This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $426 fare is the cheapest current round-trip from Tokyo (NRT) to KOJ on GK flight GK217, departing 2026-08-10 at 07:40 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.