This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $323 fare is the cheapest current round-trip from Tokyo (HND) to SGN on VJ flight VJ4821, departing 2026-05-07 at 02:00 with return on 2026-05-16.

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