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

Return flights

11 Dec - 14 Dec	Ryanair
05 Dec - 08 Dec	Jet2
04 Dec - 07 Dec	Wizz Air
03 Dec - 07 Dec	Ryanair
24 Dec - 28 Dec	Ryanair
19 Dec - 22 Dec	Ryanair
19 Dec - 21 Dec	Ryanair
19 Dec - 23 Dec	Ryanair
30 Dec - 04 Jan	Ryanair
19 Dec - 24 Dec	Ryanair
24 Dec - 02 Jan	Ryanair
27 Dec - 03 Jan	Wizz Air
29 Dec - 03 Jan	Ryanair

Also check the deals for one-way flights from Leeds 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.

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Cheapest return flights from Leeds to Keflavik in December from 213€

Return flights