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

Return flights

17 Sep - 09 Oct	AZAL
04 Sep - 12 Sep	Etihad Airways
18 Sep - 24 Sep	IndiGo
15 Sep - 28 Sep	IndiGo
09 Sep - 18 Sep	IndiGo
09 Sep - 16 Sep	IndiGo
11 Sep - 18 Sep	IndiGo
10 Sep - 19 Sep	IndiGo
30 Sep - 08 Oct	IndiGo
12 Sep - 21 Sep	IndiGo
23 Sep - 30 Sep	IndiGo
23 Sep - 28 Sep	IndiGo
18 Sep - 01 Oct	IndiGo
19 Sep - 15 Oct	IndiGo
27 Sep - 12 Oct	IndiGo
10 Sep - 12 Oct	IndiGo
27 Sep - 08 Oct	Air India
14 Sep - 08 Oct	Air India
24 Sep - 05 Oct	Turkish Airlines
27 Sep - 04 Oct	IndiGo

Also check the deals for one-way flights from Mumbai to Zurich 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 Zurich in September from 400€

Return flights