Cheapest return flights from Denver to Keflavik in August from 518€

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

Return flights

17 Aug - 10 Sep Icelandair direct
11 Aug - 23 Aug Icelandair direct
14 Aug - 22 Aug Air Canada
05 Aug - 19 Aug Lufthansa
10 Aug - 17 Aug Lufthansa
04 Aug - 13 Aug Lufthansa
05 Aug - 19 Aug Icelandair direct
08 Aug - 10 Aug WestJet
08 Aug - 10 Aug Icelandair direct
04 Aug - 13 Aug Icelandair direct

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

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