AirHint found the following cheapest one-way flights from Frankfurt (FRA) to Keflavik (KEF) in September 2026 (see full year).
One-Way flights
| 16 Sep | easyJet | ||
| 20 Sep | Ryanair | ||
| 19 Sep | Air France | ||
| 05 Sep | Lufthansa | ||
| 12 Sep | Lufthansa | ||
| 27 Sep | easyJet | ||
| 29 Sep | LOT | ||
| 06 Sep | Lufthansa | direct | |
| 12 Sep | Lufthansa | direct | |
| 20 Sep | Lufthansa | direct |
Also check the deals for return flights from Frankfurt to Keflavik in September.
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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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