Cheapest return flights from Istanbul to Keflavik in May from $249

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

Return flights

16 May - 26 May Pegasus Airlines
12 May - 16 May Pegasus Airlines
06 May - 09 May Pegasus Airlines
05 May - 27 May Pegasus Airlines
06 May - 13 May Pegasus Airlines
12 May - 17 May Pegasus Airlines
16 May - 22 May Pegasus Airlines
21 May - 26 May Pegasus Airlines
20 May - 27 May Pegasus Airlines
22 May - 26 May Pegasus Airlines
30 May - 06 Jun AJet
28 May - 06 Jun Pegasus Airlines
23 May - 01 Jun Pegasus 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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