This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $1299 fare is the cheapest current round-trip from Philadelphia (PHL) to ATH on United Airlines flight UA4587, departing 2026-07-18 at 19:45 with return on 2026-07-26.

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