Cheapest return flights from Dallas-Fort Worth to Keflavik in December from 584€

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

Return flights

12 Dec - 19 Dec Spirit Airlines
13 Dec - 20 Dec Spirit Airlines
11 Dec - 18 Dec Spirit Airlines
10 Dec - 27 Dec Frontier Airlines
14 Dec - 21 Dec Spirit Airlines
04 Dec - 11 Dec Spirit Airlines
10 Dec - 17 Dec Spirit Airlines
15 Dec - 22 Dec Spirit Airlines
10 Dec - 22 Dec Frontier Airlines
03 Dec - 10 Dec Frontier Airlines
31 Dec - 07 Jan Spirit Airlines
29 Dec - 07 Jan Spirit Airlines
30 Dec - 06 Jan Spirit Airlines
29 Dec - 05 Jan Spirit Airlines
31 Dec - 04 Jan Spirit Airlines

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

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