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

Return flights

10 Dec - 17 Dec	transavia	direct
11 Dec - 15 Dec	transavia	direct
12 Dec - 15 Dec	transavia	direct
12 Dec - 18 Dec	transavia	direct
11 Dec - 18 Dec	transavia	direct
12 Dec - 17 Dec	transavia	direct
10 Dec - 18 Dec	transavia	direct
11 Dec - 17 Dec	transavia	direct
10 Dec - 15 Dec	transavia	direct
03 Dec - 04 Dec	transavia	direct
05 Dec - 11 Jan	transavia
09 Dec - 09 Jan	easyJet
31 Dec - 07 Jan	easyJet
31 Dec - 08 Jan	easyJet
31 Dec - 07 Jan	transavia	direct
09 Dec - 09 Jan	Icelandair	direct
30 Dec - 07 Jan	KLM
05 Dec - 11 Jan	Icelandair	direct
30 Dec - 08 Jan	KLM
29 Dec - 08 Jan	transavia	direct

Also check the deals for one-way flights from Amsterdam 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 Amsterdam to Keflavik in December from 154€

Return flights