Cheapest return flights from Denver to Keflavik in October from 520€

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

Return flights

08 Oct - 17 Oct Icelandair direct
30 Oct - 05 Nov Icelandair direct

Also check the deals for one-way flights from Denver 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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