Cheapest return flights from Keflavik to Istanbul in July from $396

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

Return flights

26 Jul - 06 Aug Scandinavian Airlines
29 Jul - 06 Aug Scandinavian Airlines
26 Jul - 07 Aug Scandinavian Airlines
30 Jul - 09 Aug Scandinavian Airlines
28 Jul - 07 Aug Norwegian
29 Jul - 09 Aug Scandinavian Airlines
28 Jul - 09 Aug Scandinavian Airlines

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

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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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