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

Return flights

21 Sep - 25 Sep	Etihad Airways
09 Sep - 24 Sep	Etihad Airways
09 Sep - 29 Sep	Etihad Airways
11 Sep - 17 Sep	Etihad Airways
08 Sep - 13 Oct	Etihad Airways
24 Sep - 05 Oct	Finnair
25 Sep - 08 Oct	Finnair
14 Sep - 27 Sep	Air India
27 Sep - 02 Oct	Pegasus Airlines
22 Sep - 07 Oct	Air India
18 Sep - 25 Sep	Turkish Airlines
11 Sep - 26 Sep	Turkish Airlines
20 Sep - 05 Oct	Turkish Airlines
03 Sep - 11 Sep	AJet
09 Sep - 11 Sep	AJet
26 Sep - 11 Oct	Pegasus Airlines
01 Sep - 08 Sep	Air France
08 Sep - 13 Oct	Singapore Airlines	direct
24 Sep - 05 Oct	Singapore Airlines	direct
22 Sep - 07 Oct	Singapore Airlines	direct

Also check the deals for one-way flights from Copenhagen 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 Copenhagen to Singapore in September from $620

Return flights