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

Return flights

24 Sep - 01 Oct	IndiGo
30 Sep - 04 Oct	IndiGo
29 Sep - 11 Oct	IndiGo
30 Sep - 11 Oct	IndiGo
21 Sep - 28 Sep	IndiGo
23 Sep - 30 Sep	IndiGo
30 Sep - 13 Oct	Lufthansa
30 Sep - 14 Oct	Lufthansa
21 Sep - 25 Sep	Etihad Airways
22 Sep - 29 Sep	Etihad Airways
29 Sep - 18 Oct	SWISS
29 Sep - 06 Oct	SWISS
30 Sep - 07 Oct	SWISS
27 Sep - 02 Oct	Lufthansa
21 Sep - 23 Sep	Etihad Airways
22 Sep - 30 Sep	Etihad Airways
18 Sep - 29 Sep	Gulf Air
24 Sep - 26 Sep	Emirates
22 Sep - 29 Sep	Lufthansa	direct
27 Sep - 30 Sep	Air France

Also check the deals for one-way flights from Mumbai 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 Mumbai to Frankfurt in September from $475

Return flights