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

Return flights

05 Sep - 08 Sep	Eurowings
19 Sep - 25 Sep	Vueling Airlines
24 Sep - 25 Sep	Vueling Airlines
05 Sep - 10 Sep	Vueling Airlines
25 Sep - 29 Sep	Eurowings
12 Sep - 14 Sep	Vueling Airlines
19 Sep - 22 Sep	Vueling Airlines
08 Sep - 10 Sep	Pegasus Airlines
06 Sep - 10 Sep	Lufthansa
17 Sep - 25 Sep	Scandinavian Airlines

Also check the deals for one-way flights from Hannover to London 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 Hannover to London in September from $320

Return flights