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

Return flights

15 Sep - 28 Sep	Etihad Airways
02 Sep - 15 Sep	Etihad Airways
29 Sep - 06 Oct	Etihad Airways
06 Sep - 15 Sep	Air India
10 Sep - 07 Oct	Air India
06 Sep - 13 Sep	Air India
18 Sep - 02 Oct	LOT
27 Sep - 06 Oct	LOT
21 Sep - 27 Sep	Air India
19 Sep - 21 Sep	Air India
30 Sep - 14 Oct	Gulf Air
15 Sep - 19 Sep	Etihad Airways
20 Sep - 23 Sep	Etihad Airways
17 Sep - 23 Sep	Etihad Airways
16 Sep - 23 Sep	Etihad Airways
16 Sep - 22 Oct	Etihad Airways
29 Sep - 13 Oct	Gulf Air
30 Sep - 07 Oct	Gulf Air
10 Sep - 07 Oct	Air India	direct
25 Sep - 26 Oct	Lufthansa

Also check the deals for one-way flights from Delhi 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 Delhi to Frankfurt in September from 382€

Return flights