Cheapest return flights from Chicago to Keflavik in April from 409€

Best time to book flights for Chicago (ORD) to Keflavik (KEF) flights at AirHint

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

Return flights

08 Apr - 14 Apr Spirit Airlines
05 Apr - 14 Apr Spirit Airlines
24 Apr - 01 May Spirit Airlines
01 Apr - 07 Apr Spirit Airlines
29 Apr - 07 May Spirit Airlines
06 Apr - 13 Apr Spirit Airlines
16 Apr - 25 Apr Spirit Airlines
13 Apr - 24 Apr Icelandair direct
16 Apr - 21 Apr Icelandair direct
20 Apr - 26 Apr Icelandair direct
19 Apr - 24 Apr Icelandair direct
14 Apr - 23 Apr Spirit Airlines
27 Apr - 03 May Spirit Airlines
25 Apr - 01 May Icelandair direct
24 Apr - 01 May Icelandair direct
29 Apr - 07 May Icelandair direct
30 Apr - 06 May Air France
21 Apr - 01 May Air France
21 Apr - 01 May Icelandair direct
26 Apr - 04 May Air France

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

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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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