Cheapest return flights from Chicago to Keflavik in April from $502

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

13 Apr - 22 Apr Frontier Airlines
01 Apr - 07 Apr Spirit Airlines
19 Apr - 28 Apr Icelandair direct
13 Apr - 22 Apr Icelandair direct
11 Apr - 16 Apr Icelandair direct
13 Apr - 18 Apr Icelandair direct
13 Apr - 21 Apr Icelandair direct
11 Apr - 21 Apr Icelandair direct
11 Apr - 15 Apr Icelandair direct
15 Apr - 22 Apr Icelandair direct
29 Apr - 05 May Spirit Airlines
23 Apr - 02 May Icelandair direct
27 Apr - 05 May Icelandair direct
25 Apr - 02 May Icelandair direct
28 Apr - 04 May Icelandair direct
29 Apr - 05 May Icelandair direct
25 Apr - 06 May Icelandair direct
27 Apr - 03 May Icelandair direct
26 Apr - 06 May Icelandair direct

Also check the deals for one-way flights from Chicago 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik