Cheapest return flights from Santiago to Newark in September from $361

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

Return flights

24 Sep - 11 Oct jetBlue
03 Sep - 23 Sep Spirit Airlines
21 Sep - 28 Sep Frontier Airlines
05 Sep - 20 Sep Spirit Airlines
28 Sep - 03 Oct Frontier Airlines
22 Sep - 28 Sep jetBlue direct
24 Sep - 11 Oct jetBlue direct
26 Sep - 05 Oct Spirit Airlines
30 Sep - 12 Oct Spirit Airlines
14 Sep - 15 Sep United direct
21 Sep - 28 Sep United direct
11 Sep - 20 Sep United direct
23 Sep - 30 Sep United direct
09 Sep - 15 Sep United direct
09 Sep - 23 Sep United direct
17 Sep - 01 Oct United direct
18 Sep - 02 Oct United direct
19 Sep - 03 Oct United direct
21 Sep - 05 Oct United direct
22 Sep - 06 Oct United direct

Also check the deals for one-way 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.

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