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

17 Apr - 23 Apr Scandinavian Airlines
01 Apr - 09 Apr Scandinavian Airlines
17 Apr - 21 Apr Scandinavian Airlines
01 Apr - 08 Apr Scandinavian Airlines
01 Apr - 06 Apr Scandinavian Airlines
15 Apr - 21 Apr Scandinavian Airlines
23 Apr - 27 Apr Scandinavian Airlines
20 Apr - 24 Apr Scandinavian Airlines
13 Apr - 19 Apr Wizz Air UK
02 Apr - 07 Apr Scandinavian Airlines

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

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