This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $571 fare is the cheapest current round-trip from Tokyo (NRT) to BKK on XJ flight XJ603, departing 2026-08-07 at 11:10 with return on 2026-08-16.

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