Cheapest return flights from Newark to San Juan in October from $155

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

Return flights

28 Oct - 04 Nov Delta
16 Oct - 20 Oct Frontier Airlines direct
23 Oct - 25 Oct Frontier Airlines direct
04 Oct - 08 Oct Frontier Airlines direct
18 Oct - 25 Oct Frontier Airlines direct
07 Oct - 14 Oct Frontier Airlines direct
28 Oct - 04 Nov jetBlue direct
11 Oct - 14 Oct Frontier Airlines direct
24 Oct - 28 Oct Frontier Airlines direct
23 Oct - 28 Oct Frontier Airlines direct
28 Oct - 29 Oct Frontier Airlines direct
04 Oct - 06 Oct Frontier Airlines direct
31 Oct - 03 Nov Delta
28 Oct - 03 Nov Delta
25 Oct - 01 Nov Frontier Airlines direct
30 Oct - 04 Nov Frontier Airlines direct
28 Oct - 03 Nov Frontier Airlines direct
27 Oct - 06 Nov Frontier Airlines direct
31 Oct - 03 Nov Frontier Airlines direct
31 Oct - 02 Nov Frontier Airlines direct

Also check the deals for one-way 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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