Cheapest return flights from Washington to Keflavik in January from 317€

AirHint found the following cheapest return flights from Washington (IAD) to Keflavik (KEF) in January 2026 (see full year).

Return flights

17 Jan - 22 Jan Icelandair direct
18 Jan - 23 Jan Icelandair direct
11 Jan - 15 Jan Icelandair direct
07 Jan - 21 Jan Icelandair direct
10 Jan - 16 Jan Icelandair direct
07 Jan - 31 Jan Icelandair direct
12 Jan - 17 Jan Icelandair direct
28 Jan - 01 Feb Icelandair direct
13 Jan - 18 Jan Icelandair direct
16 Jan - 21 Jan Icelandair direct
08 Jan - 12 Jan Icelandair direct
15 Jan - 07 Feb SWISS
15 Jan - 07 Feb Icelandair direct

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

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