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

Return flights

25 Sep - 01 Oct	Saudia
30 Sep - 14 Oct	Finnair
26 Sep - 06 Oct	Finnair
19 Sep - 23 Sep	Finnair
25 Sep - 30 Sep	Finnair
22 Sep - 28 Sep	Finnair
19 Sep - 29 Sep	Finnair
21 Sep - 01 Oct	Finnair
26 Sep - 03 Oct	Finnair
21 Sep - 05 Oct	Finnair
27 Sep - 05 Oct	Finnair
29 Sep - 07 Oct	Finnair
25 Sep - 02 Oct	Finnair
26 Sep - 08 Oct	Finnair
18 Sep - 30 Sep	Finnair
27 Sep - 30 Sep	Finnair
18 Sep - 28 Sep	Finnair
23 Sep - 28 Sep	Finnair
20 Sep - 25 Sep	Finnair
18 Sep - 24 Sep	Finnair

Also check the deals for one-way flights from Delhi 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 Delhi to Zurich in September from 378€

Return flights