Cheapest return flights from Istanbul to Keflavik in August from 312€

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

Return flights

28 Aug - 01 Sep Pegasus Airlines
28 Aug - 11 Sep AJet
25 Aug - 28 Aug Pegasus Airlines
22 Aug - 26 Aug Pegasus Airlines
27 Aug - 01 Sep AJet
27 Aug - 31 Aug AJet
30 Aug - 13 Sep Turkish Airlines
23 Aug - 28 Aug SKY express
26 Aug - 30 Aug AJet
25 Aug - 31 Aug Pegasus Airlines
19 Aug - 23 Aug Pegasus Airlines
16 Aug - 20 Aug Pegasus Airlines
25 Aug - 29 Aug Pegasus Airlines
23 Aug - 31 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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