This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $1146 fare is the cheapest current round-trip from Osaka (KIX) to LON on RS flight RS712, departing 2026-05-19 at 10:05 with return on 2026-05-30.

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