Cheapest return flights from Istanbul to Keflavik in April from 224€

AirHint found the following cheapest return flights from Istanbul (IST) to Keflavik (KEF) in April 2026 (see full year).

Return flights

19 Apr - 23 Apr Scandinavian Airlines
17 Apr - 23 Apr Scandinavian Airlines
18 Apr - 23 Apr Scandinavian Airlines
09 Apr - 14 Apr Scandinavian Airlines
14 Apr - 21 Apr Scandinavian Airlines
17 Apr - 21 Apr Scandinavian Airlines
18 Apr - 29 Apr Scandinavian Airlines
01 Apr - 15 Apr Scandinavian Airlines
01 Apr - 06 Apr Scandinavian Airlines
14 Apr - 20 Apr Wizz Air UK

Also check the deals for one-way flights from Istanbul to Keflavik in April.

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