Cheapest return flights from Istanbul to Keflavik in October from $252

AirHint found the following cheapest return flights from Istanbul (IST) to Keflavik (KEF) in October 2025 (see full year).

Return flights

03 Oct - 06 Oct Wizz Air UK
15 Oct - 21 Oct Norwegian
07 Oct - 14 Oct Wizz Air UK
22 Oct - 29 Oct Norwegian
22 Oct - 26 Oct Norwegian
06 Oct - 12 Oct Wizz Air UK
03 Oct - 08 Oct Wizz Air UK
03 Oct - 12 Oct Wizz Air UK
01 Oct - 05 Oct Wizz Air
27 Oct - 12 Nov Wizz Air
20 Oct - 26 Oct Wizz Air UK
24 Oct - 09 Nov Wizz Air
27 Oct - 17 Nov Wizz Air UK
29 Oct - 09 Nov Pegasus Airlines
25 Oct - 01 Nov AJet
24 Oct - 09 Nov Icelandair direct

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

Skyscanner

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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