AirHint found the following cheapest return flights from Washington (DCA) to Lima (LIM) in January 2026 (see full year).

Return flights

19 Jan - 03 Feb	United
26 Jan - 30 Jan	United
29 Jan - 09 Feb	United
31 Jan - 09 Feb	LATAM Airlines Group
18 Jan - 08 Feb	United
17 Jan - 12 Feb	United
28 Jan - 08 Feb	Delta
29 Jan - 08 Feb	Delta
17 Jan - 08 Feb	LATAM Airlines Group
17 Jan - 28 Jan	LATAM Airlines Group
19 Jan - 12 Feb	LATAM Airlines Group
21 Jan - 03 Feb	Delta
28 Jan - 31 Jan	LATAM Airlines Group
16 Jan - 28 Jan	United
17 Jan - 21 Jan	LATAM Airlines Group
19 Jan - 26 Jan	LATAM Airlines Group
17 Jan - 20 Jan	LATAM Airlines Group
16 Jan - 21 Jan	United
17 Jan - 19 Jan	United
16 Jan - 18 Jan	LATAM Airlines Group

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

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.

Book a cheap hotel in Lima

Cheap car rent in Lima

Cheapest return flights from Washington to Lima in January from $326

Return flights