This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $793 fare is the cheapest current round-trip from Seattle (SEA) to BKK on China Airlines flight CI21, departing 2026-08-03 at 01:55 with return on 2026-08-17.

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