This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $427 fare is the cheapest current round-trip from Boston (BOS) to CAI on Qatar flight QR744, departing 2026-09-07 at 22:00 with return on 2026-09-14.

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