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

Return flights

01 Dec - 08 Dec	transavia	direct
04 Dec - 10 Dec	transavia	direct
08 Dec - 11 Dec	transavia	direct
07 Dec - 11 Dec	transavia	direct
04 Dec - 05 Dec	transavia	direct
04 Dec - 08 Dec	transavia	direct
12 Dec - 18 Dec	transavia	direct
01 Dec - 04 Dec	transavia	direct
15 Dec - 19 Dec	transavia	direct
12 Dec - 17 Dec	transavia	direct
31 Dec - 07 Jan	transavia	direct
23 Dec - 07 Jan	easyJet
17 Dec - 07 Jan	easyJet
18 Dec - 07 Jan	easyJet
24 Dec - 07 Jan	easyJet
21 Dec - 07 Jan	easyJet
22 Dec - 07 Jan	easyJet
24 Dec - 01 Jan	easyJet
21 Dec - 01 Jan	easyJet
20 Dec - 07 Jan	easyJet

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 $175

Return flights