Cheapest return flights from Chicago to Keflavik in October from 503€

Best time to book flights for Chicago (ORD) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Keflavik (KEF) in October 2025 (see full year).

Return flights

30 Oct - 07 Nov British Airways
28 Oct - 07 Nov jetBlue
15 Oct - 19 Oct jetBlue
06 Oct - 16 Oct KLM
21 Oct - 29 Oct jetBlue
21 Oct - 31 Oct jetBlue
22 Oct - 01 Nov jetBlue
29 Oct - 06 Nov jetBlue
27 Oct - 04 Nov jetBlue
29 Oct - 04 Nov jetBlue
27 Oct - 04 Nov Icelandair direct
29 Oct - 08 Nov jetBlue
21 Oct - 29 Oct Icelandair direct
19 Oct - 27 Oct Icelandair direct
21 Oct - 31 Oct Icelandair direct
28 Oct - 05 Nov Icelandair direct
29 Oct - 04 Nov Icelandair direct
06 Oct - 16 Oct Icelandair direct
14 Oct - 23 Oct Icelandair direct
01 Oct - 08 Oct Icelandair direct

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

Skyscanner

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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