Cheapest return flights from Istanbul to Keflavik in August from $284

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

Return flights

07 Aug - 14 Aug Wizz Air
02 Aug - 14 Aug Wizz Air
15 Aug - 19 Aug Pegasus Airlines
15 Aug - 17 Aug Turkish Airlines
16 Aug - 23 Aug Wizz Air
16 Aug - 20 Aug Wizz Air
30 Aug - 06 Sep Wizz Air
05 Aug - 10 Aug Wizz Air
23 Aug - 31 Aug Wizz Air
25 Aug - 31 Aug Turkish Airlines
18 Aug - 24 Aug Wizz Air UK

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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