Cheapest return ORD–KEF flights, August

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

Return flights

19 Aug - 26 Aug Icelandair direct
17 Aug - 24 Aug Icelandair direct
22 Aug - 30 Aug Icelandair direct
20 Aug - 30 Aug Icelandair direct
19 Aug - 30 Aug Icelandair direct
28 Aug - 07 Sep Icelandair direct
13 Aug - 20 Aug Icelandair direct
14 Aug - 21 Aug Icelandair direct
16 Aug - 23 Aug Icelandair direct
13 Aug - 22 Aug Icelandair direct
11 Aug - 25 Aug United
24 Aug - 15 Sep WestJet
24 Aug - 15 Sep Brussels Airlines direct

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

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