Cheapest return flights from Frankfurt to Keflavik in October from $221

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

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

Return flights

12 Oct - 16 Oct Ryanair
30 Oct - 10 Nov Ryanair
13 Oct - 16 Oct Ryanair
06 Oct - 10 Oct Ryanair
04 Oct - 08 Oct Ryanair
11 Oct - 15 Oct Ryanair
18 Oct - 22 Oct Ryanair
11 Oct - 22 Oct Ryanair
16 Oct - 20 Oct Ryanair
02 Oct - 06 Oct Ryanair
02 Oct - 13 Oct Ryanair
30 Oct - 03 Nov LOT
20 Oct - 01 Nov Ryanair
27 Oct - 03 Nov Icelandair direct
30 Oct - 03 Nov Icelandair direct
20 Oct - 01 Nov Icelandair direct

Also check the deals for one-way flights from Frankfurt to Keflavik in October.

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik