Cheapest return flights from Belfast to Keflavik in December from 117€

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

Return flights

06 Dec - 09 Dec easyJet
23 Dec - 27 Dec easyJet
03 Dec - 07 Dec easyJet
20 Dec - 23 Dec easyJet
03 Dec - 07 Dec Jet2 direct

Also check the deals for one-way flights from Belfast to Keflavik in December.

Skyscanner

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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