AirHint found the following cheapest return flights from Tenerife (TFS) to Keflavik (KEF) in December 2025 (see full year).
Return flights
| 12 Dec - 15 Dec | easyJet | ||
| 04 Dec - 09 Dec | easyJet | ||
| 13 Dec - 16 Dec | easyJet | ||
| 04 Dec - 09 Dec | Fly Play | direct | |
| 30 Dec - 07 Jan | Iberia Express | ||
| 13 Dec - 16 Dec | Fly Play | direct | |
| 30 Dec - 07 Jan | Fly Play | direct |
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.
Find us on social media