Cheapest return flights from Chicago to Keflavik in September from 498€

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

Return flights

25 Sep - 02 Oct Icelandair direct
13 Sep - 20 Sep Icelandair direct
02 Sep - 09 Sep Icelandair direct
18 Sep - 27 Sep Icelandair direct
04 Sep - 13 Sep Icelandair direct
18 Sep - 25 Sep Icelandair direct
14 Sep - 21 Sep Scandinavian Airlines
03 Sep - 10 Sep Scandinavian Airlines
24 Sep - 01 Oct Scandinavian Airlines
07 Sep - 14 Sep Scandinavian Airlines
07 Sep - 14 Sep Icelandair direct
24 Sep - 30 Sep Icelandair direct
24 Sep - 01 Oct Icelandair direct

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

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