This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $171 fare is the cheapest current round-trip from Zurich (ZRH) to FRA on DE flight DE4310, departing 2026-06-17 at 16:40 with return on 2026-06-18.

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