This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $636 fare is the cheapest current round-trip from Boston (BOS) to PAR on DE flight DE2039, departing 2026-08-20 at 16:45 with return on 2026-09-10.

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