Cheapest return flights from Istanbul to Keflavik in December from 191€

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

Return flights

06 Dec - 09 Dec Wizz Air UK
15 Dec - 30 Dec Wizz Air UK
05 Dec - 08 Dec Wizz Air
06 Dec - 10 Dec Wizz Air UK
05 Dec - 12 Dec Wizz Air
08 Dec - 11 Dec easyJet
05 Dec - 15 Dec Wizz Air
01 Dec - 10 Dec Wizz Air UK
01 Dec - 08 Dec Wizz Air UK
05 Dec - 13 Dec Wizz Air
29 Dec - 05 Jan KLM
26 Dec - 03 Jan AJet
29 Dec - 02 Jan KLM
28 Dec - 03 Jan Wizz Air UK

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

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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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