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

Return flights

04 Dec - 07 Dec	Wizz Air
05 Dec - 08 Dec	Jet2
10 Dec - 16 Dec	Ryanair
14 Dec - 17 Dec	Jet2
13 Dec - 16 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
22 Dec - 25 Dec	Ryanair
24 Dec - 27 Dec	easyJet
22 Dec - 26 Dec	Ryanair
23 Dec - 26 Dec	Ryanair
29 Dec - 01 Jan	Ryanair
28 Dec - 01 Jan	Ryanair
30 Dec - 02 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 236€

Return flights