Cheapest return flights from Orlando to Keflavik in September from $559

Best time to book flights for Orlando (MCO) to Keflavik (KEF) flights at AirHint

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

Return flights

24 Sep - 01 Oct Spirit Airlines
25 Sep - 02 Oct Breeze Airways
06 Sep - 14 Sep Spirit Airlines
24 Sep - 30 Sep Spirit Airlines
20 Sep - 28 Sep Spirit Airlines
11 Sep - 21 Sep Breeze Airways
27 Sep - 08 Oct Spirit Airlines
01 Sep - 10 Sep Sun Country Airlines
10 Sep - 19 Sep Spirit Airlines
10 Sep - 20 Sep Spirit Airlines
22 Sep - 28 Sep Breeze Airways
07 Sep - 13 Sep Breeze Airways
11 Sep - 20 Sep Spirit Airlines
27 Sep - 08 Oct Icelandair direct
25 Sep - 02 Oct Icelandair direct

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

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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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