Cheapest return flights from Istanbul to Keflavik in April from $244

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

Return flights

28 Apr - 05 May Wizz Air UK
15 Apr - 21 Apr AJet
18 Apr - 25 Apr Scandinavian Airlines
14 Apr - 24 Apr Pegasus Airlines
23 Apr - 27 Apr Wizz Air UK
22 Apr - 29 Apr Pegasus Airlines
18 Apr - 02 May Scandinavian Airlines
16 Apr - 20 Apr Lufthansa
23 Apr - 26 Apr Wizz Air UK
22 Apr - 27 Apr Scandinavian Airlines
22 Apr - 25 Apr Scandinavian Airlines
13 Apr - 18 Apr AJet
30 Apr - 06 May Scandinavian Airlines
30 Apr - 03 May Scandinavian Airlines

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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