Cheapest return ORD–KEF flights, October

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

Return flights

03 Oct - 17 Oct Icelandair direct
18 Oct - 28 Oct Icelandair direct
02 Oct - 09 Oct Icelandair direct
31 Oct - 14 Nov Icelandair direct
21 Oct - 08 Nov Icelandair direct
01 Oct - 08 Oct Icelandair direct
13 Oct - 27 Oct Icelandair direct
06 Oct - 13 Oct Icelandair direct

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

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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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