Cheapest one-way IST–KEF flights, May

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

One-Way flights

13 May Wizz Air UK
16 May Wizz Air
09 May Pegasus Airlines
05 May Scandinavian Airlines
02 May Scandinavian Airlines
08 May Pegasus Airlines
14 May AJet
07 May Pegasus Airlines
25 May AJet
06 May AJet

Also check the deals for return 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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