Cheapest return flights from Chicago to Keflavik in February from 611€

AirHint found the following cheapest return flights from Chicago (MDW) to Keflavik (KEF) in February 2026 (see full year).

Return flights

20 Feb - 28 Feb Frontier Airlines
28 Feb - 04 Mar Frontier Airlines
05 Feb - 13 Feb Southwest Airlines
25 Feb - 04 Mar Southwest Airlines
19 Feb - 23 Feb Southwest Airlines
21 Feb - 01 Mar Southwest Airlines
25 Feb - 01 Mar Southwest Airlines
06 Feb - 09 Feb Southwest Airlines
28 Feb - 07 Mar Southwest Airlines
23 Feb - 01 Mar Southwest Airlines
24 Feb - 01 Mar Southwest Airlines
23 Feb - 03 Mar Southwest Airlines
20 Feb - 23 Feb Southwest Airlines
25 Feb - 05 Mar Southwest Airlines
27 Feb - 06 Mar Southwest Airlines
16 Feb - 20 Feb Southwest Airlines
17 Feb - 25 Feb Southwest Airlines
16 Feb - 21 Feb Southwest Airlines
12 Feb - 16 Feb Porter Airlines (Canada) Ltd
13 Feb - 15 Feb Southwest Airlines

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

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