This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $243 fare is the cheapest current round-trip from Boston (BOS) to STI on JetBlue flight B61323, departing 2026-09-04 at 22:25 with return on 2026-09-07.

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