AirHint found the following cheapest return flights from Frankfurt (FRA) to Stockholm (ARN) in September 2025 (see full year).

Return flights

24 Sep - 01 Oct	Ryanair
04 Sep - 10 Sep	Ryanair
17 Sep - 19 Sep	Ryanair
11 Sep - 17 Sep	Ryanair
26 Sep - 07 Oct	Ryanair
26 Sep - 04 Oct	Ryanair
29 Sep - 07 Oct	Ryanair
12 Sep - 16 Sep	Ryanair
02 Sep - 09 Sep	Ryanair
01 Sep - 31 Oct	Ryanair
19 Sep - 21 Sep	Ryanair
11 Sep - 15 Sep	Ryanair
25 Sep - 28 Sep	Ryanair
08 Sep - 01 Oct	Ryanair
05 Sep - 12 Sep	Ryanair
25 Sep - 25 Sep	Ryanair
26 Sep - 05 Oct	Ryanair
26 Sep - 07 Oct	Lufthansa	direct
30 Sep - 07 Oct	Lufthansa	direct
27 Sep - 01 Oct	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt to Stockholm in September.

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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Cheapest return flights from Frankfurt to Stockholm in September from 127€

Return flights