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

Return flights

31 Dec - 14 Jan	easyJet
05 Dec - 09 Dec	Ryanair
31 Dec - 16 Jan	easyJet
04 Dec - 10 Jan	Ryanair
02 Dec - 11 Dec	Ryanair
06 Dec - 08 Dec	easyJet
01 Dec - 31 Dec	Ryanair
04 Dec - 07 Dec	Ryanair
22 Dec - 10 Jan	Wizz Air
11 Dec - 14 Dec	Ryanair
02 Dec - 01 Jan	Ryanair
13 Dec - 18 Dec	Ryanair
30 Dec - 06 Jan	Ryanair
22 Dec - 01 Jan	Ryanair
22 Dec - 29 Dec	Ryanair
23 Dec - 05 Jan	Ryanair
26 Dec - 31 Dec	Ryanair
26 Dec - 30 Dec	Ryanair
27 Dec - 01 Jan	easyJet
28 Dec - 04 Jan	Ryanair

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

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 Tenerife to Keflavik in December from 179€

Return flights