Cheapest return flights from Newark to San Juan in October from 161€

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

Return flights

01 Oct - 04 Oct Frontier Airlines direct
01 Oct - 08 Oct Frontier Airlines direct
04 Oct - 08 Oct Frontier Airlines direct
11 Oct - 17 Oct Frontier Airlines direct
05 Oct - 17 Oct Frontier Airlines direct
02 Oct - 10 Oct Frontier Airlines direct
06 Oct - 10 Oct Frontier Airlines direct
03 Oct - 10 Oct Frontier Airlines direct
18 Oct - 20 Oct Frontier Airlines direct
04 Oct - 07 Oct United direct
01 Oct - 27 Nov United direct
28 Oct - 04 Nov United direct
29 Oct - 02 Nov United direct
30 Oct - 03 Nov Delta
30 Oct - 15 Nov Spirit Airlines
30 Oct - 10 Nov Spirit Airlines
21 Oct - 10 Nov Spirit Airlines
26 Oct - 15 Nov Spirit Airlines
26 Oct - 10 Nov Spirit Airlines
25 Oct - 15 Nov Spirit Airlines

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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