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

Return flights

25 Jan - 29 Jan	easyJet
18 Jan - 22 Jan	easyJet
14 Jan - 20 Jan	easyJet
18 Jan - 25 Jan	easyJet
25 Jan - 30 Jan	easyJet
25 Jan - 01 Feb	easyJet
18 Jan - 28 Jan	easyJet
23 Jan - 26 Jan	Ryanair
24 Jan - 30 Jan	Ryanair
17 Jan - 19 Jan	Aegean Airlines
24 Jan - 01 Feb	Aegean Airlines
30 Jan - 06 Feb	Ryanair
23 Jan - 29 Jan	easyJet
26 Jan - 01 Feb	Ryanair
23 Jan - 01 Feb	Ryanair

Also check the deals for one-way flights from Thessaloniki 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 Thessaloniki to Keflavik in January from 151€

Return flights