Cheapest return flights from Washington to Keflavik in December from 1236€

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

Return flights

27 Dec - 10 Jan jetBlue
30 Dec - 06 Jan jetBlue
28 Dec - 30 Dec WestJet
28 Dec - 02 Jan Air Canada
26 Dec - 30 Dec WestJet
30 Dec - 04 Jan Icelandair
30 Dec - 03 Jan Icelandair
29 Dec - 03 Jan Air Canada
28 Dec - 03 Jan Icelandair
26 Dec - 03 Jan Air Canada

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

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