This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $1443 fare is the cheapest current round-trip from Boston (BOS) to BAK on DE flight DE2039, departing 2026-06-22 at 16:45 with return on 2026-08-16.
Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.