Cheapest return ARN–BSL flights, September

AirHint found the following cheapest return flights from Stockholm (ARN) to Basel (BSL) in September 2026 (see full year).

Return flights

28 Sep - 12 Oct Norwegian Air Sweden AOC direct
04 Sep - 11 Sep Norwegian Air Sweden AOC direct
28 Sep - 16 Oct Norwegian Air Sweden AOC direct
28 Sep - 02 Oct Norwegian Air Sweden AOC direct
14 Sep - 17 Sep Norwegian Air Sweden AOC
04 Sep - 07 Sep Norwegian Air Sweden AOC direct
11 Sep - 14 Sep Ryanair
21 Sep - 25 Sep Norwegian Air Sweden AOC direct
21 Sep - 02 Oct Norwegian Air Sweden AOC direct
14 Sep - 18 Sep Norwegian Air Sweden AOC
13 Sep - 18 Sep Wizz Air
04 Sep - 18 Sep Norwegian Air Sweden AOC direct
14 Sep - 18 Sep Norwegian Air Sweden AOC direct
14 Sep - 25 Sep Norwegian Air Sweden AOC direct
14 Sep - 02 Oct Norwegian Air Sweden AOC direct
11 Sep - 02 Oct Vueling Airlines
13 Sep - 02 Oct Norwegian

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