Cheapest return flights from Washington to Keflavik in January from 456€

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

Return flights

31 Jan - 07 Feb Lufthansa
29 Jan - 01 Feb Lufthansa
22 Jan - 27 Jan SWISS
28 Jan - 04 Feb Icelandair direct
21 Jan - 27 Jan Lufthansa
29 Jan - 02 Feb Icelandair direct
31 Jan - 07 Feb Icelandair direct
30 Jan - 05 Feb Icelandair direct
22 Jan - 29 Jan Lufthansa
22 Jan - 24 Jan Lufthansa
27 Jan - 01 Feb Scandinavian Airlines
26 Jan - 31 Jan Lufthansa
26 Jan - 30 Jan Icelandair direct
21 Jan - 28 Jan Icelandair direct
23 Jan - 28 Jan TAP
26 Jan - 31 Jan Icelandair direct
24 Jan - 28 Jan Icelandair direct
29 Jan - 01 Feb Icelandair direct
30 Jan - 01 Feb Icelandair direct
27 Jan - 01 Feb Icelandair direct

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

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