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

Return flights

09 Sep - 23 Sep	Etihad Airways
04 Sep - 25 Sep	Etihad Airways
07 Sep - 22 Sep	Etihad Airways
08 Sep - 15 Sep	Etihad Airways
25 Sep - 15 Oct	Etihad Airways
24 Sep - 15 Oct	Etihad Airways
23 Sep - 08 Oct	Etihad Airways
03 Sep - 23 Sep	Air France
02 Sep - 23 Sep	Air France
22 Sep - 30 Sep	Air France
08 Sep - 23 Sep	Air France
23 Sep - 30 Sep	Air France
11 Sep - 23 Sep	Air France
24 Sep - 22 Oct	Air France
29 Sep - 07 Oct	Air France
29 Sep - 05 Oct	Air France
29 Sep - 15 Oct	Air France
29 Sep - 19 Oct	Air France
15 Sep - 15 Oct	Air China
25 Sep - 12 Oct	Air France

Also check the deals for one-way flights from Frankfurt to Singapore 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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Frankfurt to Singapore in September from 499€

Return flights