AirHint found the following cheapest return flights from Basel (BSL) to Keflavik (KEF) in January 2026 (see full year).

Return flights

19 Jan - 23 Jan	Wizz Air
20 Jan - 27 Jan	Wizz Air
25 Jan - 03 Feb	Wizz Air
27 Jan - 01 Feb	Wizz Air
17 Jan - 24 Jan	Ryanair
16 Jan - 22 Jan	easyJet
15 Jan - 22 Jan	easyJet
06 Jan - 11 Jan	Wizz Air
16 Jan - 27 Jan	easyJet
01 Jan - 10 Jan	Wizz Air
04 Jan - 09 Jan	Wizz Air
11 Jan - 18 Jan	easyJet
31 Jan - 07 Feb	Ryanair
01 Jan - 01 Feb	easyJet
31 Jan - 04 Feb	easyJet

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

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 Basel to Keflavik in January from $209

Return flights