Cheapest return flights from Orlando to Keflavik in September from $432

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

Return flights

20 Sep - 28 Sep Icelandair direct
11 Sep - 18 Sep Frontier Airlines
19 Sep - 26 Sep Frontier Airlines
17 Sep - 01 Oct Frontier Airlines
20 Sep - 29 Sep Spirit Airlines
10 Sep - 19 Sep jetBlue
02 Sep - 10 Sep Spirit Airlines
15 Sep - 19 Sep Spirit Airlines
19 Sep - 27 Sep Spirit Airlines
01 Sep - 30 Sep Air France
04 Sep - 14 Oct Icelandair direct
19 Sep - 31 Oct Air Canada
19 Sep - 03 Oct Spirit Airlines

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

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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