Cheapest return flights from Chicago to Keflavik in January from $391

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

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

Return flights

19 Jan - 27 Jan Frontier Airlines
13 Jan - 25 Jan Frontier Airlines
17 Jan - 26 Jan Frontier Airlines
22 Jan - 29 Jan Frontier Airlines
17 Jan - 20 Jan Frontier Airlines
08 Jan - 15 Jan Frontier Airlines
14 Jan - 22 Jan Frontier Airlines
08 Jan - 14 Jan Frontier Airlines
07 Jan - 14 Jan Porter Airlines (Canada) Ltd
21 Jan - 25 Jan Porter Airlines (Canada) Ltd
28 Jan - 03 Feb Porter Airlines (Canada) Ltd

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

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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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