Cheapest return flights from Washington to Keflavik in January from $483

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

Return flights

14 Jan - 18 Jan Scandinavian Airlines
26 Jan - 02 Feb Icelandair direct
05 Jan - 20 Jan Icelandair direct
17 Jan - 24 Jan Icelandair direct
13 Jan - 20 Jan Icelandair direct
14 Jan - 21 Jan Icelandair direct
19 Jan - 26 Jan Icelandair direct
22 Jan - 26 Jan Icelandair direct
27 Jan - 03 Feb Icelandair direct
09 Jan - 14 Jan Icelandair direct
29 Jan - 01 Feb Scandinavian Airlines
05 Jan - 10 Jan Icelandair direct
29 Jan - 01 Feb Icelandair direct
15 Jan - 18 Jan Icelandair direct
25 Jan - 01 Feb Icelandair direct

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

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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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