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

Return flights

17 Nov - 22 Nov	Icelandair	direct
18 Nov - 23 Nov	Icelandair	direct
17 Nov - 21 Nov	Icelandair	direct
14 Nov - 20 Nov	Icelandair	direct
15 Nov - 20 Nov	Icelandair	direct
28 Nov - 03 Dec	Icelandair	direct
29 Nov - 03 Dec	Icelandair	direct
10 Nov - 15 Nov	Icelandair	direct
06 Nov - 11 Nov	Icelandair	direct
07 Nov - 11 Nov	Icelandair	direct
20 Nov - 27 Nov	SWISS
20 Nov - 27 Nov	Icelandair	direct
20 Nov - 01 Dec	Icelandair	direct

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

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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Cheapest return flights from Chicago to Keflavik in November from 339€

Return flights