Cheapest one-way flights from Washington to Lima in October from $177

AirHint found the following cheapest one-way flights from Washington (IAD) to Lima (LIM) in October 2025 (see full year).

One-Way flights

01 Oct Avianca
25 Oct LATAM Airlines Group
27 Oct LATAM Airlines Group
28 Oct LATAM Airlines Group
29 Oct LATAM Airlines Group
21 Oct LATAM Airlines Group
08 Oct Avianca
03 Oct Avianca
23 Oct Copa
24 Oct Copa

Also check the deals for return flights from Washington to Lima in October.

Skyscanner

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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