Cheapest return flights from Istanbul to Keflavik in May from 206€

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

Return flights

16 May - 26 May Wizz Air UK
05 May - 09 May Wizz Air UK
02 May - 09 May Wizz Air UK
12 May - 19 May Scandinavian Airlines
08 May - 10 May Scandinavian Airlines
13 May - 17 May AJet
01 May - 03 May Wizz Air UK
19 May - 24 May Pegasus Airlines
22 May - 28 May Scandinavian Airlines
05 May - 27 May Wizz Air UK

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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