Cheapest return IAD–LIM flights, May

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

Return flights

12 May - 26 May LATAM Airlines Group
25 May - 27 May Copa
27 May - 03 Jun Copa
26 May - 04 Jun Copa
31 May - 07 Jun Copa
29 May - 11 Jun Copa
27 May - 02 Jun Copa
27 May - 14 Jun Copa
28 May - 03 Jun Copa
07 May - 14 May LATAM Airlines Group
29 May - 17 Jun Copa
27 May - 01 Jun Copa
14 May - 18 May Copa
30 May - 10 Jun Copa
07 May - 12 May Avianca
09 May - 12 May Avianca
09 May - 16 May Copa
13 May - 16 May Copa
23 May - 29 May Avianca
07 May - 11 May Avianca

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

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