Cheapest return flights from Washington to Keflavik in April from 361€

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

Return flights

13 Apr - 20 Apr Icelandair direct
21 Apr - 28 Apr Icelandair direct
18 Apr - 25 Apr Icelandair direct
23 Apr - 30 Apr Icelandair direct
12 Apr - 19 Apr Scandinavian Airlines
22 Apr - 29 Apr Icelandair direct
16 Apr - 20 Apr Icelandair direct
12 Apr - 19 Apr Icelandair direct
15 Apr - 19 Apr Scandinavian Airlines
23 Apr - 26 Apr Icelandair direct
24 Apr - 03 May Icelandair direct
23 Apr - 11 May Icelandair direct
01 Apr - 01 May Icelandair direct

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

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