Cheapest return flights from Denver to Keflavik in August from 578€

Best time to book flights for Denver (DEN) to Keflavik (KEF) flights at AirHint

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

Return flights

19 Aug - 27 Aug Icelandair direct
19 Aug - 26 Aug Icelandair direct
03 Aug - 11 Aug Icelandair direct
05 Aug - 13 Aug Icelandair direct
01 Aug - 08 Aug Icelandair direct

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

Skyscanner

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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