AirHint found the following cheapest return flights from London (STN) to Aarhus (AAR) in September 2025 (see full year).

Return flights

21 Sep - 05 Oct	Ryanair	direct
28 Sep - 05 Oct	Ryanair	direct
28 Sep - 18 Oct	Ryanair	direct
21 Sep - 04 Oct	Ryanair	direct
28 Sep - 04 Oct	Ryanair	direct
28 Sep - 01 Oct	Ryanair
28 Sep - 02 Oct	Ryanair
21 Sep - 24 Sep	Ryanair
21 Sep - 22 Sep	Ryanair
20 Sep - 05 Oct	Ryanair	direct
27 Sep - 05 Oct	Ryanair	direct
22 Sep - 24 Sep	Ryanair
29 Sep - 04 Oct	Ryanair
28 Sep - 30 Sep	Ryanair	direct
21 Sep - 25 Sep	Ryanair
21 Sep - 27 Sep	Ryanair	direct
22 Sep - 29 Sep	Ryanair
21 Sep - 30 Sep	Ryanair	direct
23 Sep - 27 Sep	Ryanair
23 Sep - 30 Sep	Ryanair

Also check the deals for one-way flights from London to Aarhus 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 London to Aarhus in September from 54€

Return flights