This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $155 fare is the cheapest current round-trip from Athens (ATH) to MUC on A3 flight A3802, departing 2026-08-12 at 08:35 with return on 2026-08-17.
Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.