This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $348 fare is the cheapest current round-trip from Reykjavik (KEF) to BCN on EC flight EC3976, departing 2026-08-05 at 14:45 with return on 2026-08-12.

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