Cheapest return flights from Copenhagen to Oslo in September from $127

AirHint found the following cheapest return flights from Copenhagen (CPH) to Oslo (OSL) in September 2026 (see full year).

Return flights

22 Sep - 13 Oct Wizz Air
22 Sep - 13 Oct Norwegian direct
07 Sep - 16 Sep Norwegian Air Sweden AOC direct
07 Sep - 09 Sep Norwegian Air Sweden AOC direct
07 Sep - 22 Sep Norwegian Air Sweden AOC direct
16 Sep - 16 Sep Norwegian Air Sweden AOC direct
16 Sep - 22 Sep Norwegian Air Sweden AOC direct
16 Sep - 28 Sep Norwegian Air Sweden AOC direct
28 Sep - 28 Sep Norwegian Air Sweden AOC direct
22 Sep - 22 Sep Norwegian Air Sweden AOC direct
22 Sep - 28 Sep Norwegian Air Sweden AOC direct
16 Sep - 05 Oct Norwegian Air Sweden AOC direct
28 Sep - 05 Oct Norwegian Air Sweden AOC direct
28 Sep - 13 Oct Norwegian Air Sweden AOC direct
22 Sep - 05 Oct Norwegian Air Sweden AOC direct
21 Sep - 05 Oct Norwegian Air Sweden AOC direct
24 Sep - 28 Sep Norwegian Air Sweden AOC direct
24 Sep - 05 Oct Norwegian Air Sweden AOC direct
24 Sep - 13 Oct Norwegian Air Sweden AOC direct
24 Sep - 08 Oct Norwegian Air Sweden AOC direct

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

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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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