Cheapest return flights from Newark to San Juan in October from $100

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

Return flights

25 Oct - 05 Nov Frontier Airlines direct
24 Oct - 01 Nov Frontier Airlines direct
01 Oct - 04 Oct Frontier Airlines direct
08 Oct - 11 Oct Frontier Airlines direct
22 Oct - 29 Oct Frontier Airlines direct
11 Oct - 18 Oct Frontier Airlines direct
11 Oct - 15 Oct Frontier Airlines direct
29 Oct - 05 Nov Frontier Airlines direct
04 Oct - 11 Oct Frontier Airlines direct
05 Oct - 11 Oct Frontier Airlines direct
08 Oct - 17 Oct Frontier Airlines direct
17 Oct - 22 Oct Frontier Airlines direct
25 Oct - 31 Oct Frontier Airlines direct
25 Oct - 01 Nov Frontier Airlines direct
25 Oct - 04 Nov Frontier Airlines direct
29 Oct - 03 Nov Frontier Airlines direct
24 Oct - 04 Nov Frontier Airlines direct
11 Oct - 17 Nov Frontier Airlines direct
17 Oct - 10 Nov Frontier Airlines
31 Oct - 03 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.