Cheapest return flights from Denver to Keflavik in May from 551€

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 May 2025 (see full year).

Return flights

03 May - 16 May jetBlue
03 May - 16 May Icelandair direct
15 May - 03 Jun Icelandair direct
28 May - 07 Jun Icelandair direct

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

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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