Cheapest return flights from Istanbul to Keflavik in April from $260

Best time to book flights for Istanbul (IST) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Istanbul (IST) to Keflavik (KEF) in April 2025 (see full year).

Return flights

29 Apr - 07 May Wizz Air UK
23 Apr - 27 Apr easyJet
11 Apr - 14 Apr Pegasus Airlines
22 Apr - 27 Apr Wizz Air UK
01 Apr - 08 Apr Pegasus Airlines
16 Apr - 23 Apr Pegasus Airlines
19 Apr - 23 Apr Pegasus Airlines
09 Apr - 13 Apr Wizz Air UK

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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