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

11 Aug - 14 Aug Frontier Airlines direct
05 Aug - 08 Aug Frontier Airlines direct
11 Aug - 15 Aug Frontier Airlines direct
03 Aug - 08 Aug Frontier Airlines direct
05 Aug - 05 Aug Frontier Airlines direct
03 Aug - 12 Aug Frontier Airlines direct
09 Aug - 14 Aug Frontier Airlines direct
03 Aug - 09 Aug Frontier Airlines direct
10 Aug - 20 Aug Frontier Airlines
11 Aug - 18 Aug Frontier Airlines direct
26 Aug - 09 Sep jetBlue direct
28 Aug - 02 Sep United direct
28 Aug - 03 Sep United direct
27 Aug - 03 Sep Delta
29 Aug - 05 Sep Delta
29 Aug - 01 Sep United

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