This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $254 fare is the cheapest current round-trip from Boston (BOS) to SDQ on American Airlines flight AA1540, departing 2026-08-20 at 06:00 with return on 2026-08-25.

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