AirHint found the following cheapest return flights from Washington (DCA) to Lima (LIM) in October 2025 (see full year).

Return flights

21 Oct - 06 Nov	LATAM Airlines Group
09 Oct - 14 Oct	Delta
20 Oct - 27 Oct	Delta
31 Oct - 03 Nov	LATAM Airlines Group
31 Oct - 17 Nov	LATAM Airlines Group
06 Oct - 13 Oct	Delta
03 Oct - 06 Oct	LATAM Airlines Group
10 Oct - 19 Oct	LATAM Airlines Group

Also check the deals for one-way flights from Washington 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 return flights from Washington to Lima in October from 311€

Return flights