Cheapest one-way flights from Newark to San Juan in October from $79

AirHint found the following cheapest one-way flights from Newark (EWR) to San Juan (SJU) in October 2025 (see full year).

One-Way flights

12 Oct Frontier Airlines direct
01 Oct Frontier Airlines direct
05 Oct Frontier Airlines direct
06 Oct Frontier Airlines direct
08 Oct Frontier Airlines direct
07 Oct Frontier Airlines direct
29 Oct Frontier Airlines direct
03 Oct Frontier Airlines
10 Oct Frontier Airlines
17 Oct Frontier Airlines

Also check the deals for return flights from Newark to San Juan in October.

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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