Cheapest return flights from Oslo to Copenhagen in September from 136€

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

Return flights

06 Sep - 07 Sep Norwegian Air Sweden AOC direct
06 Sep - 10 Sep Norwegian Air Sweden AOC direct
07 Sep - 07 Sep Norwegian Air Sweden AOC direct
07 Sep - 10 Sep Norwegian Air Sweden AOC direct
27 Sep - 07 Oct Norwegian Air Sweden AOC direct
27 Sep - 08 Oct Norwegian Air Sweden AOC direct
27 Sep - 15 Oct Norwegian Air Sweden AOC direct
27 Sep - 28 Sep Norwegian Air Sweden AOC direct
15 Sep - 28 Sep Norwegian direct
07 Sep - 28 Sep Norwegian Air Sweden AOC direct
05 Sep - 05 Sep Norwegian Air Sweden AOC direct
05 Sep - 07 Sep Norwegian direct
05 Sep - 10 Sep Norwegian direct
23 Sep - 07 Oct Norwegian direct
23 Sep - 08 Oct Norwegian direct
25 Sep - 07 Oct Norwegian Air Sweden AOC direct
25 Sep - 08 Oct Norwegian Air Sweden AOC direct
25 Sep - 15 Oct Norwegian direct

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