Cheapest one-way flights from Santiago to Newark in September from $192

AirHint found the following cheapest one-way flights from Santiago (STI) to Newark (EWR) in September 2025 (see full year).

One-Way flights

26 Sep Spirit Airlines
06 Sep Spirit Airlines
03 Sep Spirit Airlines
21 Sep Frontier Airlines
18 Sep United direct
12 Sep United direct
26 Sep jetBlue direct
30 Sep Spirit Airlines
09 Sep Spirit Airlines
21 Sep jetBlue direct

Also check the deals for return flights from Santiago 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.