Cheapest return flights from Washington to Lima in May from $370

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

Return flights

20 May - 30 May Avianca
13 May - 27 May Avianca
07 May - 12 May Avianca
01 May - 12 May Avianca
06 May - 20 May Avianca
16 May - 30 May Avianca
19 May - 02 Jun Copa
10 May - 05 Jun Copa
21 May - 30 May Avianca
15 May - 26 May Avianca
06 May - 24 May Avianca
18 May - 25 May Avianca
20 May - 03 Jun Avianca
17 May - 01 Jun Avianca

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

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