AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Keflavik (KEF) in December 2025 (see full year).
Return flights
| 02 Dec - 16 Dec | Finnair | ||
| 29 Dec - 07 Jan | Finnair | ||
| 05 Dec - 19 Dec | British Airways | ||
| 22 Dec - 03 Jan | Southwest Airlines | ||
| 25 Dec - 03 Jan | Southwest Airlines | ||
| 27 Dec - 31 Dec | Spirit Airlines |
Also check the deals for one-way flights from Dallas-Fort Worth to Keflavik in December.
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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