Cheapest return flights from Miami to Keflavik in September from $494

Best time to book flights for Miami (MIA) to Keflavik (KEF) flights at AirHint

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

Return flights

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30 Sep - 07 Oct jetBlue
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25 Sep - 08 Oct jetBlue
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27 Sep - 04 Oct jetBlue
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29 Sep - 06 Oct jetBlue
25 Sep - 02 Oct jetBlue
28 Sep - 05 Oct jetBlue

Also check the deals for one-way flights from Miami 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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