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

Return flights

12 Dec - 15 Jan	LATAM Airlines Group
25 Dec - 20 Jan	LATAM Airlines Group
16 Dec - 17 Jan	LATAM Airlines Group
04 Dec - 06 Jan	LATAM Airlines Group
30 Dec - 05 Jan	LATAM Airlines Group
25 Dec - 07 Jan	Delta
23 Dec - 11 Jan	LATAM Airlines Group
17 Dec - 07 Jan	Delta
28 Dec - 04 Jan	Delta

Also check the deals for one-way flights from Washington to Lima in December.

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 December from 576€

Return flights