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

07 Feb - 11 Feb Spirit Airlines
09 Feb - 11 Feb Spirit Airlines
09 Feb - 10 Feb Spirit Airlines
01 Feb - 11 Feb Spirit Airlines
01 Feb - 10 Feb Spirit Airlines
05 Feb - 11 Feb Spirit Airlines
05 Feb - 10 Feb Spirit Airlines
07 Feb - 13 Feb Spirit Airlines
09 Feb - 13 Feb Spirit Airlines
07 Feb - 25 Feb Spirit Airlines
24 Feb - 16 Mar Spirit Airlines
25 Feb - 16 Mar Spirit Airlines
24 Feb - 12 Mar Spirit Airlines
25 Feb - 12 Mar Spirit Airlines
21 Feb - 12 Mar Spirit Airlines
24 Feb - 03 Mar Spirit Airlines
25 Feb - 03 Mar Spirit Airlines
21 Feb - 03 Mar Spirit Airlines
24 Feb - 06 Mar Spirit Airlines
25 Feb - 06 Mar Spirit Airlines

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

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