Cheapest return flights from Chicago to Keflavik in April from $444

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

Return flights

17 Apr - 26 Apr Icelandair direct
17 Apr - 22 Apr Icelandair direct
17 Apr - 24 Apr Icelandair direct
14 Apr - 20 Apr Icelandair direct
21 Apr - 30 Apr Icelandair direct
13 Apr - 20 Apr Icelandair direct
28 Apr - 05 May Icelandair direct
28 Apr - 05 May Spirit Airlines
22 Apr - 30 Apr Icelandair direct
21 Apr - 28 Apr Icelandair direct
12 Apr - 19 Apr Icelandair direct
16 Apr - 20 Apr Icelandair direct
29 Apr - 02 May Scandinavian Airlines
29 Apr - 02 May Icelandair direct

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

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