Cheapest one-way flights from Frankfurt to Keflavik in September from 109€

Best time to book flights for Frankfurt (FRA) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest one-way flights from Frankfurt (FRA) to Keflavik (KEF) in September 2025 (see full year).

One-Way flights

11 Sep Ryanair
27 Sep Ryanair
26 Sep Ryanair
28 Sep Ryanair
07 Sep Ryanair
08 Sep Ryanair
07 Sep Icelandair direct
13 Sep Icelandair direct
08 Sep Icelandair direct
26 Sep Icelandair direct

Also check the deals for return flights from Frankfurt 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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