Cheapest return flights from Boston to Lima in September from $485

Best time to book flights for Boston (BOS) to Lima (LIM) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Lima (LIM) in September 2025 (see full year).

Return flights

10 Sep - 17 Sep Copa
03 Sep - 20 Sep Copa
02 Sep - 05 Sep Delta

Also check the deals for one-way flights from Boston to Lima 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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