Cheapest return flights from Newark to Santiago in October from $352

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

Return flights

15 Oct - 01 Nov Spirit Airlines
25 Oct - 28 Oct Frontier Airlines
24 Oct - 01 Nov Spirit Airlines
15 Oct - 20 Oct United direct
09 Oct - 15 Oct United direct
25 Oct - 28 Oct United direct
10 Oct - 19 Oct United direct
10 Oct - 17 Oct United direct
11 Oct - 25 Oct United direct
12 Oct - 26 Oct United direct
13 Oct - 27 Oct United direct
14 Oct - 28 Oct United direct
08 Oct - 10 Nov United direct
18 Oct - 01 Nov United direct
23 Oct - 06 Nov United direct
24 Oct - 07 Nov United direct
27 Oct - 10 Nov United direct
28 Oct - 11 Nov United direct
29 Oct - 12 Nov United direct
31 Oct - 14 Nov United direct

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

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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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