AirHint found the following cheapest return flights from Orlando (MCO) to Keflavik (KEF) in September 2026 (see full year).
Return flights
| 17 Sep - 01 Oct | Delta | ||
| 06 Sep - 10 Oct | Icelandair | direct | |
| 04 Sep - 07 Sep | Spirit Airlines | ||
| 05 Sep - 08 Sep | Icelandair | direct |
Also check the deals for one-way flights from Orlando to Keflavik in September.
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