This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $451 fare is the cheapest current round-trip from Shanghai (PVG) to ALA on Air China flight CA4510, departing 2026-07-31 at 19:30 with return on 2026-08-18.

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