AirHint found the following cheapest return flights from Paris (CDG) to Keflavik (KEF) in December 2026 (see full year).

Return flights

01 Dec - 06 Dec	easyJet
05 Dec - 09 Dec	easyJet
14 Dec - 19 Dec	easyJet
15 Dec - 21 Dec	easyJet
21 Dec - 27 Dec	LOT
15 Dec - 21 Dec	Icelandair	direct
17 Dec - 20 Dec	Icelandair	direct
05 Dec - 09 Dec	Icelandair	direct
14 Dec - 19 Dec	Icelandair	direct
16 Dec - 26 Dec	Icelandair	direct
26 Dec - 03 Jan	LOT

Also check the deals for one-way flights from Paris 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 Paris to Keflavik in December from 178€

Return flights