Cheapest return flights from Basel to Keflavik in December from $489

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

Return flights

27 Dec - 05 Jan British Airways

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

Skyscanner

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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