AirHint found the following cheapest one-way flights from Porto (OPO) to Keflavik (KEF) in December 2025 (see full year).
One-Way flights
| 15 Dec | easyJet | ||
| 08 Dec | easyJet | ||
| 16 Dec | easyJet | ||
| 07 Dec | easyJet | ||
| 10 Dec | easyJet | ||
| 21 Dec | Wizz Air | ||
| 19 Dec | Wizz Air Malta | ||
| 25 Dec | KLM | ||
| 29 Dec | Scandinavian Airlines | ||
| 26 Dec | Scandinavian Airlines |
Also check the deals for return flights from Porto to Keflavik in December.
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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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