This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $258 fare is the cheapest current round-trip from Newark (EWR) to SJU on United Airlines flight UA1543, departing 2026-10-10 at 19:47 with return on 2026-10-17.

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