This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $646 fare is the cheapest current round-trip from Los Angeles (LAX) to SGN on Philippine Airlines flight PR103, departing 2026-10-12 at 23:45 with return on 2026-11-13.

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