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

Return flights

28 Jan - 04 Feb	AJet
24 Jan - 29 Jan	Pegasus Airlines
24 Jan - 28 Jan	Pegasus Airlines
31 Jan - 04 Feb	AJet
19 Jan - 29 Jan	AJet
12 Jan - 16 Jan	AJet
19 Jan - 25 Jan	Pegasus Airlines
29 Jan - 02 Feb	Pegasus Airlines
23 Jan - 15 Feb	Pegasus Airlines
26 Jan - 29 Jan	Pegasus Airlines
12 Jan - 19 Jan	AJet
13 Jan - 16 Jan	AJet
16 Jan - 22 Jan	AJet
16 Jan - 19 Jan	Pegasus Airlines
31 Jan - 07 Feb	Pegasus Airlines
28 Jan - 03 Feb	AJet
23 Jan - 03 Feb	AJet
26 Jan - 03 Feb	Pegasus Airlines
24 Jan - 01 Feb	Pegasus Airlines
26 Jan - 02 Feb	Pegasus Airlines

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

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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Cheapest return flights from Istanbul to Keflavik in January from 226€

Return flights