Cheapest one-way flights from Denver to Keflavik in March from 214€

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 March 2025 (see full year).

One-Way flights

03 Mar Frontier Airlines
10 Mar Frontier Airlines
05 Mar Frontier Airlines
08 Mar Frontier Airlines
09 Mar Frontier Airlines
22 Mar Frontier Airlines
06 Mar Frontier Airlines
03 Mar Icelandair direct
10 Mar Icelandair direct
06 Mar Icelandair direct

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

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik