This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $190 fare is the cheapest current round-trip from Boston (BOS) to SEA on JetBlue flight B6397, departing 2026-06-29 at 07:10 with return on 2026-07-05.

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