Cheapest return flights from Oslo to Copenhagen in September from 81€

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

Return flights

25 Sep - 28 Sep Norwegian Air Sweden AOC
10 Sep - 10 Sep Norwegian
28 Sep - 05 Oct Norwegian
25 Sep - 29 Sep Norwegian
19 Sep - 22 Sep Norwegian
18 Sep - 22 Sep Norwegian
19 Sep - 20 Sep Norwegian
08 Sep - 09 Sep Norwegian Air Sweden AOC
23 Sep - 26 Sep Norwegian
17 Sep - 18 Sep Norwegian Air Sweden AOC
15 Sep - 18 Sep Scandinavian Airlines
30 Sep - 04 Oct Norwegian Air Sweden AOC direct
30 Sep - 18 Oct Norwegian Air Sweden AOC direct
30 Sep - 11 Oct Norwegian Air Sweden AOC direct
30 Sep - 15 Oct Norwegian Air Sweden AOC direct
30 Sep - 08 Oct Norwegian Air Sweden AOC direct
30 Sep - 13 Oct Norwegian Air Sweden AOC direct
30 Sep - 16 Oct Norwegian Air Sweden AOC direct
30 Sep - 02 Oct Norwegian Air Sweden AOC direct
30 Sep - 01 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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Feel free to contact us with any feedback or request another flight research.