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

Return flights

14 Jan - 20 Jan	easyJet
20 Jan - 27 Jan	easyJet
20 Jan - 25 Jan	easyJet
31 Jan - 07 Feb	easyJet
18 Jan - 24 Jan	easyJet
08 Jan - 13 Jan	easyJet
09 Jan - 17 Jan	easyJet
08 Jan - 16 Jan	easyJet
19 Jan - 25 Jan	easyJet
05 Jan - 13 Jan	easyJet
02 Jan - 14 Jan	easyJet
31 Jan - 07 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 110€

Return flights