AirHint found the following cheapest return flights from Newark (EWR) to San Juan (SJU) in July 2026 (see full year).

Return flights

07 Jul - 11 Jul	jetBlue
13 Jul - 20 Jul	jetBlue	direct
22 Jul - 29 Jul	jetBlue	direct
04 Jul - 09 Jul	jetBlue
09 Jul - 16 Jul	jetBlue	direct
07 Jul - 11 Jul	United	direct
14 Jul - 10 Aug	jetBlue	direct
27 Jul - 03 Aug	jetBlue
17 Jul - 24 Jul	jetBlue	direct
31 Jul - 08 Aug	jetBlue	direct
02 Jul - 11 Jul	jetBlue
04 Jul - 17 Jul	jetBlue
04 Jul - 14 Jul	jetBlue
27 Jul - 02 Aug	jetBlue	direct

Also check the deals for one-way flights from Newark to San Juan in July.

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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Cheapest return flights from Newark to San Juan in July from $185

Return flights