Cheapest return flights from Newark to San Juan in October from 109€

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

Return flights

04 Oct - 07 Oct Frontier Airlines direct
01 Oct - 04 Oct Frontier Airlines direct
05 Oct - 06 Oct Frontier Airlines direct
03 Oct - 10 Oct Frontier Airlines direct
15 Oct - 22 Oct Frontier Airlines direct
19 Oct - 26 Oct Frontier Airlines direct
04 Oct - 08 Oct Frontier Airlines direct
28 Oct - 06 Nov Frontier Airlines direct
25 Oct - 02 Nov Frontier Airlines direct
07 Oct - 11 Oct Frontier Airlines direct
16 Oct - 20 Oct Frontier Airlines direct
12 Oct - 18 Oct Frontier Airlines direct
29 Oct - 06 Nov Frontier Airlines direct
28 Oct - 04 Nov Delta
26 Oct - 04 Nov Frontier Airlines direct
28 Oct - 04 Nov Frontier Airlines direct
31 Oct - 03 Nov Frontier Airlines direct
31 Oct - 04 Nov Frontier Airlines direct
27 Oct - 10 Nov United direct
29 Oct - 12 Nov United 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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