Cheapest return flights from Denver to Keflavik in March from 493€

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

Return flights

06 Mar - 13 Mar Icelandair direct
16 Mar - 23 Mar Icelandair direct
19 Mar - 26 Mar Icelandair direct
23 Mar - 30 Mar Icelandair direct
26 Mar - 02 Apr Icelandair direct
27 Mar - 03 Apr Icelandair direct
25 Mar - 01 Apr Finnair
20 Mar - 27 Mar Icelandair direct
29 Mar - 05 Apr Lufthansa
17 Mar - 24 Mar jetBlue
12 Mar - 19 Mar Icelandair direct
18 Mar - 25 Mar jetBlue
14 Mar - 21 Mar jetBlue
22 Mar - 29 Mar jetBlue
13 Mar - 04 Apr Icelandair

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.