This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $600 fare is the cheapest current round-trip from Seoul (ICN) to BSZ on China Southern flight CZ6100, departing 2026-07-16 at 18:00 with return on 2026-08-14.

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