This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $303 fare is the cheapest current round-trip from Singapore (SIN) to NHA on Vietnam Airlines flight VN656, departing 2026-06-22 at 21:00 with return on 2026-07-04.

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