Cheapest return flights from Orlando to Keflavik in December from $420

AirHint found the following cheapest return flights from Orlando (MCO) to Keflavik (KEF) in December 2025 (see full year).

Return flights

07 Dec - 16 Dec Frontier Airlines
03 Dec - 10 Dec Spirit Airlines
03 Dec - 08 Dec Spirit Airlines
03 Dec - 11 Dec Spirit Airlines
08 Dec - 15 Dec Spirit Airlines
07 Dec - 15 Dec Frontier Airlines
05 Dec - 07 Dec Spirit Airlines
07 Dec - 15 Dec Icelandair direct
02 Dec - 09 Dec Spirit Airlines
07 Dec - 16 Dec Icelandair direct
24 Dec - 17 Jan Spirit Airlines
08 Dec - 03 Jan Frontier Airlines
27 Dec - 05 Jan Spirit Airlines
25 Dec - 03 Jan Spirit Airlines
08 Dec - 03 Jan Icelandair direct
27 Dec - 05 Jan Icelandair direct
27 Dec - 02 Jan Icelandair

Also check the deals for one-way flights from Orlando to Keflavik in December.

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