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

Return flights

12 Dec - 15 Dec	Vueling Airlines
13 Dec - 16 Dec	canaryfly
04 Dec - 06 Dec	Vueling Airlines
06 Dec - 13 Dec	Iberia Express
21 Dec - 30 Dec	canaryfly
05 Dec - 09 Dec	Vueling Airlines
06 Dec - 08 Dec	Binter Canarias

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 232€

Return flights