Cheapest return flights from Denver to Keflavik in March from 480€

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

Return flights

30 Mar - 10 Apr Icelandair direct
30 Mar - 12 Apr Icelandair direct
28 Mar - 01 Apr Icelandair direct
09 Mar - 16 Mar Icelandair direct
05 Mar - 08 Mar Icelandair direct
09 Mar - 30 Mar Icelandair direct
07 Mar - 15 Mar Icelandair direct
30 Mar - 11 Apr Lufthansa
12 Mar - 22 Mar Scandinavian Airlines
06 Mar - 14 Mar Frontier Airlines
13 Mar - 18 Mar Frontier Airlines
12 Mar - 18 Mar Frontier Airlines
23 Mar - 27 Mar Icelandair direct
13 Mar - 20 Mar Alaska Airlines

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

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