This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $521 fare is the cheapest current round-trip from Colombo (CMB) to HKG on Vietnam Airlines flight VN670, departing 2026-10-01 at 00:35 with return on 2026-10-04.

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