Cheapest return flights from Newark to Santiago in September from 286€

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

Return flights

04 Sep - 09 Sep Spirit Airlines
04 Sep - 18 Sep Spirit Airlines
04 Sep - 12 Sep Spirit Airlines
16 Sep - 18 Sep Spirit Airlines
16 Sep - 26 Sep Spirit Airlines
11 Sep - 18 Sep Spirit Airlines
11 Sep - 26 Sep Spirit Airlines
20 Sep - 26 Sep Spirit Airlines
05 Sep - 18 Sep Spirit Airlines
05 Sep - 26 Sep Spirit Airlines
26 Sep - 12 Oct United direct
17 Sep - 01 Oct United direct
18 Sep - 02 Oct United direct
19 Sep - 03 Oct United direct
25 Sep - 09 Oct United direct
26 Sep - 10 Oct United direct
27 Sep - 11 Oct United direct
28 Sep - 12 Oct United direct
29 Sep - 13 Oct United direct
20 Sep - 04 Oct United direct

Also check the deals for one-way flights from Newark to Santiago 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.

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