Cheapest return flights from Keflavik to Istanbul in March from $228

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

Return flights

03 Mar - 30 Mar easyJet
22 Mar - 27 Mar easyJet
27 Mar - 01 Apr Scandinavian Airlines
28 Mar - 01 Apr easyJet
22 Mar - 27 Mar Icelandair direct
28 Mar - 02 Apr easyJet
22 Mar - 22 Mar Turkish Airlines

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

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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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