AirHint found the following cheapest return flights from Rotterdam (RTM) to Keflavik (KEF) in December 2025 (see full year).
Return flights
| 07 Dec - 10 Dec | transavia | ||
| 03 Dec - 06 Dec | transavia | ||
| 03 Dec - 07 Dec | transavia | ||
| 30 Dec - 05 Jan | transavia | ||
| 24 Dec - 27 Dec | transavia | ||
| 26 Dec - 01 Jan | transavia |
Also check the deals for one-way flights from Rotterdam 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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