Cheapest return flights from Istanbul to Keflavik in August from $517

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 August 2025 (see full year).

Return flights

04 Aug - 11 Aug Pegasus Airlines

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

Skyscanner

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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