Cheapest return flights from Oslo to Copenhagen in September from $108

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

Return flights

25 Sep - 29 Sep Wizz Air
24 Sep - 24 Sep Wizz Air
25 Sep - 28 Sep Wizz Air
19 Sep - 23 Sep Norwegian Air Sweden AOC
22 Sep - 23 Sep Norwegian
25 Sep - 26 Sep Wizz Air
28 Sep - 29 Sep Norwegian Air Sweden AOC
22 Sep - 25 Sep Norwegian
22 Sep - 29 Sep Norwegian
29 Sep - 02 Oct Norwegian direct
30 Sep - 03 Oct Ryanair
29 Sep - 30 Sep Norwegian
26 Sep - 01 Oct Norwegian
21 Sep - 07 Oct Norwegian direct
21 Sep - 08 Oct Norwegian direct
21 Sep - 09 Oct Norwegian direct
21 Sep - 02 Oct Norwegian direct
30 Sep - 21 Oct Norwegian direct
29 Sep - 07 Oct Norwegian Air Sweden AOC direct
29 Sep - 16 Oct Norwegian Air Sweden AOC direct

Also check the deals for one-way flights from Oslo to Copenhagen in September.

Skyscanner

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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