Cheapest return flights from Istanbul to Keflavik in March from $295

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

Return flights

13 Mar - 24 Mar easyJet
18 Mar - 26 Mar easyJet
16 Mar - 26 Mar easyJet
18 Mar - 22 Mar easyJet
13 Mar - 26 Mar easyJet
10 Mar - 15 Mar Pegasus Airlines
13 Mar - 19 Mar easyJet
18 Mar - 22 Mar Icelandair direct
13 Mar - 22 Mar Icelandair direct
18 Mar - 26 Mar Icelandair direct

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