This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $728 fare is the cheapest current round-trip from Boston (BOS) to MBJ on United Airlines flight UA371, departing 2026-08-14 at 19:00 with return on 2026-08-19.

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