Cheapest return flights from Boston to Santiago in February from $259

AirHint found the following cheapest return flights from Boston (BOS) to Santiago (STI) in February 2026 (see full year).

Return flights

04 Feb - 10 Feb Spirit Airlines
07 Feb - 10 Feb Spirit Airlines
10 Feb - 24 Feb Spirit Airlines
10 Feb - 12 Feb Spirit Airlines
09 Feb - 10 Feb Spirit Airlines
10 Feb - 15 Feb Spirit Airlines
04 Feb - 05 Feb Spirit Airlines
04 Feb - 12 Feb Spirit Airlines
09 Feb - 03 Mar Spirit Airlines
10 Feb - 14 Feb Spirit Airlines
10 Feb - 13 Feb Spirit Airlines
23 Feb - 03 Mar Spirit Airlines
20 Feb - 03 Mar Spirit Airlines
19 Feb - 03 Mar Spirit Airlines
20 Feb - 04 Mar Spirit Airlines
20 Feb - 06 Mar Spirit Airlines
23 Feb - 04 Mar Spirit Airlines
23 Feb - 06 Mar Spirit Airlines
19 Feb - 04 Mar Spirit Airlines
19 Feb - 06 Mar Spirit Airlines

Also check the deals for one-way flights from Boston to Santiago in February.

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