This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $403 fare is the cheapest current round-trip from Kathmandu (KTM) to BKK on SL flight SL221, departing 2026-10-30 at 15:05 with return on 2026-11-27.

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