Cheapest return flights from Newark to San Juan in October from $158

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

Return flights

19 Oct - 23 Oct Frontier Airlines direct
01 Oct - 08 Oct Frontier Airlines direct
09 Oct - 14 Oct Frontier Airlines
01 Oct - 04 Oct Frontier Airlines
10 Oct - 17 Oct Frontier Airlines
10 Oct - 14 Oct Frontier Airlines
29 Oct - 01 Nov Frontier Airlines
04 Oct - 25 Oct Frontier Airlines
03 Oct - 05 Oct Frontier Airlines
11 Oct - 14 Oct Frontier Airlines direct
11 Oct - 16 Oct Frontier Airlines direct
27 Oct - 05 Nov Spirit Airlines
27 Oct - 11 Nov Spirit Airlines
27 Oct - 01 Nov Spirit Airlines
27 Oct - 08 Nov Spirit Airlines
29 Oct - 05 Nov Spirit Airlines
29 Oct - 18 Nov Spirit Airlines
29 Oct - 11 Nov Spirit Airlines
29 Oct - 08 Nov Spirit Airlines
27 Oct - 17 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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