Cheapest one-way flights from Chicago to Keflavik in December from 409€

AirHint found the following cheapest one-way flights from Chicago (ORD) to Keflavik (KEF) in December 2025 (see full year).

One-Way flights

29 Dec Icelandair direct
28 Dec SWISS
24 Dec Lufthansa
27 Dec Sun Country Airlines
27 Dec Icelandair direct
24 Dec Icelandair direct
25 Dec SWISS
26 Dec Lufthansa
28 Dec Icelandair direct
25 Dec Icelandair direct

Also check the deals for return flights from Chicago to Keflavik in December.

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