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

Return flights

15 Sep - 22 Sep	Etihad Airways
22 Sep - 30 Sep	Etihad Airways
16 Sep - 01 Oct	Etihad Airways
25 Sep - 29 Sep	Etihad Airways
29 Sep - 04 Oct	Air India
10 Sep - 17 Sep	AJet
15 Sep - 23 Sep	Air India
26 Sep - 30 Sep	Etihad Airways
28 Sep - 23 Oct	AJet
26 Sep - 05 Oct	Etihad Airways
21 Sep - 28 Sep	Air India
17 Sep - 21 Sep	Wizz Air
29 Sep - 20 Oct	Air India
19 Sep - 04 Oct	Air India
22 Sep - 25 Sep	Air India
15 Sep - 05 Oct	Etihad Airways
16 Sep - 05 Oct	Etihad Airways
12 Sep - 19 Sep	Air India
29 Sep - 19 Oct	Air India
20 Sep - 06 Oct	Pegasus Airlines

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 534€

Return flights