Cheapest return flights from Miami to Keflavik in September from 528€

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

10 Sep - 24 Sep jetBlue

Also check the deals for one-way flights from Miami 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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