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

Return flights

13 Dec - 16 Dec	easyJet	direct
30 Dec - 06 Jan	easyJet	direct
02 Dec - 05 Dec	easyJet
01 Dec - 04 Dec	Jet2	direct
20 Dec - 27 Dec	easyJet	direct
06 Dec - 09 Dec	easyJet
20 Dec - 23 Dec	easyJet	direct
05 Dec - 08 Dec	Ryanair
26 Dec - 30 Dec	Ryanair
30 Dec - 05 Jan	easyJet
30 Dec - 03 Jan	easyJet	direct
06 Dec - 09 Dec	easyJet	direct
31 Dec - 04 Jan	easyJet
29 Dec - 04 Jan	easyJet
29 Dec - 05 Jan	Ryanair
28 Dec - 02 Jan	Ryanair
28 Dec - 03 Jan	Ryanair
28 Dec - 04 Jan	KLM

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

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Birmingham to Keflavik in December from $167

Return flights