Cheapest return flights from Miami to Keflavik in October from $477

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

Return flights

06 Oct - 13 Oct Spirit Airlines
01 Oct - 06 Oct KLM
01 Oct - 07 Oct Air France
11 Oct - 20 Oct Air France
10 Oct - 21 Oct SWISS
02 Oct - 12 Oct Spirit Airlines
08 Oct - 19 Oct jetBlue
29 Oct - 07 Nov British Airways
28 Oct - 05 Nov British Airways
30 Oct - 07 Nov British Airways
25 Oct - 05 Nov British Airways
28 Oct - 03 Nov British Airways
10 Oct - 16 Oct jetBlue
03 Oct - 09 Oct Frontier Airlines
03 Oct - 12 Oct jetBlue
30 Oct - 05 Nov British Airways

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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