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

Return flights

17 Sep - 23 Sep	Etihad Airways
20 Sep - 23 Sep	Etihad Airways
18 Sep - 24 Sep	Etihad Airways
22 Sep - 25 Sep	Gulf Air
16 Sep - 24 Sep	Etihad Airways
16 Sep - 22 Sep	Air India
22 Sep - 27 Sep	Gulf Air
15 Sep - 23 Sep	Etihad Airways
24 Sep - 08 Oct	Air India
19 Sep - 27 Sep	Air India
19 Sep - 04 Oct	Air India	direct
15 Sep - 27 Sep	Etihad Airways
18 Sep - 21 Oct	Etihad Airways
24 Sep - 08 Oct	Air India	direct
23 Sep - 08 Oct	Air India	direct
28 Sep - 26 Oct	Air India
22 Sep - 22 Oct	Air India
26 Sep - 05 Oct	Air India	direct
22 Sep - 06 Oct	Air India
30 Sep - 07 Oct	Air India	direct

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 $429

Return flights