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

Return flights

20 Jan - 28 Jan	easyJet
21 Jan - 24 Jan	easyJet
14 Jan - 20 Jan	easyJet
29 Jan - 08 Feb	easyJet
16 Jan - 20 Jan	easyJet
20 Jan - 30 Jan	easyJet
14 Jan - 23 Jan	easyJet
26 Jan - 31 Jan	easyJet
13 Jan - 20 Jan	Icelandair
16 Jan - 23 Jan	easyJet
17 Jan - 24 Jan	easyJet
27 Jan - 01 Feb	easyJet
29 Jan - 08 Feb	Icelandair	direct
27 Jan - 01 Feb	Icelandair	direct

Also check the deals for one-way flights from Keflavik to Tenerife 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 Keflavik to Tenerife in January from $181

Return flights