Cheapest return flights from Chicago to Keflavik in February from $406

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 February 2025 (see full year).

Return flights

19 Feb - 26 Feb Frontier Airlines
22 Feb - 24 Feb Frontier Airlines
03 Feb - 10 Feb Frontier Airlines
21 Feb - 24 Feb Frontier Airlines
03 Feb - 09 Feb Frontier Airlines
07 Feb - 11 Feb Frontier Airlines
14 Feb - 18 Feb Frontier Airlines
25 Feb - 03 Mar Frontier Airlines
10 Feb - 20 Feb Frontier Airlines
02 Feb - 04 Feb Allegiant Air
14 Feb - 17 Feb Frontier Airlines

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

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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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