Cheapest return flights from Istanbul to Keflavik in May from 201€

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

Return flights

22 May - 28 May Scandinavian Airlines
19 May - 26 May Wizz Air UK
12 May - 16 May Scandinavian Airlines
23 May - 28 May Scandinavian Airlines
16 May - 26 May Scandinavian Airlines
16 May - 30 May Scandinavian Airlines
10 May - 16 May Scandinavian Airlines
28 May - 30 May Scandinavian Airlines
26 May - 28 May Scandinavian Airlines
09 May - 16 May Scandinavian Airlines
21 May - 01 Jun Scandinavian Airlines
24 May - 01 Jun Scandinavian Airlines
24 May - 02 Jun Scandinavian Airlines
23 May - 01 Jun Scandinavian Airlines
22 May - 01 Jun Scandinavian Airlines
24 May - 03 Jun Scandinavian Airlines
23 May - 03 Jun Scandinavian Airlines
25 May - 01 Jun Scandinavian Airlines

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

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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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