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

Return flights

02 Sep - 25 Sep	Ryanair
02 Sep - 14 Sep	Air Serbia
23 Sep - 21 Oct	Air Serbia
18 Sep - 28 Sep	Ryanair
22 Sep - 03 Oct	Ryanair
08 Sep - 15 Sep	Ryanair
23 Sep - 09 Oct	Air Serbia
01 Sep - 16 Sep	Ryanair
27 Sep - 03 Oct	Ryanair
17 Sep - 21 Sep	Wizz Air Malta
04 Sep - 08 Sep	Ryanair
21 Sep - 09 Oct	Ryanair
01 Sep - 15 Sep	Ryanair
27 Sep - 28 Sep	Ryanair
05 Sep - 08 Sep	Ryanair
29 Sep - 05 Oct	Ryanair

Also check the deals for one-way flights from Hahn 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.

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Cheapest return flights from Hahn to Singapore in September from 543€

Return flights