Cheapest return flights from Dallas-Fort Worth to Keflavik in December from $620

Best time to book flights for Dallas-Fort Worth (DFW) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Keflavik (KEF) in December 2025 (see full year).

Return flights

08 Dec - 15 Dec Finnair
09 Dec - 16 Dec Finnair
31 Dec - 08 Jan Finnair
03 Dec - 10 Dec British Airways
04 Dec - 11 Dec Finnair
07 Dec - 14 Dec British Airways
29 Dec - 05 Jan Finnair
05 Dec - 12 Dec British Airways
30 Dec - 07 Jan Finnair
06 Dec - 13 Dec British Airways
16 Dec - 23 Dec Finnair
28 Dec - 05 Jan Finnair
15 Dec - 22 Dec Finnair
28 Dec - 04 Jan jetBlue
22 Dec - 29 Dec jetBlue
27 Dec - 04 Jan jetBlue
26 Dec - 03 Jan jetBlue

Also check the deals for one-way flights from Dallas-Fort Worth to Keflavik in December.

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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