Cheapest return flights from Washington to Keflavik in April from 280€

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

Return flights

19 Apr - 26 Apr Icelandair direct
13 Apr - 20 Apr Icelandair direct
15 Apr - 22 Apr Icelandair direct
27 Apr - 04 May Icelandair direct
24 Apr - 01 May Icelandair direct
26 Apr - 03 May Icelandair direct
06 Apr - 13 Apr Icelandair direct
09 Apr - 16 Apr Icelandair direct
25 Apr - 02 May Icelandair direct
12 Apr - 19 Apr Icelandair direct
13 Apr - 18 Apr Icelandair direct
04 Apr - 09 Apr Icelandair direct
02 Apr - 07 Apr Icelandair direct
10 Apr - 17 Apr 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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