Cheapest return flights from Denver to Keflavik in April from 363€

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

Return flights

02 Apr - 09 Apr Icelandair direct
03 Apr - 10 Apr Icelandair direct
09 Apr - 16 Apr Icelandair direct
13 Apr - 20 Apr Icelandair direct
14 Apr - 22 Apr Icelandair direct
10 Apr - 17 Apr Icelandair direct
05 Apr - 12 Apr KLM
11 Apr - 18 Apr Air France
22 Apr - 29 Apr KLM
12 Apr - 19 Apr Lufthansa

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

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