Cheapest return flights from Washington to Lima in December from $381

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

Return flights

06 Dec - 13 Dec LATAM Airlines Group
07 Dec - 12 Dec Avianca
04 Dec - 08 Dec LATAM Airlines Group
09 Dec - 13 Jan Avianca
23 Dec - 13 Jan LATAM Airlines Group
12 Dec - 15 Jan Avianca
22 Dec - 13 Jan Allegiant Air
28 Dec - 11 Jan Avianca
12 Dec - 27 Dec Air Canada
26 Dec - 28 Dec LATAM Airlines Group
22 Dec - 12 Jan Allegiant Air
30 Dec - 07 Jan LATAM Airlines Group
31 Dec - 07 Jan LATAM Airlines Group
28 Dec - 28 Dec Avianca
29 Dec - 29 Dec Delta
31 Dec - 06 Jan Avianca
18 Dec - 22 Dec Frontier Airlines
10 Dec - 03 Jan Avianca
27 Dec - 27 Dec Delta

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

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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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