Cheapest return flights from Washington to Keflavik in April from 471€

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

Return flights

21 Apr - 27 Apr Icelandair direct
29 Apr - 04 May Icelandair direct
24 Apr - 26 Apr Icelandair direct
24 Apr - 27 Apr Icelandair direct
13 Apr - 20 Apr Air France
30 Apr - 04 May Air France
14 Apr - 16 Apr Icelandair direct
24 Apr - 12 May Air France
22 Apr - 24 Apr Icelandair direct
24 Apr - 12 May Icelandair direct
12 Apr - 16 Apr Icelandair direct
16 Apr - 20 Apr Austrian Airlines
16 Apr - 19 Apr Austrian Airlines
15 Apr - 18 Apr Lufthansa
27 Apr - 14 May British Airways
24 Apr - 05 May British Airways

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

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