Cheapest return flights from San Juan to Newark in September from 103€

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

Return flights

25 Sep - 30 Sep Frontier Airlines direct
25 Sep - 29 Sep Frontier Airlines direct
26 Sep - 28 Sep Frontier Airlines direct
25 Sep - 28 Sep Frontier Airlines direct
27 Sep - 29 Sep Frontier Airlines direct
25 Sep - 06 Oct Frontier Airlines direct
24 Sep - 01 Oct Frontier Airlines direct
26 Sep - 03 Oct Frontier Airlines direct
20 Sep - 21 Sep Frontier Airlines direct
20 Sep - 23 Sep Frontier Airlines direct
24 Sep - 30 Sep Frontier Airlines direct
27 Sep - 27 Sep Spirit Airlines
19 Sep - 26 Sep Frontier Airlines direct
27 Sep - 07 Oct Spirit Airlines
27 Sep - 03 Oct Spirit Airlines
30 Sep - 18 Oct Spirit Airlines
30 Sep - 01 Oct Spirit Airlines
30 Sep - 07 Oct Spirit Airlines
30 Sep - 03 Oct Spirit Airlines
27 Sep - 15 Oct Spirit Airlines

Also check the deals for one-way flights from San Juan to Newark in September.

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 Newark

Cheap car rent in Newark

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