Cheapest return flights from Washington to Keflavik in April from $472

Best time to book flights for Washington (IAD) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Keflavik (KEF) in April 2025 (see full year).

Return flights

22 Apr - 29 Apr Icelandair direct
19 Apr - 26 Apr Icelandair direct
22 Apr - 26 Apr Icelandair direct
23 Apr - 29 Apr Icelandair direct
07 Apr - 14 Apr Icelandair direct
08 Apr - 15 Apr Icelandair direct
29 Apr - 03 May Icelandair direct
19 Apr - 27 Apr Icelandair direct
23 Apr - 30 Apr Icelandair direct
21 Apr - 29 Apr Icelandair direct
15 Apr - 24 Apr Icelandair direct
30 Apr - 04 May Icelandair direct
27 Apr - 01 May Icelandair direct

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

Skyscanner

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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