AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Keflavik (KEF) in March 2025 (see full year).
31 Mar - 08 Apr | Frontier Airlines | ||
11 Mar - 16 Mar | Frontier Airlines | ||
24 Mar - 29 Mar | Frontier Airlines | ||
29 Mar - 05 Apr | jetBlue | ||
30 Mar - 06 Apr | Alaska Airlines |
Also check the deals for one-way flights from Dallas-Fort Worth to Keflavik in March.
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.