This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $576 fare is the cheapest current round-trip from Washington DC (IAD) to LIM on Copa flight CM444, departing 2026-07-23 at 16:26 with return on 2026-08-11.

Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.