This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $289 fare is the cheapest current round-trip from Philadelphia (PHL) to PUJ on Frontier flight F91016, departing 2026-10-01 at 06:24 with return on 2026-10-07.

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