This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $2171 fare is the cheapest current round-trip from Sapporo (CTS) to BOS on Japan Airlines flight JL500, departing 2026-07-23 at 07:40 with return on 2026-07-23.

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