Cheapest return flights from Stuttgart to Keflavik in September from 246€

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

Return flights

25 Sep - 03 Oct LOT
04 Sep - 09 Sep Wizz Air
06 Sep - 14 Sep British Airways
02 Sep - 11 Sep British Airways
10 Sep - 16 Sep Wizz Air
29 Sep - 06 Oct Scandinavian Airlines
18 Sep - 23 Sep Lufthansa
11 Sep - 18 Sep Wizz Air
01 Sep - 13 Sep Wizz Air
04 Sep - 17 Sep Wizz Air
06 Sep - 13 Sep British Airways
12 Sep - 19 Sep Vueling Airlines

Also check the deals for one-way flights from Stuttgart 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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