This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $340 fare is the cheapest current round-trip from Reykjavik (KEF) to PRG on Austrian flight OS974, departing 2026-08-25 at 00:10 with return on 2026-08-31.

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