This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $405 fare is the cheapest current round-trip from Boston (BOS) to PUJ on Air Canada flight AC8611, departing 2026-09-18 at 18:50 with return on 2026-09-21.

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