Cheapest return flights from Basel to Oslo in September from $130

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

Return flights

25 Sep - 12 Oct Norwegian direct
25 Sep - 02 Oct Norwegian direct
07 Sep - 21 Sep Norwegian direct
21 Sep - 12 Oct Norwegian direct
11 Sep - 21 Sep Norwegian direct
18 Sep - 21 Sep Norwegian direct
25 Sep - 09 Oct Norwegian direct
21 Sep - 02 Oct Norwegian direct
11 Sep - 02 Oct Norwegian direct
18 Sep - 02 Oct Norwegian direct
28 Sep - 12 Oct Norwegian direct
08 Sep - 21 Sep Norwegian Air Sweden AOC
05 Sep - 08 Sep Wizz Air
07 Sep - 25 Sep Norwegian direct
06 Sep - 21 Sep Vueling Airlines
14 Sep - 21 Sep Norwegian direct
07 Sep - 14 Sep Norwegian direct
21 Sep - 09 Oct Norwegian direct
18 Sep - 09 Oct Norwegian direct
17 Sep - 21 Sep Vueling Airlines

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