Cheapest return flights from Chicago to Keflavik in March from 346€

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

Return flights

29 Mar - 07 Apr Icelandair direct
31 Mar - 07 Apr Icelandair direct
23 Mar - 30 Mar Icelandair direct
26 Mar - 30 Mar Icelandair direct
28 Mar - 02 Apr Icelandair direct
10 Mar - 17 Mar jetBlue
30 Mar - 06 Apr jetBlue
17 Mar - 24 Mar jetBlue
11 Mar - 18 Mar jetBlue
20 Mar - 27 Mar jetBlue
12 Mar - 19 Mar Scandinavian Airlines
09 Mar - 15 Mar Scandinavian Airlines
18 Mar - 25 Mar jetBlue
09 Mar - 16 Mar Icelandair direct
27 Mar - 05 Apr Icelandair direct
30 Mar - 06 Apr Icelandair direct

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

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