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

Return flights

02 Dec - 04 Dec	easyJet	direct
16 Dec - 18 Dec	easyJet	direct
14 Dec - 18 Dec	easyJet	direct
09 Dec - 14 Dec	easyJet	direct
05 Dec - 09 Dec	easyJet
09 Dec - 12 Dec	Icelandair	direct
01 Dec - 06 Dec	easyJet
04 Dec - 07 Dec	easyJet	direct
16 Dec - 21 Dec	easyJet
16 Dec - 21 Dec	easyJet	direct
28 Dec - 01 Jan	easyJet	direct
30 Dec - 01 Jan	easyJet
30 Dec - 01 Jan	easyJet	direct
29 Dec - 01 Jan	easyJet
31 Dec - 03 Jan	Ryanair
30 Dec - 02 Jan	Icelandair

Also check the deals for one-way flights from Edinburgh 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 Edinburgh to Keflavik in December from $132

Return flights