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

Return flights

21 Sep - 25 Sep	Lufthansa	direct
07 Sep - 12 Sep	Lufthansa	direct
24 Sep - 27 Sep	Lufthansa	direct
08 Sep - 10 Sep	Lufthansa	direct
23 Sep - 23 Sep	Lufthansa	direct
19 Sep - 21 Sep	Lufthansa	direct
08 Sep - 16 Sep	Lufthansa	direct
17 Sep - 17 Sep	Lufthansa	direct
08 Sep - 15 Sep	Lufthansa	direct
10 Sep - 11 Sep	Lufthansa	direct

Also check the deals for one-way flights from Hannover to Frankfurt 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 Frankfurt in September from $238

Return flights