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

Return flights

28 Sep - 28 Sep	Lufthansa	direct
27 Sep - 29 Sep	Lufthansa	direct
27 Sep - 28 Sep	Lufthansa	direct
26 Sep - 28 Sep	Lufthansa	direct
20 Sep - 26 Sep	Lufthansa	direct
22 Sep - 23 Sep	Lufthansa	direct
20 Sep - 27 Sep	Lufthansa	direct
20 Sep - 21 Sep	Lufthansa	direct
29 Sep - 04 Oct	Lufthansa	direct
30 Sep - 30 Sep	Lufthansa	direct
26 Sep - 19 Oct	Lufthansa	direct
17 Sep - 17 Sep	Lufthansa	direct
30 Sep - 04 Oct	Eurowings

Also check the deals for one-way flights from Leipzig 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 Leipzig to Frankfurt in September from $193

Return flights