Cheapest return flights from Charleroi to Keflavik in September from $272

Best time to book flights for Charleroi (CRL) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Charleroi (CRL) to Keflavik (KEF) in September 2025 (see full year).

Return flights

02 Sep - 06 Sep Ryanair
13 Sep - 18 Sep Ryanair
02 Sep - 10 Sep Ryanair
02 Sep - 11 Sep Ryanair
03 Sep - 11 Sep Ryanair
09 Sep - 18 Sep Ryanair
12 Sep - 18 Sep Ryanair
09 Sep - 20 Sep Ryanair
02 Sep - 08 Sep Ryanair
09 Sep - 19 Sep Ryanair
24 Sep - 03 Oct Ryanair

Also check the deals for one-way flights from Charleroi 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik