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

Return flights

07 Dec - 11 Dec	easyJet	direct
02 Dec - 04 Dec	easyJet	direct
23 Dec - 30 Dec	easyJet	direct
02 Dec - 07 Dec	easyJet	direct
04 Dec - 09 Dec	easyJet
11 Dec - 14 Dec	Ryanair
11 Dec - 14 Dec	easyJet	direct
04 Dec - 07 Dec	easyJet
04 Dec - 09 Dec	easyJet	direct
05 Dec - 07 Dec	easyJet
30 Dec - 01 Jan	easyJet	direct
27 Dec - 01 Jan	easyJet
27 Dec - 02 Jan	easyJet

Also check the deals for one-way flights from Bristol 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 Bristol to Keflavik in December from 170€

Return flights