Cheapest return flights from Istanbul to Keflavik in April from $195

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

Return flights

15 Apr - 20 Apr Scandinavian Airlines
21 Apr - 25 Apr Scandinavian Airlines
17 Apr - 23 Apr Scandinavian Airlines
24 Apr - 28 Apr Scandinavian Airlines
22 Apr - 29 Apr Scandinavian Airlines
22 Apr - 27 Apr Scandinavian Airlines
14 Apr - 20 Apr Scandinavian Airlines
22 Apr - 26 Apr Scandinavian Airlines
20 Apr - 24 Apr Scandinavian Airlines
16 Apr - 20 Apr Scandinavian Airlines
18 Apr - 11 May Scandinavian Airlines
25 Apr - 02 May Pegasus Airlines
23 Apr - 02 May Wizz Air
18 Apr - 02 May Scandinavian Airlines

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

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