Cheapest return flights from Istanbul to Keflavik in August from $237

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

Return flights

27 Aug - 03 Sep Scandinavian Airlines
20 Aug - 26 Aug Scandinavian Airlines
25 Aug - 05 Sep Scandinavian Airlines
30 Aug - 05 Sep Scandinavian Airlines
01 Aug - 08 Aug Turkish Airlines
07 Aug - 18 Aug AJet
02 Aug - 08 Aug Pegasus Airlines
01 Aug - 07 Aug Pegasus Airlines

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

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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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