This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $725 fare is the cheapest current round-trip from Seattle (SEA) to TYO on Cathay Pacific flight CX853, departing 2026-10-05 at 11:45 with return on 2026-10-22.

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