Cheapest one-way flights from Denver to Keflavik in June from $403

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

AirHint found the following cheapest one-way flights from Denver (DEN) to Keflavik (KEF) in June 2025 (see full year).

One-Way flights

11 Jun Air Canada
11 Jun Icelandair direct
27 Jun Icelandair direct

Also check the deals for return flights from Denver to Keflavik in June.

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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