This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $665 fare is the cheapest current round-trip from Washington DC (IAD) to SAP on Copa flight CM357, departing 2026-10-22 at 09:35 with return on 2026-10-26.

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