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

Return flights

18 Sep - 22 Sep	SalamAir
09 Sep - 08 Oct	Air India
12 Sep - 14 Sep	Air India
21 Sep - 04 Oct	LOT
06 Sep - 14 Sep	Etihad Airways
17 Sep - 24 Sep	Gulf Air
17 Sep - 25 Sep	Gulf Air
15 Sep - 30 Sep	Gulf Air
19 Sep - 26 Sep	Etihad Airways
23 Sep - 30 Sep	Etihad Airways
15 Sep - 21 Sep	Etihad Airways
20 Sep - 20 Oct	Etihad Airways
27 Sep - 22 Oct	Etihad Airways
11 Sep - 24 Sep	Air India
20 Sep - 05 Oct	Lufthansa
20 Sep - 20 Oct	Lufthansa	direct
27 Sep - 05 Oct	Lufthansa
27 Sep - 30 Oct	Lufthansa
29 Sep - 17 Oct	Gulf Air
27 Sep - 04 Oct	Gulf Air

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 378€

Return flights