Cheapest return flights from Denver to Keflavik in November from $370

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

Return flights

15 Nov - 23 Nov Icelandair direct
01 Nov - 07 Nov Icelandair direct
14 Nov - 22 Nov Icelandair direct
06 Nov - 14 Nov Icelandair direct
07 Nov - 18 Nov Icelandair direct
26 Nov - 03 Dec Icelandair direct
21 Nov - 26 Nov Icelandair direct

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

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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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