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

Return flights

11 Sep - 19 Sep	Etihad Airways
11 Sep - 18 Sep	Etihad Airways
08 Sep - 15 Sep	Etihad Airways
08 Sep - 21 Sep	Etihad Airways
04 Sep - 14 Sep	Air India
30 Sep - 01 Oct	Malaysia Airlines
18 Sep - 30 Sep	Emirates
02 Sep - 10 Sep	Emirates
24 Sep - 01 Oct	Emirates
19 Sep - 03 Oct	Air India
04 Sep - 11 Sep	Etihad Airways
12 Sep - 17 Sep	Emirates
01 Sep - 03 Sep	Air India
24 Sep - 01 Oct	Singapore Airlines	direct
18 Sep - 01 Oct	Singapore Airlines	direct
30 Sep - 01 Oct	Singapore Airlines	direct
19 Sep - 03 Oct	Singapore Airlines	direct

Also check the deals for one-way flights from Singapore to Copenhagen 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 Singapore to Copenhagen in September from 578€

Return flights