This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $321 fare is the cheapest current round-trip from Reykjavik (KEF) to HEL on SAS flight SK4788, departing 2026-09-19 at 18:35 with return on 2026-10-01.

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