This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $904 fare is the cheapest current round-trip from Seattle (SEA) to BJS on Korean Air flight KE42, departing 2026-04-30 at 12:50 with return on 2026-06-25.

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