Cheapest return flights from Denver to Keflavik in November from 421€

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

Return flights

30 Nov - 08 Dec Icelandair direct
13 Nov - 06 Dec Icelandair direct
10 Nov - 06 Dec Icelandair direct
11 Nov - 06 Dec Icelandair direct
12 Nov - 19 Nov Icelandair direct
13 Nov - 17 Nov Icelandair direct
09 Nov - 13 Nov Icelandair direct
11 Nov - 13 Nov Icelandair direct
12 Nov - 06 Dec Icelandair direct
14 Nov - 18 Nov Lufthansa
15 Nov - 23 Nov Frontier Airlines
29 Nov - 08 Dec Frontier Airlines
22 Nov - 13 Dec Frontier Airlines
21 Nov - 13 Dec Frontier Airlines
20 Nov - 13 Dec Frontier Airlines
20 Nov - 23 Nov Frontier Airlines
21 Nov - 23 Nov Frontier Airlines
22 Nov - 29 Nov Frontier Airlines
09 Nov - 29 Nov Frontier Airlines

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

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