This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $375 fare is the cheapest current round-trip from Zurich (ZRH) to SPU on Austrian flight OS138, departing 2026-07-19 at 13:20 with return on 2026-07-25.

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