AirHint found the following cheapest one-way flights from Boston (BOS) to Lima (LIM) in October 2025 (see full year).

One-Way flights

08 Oct	Avianca
30 Oct	LATAM Airlines Group
23 Oct	LATAM Airlines Group
24 Oct	LATAM Airlines Group
20 Oct	LATAM Airlines Group
29 Oct	LATAM Airlines Group
31 Oct	LATAM Airlines Group
21 Oct	LATAM Airlines Group
22 Oct	LATAM Airlines Group
26 Oct	LATAM Airlines Group

Also check the deals for return flights from Boston to Lima in October.

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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Cheapest one-way flights from Boston to Lima in October from 172€

One-Way flights