This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $423 fare is the cheapest current round-trip from Reykjavik (KEF) to SOF on W4 flight W46454, departing 2026-07-31 at 18:25 with return on 2026-08-07.

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