Cheapest return flights from Chicago to Keflavik in December from $360

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

Return flights

01 Dec - 08 Dec Icelandair direct
01 Dec - 09 Dec Icelandair direct
01 Dec - 06 Dec Icelandair direct
15 Dec - 22 Dec Icelandair direct
07 Dec - 14 Dec Icelandair direct
15 Dec - 10 Jan Icelandair direct
07 Dec - 13 Dec Icelandair direct
14 Dec - 18 Dec Icelandair direct
17 Dec - 24 Dec Icelandair direct
18 Dec - 23 Dec Icelandair direct
17 Dec - 22 Dec Icelandair direct
31 Dec - 04 Jan Scandinavian Airlines
20 Dec - 01 Jan Icelandair direct
27 Dec - 04 Jan Scandinavian Airlines
18 Dec - 04 Jan Sun Country Airlines
30 Dec - 04 Jan Icelandair
18 Dec - 04 Jan Icelandair direct

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.