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

Return flights

02 Nov - 09 Nov	Spirit Airlines
07 Nov - 14 Nov	Spirit Airlines
08 Nov - 15 Nov	Spirit Airlines
10 Nov - 17 Nov	Spirit Airlines
16 Nov - 23 Nov	Spirit Airlines
05 Nov - 12 Nov	Spirit Airlines
13 Nov - 20 Nov	Frontier Airlines
15 Nov - 22 Nov	Spirit Airlines
09 Nov - 16 Nov	Spirit Airlines
12 Nov - 19 Nov	Spirit Airlines
25 Nov - 02 Dec	British Airways
26 Nov - 03 Dec	British Airways
29 Nov - 06 Dec	British Airways
24 Nov - 01 Dec	Scandinavian Airlines

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

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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Cheapest return flights from Miami to Keflavik in November from 456€

Return flights