Cheapest return flights from Miami to Keflavik in October from $520

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 October 2025 (see full year).

Return flights

30 Oct - 06 Nov Spirit Airlines
23 Oct - 30 Oct Spirit Airlines
10 Oct - 17 Oct Spirit Airlines
02 Oct - 09 Oct Spirit Airlines
13 Oct - 20 Oct Spirit Airlines
05 Oct - 12 Oct Spirit Airlines
12 Oct - 19 Oct Spirit Airlines
07 Oct - 14 Oct Spirit Airlines
06 Oct - 13 Oct Spirit Airlines
11 Oct - 14 Oct Spirit Airlines
08 Oct - 15 Oct Air France

Also check the deals for one-way flights from Miami to Keflavik in October.

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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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