This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $980 fare is the cheapest current round-trip from Seattle (SEA) to SGN on Cathay Pacific flight CX853, departing 2026-05-06 at 11:45 with return on 2026-05-12.

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