Cheapest return flights from Newark to San Juan in July from $210

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 July 2025 (see full year).

Return flights

15 Jul - 31 Jul Frontier Airlines direct
01 Jul - 08 Jul Frontier Airlines direct
04 Jul - 10 Jul Frontier Airlines direct
05 Jul - 10 Jul Frontier Airlines direct
06 Jul - 10 Jul Frontier Airlines direct
09 Jul - 15 Jul Frontier Airlines direct
06 Jul - 08 Jul Frontier Airlines direct
08 Jul - 09 Jul Frontier Airlines direct
12 Jul - 23 Jul Frontier Airlines direct
02 Jul - 15 Jul Frontier Airlines direct
06 Jul - 06 Aug Frontier Airlines direct
30 Jul - 06 Aug Frontier Airlines direct
31 Jul - 06 Aug Frontier Airlines direct
26 Jul - 10 Aug Frontier Airlines
25 Jul - 02 Aug Frontier Airlines direct
31 Jul - 07 Aug Frontier Airlines
31 Jul - 10 Aug Frontier Airlines
31 Jul - 12 Aug Frontier Airlines
30 Jul - 10 Aug Frontier Airlines
29 Jul - 24 Aug Spirit Airlines

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

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